diff --git a/build/matter.js b/build/matter.js index 3e8464e..761257e 100644 --- a/build/matter.js +++ b/build/matter.js @@ -1,5 +1,5 @@ /** -* matter.js 0.7.0-edge 2014-04-01 +* matter.js 0.7.0-edge 2014-05-01 * http://brm.io/matter-js/ * License: MIT */ @@ -51,8 +51,7 @@ var Body = {}; (function() { - var _nextId = 0, - _nextGroupId = 1; + var _nextGroupId = 1; /** * Description to be written. @@ -62,8 +61,9 @@ var Body = {}; */ Body.create = function(options) { var defaults = { - id: Body.nextId(), + id: Common.nextId(), type: 'body', + label: 'Body', angle: 0, position: { x: 0, y: 0 }, force: { x: 0, y: 0 }, @@ -84,6 +84,7 @@ var Body = {}; frictionAir: 0.01, groupId: 0, slop: 0.05, + timeScale: 1, render: { visible: true, sprite: { @@ -97,20 +98,11 @@ var Body = {}; var body = Common.extend(defaults, options); - Body.updateProperties(body); + _initProperties(body); return body; }; - /** - * Description - * @method nextId - * @return {Number} Unique bodyID - */ - Body.nextId = function() { - return _nextId++; - }; - /** * Description * @method nextGroupId @@ -121,11 +113,12 @@ var Body = {}; }; /** - * Description - * @method updateProperties + * Initialises body properties + * @method _initProperties + * @private * @param {body} body */ - Body.updateProperties = function(body) { + var _initProperties = function(body) { // calculated properties body.vertices = body.vertices || Vertices.fromPath(body.render.path); body.axes = body.axes || Axes.fromVertices(body.vertices); @@ -149,15 +142,33 @@ var Body = {}; Axes.rotate(body.axes, body.angle); Bounds.update(body.bounds, body.vertices, body.velocity); - if (body.isStatic) { + Body.setStatic(body, body.isStatic); + Sleeping.set(body, body.isSleeping); + }; + + /** + * Sets the body as static, including isStatic flag and setting mass and inertia to Infinity + * @method setStatic + * @param {bool} isStatic + */ + Body.setStatic = function(body, isStatic) { + body.isStatic = isStatic; + + if (isStatic) { body.restitution = 0; body.friction = 1; body.mass = body.inertia = body.density = Infinity; body.inverseMass = body.inverseInertia = 0; body.render.lineWidth = 1; - } - Sleeping.set(body, body.isSleeping); + body.positionPrev.x = body.position.x; + body.positionPrev.y = body.position.y; + body.anglePrev = body.angle; + body.angularVelocity = 0; + body.speed = 0; + body.angularSpeed = 0; + body.motion = 0; + } }; /** @@ -228,7 +239,7 @@ var Body = {}; * @param {number} correction */ Body.update = function(body, deltaTime, correction) { - var deltaTimeSquared = deltaTime * deltaTime; + var deltaTimeSquared = deltaTime * deltaTime * body.timeScale; // from the previous step var frictionAir = 1 - body.frictionAir, @@ -305,6 +316,34 @@ var Body = {}; Bounds.update(body.bounds, body.vertices, body.velocity); }; + /** + * Scales the body, including updating physical properties (mass, area, axes, inertia), from a point (default is centre) + * @method translate + * @param {body} body + * @param {number} scaleX + * @param {number} scaleY + * @param {vector} point + */ + Body.scale = function(body, scaleX, scaleY, point) { + // scale vertices + Vertices.scale(body.vertices, scaleX, scaleY, point); + + // update properties + body.axes = Axes.fromVertices(body.vertices); + body.area = Vertices.area(body.vertices); + body.mass = body.density * body.area; + body.inverseMass = 1 / body.mass; + + // update inertia (requires vertices to be at origin) + Vertices.translate(body.vertices, { x: -body.position.x, y: -body.position.y }); + body.inertia = Vertices.inertia(body.vertices, body.mass); + body.inverseInertia = 1 / body.inertia; + Vertices.translate(body.vertices, { x: body.position.x, y: body.position.y }); + + // update bounds + Bounds.update(body.bounds, body.vertices, body.velocity); + }; + })(); ; // End src/body/Body.js @@ -325,8 +364,6 @@ var Composite = {}; (function() { - var _nextId = 0; - /** * Description * @method create @@ -335,25 +372,17 @@ var Composite = {}; */ Composite.create = function(options) { return Common.extend({ - id: Composite.nextId(), + id: Common.nextId(), type: 'composite', parent: null, isModified: false, bodies: [], constraints: [], - composites: [] + composites: [], + label: 'Composite' }, options); }; - /** - * Returns the next unique compositeID - * @method nextId - * @return {Number} Unique compositeID - */ - Composite.nextId = function() { - return _nextId++; - }; - /** * Sets the composite's `isModified` flag. * If `updateParents` is true, all parents will be set (default: false). @@ -672,6 +701,74 @@ var Composite = {}; return composites; }; + /** + * Searches the composite recursively for an object matching the type and id supplied, null if not found + * @method get + * @param {composite} composite + * @param {number} id + * @param {string} type + * @return {object} The requested object, if found + */ + Composite.get = function(composite, id, type) { + var objects, + object; + + switch (type) { + case 'body': + objects = Composite.allBodies(composite); + break; + case 'constraint': + objects = Composite.allConstraints(composite); + break; + case 'composite': + objects = Composite.allComposites(composite).concat(composite); + break; + } + + if (!objects) + return null; + + object = objects.filter(function(object) { + return object.id.toString() === id.toString(); + }); + + return object.length === 0 ? null : object[0]; + }; + + /** + * Moves the given object(s) from compositeA to compositeB (equal to a remove followed by an add) + * @method move + * @param {compositeA} compositeA + * @param {object[]} objects + * @param {compositeB} compositeB + * @return {composite} Returns compositeA + */ + Composite.move = function(compositeA, objects, compositeB) { + Composite.remove(compositeA, objects); + Composite.add(compositeB, objects); + return compositeA; + }; + + /** + * Assigns new ids for all objects in the composite, recursively + * @method rebase + * @param {composite} composite + * @return {composite} Returns composite + */ + Composite.rebase = function(composite) { + var objects = Composite.allBodies(composite) + .concat(Composite.allConstraints(composite)) + .concat(Composite.allComposites(composite)); + + for (var i = 0; i < objects.length; i++) { + objects[i].id = Common.nextId(); + } + + Composite.setModified(composite, true, true, false); + + return composite; + }; + })(); ; // End src/body/Composite.js @@ -701,6 +798,7 @@ var World = {}; var composite = Composite.create(); var defaults = { + label: 'World', gravity: { x: 0, y: 1 }, bounds: { min: { x: 0, y: 0 }, @@ -1497,6 +1595,77 @@ var Pairs = {}; ; // End src/collision/Pairs.js +// Begin src/collision/Query.js + +/** +* Functions for performing collision queries +* +* @class Query +*/ + +var Query = {}; + +(function() { + + /** + * Casts a ray segment against a set of bodies and returns all collisions, ray width is optional. Intersection points are not provided. + * @method ray + * @param {body[]} bodies + * @param {vector} startPoint + * @param {vector} endPoint + * @return {object[]} Collisions + */ + Query.ray = function(bodies, startPoint, endPoint, rayWidth) { + rayWidth = rayWidth || Number.MIN_VALUE; + + var rayAngle = Vector.angle(startPoint, endPoint), + rayLength = Vector.magnitude(Vector.sub(startPoint, endPoint)), + rayX = (endPoint.x + startPoint.x) * 0.5, + rayY = (endPoint.y + startPoint.y) * 0.5, + ray = Bodies.rectangle(rayX, rayY, rayLength, rayWidth, { angle: rayAngle }), + collisions = []; + + for (var i = 0; i < bodies.length; i++) { + var bodyA = bodies[i]; + + if (Bounds.overlaps(bodyA.bounds, ray.bounds)) { + var collision = SAT.collides(bodyA, ray); + if (collision.collided) { + collision.body = collision.bodyA = collision.bodyB = bodyA; + collisions.push(collision); + } + } + } + + return collisions; + }; + + /** + * Returns all bodies whose bounds are inside (or outside if set) the given set of bounds, from the given set of bodies + * @method region + * @param {body[]} bodies + * @param {bounds} bounds + * @param {bool} outside + * @return {body[]} The bodies matching the query + */ + Query.region = function(bodies, bounds, outside) { + var result = []; + + for (var i = 0; i < bodies.length; i++) { + var body = bodies[i], + overlaps = Bounds.overlaps(body.bounds, bounds); + if ((overlaps && !outside) || (!overlaps && outside)) + result.push(body); + } + + return result; + }; + +})(); + +; // End src/collision/Query.js + + // Begin src/collision/Resolver.js /** @@ -1517,8 +1686,9 @@ var Resolver = {}; * Description * @method solvePosition * @param {pair[]} pairs + * @param {number} timeScale */ - Resolver.solvePosition = function(pairs) { + Resolver.solvePosition = function(pairs, timeScale) { var i, pair, collision, @@ -1560,7 +1730,7 @@ var Resolver = {}; bodyA = collision.bodyA; bodyB = collision.bodyB; normal = collision.normal; - positionImpulse = (pair.separation * _positionDampen) - pair.slop; + positionImpulse = ((pair.separation * _positionDampen) - pair.slop) * timeScale; if (bodyA.isStatic || bodyB.isStatic) positionImpulse *= 2; @@ -2050,8 +2220,7 @@ var Constraint = {}; (function() { var _minLength = 0.000001, - _minDifference = 0.001, - _nextId = 0; + _minDifference = 0.001; /** * Description @@ -2085,7 +2254,8 @@ var Constraint = {}; constraint.render = Common.extend(render, constraint.render); // option defaults - constraint.id = constraint.id || Constraint.nextId(); + constraint.id = constraint.id || Common.nextId(); + constraint.label = constraint.label || 'Constraint'; constraint.type = 