mirror of
https://github.com/liabru/matter-js.git
synced 2024-11-23 09:26:51 -05:00
291 lines
10 KiB
JavaScript
291 lines
10 KiB
JavaScript
(function() {
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var _isBrowser = typeof window !== 'undefined' && window.location,
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_useInspector = _isBrowser && window.location.hash.indexOf('-inspect') !== -1,
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_isMobile = _isBrowser && /(ipad|iphone|ipod|android)/gi.test(navigator.userAgent),
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_isAutomatedTest = !_isBrowser || window._phantom;
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var Matter = _isBrowser ? window.Matter : require('../../build/matter-dev.js');
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var Demo = {};
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Matter.Demo = Demo;
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if (!_isBrowser) {
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module.exports = Demo;
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window = {};
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}
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// Matter aliases
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var Example = Matter.Example,
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Engine = Matter.Engine,
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World = Matter.World,
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Common = Matter.Common,
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Bodies = Matter.Bodies,
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Events = Matter.Events,
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Mouse = Matter.Mouse,
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MouseConstraint = Matter.MouseConstraint;
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// MatterTools aliases
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if (window.MatterTools) {
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var Gui = MatterTools.Gui,
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Inspector = MatterTools.Inspector;
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}
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Demo.create = function(options) {
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var defaults = {
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sceneName: 'mixed',
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sceneEvents: []
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};
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return Common.extend(defaults, options);
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};
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Demo.init = function() {
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var demo = Demo.create();
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// get container element for the canvas
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demo.container = document.getElementById('canvas-container');
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// create an example engine (see /examples/engine.js)
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demo.engine = Example.engine(demo);
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// run the engine
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demo.runner = Engine.run(demo.engine);
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// add a mouse controlled constraint
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demo.mouseConstraint = MouseConstraint.create(demo.engine);
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World.add(demo.engine.world, demo.mouseConstraint);
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// get the scene function name from hash
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if (window.location.hash.length !== 0)
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demo.sceneName = window.location.hash.replace('#', '').replace('-inspect', '');
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// set up a scene with bodies
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Demo.reset(demo);
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Example[demo.sceneName](demo);
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// set up demo interface (see end of this file)
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Demo.initControls(demo);
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return demo;
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};
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// call init when the page has loaded fully
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if (!_isAutomatedTest) {
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if (window.addEventListener) {
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window.addEventListener('load', Demo.init);
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} else if (window.attachEvent) {
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window.attachEvent('load', Demo.init);
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}
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}
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// the functions for the demo interface and controls below
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Demo.initControls = function(demo) {
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var demoSelect = document.getElementById('demo-select'),
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demoReset = document.getElementById('demo-reset');
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// create a Matter.Gui
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if (!_isMobile && Gui) {
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demo.gui = Gui.create(demo.engine, demo.runner);
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// need to add mouse constraint back in after gui clear or load is pressed
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Events.on(demo.gui, 'clear load', function() {
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demo.mouseConstraint = MouseConstraint.create(demo.engine);
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World.add(demo.engine.world, demo.mouseConstraint);
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});
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// need to rebind mouse on render change
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Events.on(demo.gui, 'setRenderer', function() {
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Mouse.setElement(demo.mouseConstraint.mouse, demo.engine.render.canvas);
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});
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}
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// create a Matter.Inspector
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if (!_isMobile && Inspector && _useInspector) {
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demo.inspector = Inspector.create(demo.engine, demo.runner);
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Events.on(demo.inspector, 'import', function() {
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demo.mouseConstraint = MouseConstraint.create(demo.engine);
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World.add(demo.engine.world, demo.mouseConstraint);
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});
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Events.on(demo.inspector, 'play', function() {
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demo.mouseConstraint = MouseConstraint.create(demo.engine);
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World.add(demo.engine.world, demo.mouseConstraint);
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});
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Events.on(demo.inspector, 'selectStart', function() {
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demo.mouseConstraint.constraint.render.visible = false;
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});
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Events.on(demo.inspector, 'selectEnd', function() {
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demo.mouseConstraint.constraint.render.visible = true;
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});
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}
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// go fullscreen when using a mobile device
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if (_isMobile) {
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var body = document.body;
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body.className += ' is-mobile';
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demo.engine.render.canvas.addEventListener('touchstart', Demo.fullscreen);
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var fullscreenChange = function() {
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var fullscreenEnabled = document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled;
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// delay fullscreen styles until fullscreen has finished changing
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setTimeout(function() {
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if (fullscreenEnabled) {
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body.className += ' is-fullscreen';
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} else {
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body.className = body.className.replace('is-fullscreen', '');
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}
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}, 2000);
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};
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document.addEventListener('webkitfullscreenchange', fullscreenChange);
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document.addEventListener('mozfullscreenchange', fullscreenChange);
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document.addEventListener('fullscreenchange', fullscreenChange);
