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release 0.14.0

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liabru 2017-11-30 00:16:03 +00:00
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commit b5dc3b231d
5 changed files with 266 additions and 184 deletions
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22
CHANGELOG.md
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@ -1,3 +1,25 @@
<a name="0.14.0"></a>
# 0.14.0 (2017-11-30)
* added .eslintignore ([2279e15](https://github.com/liabru/matter-js/commit/2279e15))
* added examples build task ([6108a31](https://github.com/liabru/matter-js/commit/6108a31))
* added missing docs for Matter.World aliases ([841bf97](https://github.com/liabru/matter-js/commit/841bf97))
* added Query.collides, closes #478 ([6593a72](https://github.com/liabru/matter-js/commit/6593a72)), closes [#478](https://github.com/liabru/matter-js/issues/478)
* change examples to render using a fixed resolution ([0895d81](https://github.com/liabru/matter-js/commit/0895d81))
* Do not warn on missing render.element if the canvas is already parented (because it was passed in at ([a529ec9](https://github.com/liabru/matter-js/commit/a529ec9))
* fix `point` argument of Body.scale, closes #428 ([894c1ef](https://github.com/liabru/matter-js/commit/894c1ef)), closes [#428](https://github.com/liabru/matter-js/issues/428)
* fix Body.scale for compound bodies ([50a89d0](https://github.com/liabru/matter-js/commit/50a89d0))
* fix centroid for static compound bodies, closes #483 ([ece66e6](https://github.com/liabru/matter-js/commit/ece66e6)), closes [#483](https://github.com/liabru/matter-js/issues/483)
* fix Common.isElement, closes #501, closes #507, closes #459, closes #468, closes #517 ([18a0845](https://github.com/liabru/matter-js/commit/18a0845)), closes [#501](https://github.com/liabru/matter-js/issues/501) [#507](https://github.com/liabru/matter-js/issues/507) [#459](https://github.com/liabru/matter-js/issues/459) [#468](https://github.com/liabru/matter-js/issues/468) [#517](https://github.com/liabru/matter-js/issues/517)
* fix inertia change in Body.setMass, closes #378 ([f7d1877](https://github.com/liabru/matter-js/commit/f7d1877)), closes [#378](https://github.com/liabru/matter-js/issues/378)
* fix Vertices.chamfer radius argument, closes #467 ([3bceef4](https://github.com/liabru/matter-js/commit/3bceef4)), closes [#467](https://github.com/liabru/matter-js/issues/467)
* improved docs for constraints on compound bodies, closes #442 ([3307760](https://github.com/liabru/matter-js/commit/3307760)), closes [#442](https://github.com/liabru/matter-js/issues/442)
* moved all private functions to module namespaces ([64be5a5](https://github.com/liabru/matter-js/commit/64be5a5))
* moved private Matter.Engine functions on to namespace, closes #523 ([9eae36f](https://github.com/liabru/matter-js/commit/9eae36f)), closes [#523](https://github.com/liabru/matter-js/issues/523)
* remove spelling mistake ([e5c4b47](https://github.com/liabru/matter-js/commit/e5c4b47))
<a name="0.13.0"></a> <a name="0.13.0"></a>
# 0.13.0 (2017-07-06) # 0.13.0 (2017-07-06)

2
bower.json
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@ -1,6 +1,6 @@
{ {
"name": "Matter", "name": "Matter",
"version": "0.13.0", "version": "0.14.0",
"homepage": "https://github.com/liabru/matter-js", "homepage": "https://github.com/liabru/matter-js",
"authors": [ "authors": [
"Liam Brummitt <liam@brm.io> (http://brm.io/)" "Liam Brummitt <liam@brm.io> (http://brm.io/)"

249
build/matter.js
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@ -1,5 +1,5 @@
/** /**
* matter-js 0.13.0 by @liabru 2017-07-06 * matter-js 0.14.0 by @liabru 2017-11-30
* http://brm.io/matter-js/ * http://brm.io/matter-js/
* License MIT * License MIT
*/ */
@ -306,19 +306,23 @@ var Axes = _dereq_('../geometry/Axes');
}; };
/** /**
* Sets the mass of the body. Inverse mass and density are automatically updated to reflect the change. * Sets the mass of the body. Inverse mass, density and inertia are automatically updated to reflect the change.
* @method setMass * @method setMass
* @param {body} body * @param {body} body
* @param {number} mass * @param {number} mass
*/ */
Body.setMass = function(body, mass) { Body.setMass = function(body, mass) {
var moment = body.inertia / (body.mass / 6);
body.inertia = moment * (mass / 6);
body.inverseInertia = 1 / body.inertia;
body.mass = mass; body.mass = mass;
body.inverseMass = 1 / body.mass; body.inverseMass = 1 / body.mass;
body.density = body.mass / body.area; body.density = body.mass / body.area;
}; };
/** /**
* Sets the density of the body. Mass is automatically updated to reflect the change. * Sets the density of the body. Mass and inertia are automatically updated to reflect the change.