'constraint'; constraint.stiffness = constraint.stiffness || 1; constraint.angularStiffness = constraint.angularStiffness || 0; @@ -2099,10 +2269,11 @@ var Constraint = {}; * Description * @method solveAll * @param {constraint[]} constraints + * @param {number} timeScale */ - Constraint.solveAll = function(constraints) { + Constraint.solveAll = function(constraints, timeScale) { for (var i = 0; i < constraints.length; i++) { - Constraint.solve(constraints[i]); + Constraint.solve(constraints[i], timeScale); } }; @@ -2110,8 +2281,9 @@ var Constraint = {}; * Description * @method solve * @param {constraint} constraint + * @param {number} timeScale */ - Constraint.solve = function(constraint) { + Constraint.solve = function(constraint, timeScale) { var bodyA = constraint.bodyA, bodyB = constraint.bodyB, pointA = constraint.pointA, @@ -2148,10 +2320,10 @@ var Constraint = {}; // solve distance constraint with Gauss-Siedel method var difference = (currentLength - constraint.length) / currentLength, normal = Vector.div(delta, currentLength), - force = Vector.mult(delta, difference * 0.5 * constraint.stiffness); + force = Vector.mult(delta, difference * 0.5 * constraint.stiffness * timeScale * timeScale); // if difference is very small, we can skip - if (Math.abs(1 - (currentLength / constraint.length)) < _minDifference) + if (Math.abs(1 - (currentLength / constraint.length)) < _minDifference * timeScale) return; var velocityPointA, @@ -2285,15 +2457,6 @@ var Constraint = {}; } }; - /** - * Returns the next unique constraintId - * @method nextId - * @return {Number} Unique constraintId - */ - Constraint.nextId = function() { - return _nextId++; - }; - })(); ; // End src/constraint/Constraint.js @@ -2323,6 +2486,7 @@ var MouseConstraint = {}; var mouse = engine.input.mouse; var constraint = Constraint.create({ + label: 'Mouse Constraint', pointA: mouse.position, pointB: { x: 0, y: 0 }, length: 0.01, @@ -2404,6 +2568,8 @@ var Common = {}; (function() { + Common._nextId = 0; + /** * Description * @method extend @@ -2663,6 +2829,15 @@ var Common = {}; console.log('%c [Matter] ' + type + ': ' + message, style); }; + /** + * Returns the next unique sequential ID + * @method nextId + * @return {Number} Unique sequential ID + */ + Common.nextId = function() { + return Common._nextId++; + }; + })(); ; // End src/core/Common.js @@ -2677,9 +2852,7 @@ var Common = {}; * @class Engine */ -// TODO: multiple event handlers, before & after handlers // TODO: viewports -// TODO: frameskipping var Engine = {}; @@ -2721,7 +2894,8 @@ var Engine = {}; delta: _delta, correction: 1, deltaMin: 1000 / _fps, - deltaMax: 1000 / (_fps * 0.5) + deltaMax: 1000 / (_fps * 0.5), + timeScale: 1 }, render: { element: element, @@ -2763,7 +2937,8 @@ var Engine = {}; correction, counterTimestamp = 0, frameCounter = 0, - deltaHistory = []; + deltaHistory = [], + timeScalePrev = 1; (function render(timestamp){ _requestAnimationFrame(render); @@ -2779,15 +2954,6 @@ var Engine = {}; timestamp: timestamp }; - /** - * Fired at the start of a tick, before any updates to the engine or timing - * - * @event beforeTick - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ Events.trigger(engine, 'beforeTick', event); delta = (timestamp - timing.timestamp) || _delta; @@ -2798,12 +2964,21 @@ var Engine = {}; delta = Math.min.apply(null, deltaHistory); // limit delta - delta = delta < engine.timing.deltaMin ? engine.timing.deltaMin : delta; - delta = delta > engine.timing.deltaMax ? engine.timing.deltaMax : delta; + delta = delta < timing.deltaMin ? timing.deltaMin : delta; + delta = delta > timing.deltaMax ? timing.deltaMax : delta; - // verlet time correction + // time correction for delta correction = delta / timing.delta; + // time correction for time scaling + if (timeScalePrev !== 0) + correction *= timing.timeScale / timeScalePrev; + + if (timing.timeScale === 0) + correction = 0; + + timeScalePrev = timing.timeScale; + // update engine timing object timing.timestamp = timestamp; timing.correction = correction; @@ -2817,24 +2992,6 @@ var Engine = {}; frameCounter = 0; } - /** - * Fired after engine timing updated, but just before engine state updated - * - * @event tick - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ - /** - * Fired just before an update - * - * @event beforeUpdate - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ Events.trigger(engine, 'tick beforeUpdate', event); // if world has been modified, clear the render scene graph @@ -2848,48 +3005,12 @@ var Engine = {}; _triggerCollisionEvents(engine); _triggerMouseEvents(engine); - /** - * Fired after engine update and all collision events - * - * @event afterUpdate - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ - /** - * Fired just before rendering - * - * @event beforeRender - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ Events.trigger(engine, 'afterUpdate beforeRender', event); // render if (engine.render.options.enabled) engine.render.controller.world(engine); - /** - * Fired after rendering - * - * @event afterRender - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ - /** - * Fired after engine update and after rendering - * - * @event afterTick - * @param {} event An event object - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ Events.trigger(engine, 'afterTick afterRender', event); })(); }; @@ -2904,6 +3025,7 @@ var Engine = {}; */ Engine.update = function(engine, delta, correction) { var world = engine.world, + timing = engine.timing, broadphase = engine.broadphase[engine.broadphase.current], broadphasePairs = [], i; @@ -2923,11 +3045,11 @@ var Engine = {}; Body.applyGravityAll(allBodies, world.gravity); // update all body position and rotation by integration - Body.updateAll(allBodies, delta * engine.timeScale, correction, world.bounds); + Body.updateAll(allBodies, delta * timing.timeScale, correction, world.bounds); // update all constraints for (i = 0; i < engine.constraintIterations; i++) { - Constraint.solveAll(allConstraints); + Constraint.solveAll(allConstraints, timing.timeScale); } Constraint.postSolveAll(allBodies); @@ -2952,7 +3074,7 @@ var Engine = {}; // update collision pairs var pairs = engine.pairs, - timestamp = engine.timing.timestamp; + timestamp = timing.timestamp; Pairs.update(pairs, collisions, timestamp); Pairs.removeOld(pairs, timestamp); @@ -2968,7 +3090,7 @@ var Engine = {}; // iteratively resolve position between collisions for (i = 0; i < engine.positionIterations; i++) { - Resolver.solvePosition(pairs.list); + Resolver.solvePosition(pairs.list, timing.timeScale); } Resolver.postSolvePosition(allBodies); @@ -3004,7 +3126,7 @@ var Engine = {}; for (var i = 0; i < bodies.length; i++) { var body = bodies[i]; Sleeping.set(body, false); - body.id = Body.nextId(); + body.id = Common.nextId(); } } }; @@ -3037,45 +3159,18 @@ var Engine = {}; var mouse = engine.input.mouse, mouseEvents = mouse.sourceEvents; - /** - * Fired when the mouse has moved (or a touch moves) during the last step - * - * @event mousemove - * @param {} event An event object - * @param {mouse} event.mouse The engine's mouse instance - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ if (mouseEvents.mousemove) { Events.trigger(engine, 'mousemove', { mouse: mouse }); } - /** - * Fired when the mouse is down (or a touch has started) during the last step - * - * @event mousedown - * @param {} event An event object - * @param {mouse} event.mouse The engine's mouse instance - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ if (mouseEvents.mousedown) { Events.trigger(engine, 'mousedown', { mouse: mouse }); } - /** - * Fired when the mouse is up (or a touch has ended) during the last step - * - * @event mouseup - * @param {} event An event object - * @param {mouse} event.mouse The engine's mouse instance - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ if (mouseEvents.mouseup) { Events.trigger(engine, 'mouseup', { mouse: mouse @@ -3095,48 +3190,18 @@ var Engine = {}; var _triggerCollisionEvents = function(engine) { var pairs = engine.pairs; - /** - * Fired after engine update, provides a list of all pairs that have started to collide in the current tick (if any) - * - * @event collisionStart - * @param {} event An event object - * @param {} event.pairs List of affected pairs - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ if (pairs.collisionStart.length > 0) { Events.trigger(engine, 'collisionStart', { pairs: pairs.collisionStart }); } - /** - * Fired after engine update, provides a list of all pairs that are colliding in the current tick (if any) - * - * @event collisionActive - * @param {} event An event object - * @param {} event.pairs List of affected pairs - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ if (pairs.collisionActive.length > 0) { Events.trigger(engine, 'collisionActive', { pairs: pairs.collisionActive }); } - /** - * Fired after engine update, provides a list of all pairs that have ended collision in the current tick (if any) - * - * @event collisionEnd - * @param {} event An event object - * @param {} event.pairs List of affected pairs - * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ if (pairs.collisionEnd.length > 0) { Events.trigger(engine, 'collisionEnd', { pairs: pairs.collisionEnd @@ -3144,6 +3209,145 @@ var Engine = {}; } }; + /* + * + * Events Documentation + * + */ + + /** + * Fired at the start of a tick, before any updates to the engine or timing + * + * @event beforeTick + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after engine timing updated, but just before engine state updated + * + * @event tick + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired just before an update + * + * @event beforeUpdate + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after engine update and all collision events + * + * @event afterUpdate + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired just before rendering + * + * @event beforeRender + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after rendering + * + * @event afterRender + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after engine update and after rendering + * + * @event afterTick + * @param {} event An event object + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired when the mouse has moved (or a touch moves) during the last step + * + * @event mousemove + * @param {} event An event object + * @param {mouse} event.mouse The engine's mouse instance + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired when the mouse is down (or a touch has started) during the last step + * + * @event mousedown + * @param {} event An event object + * @param {mouse} event.mouse The engine's mouse instance + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired when the mouse is up (or a touch has ended) during the last step + * + * @event mouseup + * @param {} event An event object + * @param {mouse} event.mouse The engine's mouse instance + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after engine update, provides a list of all pairs that have started to collide in the current tick (if any) + * + * @event collisionStart + * @param {} event An event object + * @param {} event.pairs List of affected pairs + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after engine update, provides a list of all pairs that are colliding in the current tick (if any) + * + * @event collisionActive + * @param {} event An event object + * @param {} event.pairs List of affected pairs + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after engine update, provides a list of all pairs that have ended collision in the current tick (if any) + * + * @event collisionEnd + * @param {} event An event object + * @param {} event.pairs List of affected pairs + * @param {DOMHighResTimeStamp} event.timestamp The timestamp of the current tick + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + })(); ; // End src/core/Engine.js @@ -3179,23 +3383,43 @@ var Events = {}; object.events[name] = object.events[name] || []; object.events[name].push(callback); } + + return callback; }; /** - * Clears all callbacks for the given event names if supplied, otherwise all events + * Removes the given event callback. If no callback, clears all callbacks in eventNames. If no eventNames, clears all events. * @method off * @param {} object * @param {string} eventNames + * @param {function} callback */ - Events.off = function(object, eventNames) { + Events.off = function(object, eventNames, callback) { if (!eventNames) { object.events = {}; return; } + // handle Events.off(object, callback) + if (typeof eventNames === 'function') { + callback = eventNames; + eventNames = Common.keys(object.events).join(' '); + } + var names = eventNames.split(' '); + for (var i = 0; i < names.length; i++) { - object.events[names[i]] = []; + var callbacks = object.events[names[i]], + newCallbacks = []; + + if (callback) { + for (var j = 0; j < callbacks.length; j++) { + if (callbacks[j] !== callback) + newCallbacks.push(callbacks[j]); + } + } + + object.events[names[i]] = newCallbacks; } }; @@ -3351,6 +3575,7 @@ var Mouse; this.position = { x: 0, y: 0 }; this.mousedownPosition = { x: 0, y: 0 }; this.mouseupPosition = { x: 0, y: 0 }; + this.offset = { x: 0, y: 0 }; this.button = -1; this.sourceEvents = { @@ -3368,7 +3593,8 @@ var Mouse; event.preventDefault(); } - mouse.position = position; + mouse.position.x = position.x + mouse.offset.x; + mouse.position.y = position.y + mouse.offset.y; mouse.sourceEvents.mousemove = event; }; @@ -3383,7 +3609,10 @@ var Mouse; mouse.button = event.button; } - mouse.position = mouse.mousedownPosition = position; + mouse.position.x = position.x + mouse.offset.x; + mouse.position.y = position.y + mouse.offset.y; + mouse.mousedownPosition.x = position.x + mouse.offset.x; + mouse.mousedownPosition.y = position.y + mouse.offset.y; mouse.sourceEvents.mousedown = event; }; @@ -3396,7 +3625,10 @@ var Mouse; } mouse.button = -1; - mouse.position = mouse.mouseupPosition = position; + mouse.position.x = position.x + mouse.offset.x; + mouse.position.y = position.y + mouse.offset.y; + mouse.mouseupPosition.x = position.x + mouse.offset.x; + mouse.mouseupPosition.y = position.y + mouse.offset.y; mouse.sourceEvents.mouseup = event; }; @@ -3620,6 +3852,7 @@ var Bodies = {}; options = options || {}; var rectangle = { + label: 'Rectangle Body', position: { x: x, y: y }, render: { path: 'L 0 0 L ' + width + ' 0 L ' + width + ' ' + height + ' L 0 ' + height @@ -3651,6 +3884,7 @@ var Bodies = {}; x3 = x2 + x1; var trapezoid = { + label: 'Trapezoid Body', position: { x: x, y: y }, render: { path: 'L 0 0 L ' + x1 + ' ' + (-height) + ' L ' + x2 + ' ' + (-height) + ' L ' + x3 + ' 0' @@ -3672,6 +3906,7 @@ var Bodies = {}; */ Bodies.circle = function(x, y, radius, options, maxSides) { options = options || {}; + options.label = 'Circle Body'; // approximate circles with polygons until true circles implemented in SAT @@ -3717,6 +3952,7 @@ var Bodies = {}; } var polygon = { + label: 'Polygon Body', position: { x: x, y: y }, render: { path: path @@ -3757,7 +3993,7 @@ var Composites = {}; * @return {composite} A new composite containing objects created in the callback */ Composites.stack = function(xx, yy, columns, rows, columnGap, rowGap, callback) { - var stack = Composite.create(), + var stack = Composite.create({ label: 'Stack' }), x = xx, y = yy, lastBody, @@ -3827,6 +4063,8 @@ var Composites = {}; Composite.addConstraint(composite, Constraint.create(constraint)); } + + composite.label += ' Chain'; return composite; }; @@ -3876,6 +4114,8 @@ var Composites = {}; } } } + + composite.label += ' Mesh'; return composite; }; @@ -3931,7 +4171,7 @@ var Composites = {}; * @return {composite} A new composite newtonsCradle body */ Composites.newtonsCradle = function(xx, yy, number, size, length) { - var newtonsCradle = Composite.create(); + var newtonsCradle = Composite.create({ label: 'Newtons Cradle' }); for (var i = 0; i < number; i++) { var separation = 1.9, @@ -3963,7 +4203,7 @@ var Composites = {}; wheelBOffset = width * 0.5 - wheelBase, wheelYOffset = 0; - var car = Composite.create(), + var car = Composite.create({ label: 'Car' }), body = Bodies.trapezoid(xx, yy, width, height, 0.3, { groupId: groupId, friction: 0.01 }); var wheelA = Bodies.circle(xx + wheelAOffset, yy + wheelYOffset, wheelSize, { @@ -4028,6 +4268,8 @@ var Composites = {}; Composites.mesh(softBody, columns, rows, crossBrace, constraintOptions); + softBody.label = 'Soft Body'; + return softBody; }; @@ -4125,7 +4367,10 @@ var Bounds = {}; min: { x: 0, y: 0 }, max: { x: 0, y: 0 } }; - Bounds.update(bounds, vertices); + + if (vertices) + Bounds.update(bounds, vertices); + return bounds; }; @@ -4188,6 +4433,35 @@ var Bounds = {}; return (boundsA.min.x <= boundsB.max.x && boundsA.max.x >= boundsB.min.x && boundsA.max.y >= boundsB.min.y && boundsA.min.y <= boundsB.max.y); }; + + /** + * Translates the bounds by the given vector + * @method translate + * @param {bounds} bounds + * @param {vector} vector + */ + Bounds.translate = function(bounds, vector) { + bounds.min.x += vector.x; + bounds.max.x += vector.x; + bounds.min.y += vector.y; + bounds.max.y += vector.y; + }; + + /** + * Shifts the bounds to the given position + * @method shift + * @param {bounds} bounds + * @param {vector} position + */ + Bounds.shift = function(bounds, position) { + var deltaX = bounds.max.x - bounds.min.x, + deltaY = bounds.max.y - bounds.min.y; + + bounds.min.x = position.x; + bounds.max.x = position.x + deltaX; + bounds.min.y = position.y; + bounds.max.y = position.y + deltaY; + }; })(); @@ -4361,6 +4635,17 @@ var Vector = {}; return { x: -vector.x, y: -vector.y }; }; + /** + * Returns the angle in radians between the two vectors relative to the x-axis + * @method angle + * @param {vector} vectorA + * @param {vector} vectorB + * @return {number} The angle in radians + */ + Vector.angle = function(vectorA, vectorB) { + return Math.atan2(vectorB.y - vectorA.y, vectorB.x - vectorA.x); + }; + })(); ; // End src/geometry/Vector.js @@ -4537,277 +4822,38 @@ var Vertices = {}; return true; }; + /** + * Scales the vertices from a point (default is centre) + * @method scale + * @param {vertices} vertices + * @param {number} scaleX + * @param {number} scaleY + * @param {vector} point + */ + Vertices.scale = function(vertices, scaleX, scaleY, point) { + if (scaleX === 1 && scaleY === 1) + return vertices; + + point = point || Vertices.centre(vertices); + + var vertex, + delta; + + for (var i = 0; i < vertices.length; i++) { + vertex = vertices[i]; + delta = Vector.sub(vertex, point); + vertices[i].x = point.x + delta.x * scaleX; + vertices[i].y = point.y + delta.y * scaleY; + } + + return vertices; + }; + })(); ; // End src/geometry/Vertices.js -// Begin src/render/Gui.js - -/** -* See [Demo.js](https://github.com/liabru/matter-js/blob/master/demo/js/Demo.js) -* and [DemoMobile.js](https://github.com/liabru/matter-js/blob/master/demo/js/DemoMobile.js) for usage examples. -* -* @class Gui -*/ - -var Gui = {}; - -(function() { - - /** - * Description - * @method create - * @param {engine} engine - * @param {object} options - * @return {gui} A container for a configured dat.gui - */ - Gui.create = function(engine, options) { - var _datGuiSupported = window.dat && window.localStorage, - _serializer; - - if (!