/*!
 * matter-js-examples 0.14.2 by @liabru 2020-12-05
 * http://brm.io/matter-js/
 * License MIT
 * 
 * The MIT License (MIT)
 * 
 * Copyright (c) Liam Brummitt and contributors.
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define("Example", [], factory);
	else if(typeof exports === 'object')
		exports["Example"] = factory();
	else
		root["Example"] = factory();
})(this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
/******/
/******/ 	// The require function
/******/ 	function __webpack_require__(moduleId) {
/******/
/******/ 		// Check if module is in cache
/******/ 		if(installedModules[moduleId]) {
/******/ 			return installedModules[moduleId].exports;
/******/ 		}
/******/ 		// Create a new module (and put it into the cache)
/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
/******/ 			l: false,
/******/ 			exports: {}
/******/ 		};
/******/
/******/ 		// Execute the module function
/******/ 		modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
/******/
/******/ 		// Flag the module as loaded
/******/ 		module.l = true;
/******/
/******/ 		// Return the exports of the module
/******/ 		return module.exports;
/******/ 	}
/******/
/******/
/******/ 	// expose the modules object (__webpack_modules__)
/******/ 	__webpack_require__.m = modules;
/******/
/******/ 	// expose the module cache
/******/ 	__webpack_require__.c = installedModules;
/******/
/******/ 	// define getter function for harmony exports
/******/ 	__webpack_require__.d = function(exports, name, getter) {
/******/ 		if(!__webpack_require__.o(exports, name)) {
/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ 		}
/******/ 	};
/******/
/******/ 	// define __esModule on exports
/******/ 	__webpack_require__.r = function(exports) {
/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ 		}
/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
/******/ 	};
/******/
/******/ 	// create a fake namespace object
/******/ 	// mode & 1: value is a module id, require it
/******/ 	// mode & 2: merge all properties of value into the ns
/******/ 	// mode & 4: return value when already ns object
/******/ 	// mode & 8|1: behave like require
/******/ 	__webpack_require__.t = function(value, mode) {
/******/ 		if(mode & 1) value = __webpack_require__(value);
/******/ 		if(mode & 8) return value;
/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ 		var ns = Object.create(null);
/******/ 		__webpack_require__.r(ns);
/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ 		return ns;
/******/ 	};
/******/
/******/ 	// getDefaultExport function for compatibility with non-harmony modules
/******/ 	__webpack_require__.n = function(module) {
/******/ 		var getter = module && module.__esModule ?
/******/ 			function getDefault() { return module['default']; } :
/******/ 			function getModuleExports() { return module; };
/******/ 		__webpack_require__.d(getter, 'a', getter);
/******/ 		return getter;
/******/ 	};
/******/
/******/ 	// Object.prototype.hasOwnProperty.call
/******/ 	__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
/******/
/******/ 	// __webpack_public_path__
/******/ 	__webpack_require__.p = "";
/******/
/******/
/******/ 	// Load entry module and return exports
/******/ 	return __webpack_require__(__webpack_require__.s = 0);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports, __webpack_require__) {

module.exports = {
    airFriction: __webpack_require__(1),
    avalanche: __webpack_require__(2),
    ballPool: __webpack_require__(3),
    bridge: __webpack_require__(4),
    broadphase: __webpack_require__(5),
    car: __webpack_require__(6),
    catapult: __webpack_require__(7),
    chains: __webpack_require__(8),
    circleStack: __webpack_require__(9),
    cloth: __webpack_require__(10),
    collisionFiltering: __webpack_require__(11),
    compositeManipulation: __webpack_require__(12),
    compound: __webpack_require__(13),
    compoundStack: __webpack_require__(14),
    concave: __webpack_require__(15),
    constraints: __webpack_require__(16),
    doublePendulum: __webpack_require__(17),
    events: __webpack_require__(18),
    friction: __webpack_require__(19),
    gravity: __webpack_require__(20),
    gyro: __webpack_require__(21),
    manipulation: __webpack_require__(22),
    mixed: __webpack_require__(23),
    newtonsCradle: __webpack_require__(24),
    ragdoll: __webpack_require__(25),
    pyramid: __webpack_require__(26),
    raycasting: __webpack_require__(27),
    restitution: __webpack_require__(28),
    rounded: __webpack_require__(29),
    sensors: __webpack_require__(30),
    sleeping: __webpack_require__(31),
    slingshot: __webpack_require__(32),
    softBody: __webpack_require__(33),
    sprites: __webpack_require__(34),
    stack: __webpack_require__(35),
    staticFriction: __webpack_require__(36),
    stress: __webpack_require__(37),
    stress2: __webpack_require__(38),
    svg: __webpack_require__(39),
    terrain: __webpack_require__(40),
    timescale: __webpack_require__(41),
    views: __webpack_require__(42),
    wreckingBall: __webpack_require__(43)
};

/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.airFriction = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // falling blocks
        Bodies.rectangle(200, 100, 60, 60, { frictionAir: 0.001 }),
        Bodies.rectangle(400, 100, 60, 60, { frictionAir: 0.05 }),
        Bodies.rectangle(600, 100, 60, 60, { frictionAir: 0.1 }),

        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.avalanche = function() {
    Matter.use(
        'matter-wrap'
    );
    
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.stack(20, 20, 20, 5, 0, 0, function(x, y) {
        return Bodies.circle(x, y, Common.random(10, 20), { friction: 0.00001, restitution: 0.5, density: 0.001 });
    });
    
    World.add(world, stack);
    
    World.add(world, [
        Bodies.rectangle(200, 150, 700, 20, { isStatic: true, angle: Math.PI * 0.06 }),
        Bodies.rectangle(500, 350, 700, 20, { isStatic: true, angle: -Math.PI * 0.06 }),
        Bodies.rectangle(340, 580, 700, 20, { isStatic: true, angle: Math.PI * 0.04 })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, Composite.allBodies(world));

    // wrapping using matter-wrap plugin
    for (var i = 0; i < stack.bodies.length; i += 1) {
        stack.bodies[i].plugin.wrap = {
            min: { x: render.bounds.min.x, y: render.bounds.min.y },
            max: { x: render.bounds.max.x, y: render.bounds.max.y }
        };
    }

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.ballPool = function() {
    Matter.use(
        'matter-wrap'
    );
    
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        Bodies.rectangle(400, 600, 1200, 50.5, { isStatic: true })
    ]);

    var stack = Composites.stack(100, 0, 10, 8, 10, 10, function(x, y) {
        return Bodies.circle(x, y, Common.random(15, 30), { restitution: 0.6, friction: 0.1 });
    });
    
    World.add(world, [
        stack,
        Bodies.polygon(200, 460, 3, 60),
        Bodies.polygon(400, 460, 5, 60),
        Bodies.rectangle(600, 460, 80, 80)
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // wrapping using matter-wrap plugin
    var allBodies = Composite.allBodies(world);

    for (var i = 0; i < allBodies.length; i += 1) {
        allBodies[i].plugin.wrap = {
            min: { x: render.bounds.min.x - 100, y: render.bounds.min.y },
            max: { x: render.bounds.max.x + 100, y: render.bounds.max.y }
        };
    }

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.bridge = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composites = Matter.Composites,
        Common = Matter.Common,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var group = Body.nextGroup(true);

    var bridge = Composites.stack(160, 290, 15, 1, 0, 0, function(x, y) {
        return Bodies.rectangle(x - 20, y, 53, 20, { 
            collisionFilter: { group: group },
            chamfer: 5,
            density: 0.005,
            frictionAir: 0.05,
            render: {
                fillStyle: '#575375'
            }
        });
    });
    
    Composites.chain(bridge, 0.3, 0, -0.3, 0, { 
        stiffness: 1,
        length: 0,
        render: {
            visible: false
        }
    });
    
    var stack = Composites.stack(250, 50, 6, 3, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 50, 50, Common.random(20, 40));
    });

    World.add(world, [
        bridge,
        stack,
        Bodies.rectangle(30, 490, 220, 380, { 
            isStatic: true, 
            chamfer: { radius: 20 }
        }),
        Bodies.rectangle(770, 490, 220, 380, { 
            isStatic: true, 
            chamfer: { radius: 20 }
        }),
        Constraint.create({ 
            pointA: { x: 140, y: 300 }, 
            bodyB: bridge.bodies[0], 
            pointB: { x: -25, y: 0 },
            length: 2,
            stiffness: 0.9
        }),
        Constraint.create({ 
            pointA: { x: 660, y: 300 }, 
            bodyB: bridge.bodies[bridge.bodies.length - 1], 
            pointB: { x: 25, y: 0 },
            length: 2,
            stiffness: 0.9
        })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.1,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.broadphase = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
            showBroadphase: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var stack = Composites.stack(20, 20, 12, 5, 0, 0, function(x, y) {
        switch (Math.round(Common.random(0, 1))) {