* @method setDensity * @method setDensity
* @param {body} body * @param {body} body
* @param {number} density * @param {number} density
@ -426,7 +430,7 @@ var Axes = _dereq_('../geometry/Axes');
} }
// sum the properties of all compound parts of the parent body // sum the properties of all compound parts of the parent body
var total = _totalProperties(body); var total = Body._totalProperties(body);
body.area = total.area; body.area = total.area;
body.parent = body; body.parent = body;
@ -552,29 +556,50 @@ var Axes = _dereq_('../geometry/Axes');
* @param {vector} [point] * @param {vector} [point]
*/ */
Body.scale = function(body, scaleX, scaleY, point) { Body.scale = function(body, scaleX, scaleY, point) {
var totalArea = 0,
totalInertia = 0;
point = point || body.position;
for (var i = 0; i < body.parts.length; i++) { for (var i = 0; i < body.parts.length; i++) {
var part = body.parts[i]; var part = body.parts[i];
// scale vertices // scale vertices
Vertices.scale(part.vertices, scaleX, scaleY, body.position); Vertices.scale(part.vertices, scaleX, scaleY, point);
// update properties // update properties
part.axes = Axes.fromVertices(part.vertices); part.axes = Axes.fromVertices(part.vertices);
if (!body.isStatic) {
part.area = Vertices.area(part.vertices); part.area = Vertices.area(part.vertices);
Body.setMass(part, body.density * part.area); Body.setMass(part, body.density * part.area);
// update inertia (requires vertices to be at origin) // update inertia (requires vertices to be at origin)
Vertices.translate(part.vertices, { x: -part.position.x, y: -part.position.y }); Vertices.translate(part.vertices, { x: -part.position.x, y: -part.position.y });
Body.setInertia(part, Vertices.inertia(part.vertices, part.mass)); Body.setInertia(part, Body._inertiaScale * Vertices.inertia(part.vertices, part.mass));
Vertices.translate(part.vertices, { x: part.position.x, y: part.position.y }); Vertices.translate(part.vertices, { x: part.position.x, y: part.position.y });
if (i > 0) {
totalArea += part.area;
totalInertia += part.inertia;
} }
// scale position
part.position.x = point.x + (part.position.x - point.x) * scaleX;
part.position.y = point.y + (part.position.y - point.y) * scaleY;
// update bounds // update bounds
Bounds.update(part.bounds, part.vertices, body.velocity); Bounds.update(part.bounds, part.vertices, body.velocity);
} }
// handle parent body
if (body.parts.length > 1) {
body.area = totalArea;
if (!body.isStatic) {
Body.setMass(body, body.density * totalArea);
Body.setInertia(body, totalInertia);
}
}
// handle circles // handle circles
if (body.circleRadius) { if (body.circleRadius) {
if (scaleX === scaleY) { if (scaleX === scaleY) {
@ -584,13 +609,6 @@ var Axes = _dereq_('../geometry/Axes');
body.circleRadius = null; body.circleRadius = null;
} }
} }
if (!body.isStatic) {
var total = _totalProperties(body);
body.area = total.area;
Body.setMass(body, total.mass);
Body.setInertia(body, total.inertia);
}
}; };
/** /**
@ -671,7 +689,7 @@ var Axes = _dereq_('../geometry/Axes');
* @param {body} body * @param {body} body
* @return {} * @return {}
*/ */
var _totalProperties = function(body) { Body._totalProperties = function(body) {
// from equations at: // from equations at:
// https://ecourses.ou.edu/cgi-bin/ebook.cgi?doc=&topic=st&chap_sec=07.2&page=theory // https://ecourses.ou.edu/cgi-bin/ebook.cgi?doc=&topic=st&chap_sec=07.2&page=theory
// http://output.to/sideway/default.asp?qno=121100087 // http://output.to/sideway/default.asp?qno=121100087
@ -685,16 +703,16 @@ var Axes = _dereq_('../geometry/Axes');
// sum the properties of all compound parts of the parent body // sum the properties of all compound parts of the parent body
for (var i = body.parts.length === 1 ? 0 : 1; i < body.parts.length; i++) { for (var i = body.parts.length === 1 ? 0 : 1; i < body.parts.length; i++) {
var part = body.parts[i]; var part = body.parts[i],
properties.mass += part.mass; mass = part.mass !== Infinity ? part.mass : 1;
properties.mass += mass;
properties.area += part.area; properties.area += part.area;
properties.inertia += part.inertia; properties.inertia += part.inertia;
properties.centre = Vector.add(properties.centre, properties.centre = Vector.add(properties.centre, Vector.mult(part.position, mass));
Vector.mult(part.position, part.mass !== Infinity ? part.mass : 1));
} }
properties.centre = Vector.div(properties.centre, properties.centre = Vector.div(properties.centre, properties.mass);
properties.mass !== Infinity ? properties.mass : body.parts.length);
return properties; return properties;
}; };
@ -1989,6 +2007,23 @@ var Common = _dereq_('../core/Common');
// World is a Composite body // World is a Composite body
// see src/module/Outro.js for these aliases: // see src/module/Outro.js for these aliases:
/**
* An alias for Composite.add
* @method add
* @param {world} world
* @param {} object
* @return {composite} The original world with the objects added
*/
/**
* An alias for Composite.remove
* @method remove
* @param {world} world
* @param {} object
* @param {boolean} [deep=false]
* @return {composite} The original world with the objects removed
*/
/** /**
* An alias for Composite.clear * An alias for Composite.clear
* @method clear * @method clear
@ -1997,7 +2032,7 @@ var Common = _dereq_('../core/Common');
*/ */
/** /**
* An alias for Composite.add * An alias for Composite.addComposite
* @method addComposite * @method addComposite
* @param {world} world * @param {world} world
* @param {composite} composite * @param {composite} composite
@ -2238,7 +2273,7 @@ var Common = _dereq_('../core/Common');
|| body.bounds.max.y < world.bounds.min.y || body.bounds.min.y > world.bounds.max.y) || body.bounds.max.y < world.bounds.min.y || body.bounds.min.y > world.bounds.max.y)
continue; continue;
var newRegion = _getRegion(grid, body); var newRegion = Grid._getRegion(grid, body);
// if the body has changed grid region // if the body has changed grid region
if (!body.region || newRegion.id !== body.region.id || forceUpdate) { if (!body.region || newRegion.id !== body.region.id || forceUpdate) {
@ -2247,13 +2282,13 @@ var Common = _dereq_('../core/Common');
if (!body.region || forceUpdate) if (!body.region || forceUpdate)
body.region = newRegion; body.region = newRegion;
var union = _regionUnion(newRegion, body.region); var union = Grid._regionUnion(newRegion, body.region);