_datGuiSupported) { - console.log("Could not create GUI. Check dat.gui library is loaded first."); - return; - } - - var datGui = new dat.GUI(options); - - if (Resurrect) { - _serializer = new Resurrect({ prefix: '$' }); - _serializer.parse = _serializer.resurrect; - } else { - _serializer = JSON; - } - - var gui = { - datGui: datGui, - amount: 1, - size: 40, - sides: 4, - density: 0.001, - restitution: 0, - friction: 0.1, - frictionAir: 0.01, - renderer: 'canvas' - }; - - var funcs = { - - addBody: function() { - var options = { - density: gui.density, - friction: gui.friction, - frictionAir: gui.frictionAir, - restitution: gui.restitution - }; - - for (var i = 0; i < gui.amount; i++) { - World.add(engine.world, Bodies.polygon(120 + i * gui.size + i * 50, 200, gui.sides, gui.size, options)); - } - }, - - clear: function() { - World.clear(engine.world, true); - Engine.clear(engine); - - // clear scene graph (if defined in controller) - var renderController = engine.render.controller; - if (renderController.clear) - renderController.clear(engine.render); - - /** - * Fired after the gui's clear button pressed - * - * @event clear - * @param {} event An event object - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ - Events.trigger(gui, 'clear'); - }, - - save: function() { - if (localStorage && _serializer) { - localStorage.setItem('world', _serializer.stringify(engine.world)); - } - - /** - * Fired after the gui's save button pressed - * - * @event save - * @param {} event An event object - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ - Events.trigger(gui, 'save'); - }, - - load: function() { - var loadedWorld; - - if (localStorage && _serializer) { - loadedWorld = _serializer.parse(localStorage.getItem('world')); - } - - if (loadedWorld) { - Engine.merge(engine, { world: loadedWorld }); - } - - /** - * Fired after the gui's load button pressed - * - * @event load - * @param {} event An event object - * @param {} event.source The source object of the event - * @param {} event.name The name of the event - */ - Events.trigger(gui, 'load'); - } - }; - - var metrics = datGui.addFolder('Metrics'); - metrics.add(engine.timing, 'fps').listen(); - - if (engine.metrics.extended) { - metrics.add(engine.timing, 'delta').listen(); - metrics.add(engine.timing, 'correction').listen(); - metrics.add(engine.metrics, 'bodies').listen(); - metrics.add(engine.metrics, 'collisions').listen(); - metrics.add(engine.metrics, 'pairs').listen(); - metrics.add(engine.metrics, 'broadEff').listen(); - metrics.add(engine.metrics, 'midEff').listen(); - metrics.add(engine.metrics, 'narrowEff').listen(); - metrics.add(engine.metrics, 'narrowReuse').listen(); - metrics.close(); - } else { - metrics.open(); - } - - var controls = datGui.addFolder('Add Body'); - controls.add(gui, 'amount', 1, 5).step(1); - controls.add(gui, 'size', 5, 150).step(1); - controls.add(gui, 'sides', 1, 8).step(1); - controls.add(gui, 'density', 0.0001, 0.01).step(0.001); - controls.add(gui, 'friction', 0, 1).step(0.05); - controls.add(gui, 'frictionAir', 0, gui.frictionAir * 10).step(gui.frictionAir / 10); - controls.add(gui, 'restitution', 0, 1).step(0.1); - controls.add(funcs, 'addBody'); - controls.open(); - - var worldGui = datGui.addFolder('World'); - worldGui.add(funcs, 'load'); - worldGui.add(funcs, 'save'); - worldGui.add(funcs, 'clear'); - worldGui.open(); - - var gravity = worldGui.addFolder('Gravity'); - gravity.add(engine.world.gravity, 'x', -1, 1).step(0.01); - gravity.add(engine.world.gravity, 'y', -1, 1).step(0.01); - gravity.open(); - - var physics = datGui.addFolder('Engine'); - physics.add(engine, 'enableSleeping'); - - physics.add(engine.broadphase, 'current', ['grid', 'bruteForce']) - .onFinishChange(function(value) { - Composite.setModified(engine.world, true, false, false); - }); - - physics.add(engine, 'timeScale', 0.1, 2).step(0.1); - physics.add(engine, 'velocityIterations', 1, 10).step(1); - physics.add(engine, 'positionIterations', 1, 10).step(1); - physics.add(engine, 'enabled'); - physics.open(); - - var render = datGui.addFolder('Render'); - - render.add(gui, 'renderer', ['canvas', 'webgl']) - .onFinishChange(function(value) { - var controller; - - if (value === 'canvas') - controller = Render; - - if (value === 'webgl') - controller = RenderPixi; - - // remove old canvas - engine.render.element.removeChild(engine.render.canvas); - - // create new renderer using the same options object - var options = engine.render.options; - - engine.render = controller.create({ - element: engine.render.element, - options: options - }); - - engine.render.options = options; - - // bind the mouse to the new canvas - Mouse.setElement(engine.input.mouse, engine.render.canvas); - }); - - render.add(engine.render.options, 'wireframes'); - render.add(engine.render.options, 'showDebug'); - render.add(engine.render.options, 'showPositions'); - render.add(engine.render.options, 'showBroadphase'); - render.add(engine.render.options, 'showBounds'); - render.add(engine.render.options, 'showVelocity'); - render.add(engine.render.options, 'showCollisions'); - render.add(engine.render.options, 'showAxes'); - render.add(engine.render.options, 'showAngleIndicator'); - render.add(engine.render.options, 'showSleeping'); - render.add(engine.render.options, 'showIds'); - render.add(engine.render.options, 'showShadows'); - render.add(engine.render.options, 'enabled'); - render.open(); - - //datGui.remember(world) - - return gui; - }; - - /** - * Description - * @method update - * @param {gui} gui - * @param {datGui} datGui - */ - Gui.update = function(gui, datGui) { - var i; - datGui = datGui || gui.datGui; - - for (i in datGui.__folders) { - Gui.update(gui, datGui.__folders[i]); - } - - for (i in datGui.__controllers) { - var controller = datGui.__controllers[i]; - if (controller.updateDisplay) - controller.updateDisplay(); - } - }; - - /** - * Description - * @method closeAll - * @param {gui} gui - */ - Gui.closeAll = function(gui) { - var datGui = gui.datGui; - - for (var i in datGui.__folders) { - datGui.__folders[i].close(); - } - }; - -})(); - -; // End src/render/Gui.js - - // Begin src/render/Render.js /** @@ -4840,6 +4886,7 @@ var Render = {}; height: 600, background: '#fafafa', wireframeBackground: '#222', + hasBounds: false, enabled: true, wireframes: true, showSleeping: true, @@ -4862,6 +4909,17 @@ var Render = {}; render.context = render.canvas.getContext('2d'); render.textures = {}; + render.bounds = render.bounds || { + min: { + x: 0, + y: 0 + }, + max: { + x: render.options.width, + y: render.options.height + } + }; + Render.setBackground(render, render.options.background); if (Common.isElement(render.element)) { @@ -4913,8 +4971,10 @@ var Render = {}; canvas = render.canvas, context = render.context, options = render.options, - bodies = Composite.allBodies(world), - constraints = Composite.allConstraints(world), + allBodies = Composite.allBodies(world), + allConstraints = Composite.allConstraints(world), + bodies = [], + constraints = [], i; if (options.wireframes) { @@ -4929,8 +4989,39 @@ var Render = {}; context.fillRect(0, 0, canvas.width, canvas.height); context.globalCompositeOperation = 'source-over'; - /*if (options.showShadows && !options.wireframes) - Render.bodyShadows(engine, bodies, context);*/ + // handle bounds + if (options.hasBounds) { + // filter out bodies that are not in view + for (i = 0; i < allBodies.length; i++) { + var body = allBodies[i]; + if (Bounds.overlaps(body.bounds, render.bounds)) + bodies.push(body); + } + + // filter out constraints that are not in view + for (i = 0; i < allConstraints.length; i++) { + var constraint = allConstraints[i], + bodyA = constraint.bodyA, + bodyB = constraint.bodyB, + pointAWorld = constraint.pointA, + pointBWorld = constraint.pointB; + + if (bodyA) pointAWorld = Vector.add(bodyA.position, constraint.pointA); + if (bodyB) pointBWorld = Vector.add(bodyB.position, constraint.pointB); + + if (!pointAWorld || !pointBWorld) + continue; + + if (Bounds.contains(render.bounds, pointAWorld) || Bounds.contains(render.bounds, pointBWorld)) + constraints.push(constraint); + } + + // translate the view + context.translate(-render.bounds.min.x, -render.bounds.min.y); + } else { + constraints = allConstraints; + bodies = allBodies; + } if (!options.wireframes || (engine.enableSleeping && options.showSleeping)) { // fully featured rendering of bodies @@ -4965,6 +5056,9 @@ var Render = {}; if (options.showDebug) Render.debug(engine, context); + + if (options.hasBounds) + context.translate(render.bounds.min.x, render.bounds.min.y); }; /** @@ -5500,6 +5594,85 @@ var Render = {}; c.stroke(); }; + /** + * Description + * @method inspector + * @param {inspector} inspector + * @param {RenderingContext} context + */ + Render.inspector = function(inspector, context) { + var engine = inspector.engine, + mouse = engine.input.mouse, + selected = inspector.selected, + c = context, + render = engine.render, + options = render.options, + bounds; + + if (options.hasBounds) + context.translate(-render.bounds.min.x, -render.bounds.min.y); + + for (var i = 0; i < selected.length; i++) { + var item = selected[i].data; + + context.translate(0.5, 0.5); + context.lineWidth = 1; + context.strokeStyle = 'rgba(255,165,0,0.9)'; + context.setLineDash([1,2]); + + switch (item.type) { + + case 'body': + + // render body selections + bounds = item.bounds; + context.beginPath(); + context.rect(Math.floor(bounds.min.x - 3), Math.floor(bounds.min.y - 3), + Math.floor(bounds.max.x - bounds.min.x + 6), Math.floor(bounds.max.y - bounds.min.y + 6)); + context.closePath(); + context.stroke(); + + break; + + case 'constraint': + + // render constraint selections + var point = item.pointA; + if (item.bodyA) + point = item.pointB; + context.beginPath(); + context.arc(point.x, point.y, 10, 0, 2 * Math.PI); + context.closePath(); + context.stroke(); + + break; + + } + + context.setLineDash([0]); + context.translate(-0.5, -0.5); + } + + // render selection region + if (inspector.selectStart !