        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50));
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30));
            }
        case 1:
            return Bodies.polygon(x, y, Math.round(Common.random(1, 8)), Common.random(20, 50));

        }
    });
    
    World.add(world, stack);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.car = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
            showCollisions: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var scale = 0.9;
    World.add(world, Composites.car(150, 100, 150 * scale, 30 * scale, 30 * scale));
    
    scale = 0.8;
    World.add(world, Composites.car(350, 300, 150 * scale, 30 * scale, 30 * scale));
    
    World.add(world, [
        Bodies.rectangle(200, 150, 400, 20, { isStatic: true, angle: Math.PI * 0.06 }),
        Bodies.rectangle(500, 350, 650, 20, { isStatic: true, angle: -Math.PI * 0.06 }),
        Bodies.rectangle(300, 560, 600, 20, { isStatic: true, angle: Math.PI * 0.04 })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.catapult = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies,
        Body = Matter.Body,
        Vector = Matter.Vector;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
            showCollisions: true,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var group = Body.nextGroup(true);

    var stack = Composites.stack(250, 255, 1, 6, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 30, 30);
    });

    var catapult = Bodies.rectangle(400, 520, 320, 20, { collisionFilter: { group: group } });

    World.add(world, [
        stack,
        catapult,
        Bodies.rectangle(400, 600, 800, 50.5, { isStatic: true }),
        Bodies.rectangle(250, 555, 20, 50, { isStatic: true }),
        Bodies.rectangle(400, 535, 20, 80, { isStatic: true, collisionFilter: { group: group } }),
        Bodies.circle(560, 100, 50, { density: 0.005 }),
        Constraint.create({ 
            bodyA: catapult, 
            pointB: Vector.clone(catapult.position),
            stiffness: 1,
            length: 0
        })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.chains = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
            showCollisions: true,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var group = Body.nextGroup(true);
        
    var ropeA = Composites.stack(100, 50, 8, 1, 10, 10, function(x, y) {
        return Bodies.rectangle(x, y, 50, 20, { collisionFilter: { group: group } });
    });
    
    Composites.chain(ropeA, 0.5, 0, -0.5, 0, { stiffness: 0.8, length: 2, render: { type: 'line' } });
    Composite.add(ropeA, Constraint.create({ 
        bodyB: ropeA.bodies[0],
        pointB: { x: -25, y: 0 },
        pointA: { x: ropeA.bodies[0].position.x, y: ropeA.bodies[0].position.y },
        stiffness: 0.5
    }));
    
    group = Body.nextGroup(true);
    
    var ropeB = Composites.stack(350, 50, 10, 1, 10, 10, function(x, y) {
        return Bodies.circle(x, y, 20, { collisionFilter: { group: group } });
    });
    
    Composites.chain(ropeB, 0.5, 0, -0.5, 0, { stiffness: 0.8, length: 2, render: { type: 'line' } });
    Composite.add(ropeB, Constraint.create({ 
        bodyB: ropeB.bodies[0],
        pointB: { x: -20, y: 0 },
        pointA: { x: ropeB.bodies[0].position.x, y: ropeB.bodies[0].position.y },
        stiffness: 0.5
    }));
    
    group = Body.nextGroup(true);

    var ropeC = Composites.stack(600, 50, 13, 1, 10, 10, function(x, y) {
        return Bodies.rectangle(x - 20, y, 50, 20, { collisionFilter: { group: group }, chamfer: 5 });
    });
    
    Composites.chain(ropeC, 0.3, 0, -0.3, 0, { stiffness: 1, length: 0 });
    Composite.add(ropeC, Constraint.create({ 
        bodyB: ropeC.bodies[0],
        pointB: { x: -20, y: 0 },
        pointA: { x: ropeC.bodies[0].position.x, y: ropeC.bodies[0].position.y },
        stiffness: 0.5
    }));
    
    World.add(world, [
        ropeA,
        ropeB,
        ropeC,
        Bodies.rectangle(400, 600, 1200, 50.5, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 700, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.circleStack = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.stack(100, 185, 10, 10, 20, 0, function(x, y) {
        return Bodies.circle(x, y, 20);
    });
    
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true }),
        stack
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;
    
    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });
    
    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 10 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.cloth = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var group = Body.nextGroup(true),
        particleOptions = { friction: 0.00001, collisionFilter: { group: group }, render: { visible: false }},
        constraintOptions = { stiffness: 0.06 },
        cloth = Composites.softBody(200, 200, 20, 12, 5, 5, false, 8, particleOptions, constraintOptions);

    for (var i = 0; i < 20; i++) {
        cloth.bodies[i].isStatic = true;
    }

    World.add(world, [
        cloth,
        Bodies.circle(300, 500, 80, { isStatic: true }),
        Bodies.rectangle(500, 480, 80, 80, { isStatic: true }),
        Bodies.rectangle(400, 609, 800, 50, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.98,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.collisionFiltering = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            wireframes: false,
            background: '#111'
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // define our categories (as bit fields, there are up to 32 available)
    var defaultCategory = 0x0001,
        redCategory = 0x0002,
        greenCategory = 0x0004,
        blueCategory = 0x0008;

    var redColor = '#C44D58',
        blueColor = '#4ECDC4',
        greenColor = '#C7F464';

    // add floor
    World.add(world, Bodies.rectangle(400, 600, 900, 50, { 
        isStatic: true,
        render: {
            fillStyle: 'transparent',
            lineWidth: 1
        } 
    }));

    // create a stack with varying body categories (but these bodies can all collide with each other)
    World.add(world,
        Composites.stack(275, 100, 5, 9, 10, 10, function(x, y, column, row) {
            var category = redCategory,
                color = redColor;

            if (row > 5) {
                category = blueCategory;
                color = blueColor;
            } else if (row > 2) {
                category = greenCategory;
                color = greenColor;
            }

            return Bodies.circle(x, y, 20, {
                collisionFilter: {
                    category: category
                },
                render: {
                    strokeStyle: color,
                    fillStyle: 'transparent',
                    lineWidth: 1
                }
            });
        })
    );

    // this body will only collide with the walls and the green bodies
    World.add(world,
        Bodies.circle(310, 40, 30, {
            collisionFilter: {
                mask: defaultCategory | greenCategory
            },
            render: {
                fillStyle: greenColor
            }
        })
    );

    // this body will only collide with the walls and the red bodies
    World.add(world,
        Bodies.circle(400, 40, 30, {
            collisionFilter: {
                mask: defaultCategory | redCategory
            },
            render: {
                fillStyle: redColor
            }
        })
    );

    // this body will only collide with the walls and the blue bodies
    World.add(world,
        Bodies.circle(480, 40, 30, {
            collisionFilter: {
                mask: defaultCategory | blueCategory
            },
            render: {
                fillStyle: blueColor
            }
        })
    );

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // red category objects should not be draggable with the mouse
    mouseConstraint.collisionFilter.mask = defaultCategory | blueCategory | greenCategory;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.compositeManipulation = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Events = Matter.Events,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var stack = Composites.stack(200, 200, 4, 4, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 40, 40);
    });

    World.add(world, stack);

    world.gravity.y = 0;

    Events.on(engine, 'afterUpdate', function(event) {
        var time = engine.timing.timestamp;

        Composite.translate(stack, {
            x: Math.sin(time * 0.001) * 2,
            y: 0
        });

        Composite.rotate(stack, Math.sin(time * 0.001) * 0.01, {
            x: 300,
            y: 300
        });

        var scale = 1 + (Math.sin(time * 0.001) * 0.01);

        Composite.scale(stack, scale, scale, {
            x: 300,
            y: 300
        });
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;
    