// update grid buckets affected by region change // update grid buckets affected by region change
// iterate over the union of both regions // iterate over the union of both regions
for (col = union.startCol; col <= union.endCol; col++) { for (col = union.startCol; col <= union.endCol; col++) {
for (row = union.startRow; row <= union.endRow; row++) { for (row = union.startRow; row <= union.endRow; row++) {
bucketId = _getBucketId(col, row); bucketId = Grid._getBucketId(col, row);
bucket = buckets[bucketId]; bucket = buckets[bucketId];
var isInsideNewRegion = (col >= newRegion.startCol && col <= newRegion.endCol var isInsideNewRegion = (col >= newRegion.startCol && col <= newRegion.endCol
@ -2266,15 +2301,15 @@ var Common = _dereq_('../core/Common');
if (!isInsideNewRegion && isInsideOldRegion) { if (!isInsideNewRegion && isInsideOldRegion) {
if (isInsideOldRegion) { if (isInsideOldRegion) {
if (bucket) if (bucket)
_bucketRemoveBody(grid, bucket, body); Grid._bucketRemoveBody(grid, bucket, body);
} }
} }
// add to new region buckets // add to new region buckets
if (body.region === newRegion || (isInsideNewRegion && !isInsideOldRegion) || forceUpdate) { if (body.region === newRegion || (isInsideNewRegion && !isInsideOldRegion) || forceUpdate) {
if (!bucket) if (!bucket)
bucket = _createBucket(buckets, bucketId); bucket = Grid._createBucket(buckets, bucketId);
_bucketAddBody(grid, bucket, body); Grid._bucketAddBody(grid, bucket, body);
} }
} }
} }
@ -2289,7 +2324,7 @@ var Common = _dereq_('../core/Common');
// update pairs list only if pairs changed (i.e. a body changed region) // update pairs list only if pairs changed (i.e. a body changed region)
if (gridChanged) if (gridChanged)
grid.pairsList = _createActivePairsList(grid); grid.pairsList = Grid._createActivePairsList(grid);
}; };
/** /**
@ -2311,13 +2346,13 @@ var Common = _dereq_('../core/Common');
* @param {} regionB * @param {} regionB
* @return {} region * @return {} region
*/ */
var _regionUnion = function(regionA, regionB) { Grid._regionUnion = function(regionA, regionB) {
var startCol = Math.min(regionA.startCol, regionB.startCol), var startCol = Math.min(regionA.startCol, regionB.startCol),
endCol = Math.max(regionA.endCol, regionB.endCol), endCol = Math.max(regionA.endCol, regionB.endCol),
startRow = Math.min(regionA.startRow, regionB.startRow), startRow = Math.min(regionA.startRow, regionB.startRow),
endRow = Math.max(regionA.endRow, regionB.endRow); endRow = Math.max(regionA.endRow, regionB.endRow);
return _createRegion(startCol, endCol, startRow, endRow); return Grid._createRegion(startCol, endCol, startRow, endRow);
}; };
/** /**
@ -2328,14 +2363,14 @@ var Common = _dereq_('../core/Common');
* @param {} body * @param {} body
* @return {} region * @return {} region
*/ */
var _getRegion = function(grid, body) { Grid._getRegion = function(grid, body) {
var bounds = body.bounds, var bounds = body.bounds,
startCol = Math.floor(bounds.min.x / grid.bucketWidth), startCol = Math.floor(bounds.min.x / grid.bucketWidth),
endCol = Math.floor(bounds.max.x / grid.bucketWidth), endCol = Math.floor(bounds.max.x / grid.bucketWidth),
startRow = Math.floor(bounds.min.y / grid.bucketHeight), startRow = Math.floor(bounds.min.y / grid.bucketHeight),
endRow = Math.floor(bounds.max.y / grid.bucketHeight); endRow = Math.floor(bounds.max.y / grid.bucketHeight);
return _createRegion(startCol, endCol, startRow, endRow); return Grid._createRegion(startCol, endCol, startRow, endRow);
}; };
/** /**
@ -2348,7 +2383,7 @@ var Common = _dereq_('../core/Common');
* @param {} endRow * @param {} endRow
* @return {} region * @return {} region
*/ */
var _createRegion = function(startCol, endCol, startRow, endRow) { Grid._createRegion = function(startCol, endCol, startRow, endRow) {
return { return {
id: startCol + ',' + endCol + ',' + startRow + ',' + endRow, id: startCol + ',' + endCol + ',' + startRow + ',' + endRow,
startCol: startCol, startCol: startCol,
@ -2366,7 +2401,7 @@ var Common = _dereq_('../core/Common');
* @param {} row * @param {} row
* @return {string} bucket id * @return {string} bucket id
*/ */
var _getBucketId = function(column, row) { Grid._getBucketId = function(column, row) {
return 'C' + column + 'R' + row; return 'C' + column + 'R' + row;
}; };
@ -2378,7 +2413,7 @@ var Common = _dereq_('../core/Common');
* @param {} bucketId * @param {} bucketId
* @return {} bucket * @return {} bucket
*/ */
var _createBucket = function(buckets, bucketId) { Grid._createBucket = function(buckets, bucketId) {
var bucket = buckets[bucketId] = []; var bucket = buckets[bucketId] = [];
return bucket; return bucket;
}; };
@ -2391,7 +2426,7 @@ var Common = _dereq_('../core/Common');
* @param {} bucket * @param {} bucket
* @param {} body * @param {} body
*/ */
var _bucketAddBody = function(grid, bucket, body) { Grid._bucketAddBody = function(grid, bucket, body) {
// add new pairs // add new pairs
for (var i = 0; i < bucket.length; i++) { for (var i = 0; i < bucket.length; i++) {
var bodyB = bucket[i]; var bodyB = bucket[i];
@ -2423,7 +2458,7 @@ var Common = _dereq_('../core/Common');
* @param {} bucket * @param {} bucket
* @param {} body * @param {} body
*/ */
var _bucketRemoveBody = function(grid, bucket, body) { Grid._bucketRemoveBody = function(grid, bucket, body) {
// remove from bucket // remove from bucket
bucket.splice(Common.indexOf(bucket, body), 1); bucket.splice(Common.indexOf(bucket, body), 1);
@ -2447,7 +2482,7 @@ var Common = _dereq_('../core/Common');
* @param {} grid * @param {} grid
* @return [] pairs * @return [] pairs
*/ */
var _createActivePairsList = function(grid) { Grid._createActivePairsList = function(grid) {
var pairKeys, var pairKeys,
pair, pair,
pairs = []; pairs = [];
@ -2617,7 +2652,7 @@ var Common = _dereq_('../core/Common');
(function() { (function() {
var _pairMaxIdleLife = 1000; Pairs._pairMaxIdleLife = 1000;
/** /**
* Creates a new pairs structure. * Creates a new pairs structure.
@ -2728,7 +2763,7 @@ var Common = _dereq_('../core/Common');
} }
// if pair is inactive for too long, mark it to be removed // if pair is inactive for too long, mark it to be removed
if (timestamp - pair.timeUpdated > _pairMaxIdleLife) { if (timestamp - pair.timeUpdated > Pairs._pairMaxIdleLife) {
indexesToRemove.push(i); indexesToRemove.push(i);
} }
} }
@ -2780,6 +2815,38 @@ var Vertices = _dereq_('../geometry/Vertices');
(function() { (function() {
/**
* Returns a list of collisions between `body` and `bodies`.