== null) { + context.translate(0.5, 0.5); + context.lineWidth = 1; + context.strokeStyle = 'rgba(255,165,0,0.6)'; + context.fillStyle = 'rgba(255,165,0,0.1)'; + bounds = inspector.selectBounds; + context.beginPath(); + context.rect(Math.floor(bounds.min.x), Math.floor(bounds.min.y), + Math.floor(bounds.max.x - bounds.min.x), Math.floor(bounds.max.y - bounds.min.y)); + context.closePath(); + context.stroke(); + context.fill(); + context.translate(-0.5, -0.5); + } + + if (options.hasBounds) + context.translate(render.bounds.min.x, render.bounds.min.y); + }; + /** * Description * @method _createCanvas @@ -5919,6 +6092,1414 @@ var RenderPixi = {}; ; // End src/render/RenderPixi.js +// Begin src/tools/Gui.js + +/** +* See [Demo.js](https://github.com/liabru/matter-js/blob/master/demo/js/Demo.js) +* and [DemoMobile.js](https://github.com/liabru/matter-js/blob/master/demo/js/DemoMobile.js) for usage examples. +* +* @class Gui +*/ + +var Gui = {}; + +(function() { + + /** + * Description + * @method create + * @param {engine} engine + * @param {object} options + * @return {gui} A container for a configured dat.gui + */ + Gui.create = function(engine, options) { + var _datGuiSupported = window.dat && window.localStorage; + + if (!_datGuiSupported) { + console.log("Could not create GUI. Check dat.gui library is loaded first."); + return; + } + + var datGui = new dat.GUI(options); + + var gui = { + engine: engine, + datGui: datGui, + amount: 1, + size: 40, + sides: 4, + density: 0.001, + restitution: 0, + friction: 0.1, + frictionAir: 0.01, + offset: { x: 0, y: 0 }, + renderer: 'canvas' + }; + + if (Resurrect) { + gui.serializer = new Resurrect({ prefix: '$', cleanup: true }); + gui.serializer.parse = gui.serializer.resurrect; + } + + _initDatGui(gui); + + return gui; + }; + + /** + * Description + * @method update + * @param {gui} gui + * @param {datGui} datGui + */ + Gui.update = function(gui, datGui) { + var i; + datGui = datGui || gui.datGui; + + for (i in datGui.__folders) { + Gui.update(gui, datGui.__folders[i]); + } + + for (i in datGui.__controllers) { + var controller = datGui.__controllers[i]; + if (controller.updateDisplay) + controller.updateDisplay(); + } + }; + + /** + * Description + * @method closeAll + * @param {gui} gui + */ + Gui.closeAll = function(gui) { + var datGui = gui.datGui; + + for (var i in datGui.__folders) { + datGui.__folders[i].close(); + } + }; + + /** + * Saves world state to local storage + * @method saveState + * @param {object} serializer + * @param {engine} engine + * @param {string} key + */ + Gui.saveState = function(serializer, engine, key) { + if (localStorage && serializer) + localStorage.setItem(key, Gui.serialise(serializer, engine.world)); + }; + + /** + * Loads world state from local storage + * @method loadState + * @param {object} serializer + * @param {engine} engine + * @param {string} key + */ + Gui.loadState = function(serializer, engine, key) { + var loadedWorld; + + if (localStorage && serializer) + loadedWorld = serializer.parse(localStorage.getItem(key)); + + if (loadedWorld) + Engine.merge(engine, { world: loadedWorld }); + }; + + /** + * Serialises the object using the given serializer and a Matter-specific replacer + * @method serialise + * @param {object} serializer + * @param {object} object + * @param {number} indent + * @return {string} The serialised object + */ + Gui.serialise = function(serializer, object, indent) { + indent = indent || 0; + return serializer.stringify(object, function(key, value) { + // skip non-required values + if (key === 'path') + return undefined; + + // limit precision of floats + if (!/^#/.exec(key) && typeof value === 'number') { + var fixed = parseFloat(value.toFixed(3)); + + // do not limit if limiting will cause value to zero + // TODO: this should ideally dynamically find the SF precision required + if (fixed === 0 && value !== 0) + return value; + + return fixed; + } + + return value; + }, indent); + }; + + var _initDatGui = function(gui) { + var engine = gui.engine, + datGui = gui.datGui; + + var funcs = { + addBody: function() { _addBody(gui); }, + clear: function() { _clear(gui); }, + save: function() { Gui.saveState(gui.serializer, engine, 'guiState'); Events.trigger(gui, 'save'); }, + load: function() { Gui.loadState(gui.serializer, engine, 'guiState'); Events.trigger(gui, 'load'); }, + inspect: function() { + if (!Inspector.instance) + gui.inspector = Inspector.create(gui.engine); + } + }; + + var metrics = datGui.addFolder('Metrics'); + metrics.add(engine.timing, 'fps').listen(); + + if (engine.metrics.extended) { + metrics.add(engine.timing, 'delta').listen(); + metrics.add(engine.timing, 'correction').listen(); + metrics.add(engine.metrics, 'bodies').listen(); + metrics.add(engine.metrics, 'collisions').listen(); + metrics.add(engine.metrics, 'pairs').listen(); + metrics.add(engine.metrics, 'broadEff').listen(); + metrics.add(engine.metrics, 'midEff').listen(); + metrics.add(engine.metrics, 'narrowEff').listen(); + metrics.add(engine.metrics, 'narrowReuse').listen(); + metrics.close(); + } else { + metrics.open(); + } + + var controls = datGui.addFolder('Add Body'); + controls.add(gui, 'amount', 1, 5).step(1); + controls.add(gui, 'size', 5, 150).step(1); + controls.add(gui, 'sides', 1, 8).step(1); + controls.add(gui, 'density', 0.0001, 0.01).step(0.001); + controls.add(gui, 'friction', 0, 1).step(0.05); + controls.add(gui, 'frictionAir', 0, gui.frictionAir * 10).step(gui.frictionAir / 10); + controls.add(gui, 'restitution', 0, 1).step(0.1); + controls.add(funcs, 'addBody'); + controls.open(); + + var worldGui = datGui.addFolder('World'); + worldGui.add(funcs, 'inspect'); + worldGui.add(funcs, 'load'); + worldGui.add(funcs, 'save'); + worldGui.add(funcs, 'clear'); + worldGui.open(); + + var gravity = worldGui.addFolder('Gravity'); + gravity.add(engine.world.gravity, 'x', -1, 1).step(0.01); + gravity.add(engine.world.gravity, 'y', -1, 1).step(0.01); + gravity.open(); + + var physics = datGui.addFolder('Engine'); + physics.add(engine, 'enableSleeping'); + + physics.add(engine.broadphase, 'current', ['grid', 'bruteForce']) + .onFinishChange(function(value) { + Composite.setModified(engine.world, true, false, false); + }); + + physics.add(engine.timing, 'timeScale', 0, 1.2).step(0.05).listen(); + physics.add(engine, 'velocityIterations', 1, 10).step(1); + physics.add(engine, 'positionIterations', 1, 10).step(1); + physics.add(engine, 'enabled'); + physics.open(); + + var render = datGui.addFolder('Render'); + + render.add(gui, 'renderer', ['canvas', 'webgl']) + .onFinishChange(function(value) { _setRenderer(gui, value); }); + + render.add(engine.render.options, 'wireframes'); + render.add(engine.render.options, 'showDebug'); + render.add(engine.render.options, 'showPositions'); + render.add(engine.render.options, 'showBroadphase'); + render.add(engine.render.options, 'showBounds'); + render.add(engine.render.options, 'showVelocity'); + render.add(engine.render.options, 'showCollisions'); + render.add(engine.render.options, 'showAxes'); + render.add(engine.render.options, 'showAngleIndicator'); + render.add(engine.render.options, 'showSleeping'); + render.add(engine.render.options, 'showIds'); + render.add(engine.render.options, 'showShadows'); + render.add(engine.render.options, 'enabled'); + render.open(); + }; + + var _setRenderer = function(gui, rendererName) { + var engine = gui.engine, + controller; + + if (rendererName === 'canvas') + controller = Render; + + if (rendererName === 'webgl') + controller = RenderPixi; + + // remove old canvas + engine.render.element.removeChild(engine.render.canvas); + + // create new renderer using the same options object + var options = engine.render.options; + + engine.render = controller.create({ + element: engine.render.element, + options: options + }); + + engine.render.options = options; + + // bind the mouse to the new canvas + Mouse.setElement(engine.input.mouse, engine.render.canvas); + }; + + var _addBody = function(gui) { + var engine = gui.engine; + + var options = { + density: gui.density, + friction: gui.friction, + frictionAir: gui.frictionAir, + restitution: gui.restitution + }; + + for (var i = 0; i < gui.amount; i++) { + World.add(engine.world, Bodies.polygon(gui.offset.x + 120 + i * gui.size + i * 50, gui.offset.y + 200, gui.sides, gui.size, options)); + } + }; + + var _clear = function(gui) { + var engine = gui.engine; + + World.clear(engine.world, true); + Engine.clear(engine); + + // clear scene graph (if defined in controller) + var renderController = engine.render.controller; + if (renderController.clear) + renderController.clear(engine.render); + + Events.trigger(gui, 'clear'); + }; + + /* + * + * Events Documentation + * + */ + + /** + * Fired after the gui's clear button pressed + * + * @event clear + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the gui's save button pressed + * + * @event save + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the gui's load button pressed + * + * @event load + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + +})(); + +; // End src/tools/Gui.js + + +// Begin src/tools/Inspector.js + +/** +* See [Demo.js](https://github.com/liabru/matter-js/blob/master/demo/js/Demo.js) +* and [DemoMobile.js](https://github.com/liabru/matter-js/blob/master/demo/js/DemoMobile.js) for usage examples. +* +* @class Inspector +*/ + +var Inspector = {}; + +(function() { + + var _key, + _isWebkit = 'WebkitAppearance' in document.documentElement.style, + $body; + + /** + * Creates a new inspector tool and inserts it into the page. Requires keymaster, jQuery, jsTree libraries. + * @method create + * @param {engine} engine + * @param {object} options + * @return {inspector} An inspector + */ + Inspector.create = function(engine, options) { + if (!jQuery || !