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}
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// initialise demo selector
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demoSelect.value = demo.sceneName;
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Demo.setUpdateSourceLink(demo.sceneName);
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demoSelect.addEventListener('change', function(e) {
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Demo.reset(demo);
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Example[demo.sceneName = e.target.value](demo);
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Gui.update(demo.gui);
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var scrollY = window.scrollY;
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window.location.hash = demo.sceneName;
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window.scrollY = scrollY;
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Demo.setUpdateSourceLink(demo.sceneName);
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});
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demoReset.addEventListener('click', function(e) {
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Demo.reset(demo);
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Example[demo.sceneName](demo);
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Gui.update(demo.gui);
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Demo.setUpdateSourceLink(demo.sceneName);
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});
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};
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Demo.setUpdateSourceLink = function(sceneName) {
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var demoViewSource = document.getElementById('demo-view-source'),
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sourceUrl = 'https://github.com/liabru/matter-js/blob/master/examples';
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demoViewSource.setAttribute('href', sourceUrl + '/' + sceneName + '.js');
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};
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Demo.fullscreen = function(demo) {
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var _fullscreenElement = demo.engine.render.canvas;
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if (!document.fullscreenElement && !document.mozFullScreenElement && !document.webkitFullscreenElement) {
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if (_fullscreenElement.requestFullscreen) {
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_fullscreenElement.requestFullscreen();
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} else if (_fullscreenElement.mozRequestFullScreen) {
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_fullscreenElement.mozRequestFullScreen();
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} else if (_fullscreenElement.webkitRequestFullscreen) {
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_fullscreenElement.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
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}
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}
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};
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Demo.reset = function(demo) {
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var world = demo.engine.world,
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i;
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World.clear(world);
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Engine.clear(demo.engine);
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// clear scene graph (if defined in controller)
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if (demo.engine.render) {
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var renderController = demo.engine.render.controller;
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if (renderController && renderController.clear)
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renderController.clear(demo.engine.render);
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}
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// clear all scene events
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if (demo.engine.events) {
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for (i = 0; i < demo.sceneEvents.length; i++)
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Events.off(demo.engine, demo.sceneEvents[i]);
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}
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if (demo.mouseConstraint && demo.mouseConstraint.events) {
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for (i = 0; i < demo.sceneEvents.length; i++)
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Events.off(demo.mouseConstraint, demo.sceneEvents[i]);
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}
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if (world.events) {
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for (i = 0; i < demo.sceneEvents.length; i++)
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Events.off(world, demo.sceneEvents[i]);
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}
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if (demo.runner && demo.runner.events) {
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for (i = 0; i < demo.sceneEvents.length; i++)
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Events.off(demo.runner, demo.sceneEvents[i]);
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}
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if (demo.engine.render && demo.engine.render.events) {
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for (i = 0; i < demo.sceneEvents.length; i++)
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Events.off(demo.engine.render, demo.sceneEvents[i]);
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}
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demo.sceneEvents = [];
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// reset id pool
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Common._nextId = 0;
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// reset random seed
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Common._seed = 0;
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// reset mouse offset and scale (only required for Demo.views)
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if (demo.mouseConstraint) {
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Mouse.setScale(demo.mouseConstraint.mouse, { x: 1, y: 1 });
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Mouse.setOffset(demo.mouseConstraint.mouse, { x: 0, y: 0 });
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}
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demo.engine.enableSleeping = false;
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demo.engine.world.gravity.y = 1;
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demo.engine.world.gravity.x = 0;
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demo.engine.timing.timeScale = 1;
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var offset = 5;
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World.add(world, [
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Bodies.rectangle(400, -offset, 800.5 + 2 * offset, 50.5, { isStatic: true }),
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Bodies.rectangle(400, 600 + offset, 800.5 + 2 * offset, 50.5, { isStatic: true }),
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Bodies.rectangle(800 + offset, 300, 50.5, 600.5 + 2 * offset, { isStatic: true }),
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Bodies.rectangle(-offset, 300, 50.5, 600.5 + 2 * offset, { isStatic: true })
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]);
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if (demo.mouseConstraint) {
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World.add(world, demo.mouseConstraint);
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}
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if (demo.engine.render) {
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var renderOptions = demo.engine.render.options;
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renderOptions.wireframes = true;
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renderOptions.hasBounds = false;
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renderOptions.showDebug = false;
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renderOptions.showBroadphase = false;
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renderOptions.showBounds = false;
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renderOptions.showVelocity = false;
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renderOptions.showCollisions = false;
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renderOptions.showAxes = false;
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renderOptions.showPositions = false;
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renderOptions.showAngleIndicator = true;
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renderOptions.showIds = false;
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renderOptions.showShadows = false;
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renderOptions.showVertexNumbers = false;
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renderOptions.showConvexHulls = false;
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renderOptions.showInternalEdges = false;
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renderOptions.showSeparations = false;
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renderOptions.background = '#fff';
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if (_isMobile) {
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renderOptions.showDebug = true;
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}
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}
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};
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})();
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