    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.compound = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAxes: true,
            showConvexHulls: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var size = 200,
        x = 200,
        y = 200,
        partA = Bodies.rectangle(x, y, size, size / 5),
        partB = Bodies.rectangle(x, y, size / 5, size, { render: partA.render });

    var compoundBodyA = Body.create({
        parts: [partA, partB]
    });

    size = 150;
    x = 400;
    y = 300;

    var partC = Bodies.circle(x, y, 30),
        partD = Bodies.circle(x + size, y, 30),
        partE = Bodies.circle(x + size, y + size, 30),
        partF = Bodies.circle(x, y + size, 30);

    var compoundBodyB = Body.create({
        parts: [partC, partD, partE, partF]
    });

    var constraint = Constraint.create({
        pointA: { x: 400, y: 100 },
        bodyB: compoundBodyB,
        pointB: { x: 0, y: 0 }
    });

    World.add(world, [
        compoundBodyA, 
        compoundBodyB, 
        constraint,
        Bodies.rectangle(400, 600, 800, 50.5, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.compoundStack = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var size = 50;

    var stack = Composites.stack(100, 280, 12, 6, 0, 0, function(x, y) {
        var partA = Bodies.rectangle(x, y, size, size / 5),
            partB = Bodies.rectangle(x, y, size / 5, size, { render: partA.render });

        return Body.create({
            parts: [partA, partB]
        });
    });

    World.add(world, [
        stack,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(400, 609, 800, 50, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.concave = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Vertices = Matter.Vertices,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var arrow = Vertices.fromPath('40 0 40 20 100 20 100 80 40 80 40 100 0 50'),
        chevron = Vertices.fromPath('100 0 75 50 100 100 25 100 0 50 25 0'),
        star = Vertices.fromPath('50 0 63 38 100 38 69 59 82 100 50 75 18 100 31 59 0 38 37 38'),
        horseShoe = Vertices.fromPath('35 7 19 17 14 38 14 58 25 79 45 85 65 84 65 66 46 67 34 59 30 44 33 29 45 23 66 23 66 7 53 7');

    var stack = Composites.stack(50, 50, 6, 4, 10, 10, function(x, y) {
        var color = Common.choose(['#556270', '#4ECDC4', '#C7F464', '#FF6B6B', '#C44D58']);
        return Bodies.fromVertices(x, y, Common.choose([arrow, chevron, star, horseShoe]), {
            render: {
                fillStyle: color,
                strokeStyle: color,
                lineWidth: 1
            }
        }, true);
    });

    World.add(world, stack);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.constraints = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add stiff global constraint
    var body = Bodies.polygon(150, 200, 5, 30);

    var constraint = Constraint.create({
        pointA: { x: 150, y: 100 },
        bodyB: body,
        pointB: { x: -10, y: -10 }
    });

    World.add(world, [body, constraint]);

    // add soft global constraint
    var body = Bodies.polygon(280, 100, 3, 30);

    var constraint = Constraint.create({
        pointA: { x: 280, y: 120 },
        bodyB: body,
        pointB: { x: -10, y: -7 },
        stiffness: 0.001
    });

    World.add(world, [body, constraint]);

    // add damped soft global constraint
    var body = Bodies.polygon(400, 100, 4, 30);

    var constraint = Constraint.create({
        pointA: { x: 400, y: 120 },
        bodyB: body,
        pointB: { x: -10, y: -10 },
        stiffness: 0.001,
        damping: 0.05
    });

    World.add(world, [body, constraint]);

    // add revolute constraint
    var body = Bodies.rectangle(600, 200, 200, 20);
    var ball = Bodies.circle(550, 150, 20);

    var constraint = Constraint.create({
        pointA: { x: 600, y: 200 },
        bodyB: body,
        length: 0
    });

    World.add(world, [body, ball, constraint]);

    // add revolute multi-body constraint
    var body = Bodies.rectangle(500, 400, 100, 20, { collisionFilter: { group: -1 } });
    var ball = Bodies.circle(600, 400, 20, { collisionFilter: { group: -1 } });

    var constraint = Constraint.create({
        bodyA: body,
        bodyB: ball
    });

    World.add(world, [body, ball, constraint]);

    // add stiff multi-body constraint
    var bodyA = Bodies.polygon(100, 400, 6, 20);
    var bodyB = Bodies.polygon(200, 400, 1, 50);

    var constraint = Constraint.create({
        bodyA: bodyA,
        pointA: { x: -10, y: -10 },
        bodyB: bodyB,
        pointB: { x: -10, y: -10 }
    });

    World.add(world, [bodyA, bodyB, constraint]);

    // add soft global constraint
    var bodyA = Bodies.polygon(300, 400, 4, 20);
    var bodyB = Bodies.polygon(400, 400, 3, 30);

    var constraint = Constraint.create({
        bodyA: bodyA,
        pointA: { x: -10, y: -10 },
        bodyB: bodyB,
        pointB: { x: -10, y: -7 },
        stiffness: 0.001
    });

    World.add(world, [bodyA, bodyB, constraint]);

    // add damped soft global constraint
    var bodyA = Bodies.polygon(500, 400, 6, 30);
    var bodyB = Bodies.polygon(600, 400, 7, 60);

    var constraint = Constraint.create({
        bodyA: bodyA,
        pointA: { x: -10, y: -10 },
        bodyB: bodyB,
        pointB: { x: -10, y: -10 },
        stiffness: 0.001,
        damping: 0.1
    });

    World.add(world, [bodyA, bodyB, constraint]);

    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                // allow bodies on mouse to rotate
                angularStiffness: 0,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.doublePendulum = function() {
    var Engine = Matter.Engine,
        Events = Matter.Events,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies,
        Vector = Matter.Vector;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            wireframes: false,
            background: '#0f0f13'
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var group = Body.nextGroup(true),
        length = 200,
        width = 25;
        
    var pendulum = Composites.stack(350, 160, 2, 1, -20, 0, function(x, y) {
        return Bodies.rectangle(x, y, length, width, { 
            collisionFilter: { group: group },
            frictionAir: 0,
            chamfer: 5,
            render: {
                fillStyle: 'transparent',
                lineWidth: 1
            }
        });
    });

    pendulum.bodies[0].render.strokeStyle = '#4a485b';
    pendulum.bodies[1].render.strokeStyle = '#4a485b';

    world.gravity.scale = 0.002;
    
    Composites.chain(pendulum, 0.45, 0, -0.45, 0, { 
        stiffness: 0.9, 
        length: 0,
        angularStiffness: 0.7,
        render: {
            strokeStyle: '#4a485b'
        }
    });
    
    Composite.add(pendulum, Constraint.create({ 
        bodyB: pendulum.bodies[0],
        pointB: { x: -length * 0.42, y: 0 },
        pointA: { x: pendulum.bodies[0].position.x - length * 0.42, y: pendulum.bodies[0].position.y },
        stiffness: 0.9,
        length: 0,
        render: {
            strokeStyle: '#4a485b'
        }
    }));

    var lowerArm = pendulum.bodies[1];

    Body.rotate(lowerArm, -Math.PI * 0.3, {
        x: lowerArm.position.x - 100,
        y: lowerArm.position.y
    });
    
    World.add(world, pendulum);

    var trail = [];

    Events.on(render, 'afterRender', function() {
        trail.unshift({
            position: Vector.clone(lowerArm.position),
            speed: lowerArm.speed
        });

        Render.startViewTransform(render);
        render.context.globalAlpha = 0.7;

        for (var i = 0; i < trail.length; i += 1) {
            var point = trail[i].position,
                speed = trail[i].speed;
            
            var hue = 250 + Math.round((1 - Math.min(1, speed / 10)) * 170);
            render.context.fillStyle = 'hsl(' + hue + ', 100%, 55%)';
            render.context.fillRect(point.x, point.y, 2, 2);
        }

        render.context.globalAlpha = 1;
        Render.endViewTransform(render);

        if (trail.length > 2000) {
            trail.pop();
        }
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 700, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 18 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.events = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Events = Matter.Events,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            wireframes: false
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // an example of using composite events on the world
    Events.on(world, 'afterAdd', function(event) {
        console.log('added to world:', event.object);
    });

    // an example of using beforeUpdate event on an engine
    Events.on(engine, 'beforeUpdate', function(event) {
        var engine = event.source;

        // apply random forces every 5 secs
        if (event.timestamp % 5000 < 50)
            shakeScene(engine);
    });

    // an example of using collisionStart event on an engine
    Events.on(engine, 'collisionStart', function(event) {
        var pairs = event.pairs;

        // change object colours to show those starting a collision
        for (var i = 0; i < pairs.length; i++) {
            var pair = pairs[i];
            pair.bodyA.render.fillStyle = '#333';
            pair.bodyB.render.fillStyle = '#333';
        }
    });