$.fn.jstree || !window.key) { + console.log('Could not create inspector. Check keymaster, jQuery, jsTree libraries are loaded first.'); + return; + } + + var inspector = { + engine: engine, + isPaused: false, + selected: [], + selectStart: null, + selectEnd: null, + selectBounds: Bounds.create(), + mousePrevPosition: { x: 0, y: 0 }, + offset: { x: 0, y: 0 }, + autoHide: true, + autoRewind: true, + hasTransitions: _isWebkit ? true : false, + bodyClass: '', + exportIndent: 0, + controls: { + container: null, + worldTree: null + }, + root: Composite.create({ + label: 'Root' + }) + }; + + inspector = Common.extend(inspector, options); + Inspector.instance = inspector; + + inspector.serializer = new Resurrect({ prefix: '$', cleanup: true }); + inspector.serializer.parse = inspector.serializer.resurrect; + localStorage.removeItem('pauseState'); + + $body = $('body'); + $body.toggleClass('ins-auto-hide gui-auto-hide', inspector.autoHide); + $body.toggleClass('ins-transitions gui-transitions', inspector.hasTransitions); + + Composite.add(inspector.root, engine.world); + engine.world.isModified = true; + engine.world.parent = null; + _key = window.key; + + _initControls(inspector); + _initEngineEvents(inspector); + _initTree(inspector); + _initKeybinds(inspector); + + return inspector; + }; + + var _initControls = function(inspector) { + var engine = inspector.engine, + controls = inspector.controls; + + var $inspectorContainer = $('
'), + $buttonGroup = $('
'), + $searchBox = $(''), + $importButton = $(''), + $exportButton = $(''), + $pauseButton = $(''), + $helpButton = $(''), + $addCompositeButton = $(''); + + $buttonGroup.append($pauseButton, $importButton, $exportButton, $helpButton); + $inspectorContainer.prepend($buttonGroup, $searchBox, $addCompositeButton); + $body.prepend($inspectorContainer); + + controls.pauseButton = $pauseButton; + controls.importButton = $importButton; + controls.exportButton = $exportButton; + controls.helpButton = $helpButton; + controls.searchBox = $searchBox; + controls.container = $inspectorContainer; + controls.addCompositeButton = $addCompositeButton; + + controls.pauseButton.click(function() { + _setPaused(inspector, !inspector.isPaused); + }); + + controls.exportButton.click(function() { + _exportFile(inspector); + }); + + controls.importButton.click(function() { + _importFile(inspector); + }); + + controls.helpButton.click(function() { + _showHelp(inspector); + }); + + controls.addCompositeButton.click(function() { + _addNewComposite(inspector); + }); + + var searchTimeout; + controls.searchBox.keyup(function () { + clearTimeout(searchTimeout); + searchTimeout = setTimeout(function () { + var value = controls.searchBox.val(), + worldTree = controls.worldTree.data('jstree'); + worldTree.search(value); + }, 250); + }); + }; + + var _showHelp = function(inspector) { + var help = "Matter Tools\n\n"; + + help += "Drag nodes in the tree to move them between composites.\n"; + help += "Use browser's developer console to inspect selected objects.\n"; + help += "Note: selections only render if renderer supports it.\n\n"; + + help += "[shift + space] pause or play simulation.\n"; + help += "[right click] and drag on empty space to select a region.\n"; + help += "[right click] and drag on an object to move it.\n"; + help += "[right click + shift] and drag to move whole selection.\n"; + help += "[del] or [backspace] delete selected objects.\n\n"; + + help += "[shift + s] scale-xy selected objects with mouse or arrows.\n"; + help += "[shift + s + d] scale-x selected objects with mouse or arrows.\n"; + help += "[shift + s + f] scale-y selected objects with mouse or arrows.\n"; + help += "[shift + r] rotate selected objects with mouse or arrows.\n\n"; + + help += "[shift + q] set selected objects as static (can't be undone).\n"; + help += "[shift + i] import objects.\n"; + help += "[shift + o] export selected objects.\n"; + help += "[shift + h] toggle Matter.Gui.\n"; + help += "[shift + y] toggle auto-hide.\n"; + help += "[shift + r] toggle auto-rewind on play/pause.\n\n"; + + help += "[shift + j] show this help message."; + + alert(help); + }; + + var _initKeybinds = function(inspector) { + var engine = inspector.engine, + controls = inspector.controls; + + _key('shift+space', function() { + _setPaused(inspector, !inspector.isPaused); + }); + + _key('shift+o', function() { + _exportFile(inspector); + }); + + _key('shift+i', function() { + _importFile(inspector); + }); + + _key('shift+j', function() { + _showHelp(inspector); + }); + + _key('shift+y', function() { + inspector.autoHide = !inspector.autoHide; + $body.toggleClass('ins-auto-hide gui-auto-hide', inspector.autoHide); + }); + + _key('shift+r', function() { + inspector.autoRewind = !inspector.autoRewind; + if (!inspector.autoRewind) + localStorage.removeItem('pauseState'); + }); + + _key('shift+q', function() { + var worldTree = inspector.controls.worldTree.data('jstree'); + for (var i = 0; i < inspector.selected.length; i++) { + var object = inspector.selected[i].data; + if (object.type === 'body' && !object.isStatic) + Body.setStatic(object, true); + } + }); + + _key('del', function() { + _deleteSelectedObjects(inspector); + }); + + _key('backspace', function() { + _deleteSelectedObjects(inspector); + }); + + // prevent the backspace key from navigating back + // http://stackoverflow.com/questions/1495219/how-can-i-prevent-the-backspace-key-from-navigating-back + $(document).unbind('keydown').bind('keydown', function (event) { + var doPrevent = false; + if (event.keyCode === 8) { + var d = event.srcElement || event.target; + if ((d.tagName.toUpperCase() === 'INPUT' && (d.type.toUpperCase() === 'TEXT' || d.type.toUpperCase() === 'PASSWORD' || d.type.toUpperCase() === 'FILE' || d.type.toUpperCase() === 'EMAIL' || d.type.toUpperCase() === 'SEARCH')) || d.tagName.toUpperCase() === 'TEXTAREA') { + doPrevent = d.readOnly || d.disabled; + } + else { + doPrevent = true; + } + } + + if (doPrevent) { + event.preventDefault(); + } + }); + }; + + var _initTree = function(inspector) { + var engine = inspector.engine, + controls = inspector.controls, + deferTimeout; + + var worldTreeOptions = { + 'core': { + 'check_callback': true + }, + 'dnd': { + 'copy': false + }, + 'search': { + 'show_only_matches': true, + 'fuzzy': false + }, + 'types': { + '#': { + 'valid_children': [] + }, + 'body': { + 'valid_children': [] + }, + 'constraint': { + 'valid_children': [] + }, + 'composite': { + 'valid_children': [] + }, + 'bodies': { + 'valid_children': ['body'] + }, + 'constraints': { + 'valid_children': ['constraint'] + }, + 'composites': { + 'valid_children': ['composite'] + } + }, + 'plugins' : ['dnd', 'types', 'unique', 'search'] + }; + + controls.worldTree = $('
').jstree(worldTreeOptions); + controls.container.prepend(controls.worldTree); + + controls.worldTree.on('changed.jstree', function(event, data) { + var selected = [], + worldTree = controls.worldTree.data('jstree'); + + if (data.action !== 'select_node') + return; + + // defer selection update until selection has finished propagating + clearTimeout(deferTimeout); + deferTimeout = setTimeout(function() { + data.selected = worldTree.get_selected(); + + for (var i = 0; i < data.selected.length; i++) { + var nodeId = data.selected[i], + objectType = nodeId.split('_')[0], + objectId = nodeId.split('_')[1], + worldObject = Composite.get(engine.world, objectId, objectType); + + switch (objectType) { + case 'body': + case 'constraint': + case 'composite': + selected.push(worldObject); + break; + } + } + + _setSelectedObjects(inspector, selected); + + }, 1); + }); + + $(document).on('dnd_stop.vakata', function(event, data) { + var worldTree = controls.worldTree.data('jstree'), + nodes = data.data.nodes; + + // handle drag and drop + // move items between composites + for (var i = 0; i < nodes.length; i++) { + var node = worldTree.get_node(nodes[i]), + parentNode = worldTree.get_node(worldTree.get_parent(nodes[i])), + prevCompositeId = node.data.compositeId, + newCompositeId = parentNode.data.compositeId; + + if (prevCompositeId === newCompositeId) + continue; + + var nodeId = nodes[i], + objectType = nodeId.split('_')[0], + objectId = nodeId.split('_')[1], + worldObject = Composite.get(inspector.root, objectId, objectType), + prevComposite = Composite.get(inspector.root, prevCompositeId, 'composite'), + newComposite = Composite.get(inspector.root, newCompositeId, 'composite'); + + Composite.move(prevComposite, worldObject, newComposite); + } + }); + + controls.worldTree.on('dblclick.jstree', function(event, data) { + var worldTree = controls.worldTree.data('jstree'), + selected = worldTree.get_selected(); + + // select all children of double clicked node + for (var i = 0; i < selected.length; i++) { + var nodeId = selected[i], + objectType = nodeId.split('_')[0], + objectId = nodeId.split('_')[1], + worldObject = Composite.get(engine.world, objectId, objectType); + + switch (objectType) { + case 'composite': + case 'composites': + case 'bodies': + case 'constraints': + var node = worldTree.get_node(nodeId), + children = worldTree.get_node(nodeId).children; + + for (var j = 0; j < children.length; j++) + worldTree.select_node(children[j], false); + + break; + } + } + }); + }; + + var _addBodyClass = function(inspector, classNames) { + // only apply changes to prevent DOM lag + if (inspector.bodyClass.indexOf(' ' + classNames) === -1) { + $body.addClass(classNames); + inspector.bodyClass = ' ' + $body.attr('class'); + } + }; + + var _removeBodyClass = function(inspector, classNames) { + // only apply changes to prevent DOM lag + var updateRequired = false, + classes = classNames.split(' '); + + for (var i = 0; i < classes.length; i++) { + updateRequired = inspector.bodyClass.indexOf(' ' + classes[i]) !