* @method collides
* @param {body} body
* @param {body[]} bodies
* @return {object[]} Collisions
*/
Query.collides = function(body, bodies) {
var collisions = [];
for (var i = 0; i < bodies.length; i++) {
var bodyA = bodies[i];
if (Bounds.overlaps(bodyA.bounds, body.bounds)) {
for (var j = bodyA.parts.length === 1 ? 0 : 1; j < bodyA.parts.length; j++) {
var part = bodyA.parts[j];
if (Bounds.overlaps(part.bounds, body.bounds)) {
var collision = SAT.collides(part, body);
if (collision.collided) {
collisions.push(collision);
break;
}
}
}
}
}
return collisions;
};
/** /**
* Casts a ray segment against a set of bodies and returns all collisions, ray width is optional. Intersection points are not provided. * Casts a ray segment against a set of bodies and returns all collisions, ray width is optional. Intersection points are not provided.
* @method ray * @method ray
@ -2797,25 +2864,11 @@ var Vertices = _dereq_('../geometry/Vertices');
rayX = (endPoint.x + startPoint.x) * 0.5, rayX = (endPoint.x + startPoint.x) * 0.5,
rayY = (endPoint.y + startPoint.y) * 0.5, rayY = (endPoint.y + startPoint.y) * 0.5,
ray = Bodies.rectangle(rayX, rayY, rayLength, rayWidth, { angle: rayAngle }), ray = Bodies.rectangle(rayX, rayY, rayLength, rayWidth, { angle: rayAngle }),
collisions = []; collisions = Query.collides(ray, bodies);
for (var i = 0; i < bodies.length; i++) { for (var i = 0; i < collisions.length; i += 1) {
var bodyA = bodies[i]; var collision = collisions[i];
collision.body = collision.bodyB = collision.bodyA;
if (Bounds.overlaps(bodyA.bounds, ray.bounds)) {
for (var j = bodyA.parts.length === 1 ? 0 : 1; j < bodyA.parts.length; j++) {
var part = bodyA.parts[j];
if (Bounds.overlaps(part.bounds, ray.bounds)) {
var collision = SAT.collides(part, ray);
if (collision.collided) {
collision.body = collision.bodyA = collision.bodyB = bodyA;
collisions.push(collision);
break;
}
}
}
}
} }
return collisions; return collisions;
@ -3276,7 +3329,7 @@ var Vector = _dereq_('../geometry/Vector');
axisBodyB = axisBodyA === bodyA ? bodyB : bodyA, axisBodyB = axisBodyA === bodyA ? bodyB : bodyA,
axes = [axisBodyA.axes[previousCollision.axisNumber]]; axes = [axisBodyA.axes[previousCollision.axisNumber]];
minOverlap = _overlapAxes(axisBodyA.vertices, axisBodyB.vertices, axes); minOverlap = SAT._overlapAxes(axisBodyA.vertices, axisBodyB.vertices, axes);
collision.reused = true; collision.reused = true;
if (minOverlap.overlap <= 0) { if (minOverlap.overlap <= 0) {
@ -3286,14 +3339,14 @@ var Vector = _dereq_('../geometry/Vector');
} else { } else {
// if we can't reuse a result, perform a full SAT test // if we can't reuse a result, perform a full SAT test
overlapAB = _overlapAxes(bodyA.vertices, bodyB.vertices, bodyA.axes); overlapAB = SAT._overlapAxes(bodyA.vertices, bodyB.vertices, bodyA.axes);
if (overlapAB.overlap <= 0) { if (overlapAB.overlap <= 0) {
collision.collided = false; collision.collided = false;
return collision; return collision;
} }
overlapBA = _overlapAxes(bodyB.vertices, bodyA.vertices, bodyB.axes); overlapBA = SAT._overlapAxes(bodyB.vertices, bodyA.vertices, bodyB.axes);
if (overlapBA.overlap <= 0) { if (overlapBA.overlap <= 0) {
collision.collided = false; collision.collided = false;
@ -3342,7 +3395,7 @@ var Vector = _dereq_('../geometry/Vector');
collision.penetration.y = collision.normal.y * collision.depth; collision.penetration.y = collision.normal.y * collision.depth;
// find support points, there is always either exactly one or two // find support points, there is always either exactly one or two
var verticesB = _findSupports(bodyA, bodyB, collision.normal), var verticesB = SAT._findSupports(bodyA, bodyB, collision.normal),
supports = []; supports = [];
// find the supports from bodyB that are inside bodyA // find the supports from bodyB that are inside bodyA
@ -3354,7 +3407,7 @@ var Vector = _dereq_('../geometry/Vector');
// find the supports from bodyA that are inside bodyB // find the supports from bodyA that are inside bodyB
if (supports.length < 2) { if (supports.length < 2) {
var verticesA = _findSupports(bodyB, bodyA, Vector.neg(collision.normal)); var verticesA = SAT._findSupports(bodyB, bodyA, Vector.neg(collision.normal));
if (Vertices.contains(bodyB.vertices, verticesA[0])) if (Vertices.contains(bodyB.vertices, verticesA[0]))
supports.push(verticesA[0]); supports.push(verticesA[0]);
@ -3381,7 +3434,7 @@ var Vector = _dereq_('../geometry/Vector');
* @param {} axes * @param {} axes
* @return result * @return result
*/ */
var _overlapAxes = function(verticesA, verticesB, axes) { SAT._overlapAxes = function(verticesA, verticesB, axes) {
var projectionA = Vector._temp[0], var projectionA = Vector._temp[0],
projectionB = Vector._temp[1], projectionB = Vector._temp[1],
result = { overlap: Number.MAX_VALUE }, result = { overlap: Number.MAX_VALUE },
@ -3391,8 +3444,8 @@ var Vector = _dereq_('../geometry/Vector');
for (var i = 0; i < axes.length; i++) { for (var i = 0; i < axes.length; i++) {
axis = axes[i]; axis = axes[i];
_projectToAxis(projectionA, verticesA, axis); SAT._projectToAxis(projectionA, verticesA, axis);
_projectToAxis(projectionB, verticesB, axis); SAT._projectToAxis(projectionB, verticesB, axis);
overlap = Math.min(projectionA.max - projectionB.min, projectionB.max - projectionA.min); overlap = Math.min(projectionA.max - projectionB.min, projectionB.max - projectionA.min);
@ -3419,7 +3472,7 @@ var Vector = _dereq_('../geometry/Vector');
* @param {} vertices * @param {} vertices
* @param {} axis * @param {} axis
*/ */
var _projectToAxis = function(projection, vertices, axis) { SAT._projectToAxis = function(projection, vertices, axis) {
var min = Vector.dot(vertices[0], axis), var min = Vector.dot(vertices[0], axis),
max = min; max = min;
@ -3446,7 +3499,7 @@ var Vector = _dereq_('../geometry/Vector');
* @param {} normal * @param {} normal
* @return [vector] * @return [vector]
*/ */
var _findSupports = function(bodyA, bodyB, normal) { SAT._findSupports = function(bodyA, bodyB, normal) {
var nearestDistance = Number.MAX_VALUE, var nearestDistance = Number.MAX_VALUE,
vertexToBody = Vector._temp[0], vertexToBody = Vector._temp[0],
vertices = bodyB.vertices, vertices = bodyB.vertices,
@ -3524,6 +3577,7 @@ var Common = _dereq_('../core/Common');
* All properties have default values, and many are pre-calculated automatically based on other properties. * All properties have default values, and many are pre-calculated automatically based on other properties.