    // an example of using collisionActive event on an engine
    Events.on(engine, 'collisionActive', function(event) {
        var pairs = event.pairs;

        // change object colours to show those in an active collision (e.g. resting contact)
        for (var i = 0; i < pairs.length; i++) {
            var pair = pairs[i];
            pair.bodyA.render.fillStyle = '#333';
            pair.bodyB.render.fillStyle = '#333';
        }
    });

    // an example of using collisionEnd event on an engine
    Events.on(engine, 'collisionEnd', function(event) {
        var pairs = event.pairs;

        // change object colours to show those ending a collision
        for (var i = 0; i < pairs.length; i++) {
            var pair = pairs[i];

            pair.bodyA.render.fillStyle = '#222';
            pair.bodyB.render.fillStyle = '#222';
        }
    });

    var bodyStyle = { fillStyle: '#222' };

    // scene code
    World.add(world, [
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true, render: bodyStyle }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true, render: bodyStyle }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true, render: bodyStyle }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true, render: bodyStyle })
    ]);

    var stack = Composites.stack(70, 100, 9, 4, 50, 50, function(x, y) {
        return Bodies.circle(x, y, 15, { restitution: 1, render: bodyStyle });
    });
    
    World.add(world, stack);

    var shakeScene = function(engine) {
        var bodies = Composite.allBodies(engine.world);

        for (var i = 0; i < bodies.length; i++) {
            var body = bodies[i];

            if (!body.isStatic && body.position.y >= 500) {
                var forceMagnitude = 0.02 * body.mass;

                Body.applyForce(body, body.position, { 
                    x: (forceMagnitude + Common.random() * forceMagnitude) * Common.choose([1, -1]), 
                    y: -forceMagnitude + Common.random() * -forceMagnitude
                });
            }
        }
    };

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // an example of using mouse events on a mouse
    Events.on(mouseConstraint, 'mousedown', function(event) {
        var mousePosition = event.mouse.position;
        console.log('mousedown at ' + mousePosition.x + ' ' + mousePosition.y);
        shakeScene(engine);
    });

    // an example of using mouse events on a mouse
    Events.on(mouseConstraint, 'mouseup', function(event) {
        var mousePosition = event.mouse.position;
        console.log('mouseup at ' + mousePosition.x + ' ' + mousePosition.y);
    });

    // an example of using mouse events on a mouse
    Events.on(mouseConstraint, 'startdrag', function(event) {
        console.log('startdrag', event);
    });

    // an example of using mouse events on a mouse
    Events.on(mouseConstraint, 'enddrag', function(event) {
        console.log('enddrag', event);
    });

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 19 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.friction = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    World.add(world, [
        Bodies.rectangle(300, 180, 700, 20, { isStatic: true, angle: Math.PI * 0.06 }),
        Bodies.rectangle(300, 70, 40, 40, { friction: 0.001 })
    ]);

    World.add(world, [
        Bodies.rectangle(300, 350, 700, 20, { isStatic: true, angle: Math.PI * 0.06 }),
        Bodies.rectangle(300, 250, 40, 40, { friction: 0.0005 })
    ]);

    World.add(world, [
        Bodies.rectangle(300, 520, 700, 20, { isStatic: true, angle: Math.PI * 0.06 }),
        Bodies.rectangle(300, 430, 40, 40, { friction: 0 })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 20 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.gravity = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showVelocity: true,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50.5, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    engine.world.gravity.y = -1;
    
    var stack = Composites.stack(50, 120, 11, 5, 0, 0, function(x, y) {
        switch (Math.round(Common.random(0, 1))) {

        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50));
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30));
            }
        case 1:
            return Bodies.polygon(x, y, Math.round(Common.random(1, 8)), Common.random(20, 50));

        }
    });
    
    World.add(world, stack);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 21 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.gyro = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.stack(20, 20, 10, 5, 0, 0, function(x, y) {
        var sides = Math.round(Common.random(1, 8));

        // triangles can be a little unstable, so avoid until fixed
        sides = (sides === 3) ? 4 : sides;

        // round the edges of some bodies
        var chamfer = null;
        if (sides > 2 && Common.random() > 0.7) {
            chamfer = {
                radius: 10
            };
        }

        switch (Math.round(Common.random(0, 1))) {
        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(25, 50), Common.random(25, 50), { chamfer: chamfer });
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(25, 30), { chamfer: chamfer });
            }
        case 1:
            return Bodies.polygon(x, y, sides, Common.random(25, 50), { chamfer: chamfer });
        }
    });

    World.add(world, [
        stack,
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add gyro control
    if (typeof window !== 'undefined') {
        var updateGravity = function(event) {
            var orientation = typeof window.orientation !== 'undefined' ? window.orientation : 0,
                gravity = engine.world.gravity;

            if (orientation === 0) {
                gravity.x = Common.clamp(event.gamma, -90, 90) / 90;
                gravity.y = Common.clamp(event.beta, -90, 90) / 90;
            } else if (orientation === 180) {
                gravity.x = Common.clamp(event.gamma, -90, 90) / 90;
                gravity.y = Common.clamp(-event.beta, -90, 90) / 90;
            } else if (orientation === 90) {
                gravity.x = Common.clamp(event.beta, -90, 90) / 90;
                gravity.y = Common.clamp(-event.gamma, -90, 90) / 90;
            } else if (orientation === -90) {
                gravity.x = Common.clamp(-event.beta, -90, 90) / 90;
                gravity.y = Common.clamp(event.gamma, -90, 90) / 90;
            }
        };

        window.addEventListener('deviceorientation', updateGravity);
    }

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
            if (typeof window !== 'undefined') {
                window.removeEventListener('deviceorientation', updateGravity);
            }
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 22 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.manipulation = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Events = Matter.Events,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAxes: true,
            showCollisions: true,
            showConvexHulls: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var bodyA = Bodies.rectangle(100, 200, 50, 50, { isStatic: true }),
        bodyB = Bodies.rectangle(200, 200, 50, 50),
        bodyC = Bodies.rectangle(300, 200, 50, 50),
        bodyD = Bodies.rectangle(400, 200, 50, 50),
        bodyE = Bodies.rectangle(550, 200, 50, 50),
        bodyF = Bodies.rectangle(700, 200, 50, 50),
        bodyG = Bodies.circle(400, 100, 25),
        partA = Bodies.rectangle(600, 200, 120, 50),
        partB = Bodies.rectangle(660, 200, 50, 190),
        compound = Body.create({
            parts: [partA, partB],
            isStatic: true
        });

    World.add(world, [bodyA, bodyB, bodyC, bodyD, bodyE, bodyF, bodyG, compound]);

    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var counter = 0,
        scaleFactor = 1.01;

    Events.on(engine, 'beforeUpdate', function(event) {
        counter += 1;

        if (counter === 40)
            Body.setStatic(bodyG, true);

        if (scaleFactor > 1) {
            Body.scale(bodyF, scaleFactor, scaleFactor);
            Body.scale(compound, 0.995, 0.995);

            // modify bodyE vertices
            bodyE.vertices[0].x -= 0.2;
            bodyE.vertices[0].y -= 0.2;
            bodyE.vertices[1].x += 0.2;
            bodyE.vertices[1].y -= 0.2;
            Body.setVertices(bodyE, bodyE.vertices);
        }

        // make bodyA move up and down
        // body is static so must manually update velocity for friction to work
        var py = 300 + 100 * Math.sin(engine.timing.timestamp * 0.002);
        Body.setVelocity(bodyA, { x: 0, y: py - bodyA.position.y });
        Body.setPosition(bodyA, { x: 100, y: py });

        // make compound body move up and down and rotate constantly
        Body.setVelocity(compound, { x: 0, y: py - compound.position.y });
        Body.setAngularVelocity(compound, 0.02);
        Body.setPosition(compound, { x: 600, y: py });
        Body.rotate(compound, 0.02);

        // every 1.5 sec
        if (counter >= 60 * 1.5) {
            Body.setVelocity(bodyB, { x: 0, y: -10 });
            Body.setAngle(bodyC, -Math.PI * 0.26);
            Body.setAngularVelocity(bodyD, 0.2);

            // reset counter
            counter = 0;
            scaleFactor = 1;
        }
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 23 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.mixed = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.stack(20, 20, 10, 5, 0, 0, function(x, y) {
        var sides = Math.round(Common.random(1, 8));