== -1; + if (updateRequired) + break; + } + + if (updateRequired) { + $body.removeClass(classNames); + inspector.bodyClass = ' ' + $body.attr('class'); + } + }; + + var _getMousePosition = function(inspector) { + return Vector.add(inspector.engine.input.mouse.position, inspector.offset); + }; + + var _initEngineEvents = function(inspector) { + var engine = inspector.engine, + mouse = engine.input.mouse, + mousePosition = _getMousePosition(inspector), + controls = inspector.controls; + + Events.on(engine, 'tick', function() { + // update mouse position reference + mousePosition = _getMousePosition(inspector); + + var mouseDelta = mousePosition.x - inspector.mousePrevPosition.x, + keyDelta = _key.isPressed('up') + _key.isPressed('right') - _key.isPressed('down') - _key.isPressed('left'), + delta = mouseDelta + keyDelta; + + // update interface when world changes + if (engine.world.isModified) { + var data = _generateCompositeTreeNode(inspector.root, null, true); + _updateTree(controls.worldTree.data('jstree'), data); + _setSelectedObjects(inspector, []); + } + + // update region selection + if (inspector.selectStart !== null) { + inspector.selectEnd.x = mousePosition.x; + inspector.selectEnd.y = mousePosition.y; + Bounds.update(inspector.selectBounds, [inspector.selectStart, inspector.selectEnd]); + } + + // rotate mode + if (_key.shift && _key.isPressed('r')) { + var rotateSpeed = 0.03, + angle = Math.max(-2, Math.min(2, delta)) * rotateSpeed; + + _addBodyClass(inspector, 'ins-cursor-rotate'); + _rotateSelectedObjects(inspector, angle); + } else { + _removeBodyClass(inspector, 'ins-cursor-rotate'); + } + + // scale mode + if (_key.shift && _key.isPressed('s')) { + var scaleSpeed = 0.02, + scale = 1 + Math.max(-2, Math.min(2, delta)) * scaleSpeed; + + _addBodyClass(inspector, 'ins-cursor-scale'); + + if (_key.isPressed('d')) { + scaleX = scale; + scaleY = 1; + } else if (_key.isPressed('f')) { + scaleX = 1; + scaleY = scale; + } else { + scaleX = scaleY = scale; + } + + _scaleSelectedObjects(inspector, scaleX, scaleY); + } else { + _removeBodyClass(inspector, 'ins-cursor-scale'); + } + + // translate mode + if (mouse.button === 2 && !mouse.sourceEvents.mousedown && !mouse.sourceEvents.mouseup) { + _addBodyClass(inspector, 'ins-cursor-move'); + _moveSelectedObjects(inspector, mousePosition.x, mousePosition.y); + } else { + _removeBodyClass(inspector, 'ins-cursor-move'); + } + + inspector.mousePrevPosition = Common.clone(mousePosition); + }); + + Events.on(engine, 'mouseup', function(event) { + // select objects in region if making a region selection + if (inspector.selectStart !== null) { + var selected = Query.region(Composite.allBodies(engine.world), inspector.selectBounds); + _setSelectedObjects(inspector, selected); + } + + // clear selection region + inspector.selectStart = null; + inspector.selectEnd = null; + Events.trigger(inspector, 'selectEnd'); + }); + + Events.on(engine, 'mousedown', function(event) { + var engine = event.source, + bodies = Composite.allBodies(engine.world), + constraints = Composite.allConstraints(engine.world), + isUnionSelect = _key.shift || _key.control, + worldTree = inspector.controls.worldTree.data('jstree'), + i; + + if (mouse.button === 2) { + var hasSelected = false; + + for (i = 0; i < bodies.length; i++) { + var body = bodies[i]; + + if (Bounds.contains(body.bounds, mousePosition) && Vertices.contains(body.vertices, mousePosition)) { + + if (isUnionSelect) { + _addSelectedObject(inspector, body); + } else { + _setSelectedObjects(inspector, [body]); + } + + hasSelected = true; + break; + } + } + + if (!hasSelected) { + for (i = 0; i < constraints.length; i++) { + var constraint = constraints[i], + bodyA = constraint.bodyA, + bodyB = constraint.bodyB; + + if (constraint.label.indexOf('Mouse Constraint') !== -1) + continue; + + var pointAWorld = constraint.pointA, + pointBWorld = constraint.pointB; + + if (bodyA) pointAWorld = Vector.add(bodyA.position, constraint.pointA); + if (bodyB) pointBWorld = Vector.add(bodyB.position, constraint.pointB); + + if (!pointAWorld || !pointBWorld) + continue; + + var distA = Vector.magnitudeSquared(Vector.sub(mousePosition, pointAWorld)), + distB = Vector.magnitudeSquared(Vector.sub(mousePosition, pointBWorld)); + + if (distA < 100 || distB < 100) { + if (isUnionSelect) { + _addSelectedObject(inspector, constraint); + } else { + _setSelectedObjects(inspector, [constraint]); + } + + hasSelected = true; + break; + } + } + + if (!hasSelected) { + worldTree.deselect_all(true); + _setSelectedObjects(inspector, []); + + inspector.selectStart = Common.clone(mousePosition); + inspector.selectEnd = Common.clone(mousePosition); + Bounds.update(inspector.selectBounds, [inspector.selectStart, inspector.selectEnd]); + + Events.trigger(inspector, 'selectStart'); + } else { + inspector.selectStart = null; + inspector.selectEnd = null; + } + } + } + + if (mouse.button === 2 && inspector.selected.length > 0) { + _addBodyClass(inspector, 'ins-cursor-move'); + + _updateSelectedMouseDownOffset(inspector); + } + }); + + // render hook + Events.on(engine, 'afterRender', function() { + var renderController = engine.render.controller, + context = engine.render.context; + if (renderController.inspector) + renderController.inspector(inspector, context); + }); + }; + + var _deleteSelectedObjects = function(inspector) { + var objects = [], + object, + worldTree = inspector.controls.worldTree.data('jstree'), + i; + + // delete objects in world + for (i = 0; i < inspector.selected.length; i++) { + object = inspector.selected[i].data; + if (object !== inspector.engine.world) + objects.push(object); + } + + // also delete non-world composites (selected only in the UI tree) + var selectedNodes = worldTree.get_selected(); + for (i = 0; i < selectedNodes.length; i++) { + var node = worldTree.get_node(selectedNodes[i]); + if (node.type === 'composite') { + node = worldTree.get_node(node.children[0]); + if (node.data) { + var compositeId = node.data.compositeId; + object = Composite.get(inspector.root, compositeId, 'composite'); + if (object && object !== inspector.engine.world) { + objects.push(object); + worldTree.delete_node(selectedNodes[i]); + } + } + } + } + + Composite.remove(inspector.root, objects, true); + _setSelectedObjects(inspector, []); + }; + + var _updateSelectedMouseDownOffset = function(inspector) { + var selected = inspector.selected, + mouse = inspector.engine.input.mouse, + mousePosition = _getMousePosition(inspector), + item, + data; + + for (var i = 0; i < selected.length; i++) { + item = selected[i]; + data = item.data; + + if (data.position) { + item.mousedownOffset = { + x: mousePosition.x - data.position.x, + y: mousePosition.y - data.position.y + }; + } else if (data.pointA && !data.bodyA) { + item.mousedownOffset = { + x: mousePosition.x - data.pointA.x, + y: mousePosition.y - data.pointA.y + }; + } else if (data.pointB && !data.bodyB) { + item.mousedownOffset = { + x: mousePosition.x - data.pointB.x, + y: mousePosition.y - data.pointB.y + }; + } + } + }; + + var _moveSelectedObjects = function(inspector, x, y) { + var selected = inspector.selected, + mouse = inspector.engine.input.mouse, + mousePosition = _getMousePosition(inspector), + item, + data; + + for (var i = 0; i < selected.length; i++) { + item = selected[i]; + data = item.data; + + if (!item.mousedownOffset) + continue; + + switch (data.type) { + + case 'body': + var delta = { + x: x - data.position.x - item.mousedownOffset.x, + y: y - data.position.y - item.mousedownOffset.y + }; + + Body.translate(data, delta); + data.positionPrev.x = data.position.x; + data.positionPrev.y = data.position.y; + + break; + + case 'constraint': + var point = data.pointA; + if (data.bodyA) + point = data.pointB; + + point.x = x - item.mousedownOffset.x; + point.y = y - item.mousedownOffset.y; + + var initialPointA = data.bodyA ? Vector.add(data.bodyA.position, data.pointA) : data.pointA, + initialPointB = data.bodyB ? Vector.add(data.bodyB.position, data.pointB) : data.pointB; + + data.length = Vector.magnitude(Vector.sub(initialPointA, initialPointB)); + + break; + + } + } + }; + + var _scaleSelectedObjects = function(inspector, scaleX, scaleY) { + var selected = inspector.selected, + item, + data; + + for (var i = 0; i < selected.length; i++) { + item = selected[i]; + data = item.data; + + switch (data.type) { + case 