* To simulate a revolute constraint (or pin joint) set `length: 0` and a high `stiffness` value (e.g. `0.7` or above). * To simulate a revolute constraint (or pin joint) set `length: 0` and a high `stiffness` value (e.g. `0.7` or above).
* If the constraint is unstable, try lowering the `stiffness` value and / or increasing `engine.constraintIterations`. * If the constraint is unstable, try lowering the `stiffness` value and / or increasing `engine.constraintIterations`.
* For compound bodies, constraints must be applied to the parent body (not one of its parts).
* See the properties section below for detailed information on what you can pass via the `options` object. * See the properties section below for detailed information on what you can pass via the `options` object.
* @method create * @method create
* @param {} options * @param {} options
@ -4025,7 +4079,7 @@ var Bounds = _dereq_('../geometry/Bounds');
Events.on(engine, 'beforeUpdate', function() { Events.on(engine, 'beforeUpdate', function() {
var allBodies = Composite.allBodies(engine.world); var allBodies = Composite.allBodies(engine.world);
MouseConstraint.update(mouseConstraint, allBodies); MouseConstraint.update(mouseConstraint, allBodies);
_triggerEvents(mouseConstraint); MouseConstraint._triggerEvents(mouseConstraint);
}); });
return mouseConstraint; return mouseConstraint;
@ -4084,7 +4138,7 @@ var Bounds = _dereq_('../geometry/Bounds');
* @private * @private
* @param {mouse} mouseConstraint * @param {mouse} mouseConstraint
*/ */
var _triggerEvents = function(mouseConstraint) { MouseConstraint._triggerEvents = function(mouseConstraint) {
var mouse = mouseConstraint.mouse, var mouse = mouseConstraint.mouse,
mouseEvents = mouse.sourceEvents; mouseEvents = mouse.sourceEvents;
@ -4388,7 +4442,11 @@ module.exports = Common;
* @return {boolean} True if the object is a HTMLElement, otherwise false * @return {boolean} True if the object is a HTMLElement, otherwise false
*/ */
Common.isElement = function(obj) { Common.isElement = function(obj) {
if (typeof HTMLElement !== 'undefined') {
return obj instanceof HTMLElement; return obj instanceof HTMLElement;
}
return !!(obj.nodeType && obj.nodeName);
}; };
/** /**
@ -4631,14 +4689,14 @@ module.exports = Common;
for (var node in graph) { for (var node in graph) {
if (!visited[node] && !temp[node]) { if (!visited[node] && !temp[node]) {
_topologicalSort(node, visited, temp, graph, result); Common._topologicalSort(node, visited, temp, graph, result);
} }
} }
return result; return result;
}; };
var _topologicalSort = function(node, visited, temp, graph, result) { Common._topologicalSort = function(node, visited, temp, graph, result) {
var neighbors = graph[node] || []; var neighbors = graph[node] || [];
temp[node] = true; temp[node] = true;
@ -4651,7 +4709,7 @@ module.exports = Common;
} }
if (!visited[neighbor]) { if (!visited[neighbor]) {
_topologicalSort(neighbor, visited, temp, graph, result); Common._topologicalSort(neighbor, visited, temp, graph, result);
} }
} }
@ -4885,10 +4943,10 @@ var Body = _dereq_('../body/Body');
Sleeping.update(allBodies, timing.timeScale); Sleeping.update(allBodies, timing.timeScale);
// applies gravity to all bodies // applies gravity to all bodies
_bodiesApplyGravity(allBodies, world.gravity); Engine._bodiesApplyGravity(allBodies, world.gravity);
// update all body position and rotation by integration // update all body position and rotation by integration
_bodiesUpdate(allBodies, delta, timing.timeScale, correction, world.bounds); Engine._bodiesUpdate(allBodies, delta, timing.timeScale, correction, world.bounds);
// update all constraints (first pass) // update all constraints (first pass)
Constraint.preSolveAll(allBodies); Constraint.preSolveAll(allBodies);
@ -4962,7 +5020,7 @@ var Body = _dereq_('../body/Body');
// clear force buffers // clear force buffers
_bodiesClearForces(allBodies); Engine._bodiesClearForces(allBodies);
Events.trigger(engine, 'afterUpdate', event); Events.trigger(engine, 'afterUpdate', event);
@ -5013,11 +5071,11 @@ var Body = _dereq_('../body/Body');
/** /**
* Zeroes the `body.force` and `body.torque` force buffers. * Zeroes the `body.force` and `body.torque` force buffers.
* @method bodiesClearForces * @method _bodiesClearForces
* @private * @private
* @param {body[]} bodies * @param {body[]} bodies
*/ */
var _bodiesClearForces = function(bodies) { Engine._bodiesClearForces = function(bodies) {
for (var i = 0; i < bodies.length; i++) { for (var i = 0; i < bodies.length; i++) {
var body = bodies[i]; var body = bodies[i];
@ -5030,12 +5088,12 @@ var Body = _dereq_('../body/Body');
/** /**
* Applys a mass dependant force to all given bodies. * Applys a mass dependant force to all given bodies.