        // triangles can be a little unstable, so avoid until fixed
        sides = (sides === 3) ? 4 : sides;

        // round the edges of some bodies
        var chamfer = null;
        if (sides > 2 && Common.random() > 0.7) {
            chamfer = {
                radius: 10
            };
        }

        switch (Math.round(Common.random(0, 1))) {
        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(25, 50), Common.random(25, 50), { chamfer: chamfer });
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(25, 30), { chamfer: chamfer });
            }
        case 1:
            return Bodies.polygon(x, y, sides, Common.random(25, 50), { chamfer: chamfer });
        }
    });

    World.add(world, stack);

    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 24 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.newtonsCradle = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var cradle = Composites.newtonsCradle(280, 100, 5, 30, 200);
    World.add(world, cradle);
    Body.translate(cradle.bodies[0], { x: -180, y: -100 });
    
    cradle = Composites.newtonsCradle(280, 380, 7, 20, 140);
    World.add(world, cradle);
    Body.translate(cradle.bodies[0], { x: -140, y: -100 });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 50 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 25 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.ragdoll = function() {
    var Engine = Matter.Engine,
        Events = Matter.Events,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Common = Matter.Common,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies,
        Vector = Matter.Vector;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
            background: '#0f0f13'
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // create stairs
    var stairCount = (render.bounds.max.y - render.bounds.min.y) / 50;

    var stack = Composites.stack(0, 0, stairCount + 2, 1, 0, 0, function(x, y, column) {
        return Bodies.rectangle(x - 50, y + column * 50, 100, 1000, {
            isStatic: true,
            render: {
                fillStyle: '#222'
            }
        });
    });

    // create obstacles
    var obstacles = Composites.stack(300, 0, 15, 3, 10, 10, function(x, y, column) {
        var sides = Math.round(Common.random(1, 8)),
            options = {
                render: {
                    fillStyle: Common.choose(['#006BA6', '#0496FF', '#D81159', '#8F2D56'])
                }
            };

        switch (Math.round(Common.random(0, 1))) {
        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(25, 50), Common.random(25, 50), options);
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(25, 30), options);
            }
        case 1:
            return Bodies.polygon(x, y, sides, Common.random(25, 50), options);
        }
    });

    var ragdolls = Composite.create();

    for (var i = 0; i < 1; i += 1) {
        var ragdoll = Example.ragdoll.ragdoll(200, -1000 * i, 1.3);

        Composite.add(ragdolls, ragdoll);
    }

    World.add(world, [stack, obstacles, ragdolls]);

    var timeScaleTarget = 1,
        counter = 0;

    Events.on(engine, 'afterUpdate', function(event) {
        // tween the timescale for slow-mo
        if (mouse.button === -1) {
            engine.timing.timeScale += (timeScaleTarget - engine.timing.timeScale) * 0.05;
        } else {
            engine.timing.timeScale = 1;
        }

        counter += 1;

        // every 1.5 sec
        if (counter >= 60 * 1.5) {

            // flip the timescale
            if (timeScaleTarget < 1) {
                timeScaleTarget = 1;
            } else {
                timeScaleTarget = 0.05;
            }

            // reset counter
            counter = 0;
        }

        for (var i = 0; i < stack.bodies.length; i += 1) {
            var body = stack.bodies[i];

            // animate stairs
            Body.translate(body, {
                x: -0.5 * engine.timing.timeScale,
                y: -0.5 * engine.timing.timeScale
            });

            // loop stairs when they go off screen
            if (body.position.x < -50) {
                Body.setPosition(body, {
                    x: 50 * (stack.bodies.length - 1),
                    y: 25 + render.bounds.max.y + (body.bounds.max.y - body.bounds.min.y) * 0.5
                });
                
                Body.setVelocity(body, {
                    x: 0,
                    y: 0
                });
            }
        }

        for (i = 0; i < ragdolls.composites.length; i += 1) {
            var ragdoll = ragdolls.composites[i],
                bounds = Composite.bounds(ragdoll);

            // move ragdolls back to the top of the screen
            if (bounds.min.y > render.bounds.max.y + 100) {
                Composite.translate(ragdoll, {
                    x: -bounds.min.x * 0.9,
                    y: -render.bounds.max.y - 400
                });
            }
        }

        for (i = 0; i < obstacles.bodies.length; i += 1) {
            var body = obstacles.bodies[i],
                bounds = body.bounds;

            // move obstacles back to the top of the screen
            if (bounds.min.y > render.bounds.max.y + 100) {
                Body.translate(body, {
                    x: -bounds.min.x,
                    y: -render.bounds.max.y - 300
                });
            }
        }
    });

    // add mouse control and make the mouse revolute
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.6,
                length: 0,
                angularStiffness: 0,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

Example.ragdoll.ragdoll = function(x, y, scale, options) {
    scale = typeof scale === 'undefined' ? 1 : scale;

    var Body = Matter.Body,
        Bodies = Matter.Bodies,
        Constraint = Matter.Constraint,
        Composite = Matter.Composite,
        Common = Matter.Common;

    var headOptions = Common.extend({
        label: 'head',
        collisionFilter: {
            group: Body.nextGroup(true)
        },
        chamfer: {
            radius: [15 * scale, 15 * scale, 15 * scale, 15 * scale]
        },
        render: {
            fillStyle: '#FFBC42'
        }
    }, options);

    var chestOptions = Common.extend({
        label: 'chest',
        collisionFilter: {
            group: Body.nextGroup(true)
        },
        chamfer: {
            radius: [20 * scale, 20 * scale, 26 * scale, 26 * scale]
        },
        render: {
            fillStyle: '#E0A423'
        }
    }, options);

    var leftArmOptions = Common.extend({
        label: 'left-arm',
        collisionFilter: {
            group: Body.nextGroup(true)
        },
        chamfer: {
            radius: 10 * scale
        },
        render: {
            fillStyle: '#FFBC42'
        }
    }, options);

    var leftLowerArmOptions = Common.extend({}, leftArmOptions, {
        render: {
            fillStyle: '#E59B12'
        }
    });

    var rightArmOptions = Common.extend({
        label: 'right-arm',
        collisionFilter: {
            group: Body.nextGroup(true)
        },
        chamfer: {
            radius: 10 * scale
        },
        render: {
            fillStyle: '#FFBC42'
        }
    }, options);

    var rightLowerArmOptions = Common.extend({}, rightArmOptions, {
        render: {
            fillStyle: '#E59B12'
        }
    });

    var leftLegOptions = Common.extend({
        label: 'left-leg',
        collisionFilter: {
            group: Body.nextGroup(true)
        },
        chamfer: {
            radius: 10 * scale
        },
        render: {
            fillStyle: '#FFBC42'
        }
    }, options);

    var leftLowerLegOptions = Common.extend({}, leftLegOptions, {
        render: {
            fillStyle: '#E59B12'
        }
    });

    var rightLegOptions = Common.extend({
        label: 'right-leg',
        collisionFilter: {
            group: Body.nextGroup(true)
        },
        chamfer: {
            radius: 10 * scale
        },
        render: {
            fillStyle: '#FFBC42'
        }
    }, options);

    var rightLowerLegOptions = Common.extend({}, rightLegOptions, {
        render: {
            fillStyle: '#E59B12'
        }
    });

    var head = Bodies.rectangle(x, y - 60 * scale, 34 * scale, 40 * scale, headOptions);
    var chest = Bodies.rectangle(x, y, 55 * scale, 80 * scale, chestOptions);
    var rightUpperArm = Bodies.rectangle(x + 39 * scale, y - 15 * scale, 20 * scale, 40 * scale, rightArmOptions);
    var rightLowerArm = Bodies.rectangle(x + 39 * scale, y + 25 * scale, 20 * scale, 60 * scale, rightLowerArmOptions);
    var leftUpperArm = Bodies.rectangle(x - 39 * scale, y - 15 * scale, 20 * scale, 40 * scale, leftArmOptions);
    var leftLowerArm = Bodies.rectangle(x - 39 * scale, y + 25 * scale, 20 * scale, 60 * scale, leftLowerArmOptions);
    var leftUpperLeg = Bodies.rectangle(x - 20 * scale, y + 57 * scale, 20 * scale, 40 * scale, leftLegOptions);
    var leftLowerLeg = Bodies.rectangle(x - 20 * scale, y + 97 * scale, 20 * scale, 60 * scale, leftLowerLegOptions);
    var rightUpperLeg = Bodies.rectangle(x + 20 * scale, y + 57 * scale, 20 * scale, 40 * scale, rightLegOptions);
    var rightLowerLeg = Bodies.rectangle(x + 20 * scale, y + 97 * scale, 20 * scale, 60 * scale, rightLowerLegOptions);