'body': + Body.scale(data, scaleX, scaleY, data.position); + + if (data.circleRadius) + data.circleRadius *= scaleX; + + break; + } + } + }; + + var _rotateSelectedObjects = function(inspector, angle) { + var selected = inspector.selected, + item, + data; + + for (var i = 0; i < selected.length; i++) { + item = selected[i]; + data = item.data; + + switch (data.type) { + case 'body': + Body.rotate(data, angle); + break; + } + } + }; + + var _setPaused = function(inspector, isPaused) { + if (isPaused) { + if (inspector.autoRewind) { + _setSelectedObjects(inspector, []); + Gui.loadState(inspector.serializer, inspector.engine, 'pauseState'); + } + + inspector.engine.timing.timeScale = 0; + inspector.isPaused = true; + inspector.controls.pauseButton.text('Play'); + + Events.trigger(inspector, 'paused'); + } else { + if (inspector.autoRewind) { + Gui.saveState(inspector.serializer, inspector.engine, 'pauseState'); + } + + inspector.engine.timing.timeScale = 1; + inspector.isPaused = false; + inspector.controls.pauseButton.text('Pause'); + + Events.trigger(inspector, 'play'); + } + }; + + var _setSelectedObjects = function(inspector, objects) { + var worldTree = inspector.controls.worldTree.data('jstree'), + selectedItems = [], + data, + i; + + for (i = 0; i < inspector.selected.length; i++) { + data = inspector.selected[i].data; + worldTree.deselect_node(data.type + '_' + data.id, true); + } + + inspector.selected = []; + console.clear(); + + for (i = 0; i < objects.length; i++) { + data = objects[i]; + + if (data) { + // add the object to the selection + _addSelectedObject(inspector, data); + + // log selected objects to console for property inspection + if (i < 5) { + console.log(data.label + ' ' + data.id + ': %O', data); + } else if (i === 6) { + console.warn('Omitted inspecting ' + (objects.length - 5) + ' more objects'); + } + } + } + }; + + var _addSelectedObject = function(inspector, object) { + if (!object) + return; + + var worldTree = inspector.controls.worldTree.data('jstree'); + inspector.selected.push({ data: object }); + worldTree.select_node(object.type + '_' + object.id, true); + }; + + var _updateTree = function(tree, data) { + data[0].state = data[0].state || { opened: true }; + tree.settings.core.data = data; + tree.refresh(-1); + }; + + var _generateCompositeTreeNode = function(composite, compositeId, isRoot) { + var children = [], + node = { + id: 'composite_' + composite.id, + data: { + compositeId: compositeId, + }, + type: 'composite', + text: (composite.label ? composite.label : 'Composite') + ' ' + composite.id, + 'li_attr': { + 'class': 'jstree-node-type-composite' + } + }; + + var childNode = _generateCompositesTreeNode(composite.composites, composite.id); + childNode.id = 'composites_' + composite.id; + children.push(childNode); + + if (isRoot) + return childNode.children; + + childNode = _generateBodiesTreeNode(composite.bodies, composite.id); + childNode.id = 'bodies_' + composite.id; + children.push(childNode); + + childNode = _generateConstraintsTreeNode(composite.constraints, composite.id); + childNode.id = 'constraints_' + composite.id; + children.push(childNode); + + node.children = children; + + return node; + }; + + var _generateCompositesTreeNode = function(composites, compositeId) { + var node = { + type: 'composites', + text: 'Composites', + data: { + compositeId: compositeId, + }, + children: [], + 'li_attr': { + 'class': 'jstree-node-type-composites' + } + }; + + for (var i = 0; i < composites.length; i++) { + var composite = composites[i]; + node.children.push(_generateCompositeTreeNode(composite, compositeId)); + } + + return node; + }; + + var _generateBodiesTreeNode = function(bodies, compositeId) { + var node = { + type: 'bodies', + text: 'Bodies', + data: { + compositeId: compositeId, + }, + children: [], + 'li_attr': { + 'class': 'jstree-node-type-bodies' + } + }; + + for (var i = 0; i < bodies.length; i++) { + var body = bodies[i]; + node.children.push({ + type: 'body', + id: 'body_' + body.id, + data: { + compositeId: compositeId, + }, + text: (body.label ? body.label : 'Body') + ' ' + body.id, + 'li_attr': { + 'class': 'jstree-node-type-body' + } + }); + } + + return node; + }; + + var _generateConstraintsTreeNode = function(constraints, compositeId) { + var node = { + type: 'constraints', + text: 'Constraints', + data: { + compositeId: compositeId, + }, + children: [], + 'li_attr': { + 'class': 'jstree-node-type-constraints' + } + }; + + for (var i = 0; i < constraints.length; i++) { + var constraint = constraints[i]; + node.children.push({ + type: 'constraint', + id: 'constraint_' + constraint.id, + data: { + compositeId: compositeId, + }, + text: (constraint.label ? constraint.label : 'Constraint') + ' ' + constraint.id, + 'li_attr': { + 'class': 'jstree-node-type-constraint' + } + }); + } + + return node; + }; + + var _addNewComposite = function(inspector) { + var newComposite = Composite.create(); + + Composite.add(inspector.root, newComposite); + + // move new composite to the start so that it appears top of tree + inspector.root.composites.splice(inspector.root.composites.length - 1, 1); + inspector.root.composites.unshift(newComposite); + + Composite.setModified(inspector.engine.world, true, true, false); + }; + + var _exportFile = function(inspector) { + var engine = inspector.engine, + toExport = []; + + if (inspector.selected.length === 0) { + alert('No objects were selected, so export could not be created. Can only export objects that are in the World composite.'); + return; + } + + var fileName = 'export-objects', + exportComposite = Composite.create({ + label: 'Exported Objects' + }); + + // add everything else, must be in top-down order + for (var i = 0; i < inspector.selected.length; i++) { + var object = inspector.selected[i].data; + + // skip if it's already in the composite tree + // this means orphans will be added in the root + if (Composite.get(exportComposite, object.id, object.type)) + continue; + + Composite.add(exportComposite, object); + + // better filename for small exports + if (inspector.selected.length === 1) + fileName = 'export-' + object.label + '-' + object.id; + } + + // santise filename + fileName = fileName.toLowerCase().replace(/[^\w\-]/g, '') + '.json'; + + // serialise + var json = Gui.serialise(inspector.serializer, exportComposite, inspector.exportIndent); + + // launch export download + if (_isWebkit) { + var blob = new Blob([json], { type: 'application/json' }), + anchor = document.createElement('a'); + anchor.download = fileName; + anchor.href = (window.webkitURL || window.URL).createObjectURL(blob); + anchor.dataset.downloadurl = ['application/json', anchor.download, anchor.href].join(':'); + anchor.click(); + } else { + window.open('data:application/json;charset=utf-8,' + escape(json)); + } + + Events.trigger(inspector, 'export'); + }; + + var _importFile = function(inspector) { + var engine = inspector.engine, + element = document.createElement('div'), + fileInput; + + element.innerHTML = ''; + fileInput = element.firstChild; + + fileInput.addEventListener('change', function(e) { + var file = fileInput.files[0]; + + if (file.name.match(/\.(txt|json)$/)) { + var reader = new FileReader(); + + reader.onload = function(e) { + var importedComposite = inspector.serializer.parse(reader.result); + + if (importedComposite) { + importedComposite.label = 'Imported Objects'; + + Composite.rebase(importedComposite); + Composite.add(inspector.root, importedComposite); + + // move imported composite to the start so that it appears top of tree + inspector.root.composites.splice(inspector.root.composites.length - 1, 1); + inspector.root.composites.unshift(importedComposite); + + var worldTree = inspector.controls.worldTree.data('jstree'), + data = _generateCompositeTreeNode(inspector.root, null, true); + _updateTree(worldTree, data); + } + }; + + reader.readAsText(file); + } else { + alert('File not supported, .json or .txt JSON files only'); + } + }); + + fileInput.click(); + }; + + /* + * + * Events Documentation + * + */ + + /** + * Fired after the inspector's import button pressed + * + * @event export + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the inspector's export button pressed + * + * @event import + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the inspector user starts making a selection + * + * @event selectStart + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the inspector user ends making a selection + * + * @event selectEnd + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the inspector is paused + * + * @event pause + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + + /** + * Fired after the inspector is played + * + * @event play + * @param {} event An event object + * @param {} event.source The source object of the event + * @param {} event.name The name of the event + */ + +})(); + +; // End src/tools/Inspector.js + + // aliases World.add = Composite.add; @@ -5957,6 +7538,8 @@ Matter.Gui = Gui; Matter.Render = Render; Matter.RenderPixi = RenderPixi; Matter.Events = Events; +Matter.Query = Query; +Matter.Inspector = Inspector; // CommonJS module if (typeof exports !== 'undefined') { diff --git a/build/matter.min.js b/build/matter.min.js index 9668e13..b883592 100644 --- a/build/matter.min.js +++ b/build/matter.min.js @@ -1,8 +1,9 @@ /** -* matter.min.js 0.7.0-edge 2014-04-01 +* matter.min.js 0.7.0-edge 2014-05-01 * http://brm.io/matter-js/ * License: MIT */ -!function(){var a={},b={};!function(){var a=0,c=1;b.create=function(a){var 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