* @method bodiesApplyGravity * @method _bodiesApplyGravity
* @private * @private
* @param {body[]} bodies * @param {body[]} bodies
* @param {vector} gravity * @param {vector} gravity
*/ */
var _bodiesApplyGravity = function(bodies, gravity) { Engine._bodiesApplyGravity = function(bodies, gravity) {
var gravityScale = typeof gravity.scale !== 'undefined' ? gravity.scale : 0.001; var gravityScale = typeof gravity.scale !== 'undefined' ? gravity.scale : 0.001;
if ((gravity.x === 0 && gravity.y === 0) || gravityScale === 0) { if ((gravity.x === 0 && gravity.y === 0) || gravityScale === 0) {
@ -5056,7 +5114,7 @@ var Body = _dereq_('../body/Body');
/** /**
* Applys `Body.update` to all given `bodies`. * Applys `Body.update` to all given `bodies`.
* @method updateAll * @method _bodiesUpdate
* @private * @private
* @param {body[]} bodies * @param {body[]} bodies
* @param {number} deltaTime * @param {number} deltaTime
@ -5066,7 +5124,7 @@ var Body = _dereq_('../body/Body');
* The Verlet correction factor (deltaTime / lastDeltaTime) * The Verlet correction factor (deltaTime / lastDeltaTime)
* @param {bounds} worldBounds * @param {bounds} worldBounds
*/ */
var _bodiesUpdate = function(bodies, deltaTime, timeScale, correction, worldBounds) { Engine._bodiesUpdate = function(bodies, deltaTime, timeScale, correction, worldBounds) {
for (var i = 0; i < bodies.length; i++) { for (var i = 0; i < bodies.length; i++) {
var body = bodies[i]; var body = bodies[i];
@ -5386,7 +5444,7 @@ var Common = _dereq_('./Common');
* @readOnly * @readOnly
* @type {String} * @type {String}
*/ */
Matter.version = '0.13.0'; Matter.version = '0.14.0';
/** /**
* A list of plugin dependencies to be installed. These are normally set and installed through `Matter.use`. * A list of plugin dependencies to be installed. These are normally set and installed through `Matter.use`.
@ -5493,7 +5551,7 @@ var Common = _dereq_('../core/Common');
}; };
mouse.mousemove = function(event) { mouse.mousemove = function(event) {
var position = _getRelativeMousePosition(event, mouse.element, mouse.pixelRatio), var position = Mouse._getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
touches = event.changedTouches; touches = event.changedTouches;
if (touches) { if (touches) {
@ -5509,7 +5567,7 @@ var Common = _dereq_('../core/Common');
}; };
mouse.mousedown = function(event) { mouse.mousedown = function(event) {
var position = _getRelativeMousePosition(event, mouse.element, mouse.pixelRatio), var position = Mouse._getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
touches = event.changedTouches; touches = event.changedTouches;
if (touches) { if (touches) {
@ -5529,7 +5587,7 @@ var Common = _dereq_('../core/Common');
}; };
mouse.mouseup = function(event) { mouse.mouseup = function(event) {
var position = _getRelativeMousePosition(event, mouse.element, mouse.pixelRatio), var position = Mouse._getRelativeMousePosition(event, mouse.element, mouse.pixelRatio),
touches = event.changedTouches; touches = event.changedTouches;
if (touches) { if (touches) {
@ -5625,7 +5683,7 @@ var Common = _dereq_('../core/Common');
* @param {number} pixelRatio * @param {number} pixelRatio
* @return {} * @return {}
*/ */
var _getRelativeMousePosition = function(event, element, pixelRatio) { Mouse._getRelativeMousePosition = function(event, element, pixelRatio) {
var elementBounds = element.getBoundingClientRect(), var elementBounds = element.getBoundingClientRect(),
rootNode = (document.documentElement || document.body.parentNode || document.body), rootNode = (document.documentElement || document.body.parentNode || document.body),
scrollX = (window.pageXOffset !== undefined) ? window.pageXOffset : rootNode.scrollLeft, scrollX = (window.pageXOffset !== undefined) ? window.pageXOffset : rootNode.scrollLeft,
@ -7410,7 +7468,7 @@ var Bounds = _dereq_('../geometry/Bounds');
}; };
// ensure path is absolute // ensure path is absolute
_svgPathToAbsolute(path); Svg._svgPathToAbsolute(path);
// get total length // get total length
total = path.getTotalLength(); total = path.getTotalLength();
@ -7462,7 +7520,7 @@ var Bounds = _dereq_('../geometry/Bounds');
return points; return points;
}; };
var _svgPathToAbsolute = function(path) { Svg._svgPathToAbsolute = function(path) {
// http://phrogz.net/convert-svg-path-to-all-absolute-commands // http://phrogz.net/convert-svg-path-to-all-absolute-commands
// Copyright (c) Gavin Kistner // Copyright (c) Gavin Kistner
// http://phrogz.net/js/_ReuseLicense.txt // http://phrogz.net/js/_ReuseLicense.txt
@ -8042,10 +8100,11 @@ var Common = _dereq_('../core/Common');
* @param {number} qualityMax * @param {number} qualityMax
*/ */
Vertices.chamfer = function(vertices, radius, quality, qualityMin, qualityMax) { Vertices.chamfer = function(vertices, radius, quality, qualityMin, qualityMax) {
radius = radius || [8]; if (typeof radius === 'number') {
if (!radius.length)
radius = [radius]; radius = [radius];
} else {
radius = radius || [8];
}