    var chestToRightUpperArm = Constraint.create({
        bodyA: chest,
        pointA: {
            x: 24 * scale,
            y: -23 * scale
        },
        pointB: {
            x: 0,
            y: -8 * scale
        },
        bodyB: rightUpperArm,
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var chestToLeftUpperArm = Constraint.create({
        bodyA: chest,
        pointA: {
            x: -24 * scale,
            y: -23 * scale
        },
        pointB: {
            x: 0,
            y: -8 * scale
        },
        bodyB: leftUpperArm,
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var chestToLeftUpperLeg = Constraint.create({
        bodyA: chest,
        pointA: {
            x: -10 * scale,
            y: 30 * scale
        },
        pointB: {
            x: 0,
            y: -10 * scale
        },
        bodyB: leftUpperLeg,
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var chestToRightUpperLeg = Constraint.create({
        bodyA: chest,
        pointA: {
            x: 10 * scale,
            y: 30 * scale
        },
        pointB: {
            x: 0,
            y: -10 * scale
        },
        bodyB: rightUpperLeg,
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var upperToLowerRightArm = Constraint.create({
        bodyA: rightUpperArm,
        bodyB: rightLowerArm,
        pointA: {
            x: 0,
            y: 15 * scale
        },
        pointB: {
            x: 0,
            y: -25 * scale
        },
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var upperToLowerLeftArm = Constraint.create({
        bodyA: leftUpperArm,
        bodyB: leftLowerArm,
        pointA: {
            x: 0,
            y: 15 * scale
        },
        pointB: {
            x: 0,
            y: -25 * scale
        },
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var upperToLowerLeftLeg = Constraint.create({
        bodyA: leftUpperLeg,
        bodyB: leftLowerLeg,
        pointA: {
            x: 0,
            y: 20 * scale
        },
        pointB: {
            x: 0,
            y: -20 * scale
        },
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var upperToLowerRightLeg = Constraint.create({
        bodyA: rightUpperLeg,
        bodyB: rightLowerLeg,
        pointA: {
            x: 0,
            y: 20 * scale
        },
        pointB: {
            x: 0,
            y: -20 * scale
        },
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var headContraint = Constraint.create({
        bodyA: head,
        pointA: {
            x: 0,
            y: 25 * scale
        },
        pointB: {
            x: 0,
            y: -35 * scale
        },
        bodyB: chest,
        stiffness: 0.6,
        render: {
            visible: false
        }
    });

    var legToLeg = Constraint.create({
        bodyA: leftLowerLeg,
        bodyB: rightLowerLeg,
        stiffness: 0.01,
        render: {
            visible: false
        }
    });

    var person = Composite.create({
        bodies: [
            chest, head, leftLowerArm, leftUpperArm, 
            rightLowerArm, rightUpperArm, leftLowerLeg, 
            rightLowerLeg, leftUpperLeg, rightUpperLeg
        ],
        constraints: [
            upperToLowerLeftArm, upperToLowerRightArm, chestToLeftUpperArm, 
            chestToRightUpperArm, headContraint, upperToLowerLeftLeg, 
            upperToLowerRightLeg, chestToLeftUpperLeg, chestToRightUpperLeg,
            legToLeg
        ]
    });

    return person;
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 26 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.pyramid = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.pyramid(100, 258, 15, 10, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 40, 40);
    });
    
    World.add(world, [
        stack,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(400, 605, 800, 50, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 27 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.raycasting = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Common = Matter.Common,
        Query = Matter.Query,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        Events = Matter.Events,
        World = Matter.World,
        Vertices = Matter.Vertices,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.stack(20, 20, 12, 4, 0, 0, function(x, y) {
        switch (Math.round(Common.random(0, 1))) {

        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50));
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30));
            }
        case 1:
            var sides = Math.round(Common.random(1, 8));
            sides = (sides === 3) ? 4 : sides;
            return Bodies.polygon(x, y, sides, Common.random(20, 50));
        }
    });

    var star = Vertices.fromPath('50 0 63 38 100 38 69 59 82 100 50 75 18 100 31 59 0 38 37 38'),
        concave = Bodies.fromVertices(200, 200, star);
    
    World.add(world, [
        stack, 
        concave,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    Events.on(render, 'afterRender', function() {
        var mouse = mouseConstraint.mouse,
            context = render.context,
            bodies = Composite.allBodies(engine.world),
            startPoint = { x: 400, y: 100 },
            endPoint = mouse.position;

        var collisions = Query.ray(bodies, startPoint, endPoint);

        Render.startViewTransform(render);

        context.beginPath();
        context.moveTo(startPoint.x, startPoint.y);
        context.lineTo(endPoint.x, endPoint.y);
        if (collisions.length > 0) {
            context.strokeStyle = '#fff';
        } else {
            context.strokeStyle = '#555';
        }
        context.lineWidth = 0.5;
        context.stroke();

        for (var i = 0; i < collisions.length; i++) {
            var collision = collisions[i];
            context.rect(collision.bodyA.position.x - 4.5, collision.bodyA.position.y - 4.5, 8, 8);
        }

        context.fillStyle = 'rgba(255,165,0,0.7)';
        context.fill();

        Render.endViewTransform(render);
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 28 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.restitution = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true,
            showCollisions: true,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var rest = 0.9, 
        space = 600 / 5;
    
    World.add(world, [
        Bodies.rectangle(100 + space * 0, 150, 50, 50, { restitution: rest }),
        Bodies.rectangle(100 + space * 1, 150, 50, 50, { restitution: rest, angle: -Math.PI * 0.15 }),
        Bodies.rectangle(100 + space * 2, 150, 50, 50, { restitution: rest, angle: -Math.PI * 0.25 }),
        Bodies.circle(100 + space * 3, 150, 25, { restitution: rest }),
        Bodies.rectangle(100 + space * 5, 150, 180, 20, { restitution: rest, angle: -Math.PI * 0.5 }),
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 29 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.rounded = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAxes: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    World.add(world, [
        Bodies.rectangle(200, 200, 100, 100, { 
            chamfer: { radius: 20 }
        }),

        Bodies.rectangle(300, 200, 100, 100, { 
            chamfer: { radius: [90, 0, 0, 0] }
        }),

        Bodies.rectangle(400, 200, 200, 200, { 
            chamfer: { radius: [150, 20, 40, 20] }
        }),

        Bodies.rectangle(200, 200, 200, 200, { 
            chamfer: { radius: [150, 20, 150, 20] }
        }),

        Bodies.rectangle(300, 200, 200, 50, { 
            chamfer: { radius: [25, 25, 0, 0] }
        }),

        Bodies.polygon(200, 100, 8, 80, { 
            chamfer: { radius: 30 }
        }),

        Bodies.polygon(300, 100, 5, 80, { 
            chamfer: { radius: [10, 40, 20, 40, 10] }
        }),

        Bodies.polygon(400, 200, 3, 50, { 
            chamfer: { radius: [20, 0, 20] }
        })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 30 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.sensors = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Events = Matter.Events,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            wireframes: false,
            background: '#111'
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var redColor = '#C44D58',
        greenColor = '#C7F464';

    var collider = Bodies.rectangle(400, 300, 500, 50, {
        isSensor: true,
        isStatic: true,
        render: {
            strokeStyle: redColor,
            fillStyle: 'transparent',
            lineWidth: 1
        }
    });

    World.add(world, [
        collider,
        Bodies.rectangle(400, 620, 800, 50, { 
            isStatic: true,
            render: {
                fillStyle: 'transparent',
                lineWidth: 1
            }
        })
    ]);

    World.add(world,
        Bodies.circle(400, 40, 30, {
            render: {
                strokeStyle: greenColor,
                fillStyle: 'transparent',
                lineWidth: 1
            }
        })
    );

    Events.on(engine, 'collisionStart', function(event) {
        var pairs = event.pairs;
        
        for (var i = 0, j = pairs.length; i != j; ++i) {
            var pair = pairs[i];

            if (pair.bodyA === collider) {
                pair.bodyB.render.strokeStyle = redColor;
            } else if (pair.bodyB === collider) {
                pair.bodyA.render.strokeStyle = redColor;
            }
        }
    });