// quality defaults to -1, which is auto // quality defaults to -1, which is auto
quality = (typeof quality !== 'undefined') ? quality : -1; quality = (typeof quality !== 'undefined') ? quality : -1;
@ -8378,7 +8437,7 @@ var Mouse = _dereq_('../core/Mouse');
if (Common.isElement(render.element)) { if (Common.isElement(render.element)) {
render.element.appendChild(render.canvas); render.element.appendChild(render.canvas);
} else { } else if (!render.canvas.parentNode) {
Common.log('Render.create: options.element was undefined, render.canvas was created but not appended', 'warn'); Common.log('Render.create: options.element was undefined, render.canvas was created but not appended', 'warn');
} }

95
build/matter.min.js vendored
View file

@ -1,5 +1,5 @@
/** /**
* matter-js 0.13.0 by @liabru 2017-07-06 * matter-js 0.14.0 by @liabru 2017-11-30
* http://brm.io/matter-js/ * http://brm.io/matter-js/
* License MIT * License MIT
*/ */
@ -7,44 +7,45 @@
o._nextNonCollidingGroupId=-1,o._nextCategory=1,o.create=function(t){var n={id:a.nextId(),type:"body",label:"Body",parts:[],plugin:{},angle:0,vertices:i.fromPath("L 0 0 L 40 0 L 40 40 L 0 40"),position:{x:0,y:0},force:{x:0,y:0},torque:0,positionImpulse:{x:0,y:0},constraintImpulse:{x:0,y:0,angle:0},totalContacts:0,speed:0,angularSpeed:0,velocity:{x:0,y:0},angularVelocity:0,isSensor:!1,isStatic:!1,isSleeping:!1,motion:0,sleepThreshold:60,density:.001,restitution:0,friction:.1,frictionStatic:.5,frictionAir:.01,collisionFilter:{category:1,mask:4294967295,group:0},slop:.05,timeScale:1,render:{visible:!0,opacity:1,sprite:{xScale:1,yScale:1,xOffset:0,yOffset:0},lineWidth:0}},o=a.extend(n,t);return e(o,t),o},o.nextGroup=function(e){return e?o._nextNonCollidingGroupId--:o._nextCollidingGroupId++},o.nextCategory=function(){return o._nextCategory=o._nextCategory<<1,o._nextCategory};var e=function(e,t){t=t||{},o.set(e,{bounds:e.bounds||l.create(e.vertices),positionPrev:e.positionPrev||r.clone(e.position), o._nextNonCollidingGroupId=-1,o._nextCategory=1,o.create=function(t){var n={id:a.nextId(),type:"body",label:"Body",parts:[],plugin:{},angle:0,vertices:i.fromPath("L 0 0 L 40 0 L 40 40 L 0 40"),position:{x:0,y:0},force:{x:0,y:0},torque:0,positionImpulse:{x:0,y:0},constraintImpulse:{x:0,y:0,angle:0},totalContacts:0,speed:0,angularSpeed:0,velocity:{x:0,y:0},angularVelocity:0,isSensor:!1,isStatic:!1,isSleeping:!1,motion:0,sleepThreshold:60,density:.001,restitution:0,friction:.1,frictionStatic:.5,frictionAir:.01,collisionFilter:{category:1,mask:4294967295,group:0},slop:.05,timeScale:1,render:{visible:!0,opacity:1,sprite:{xScale:1,yScale:1,xOffset:0,yOffset:0},lineWidth:0}},o=a.extend(n,t);return e(o,t),o},o.nextGroup=function(e){return e?o._nextNonCollidingGroupId--:o._nextCollidingGroupId++},o.nextCategory=function(){return o._nextCategory=o._nextCategory<<1,o._nextCategory};var e=function(e,t){t=t||{},o.set(e,{bounds:e.bounds||l.create(e.vertices),positionPrev:e.positionPrev||r.clone(e.position),
anglePrev:e.anglePrev||e.angle,vertices:e.vertices,parts:e.parts||[e],isStatic:e.isStatic,isSleeping:e.isSleeping,parent:e.parent||e}),i.rotate(e.vertices,e.angle,e.position),c.rotate(e.axes,e.angle),l.update(e.bounds,e.vertices,e.velocity),o.set(e,{axes:t.axes||e.axes,area:t.area||e.area,mass:t.mass||e.mass,inertia:t.inertia||e.inertia});var n=e.isStatic?"#2e2b44":a.choose(["#006BA6","#0496FF","#FFBC42","#D81159","#8F2D56"]),s="#000";e.render.fillStyle=e.render.fillStyle||n,e.render.strokeStyle=e.render.strokeStyle||s,e.render.sprite.xOffset+=-(e.bounds.min.x-e.position.x)/(e.bounds.max.x-e.bounds.min.x),e.render.sprite.yOffset+=-(e.bounds.min.y-e.position.y)/(e.bounds.max.y-e.bounds.min.y)};o.set=function(e,t,n){var i;"string"==typeof t&&(i=t,t={},t[i]=n);for(i in t)if(n=t[i],t.hasOwnProperty(i))switch(i){case"isStatic":o.setStatic(e,n);break;case"isSleeping":s.set(e,n);break;case"mass":o.setMass(e,n);break;case"density":o.setDensity(e,n);break;case"inertia":o.setInertia(e,n);break;case"vertices": anglePrev:e.anglePrev||e.angle,vertices:e.vertices,parts:e.parts||[e],isStatic:e.isStatic,isSleeping:e.isSleeping,parent:e.parent||e}),i.rotate(e.vertices,e.angle,e.position),c.rotate(e.axes,e.angle),l.update(e.bounds,e.vertices,e.velocity),o.set(e,{axes:t.axes||e.axes,area:t.area||e.area,mass:t.mass||e.mass,inertia:t.inertia||e.inertia});var n=e.isStatic?"#2e2b44":a.choose(["#006BA6","#0496FF","#FFBC42","#D81159","#8F2D56"]),s="#000";e.render.fillStyle=e.render.fillStyle||n,e.render.strokeStyle=e.render.strokeStyle||s,e.render.sprite.xOffset+=-(e.bounds.min.x-e.position.x)/(e.bounds.max.x-e.bounds.min.x),e.render.sprite.yOffset+=-(e.bounds.min.y-e.position.y)/(e.bounds.max.y-e.bounds.min.y)};o.set=function(e,t,n){var i;"string"==typeof t&&(i=t,t={},t[i]=n);for(i in t)if(n=t[i],t.hasOwnProperty(i))switch(i){case"isStatic":o.setStatic(e,n);break;case"isSleeping":s.set(e,n);break;case"mass":o.setMass(e,n);break;case"density":o.setDensity(e,n);break;case"inertia":o.setInertia(e,n);break;case"vertices":