    Events.on(engine, 'collisionEnd', function(event) {
        var pairs = event.pairs;
        
        for (var i = 0, j = pairs.length; i != j; ++i) {
            var pair = pairs[i];

            if (pair.bodyA === collider) {
                pair.bodyB.render.strokeStyle = greenColor;
            } else if (pair.bodyB === collider) {
                pair.bodyA.render.strokeStyle = greenColor;
            }
        }
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;
    
    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 31 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.sleeping = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        Events = Matter.Events,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create({
            enableSleeping: true
        }),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var stack = Composites.stack(50, 50, 12, 3, 0, 0, function(x, y) {
        switch (Math.round(Common.random(0, 1))) {

        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50));
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30));
            }
        case 1:
            return Bodies.polygon(x, y, Math.round(Common.random(1, 8)), Common.random(20, 50));

        }
    });
    
    World.add(world, stack);

    for (var i = 0; i < stack.bodies.length; i++) {
        Events.on(stack.bodies[i], 'sleepStart sleepEnd', function(event) {
            var body = this;
            console.log('body id', body.id, 'sleeping:', body.isSleeping);
        });
    }

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 32 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.slingshot = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Events = Matter.Events,
        Constraint = Matter.Constraint,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var ground = Bodies.rectangle(395, 600, 815, 50, { isStatic: true }),
        rockOptions = { density: 0.004 },
        rock = Bodies.polygon(170, 450, 8, 20, rockOptions),
        anchor = { x: 170, y: 450 },
        elastic = Constraint.create({ 
            pointA: anchor, 
            bodyB: rock, 
            stiffness: 0.05
        });

    var pyramid = Composites.pyramid(500, 300, 9, 10, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 25, 40);
    });

    var ground2 = Bodies.rectangle(610, 250, 200, 20, { isStatic: true });

    var pyramid2 = Composites.pyramid(550, 0, 5, 10, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 25, 40);
    });

    World.add(engine.world, [ground, pyramid, ground2, pyramid2, rock, elastic]);

    Events.on(engine, 'afterUpdate', function() {
        if (mouseConstraint.mouse.button === -1 && (rock.position.x > 190 || rock.position.y < 430)) {
            rock = Bodies.polygon(170, 450, 7, 20, rockOptions);
            World.add(engine.world, rock);
            elastic.bodyB = rock;
        }
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 33 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.softBody = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: false
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var particleOptions = { 
        friction: 0.05,
        frictionStatic: 0.1,
        render: { visible: true } 
    };

    World.add(world, [
        Composites.softBody(250, 100, 5, 5, 0, 0, true, 18, particleOptions),
        Composites.softBody(400, 300, 8, 3, 0, 0, true, 15, particleOptions),
        Composites.softBody(250, 400, 4, 4, 0, 0, true, 15, particleOptions),
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.9,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 34 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.sprites = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            background: '#0f0f13',
            showAngleIndicator: false,
            wireframes: false
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var offset = 10,
        options = { 
            isStatic: true
        };

    world.bodies = [];

    // these static walls will not be rendered in this sprites example, see options
    World.add(world, [
        Bodies.rectangle(400, -offset, 800.5 + 2 * offset, 50.5, options),
        Bodies.rectangle(400, 600 + offset, 800.5 + 2 * offset, 50.5, options),
        Bodies.rectangle(800 + offset, 300, 50.5, 600.5 + 2 * offset, options),
        Bodies.rectangle(-offset, 300, 50.5, 600.5 + 2 * offset, options)
    ]);

    var stack = Composites.stack(20, 20, 10, 4, 0, 0, function(x, y) {
        if (Common.random() > 0.35) {
            return Bodies.rectangle(x, y, 64, 64, {
                render: {
                    strokeStyle: '#ffffff',
                    sprite: {
                        texture: './img/box.png'
                    }
                }
            });
        } else {
            return Bodies.circle(x, y, 46, {
                density: 0.0005,
                frictionAir: 0.06,
                restitution: 0.3,
                friction: 0.01,
                render: {
                    sprite: {
                        texture: './img/ball.png'
                    }
                }
            });
        }
    });

    World.add(world, stack);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 35 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.stack = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var stack = Composites.stack(200, 380, 10, 5, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 40, 40);
    });
    
    World.add(world, [
        stack,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(400, 606, 800, 50.5, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 36 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.staticFriction = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Composites = Matter.Composites,
        Events = Matter.Events,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showVelocity: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var body = Bodies.rectangle(400, 500, 200, 60, { isStatic: true, chamfer: 10 }),
        size = 50,
        counter = -1;

    var stack = Composites.stack(350, 470 - 6 * size, 1, 6, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, size * 2, size, {
            slop: 0.5,
            friction: 1,
            frictionStatic: Infinity
        });
    });
    
    World.add(world, [
        body, 
        stack,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    Events.on(engine, 'beforeUpdate', function(event) {
        counter += 0.014;

        if (counter < 0) {
            return;
        }

        var px = 400 + 100 * Math.sin(counter);

        // body is static so must manually update velocity for friction to work
        Body.setVelocity(body, { x: px - body.position.x, y: 0 });
        Body.setPosition(body, { x: px, y: body.position.y });
    });

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 37 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.stress = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // scene code
    var stack = Composites.stack(90, 50, 18, 15, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 35, 35);
    });
    
    World.add(world, [
        stack,
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 38 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.stress2 = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // scene code
    var stack = Composites.stack(100, 120, 25, 18, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 25, 25);
    });
    
    World.add(world, [
        stack,
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 39 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.svg = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Vertices = Matter.Vertices,
        Svg = Matter.Svg,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var svgs = [
        'iconmonstr-check-mark-8-icon', 
        'iconmonstr-paperclip-2-icon',
        'iconmonstr-puzzle-icon',
        'iconmonstr-user-icon'
    ];

    if (typeof $ !== 'undefined') {
        for (var i = 0; i < svgs.length; i += 1) {
            (function(i) {
                $.get('./svg/' + svgs[i] + '.svg').done(function(data) {
                    var vertexSets = [],
                        color = Common.choose(['#556270', '#4ECDC4', '#C7F464', '#FF6B6B', '#C44D58']);

                    $(data).find('path').each(function(i, path) {
                        var points = Svg.pathToVertices(path, 30);
                        vertexSets.push(Vertices.scale(points, 0.4, 0.4));
                    });

                    World.add(world, Bodies.fromVertices(100 + i * 150, 200 + i * 50, vertexSets, {
                        render: {
                            fillStyle: color,
                            strokeStyle: color,
                            lineWidth: 1
                        }
                    }, true));
                });
            })(i);
        }

        $.get('./svg/svg.svg').done(function(data) {
            var vertexSets = [],
                color = Common.choose(['#556270', '#4ECDC4', '#C7F464', '#FF6B6B', '#C44D58']);

            $(data).find('path').each(function(i, path) {
                vertexSets.push(Svg.pathToVertices(path, 30));
            });

            World.add(world, Bodies.fromVertices(400, 80, vertexSets, {
                render: {
                    fillStyle: color,
                    strokeStyle: color,
                    lineWidth: 1
                }
            }, true));
        });
    }

    World.add(world, [
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 40 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.terrain = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Query = Matter.Query,
        Svg = Matter.Svg,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var terrain;

    if (typeof $ !== 'undefined') {
        $.get('./svg/terrain.svg').done(function(data) {
            var vertexSets = [];

            $(data).find('path').each(function(i, path) {
                vertexSets.push(Svg.pathToVertices(path, 30));
            });

            terrain = Bodies.fromVertices(400, 350, vertexSets, {
                isStatic: true,
                render: {
                    fillStyle: '#2e2b44',
                    strokeStyle: '#2e2b44',
                    lineWidth: 1
                }
            }, true);

            World.add(world, terrain);

            var bodyOptions = {
                frictionAir: 0, 
                friction: 0.0001,
                restitution: 0.6
            };
            
            World.add(world, Composites.stack(80, 100, 20, 20, 10, 10, function(x, y) {
                if (Query.point([terrain], { x: x, y: y }).length === 0) {
                    return Bodies.polygon(x, y, 5, 12, bodyOptions);
                }
            }));
        });
    }

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 41 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.timescale = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Body = Matter.Body,
        Events = Matter.Events,
        Composite = Matter.Composite,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    World.add(world, [
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);

    var explosion = function(engine) {
        var bodies = Composite.allBodies(engine.world);

        for (var i = 0; i < bodies.length; i++) {
            var body = bodies[i];

            if (!body.isStatic && body.position.y >= 500) {
                var forceMagnitude = 0.05 * body.mass;

                Body.applyForce(body, body.position, {
                    x: (forceMagnitude + Common.random() * forceMagnitude) * Common.choose([1, -1]), 
                    y: -forceMagnitude + Common.random() * -forceMagnitude
                });
            }
        }
    };

    var timeScaleTarget = 1,
        counter = 0;


    Events.on(engine, 'afterUpdate', function(event) {
        // tween the timescale for bullet time slow-mo
        engine.timing.timeScale += (timeScaleTarget - engine.timing.timeScale) * 0.05;

        counter += 1;

        // every 1.5 sec
        if (counter >= 60 * 1.5) {

            // flip the timescale
            if (timeScaleTarget < 1) {
                timeScaleTarget = 1;
            } else {
                timeScaleTarget = 0.05;
            }

            // create some random forces
            explosion(engine);

            // reset counter
            counter = 0;
        }
    });

    var bodyOptions = {
        frictionAir: 0, 
        friction: 0.0001,
        restitution: 0.8
    };
    
    // add some small bouncy circles... remember Swordfish?
    World.add(world, Composites.stack(20, 100, 15, 3, 20, 40, function(x, y) {
        return Bodies.circle(x, y, Common.random(10, 20), bodyOptions);
    }));

    // add some larger random bouncy objects
    World.add(world, Composites.stack(50, 50, 8, 3, 0, 0, function(x, y) {
        switch (Math.round(Common.random(0, 1))) {

        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50), bodyOptions);
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30), bodyOptions);
            }
        case 1:
            return Bodies.polygon(x, y, Math.round(Common.random(4, 8)), Common.random(20, 50), bodyOptions);

        }
    }));

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 42 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.views = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Events = Matter.Events,
        Composites = Matter.Composites,
        Common = Matter.Common,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Vector = Matter.Vector,
        Bounds = Matter.Bounds,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            hasBounds: true,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // add bodies
    var stack = Composites.stack(20, 20, 15, 4, 0, 0, function(x, y) {
        switch (Math.round(Common.random(0, 1))) {

        case 0:
            if (Common.random() < 0.8) {
                return Bodies.rectangle(x, y, Common.random(20, 50), Common.random(20, 50));
            } else {
                return Bodies.rectangle(x, y, Common.random(80, 120), Common.random(20, 30));
            }
        case 1:
            var sides = Math.round(Common.random(1, 8));
            sides = (sides === 3) ? 4 : sides;
            return Bodies.polygon(x, y, sides, Common.random(20, 50));
        }
    });

    World.add(world, [
        stack,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);
    
    // get the centre of the viewport
    var viewportCentre = {
        x: render.options.width * 0.5,
        y: render.options.height * 0.5
    };

    // make the world bounds a little bigger than the render bounds
    world.bounds.min.x = -300;
    world.bounds.min.y = -300;
    world.bounds.max.x = 1100;
    world.bounds.max.y = 900;

    // keep track of current bounds scale (view zoom)
    var boundsScaleTarget = 1,
        boundsScale = {
            x: 1,
            y: 1
        };

    // use the engine tick event to control our view
    Events.on(engine, 'beforeTick', function() {
        var world = engine.world,
            mouse = mouseConstraint.mouse,
            translate;

        // mouse wheel controls zoom
        var scaleFactor = mouse.wheelDelta * -0.1;
        if (scaleFactor !== 0) {
            if ((scaleFactor < 0 && boundsScale.x >= 0.6) || (scaleFactor > 0 && boundsScale.x <= 1.4)) {
                boundsScaleTarget += scaleFactor;
            }
        }

        // if scale has changed
        if (Math.abs(boundsScale.x - boundsScaleTarget) > 0.01) {
            // smoothly tween scale factor
            scaleFactor = (boundsScaleTarget - boundsScale.x) * 0.2;
            boundsScale.x += scaleFactor;
            boundsScale.y += scaleFactor;

            // scale the render bounds
            render.bounds.max.x = render.bounds.min.x + render.options.width * boundsScale.x;
            render.bounds.max.y = render.bounds.min.y + render.options.height * boundsScale.y;

            // translate so zoom is from centre of view
            translate = {
                x: render.options.width * scaleFactor * -0.5,
                y: render.options.height * scaleFactor * -0.5
            };

            Bounds.translate(render.bounds, translate);

            // update mouse
            Mouse.setScale(mouse, boundsScale);
            Mouse.setOffset(mouse, render.bounds.min);
        }

        // get vector from mouse relative to centre of viewport
        var deltaCentre = Vector.sub(mouse.absolute, viewportCentre),
            centreDist = Vector.magnitude(deltaCentre);

        // translate the view if mouse has moved over 50px from the centre of viewport
        if (centreDist > 50) {
            // create a vector to translate the view, allowing the user to control view speed
            var direction = Vector.normalise(deltaCentre),
                speed = Math.min(10, Math.pow(centreDist - 50, 2) * 0.0002);

            translate = Vector.mult(direction, speed);

            // prevent the view moving outside the world bounds
            if (render.bounds.min.x + translate.x < world.bounds.min.x)
                translate.x = world.bounds.min.x - render.bounds.min.x;

            if (render.bounds.max.x + translate.x > world.bounds.max.x)
                translate.x = world.bounds.max.x - render.bounds.max.x;

            if (render.bounds.min.y + translate.y < world.bounds.min.y)
                translate.y = world.bounds.min.y - render.bounds.min.y;

            if (render.bounds.max.y + translate.y > world.bounds.max.y)
                translate.y = world.bounds.max.y - render.bounds.max.y;

            // move the view
            Bounds.translate(render.bounds, translate);

            // we must update the mouse too
            Mouse.setOffset(mouse, render.bounds.min);
        }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ }),
/* 43 */
/***/ (function(module, exports, __webpack_require__) {

var Example = Example || {};

Example.wreckingBall = function() {
    var Engine = Matter.Engine,
        Render = Matter.Render,
        Runner = Matter.Runner,
        Composites = Matter.Composites,
        MouseConstraint = Matter.MouseConstraint,
        Mouse = Matter.Mouse,
        World = Matter.World,
        Constraint = Matter.Constraint,
        Bodies = Matter.Bodies;

    // create engine
    var engine = Engine.create(),
        world = engine.world;

    // create renderer
    var render = Render.create({
        element: document.body,
        engine: engine,
        options: {
            width: 800,
            height: 600,
            showAngleIndicator: true
        }
    });

    Render.run(render);

    // create runner
    var runner = Runner.create();
    Runner.run(runner, engine);

    // add bodies
    var rows = 10,
        yy = 600 - 21 - 40 * rows;
    
    var stack = Composites.stack(400, yy, 5, rows, 0, 0, function(x, y) {
        return Bodies.rectangle(x, y, 40, 40);
    });
    
    World.add(world, [
        stack,
        // walls
        Bodies.rectangle(400, 0, 800, 50, { isStatic: true }),
        Bodies.rectangle(400, 600, 800, 50, { isStatic: true }),
        Bodies.rectangle(800, 300, 50, 600, { isStatic: true }),
        Bodies.rectangle(0, 300, 50, 600, { isStatic: true })
    ]);
    
    var ball = Bodies.circle(100, 400, 50, { density: 0.04, frictionAir: 0.005});
    
    World.add(world, ball);
    World.add(world, Constraint.create({
        pointA: { x: 300, y: 100 },
        bodyB: ball
    }));

    // add mouse control
    var mouse = Mouse.create(render.canvas),
        mouseConstraint = MouseConstraint.create(engine, {
            mouse: mouse,
            constraint: {
                stiffness: 0.2,
                render: {
                    visible: false
                }
            }
        });

    World.add(world, mouseConstraint);

    // keep the mouse in sync with rendering
    render.mouse = mouse;

    // fit the render viewport to the scene
    Render.lookAt(render, {
        min: { x: 0, y: 0 },
        max: { x: 800, y: 600 }
    });

    // context for MatterTools.Demo
    return {
        engine: engine,
        runner: runner,
        render: render,
        canvas: render.canvas,
        stop: function() {
            Matter.Render.stop(render);
            Matter.Runner.stop(runner);
        }
    };
};

if (true) {
    module.exports = Example[Object.keys(Example)[0]];
}

/***/ })
/******/ ]);
});