o.setVertices(e,n);break;case"position":o.setPosition(e,n);break;case"angle":o.setAngle(e,n);break;case"velocity":o.setVelocity(e,n);break;case"angularVelocity":o.setAngularVelocity(e,n);break;case"parts":o.setParts(e,n);break;default:e[i]=n}},o.setStatic=function(e,t){for(var n=0;n<e.parts.length;n++){var o=e.parts[n];o.isStatic=t,t?(o._original={restitution:o.restitution,friction:o.friction,mass:o.mass,inertia:o.inertia,density:o.density,inverseMass:o.inverseMass,inverseInertia:o.inverseInertia},o.restitution=0,o.friction=1,o.mass=o.inertia=o.density=1/0,o.inverseMass=o.inverseInertia=0,o.positionPrev.x=o.position.x,o.positionPrev.y=o.position.y,o.anglePrev=o.angle,o.angularVelocity=0,o.speed=0,o.angularSpeed=0,o.motion=0):o._original&&(o.restitution=o._original.restitution,o.friction=o._original.friction,o.mass=o._original.mass,o.inertia=o._original.inertia,o.density=o._original.density,o.inverseMass=o._original.inverseMass,o.inverseInertia=o._original.inverseInertia,delete o._original); o.setVertices(e,n);break;case"position":o.setPosition(e,n);break;case"angle":o.setAngle(e,n);break;case"velocity":o.setVelocity(e,n);break;case"angularVelocity":o.setAngularVelocity(e,n);break;case"parts":o.setParts(e,n);break;default:e[i]=n}},o.setStatic=function(e,t){for(var n=0;n<e.parts.length;n++){var o=e.parts[n];o.isStatic=t,t?(o._original={restitution:o.restitution,friction:o.friction,mass:o.mass,inertia:o.inertia,density:o.density,inverseMass:o.inverseMass,inverseInertia:o.inverseInertia},o.restitution=0,o.friction=1,o.mass=o.inertia=o.density=1/0,o.inverseMass=o.inverseInertia=0,o.positionPrev.x=o.position.x,o.positionPrev.y=o.position.y,o.anglePrev=o.angle,o.angularVelocity=0,o.speed=0,o.angularSpeed=0,o.motion=0):o._original&&(o.restitution=o._original.restitution,o.friction=o._original.friction,o.mass=o._original.mass,o.inertia=o._original.inertia,o.density=o._original.density,o.inverseMass=o._original.inverseMass,o.inverseInertia=o._original.inverseInertia,delete o._original);
}},o.setMass=function(e,t){e.mass=t,e.inverseMass=1/e.mass,e.density=e.mass/e.area},o.setDensity=function(e,t){o.setMass(e,t*e.area),e.density=t},o.setInertia=function(e,t){e.inertia=t,e.inverseInertia=1/e.inertia},o.setVertices=function(e,t){t[0].body===e?e.vertices=t:e.vertices=i.create(t,e),e.axes=c.fromVertices(e.vertices),e.area=i.area(e.vertices),o.setMass(e,e.density*e.area);var n=i.centre(e.vertices);i.translate(e.vertices,n,-1),o.setInertia(e,o._inertiaScale*i.inertia(e.vertices,e.mass)),i.translate(e.vertices,e.position),l.update(e.bounds,e.vertices,e.velocity)},o.setParts=function(e,n,r){var s;for(n=n.slice(0),e.parts.length=0,e.parts.push(e),e.parent=e,s=0;s<n.length;s++){var a=n[s];a!==e&&(a.parent=e,e.parts.push(a))}if(1!==e.parts.length){if(r="undefined"==typeof r||r){var l=[];for(s=0;s<n.length;s++)l=l.concat(n[s].vertices);i.clockwiseSort(l);var c=i.hull(l),d=i.centre(c);o.setVertices(e,c),i.translate(e.vertices,d)}var u=t(e);e.area=u.area,e.parent=e,e.position.x=u.centre.x, }},o.setMass=function(e,t){var n=e.inertia/(e.mass/6);e.inertia=n*(t/6),e.inverseInertia=1/e.inertia,e.mass=t,e.inverseMass=1/e.mass,e.density=e.mass/e.area},o.setDensity=function(e,t){o.setMass(e,t*e.area),e.density=t},o.setInertia=function(e,t){e.inertia=t,e.inverseInertia=1/e.inertia},o.setVertices=function(e,t){t[0].body===e?e.vertices=t:e.vertices=i.create(t,e),e.axes=c.fromVertices(e.vertices),e.area=i.area(e.vertices),o.setMass(e,e.density*e.area);var n=i.centre(e.vertices);i.translate(e.vertices,n,-1),o.setInertia(e,o._inertiaScale*i.inertia(e.vertices,e.mass)),i.translate(e.vertices,e.position),l.update(e.bounds,e.vertices,e.velocity)},o.setParts=function(e,t,n){var r;for(t=t.slice(0),e.parts.length=0,e.parts.push(e),e.parent=e,r=0;r<t.length;r++){var s=t[r];s!==e&&(s.parent=e,e.parts.push(s))}if(1!==e.parts.length){if(n="undefined"==typeof n||n){var a=[];for(r=0;r<t.length;r++)a=a.concat(t[r].vertices);i.clockwiseSort(a);var l=i.hull(a),c=i.centre(l);o.setVertices(e,l),i.translate(e.vertices,c);
e.position.y=u.centre.y,e.positionPrev.x=u.centre.x,e.positionPrev.y=u.centre.y,o.setMass(e,u.mass),o.setInertia(e,u.inertia),o.setPosition(e,u.centre)}},o.setPosition=function(e,t){var n=r.sub(t,e.position);e.positionPrev.x+=n.x,e.positionPrev.y+=n.y;for(var o=0;o<e.parts.length;o++){var s=e.parts[o];s.position.x+=n.x,s.position.y+=n.y,i.translate(s.vertices,n),l.update(s.bounds,s.vertices,e.velocity)}},o.setAngle=function(e,t){var n=t-e.angle;e.anglePrev+=n;for(var o=0;o<e.parts.length;o++){var s=e.parts[o];s.angle+=n,i.rotate(s.vertices,n,e.position),c.rotate(s.axes,n),l.update(s.bounds,s.vertices,e.velocity),o>0&&r.rotateAbout(s.position,n,e.position,s.position)}},o.setVelocity=function(e,t){e.positionPrev.x=e.position.x-t.x,e.positionPrev.y=e.position.y-t.y,e.velocity.x=t.x,e.velocity.y=t.y,e.speed=r.magnitude(e.velocity)},o.setAngularVelocity=function(e,t){e.anglePrev=e.angle-t,e.angularVelocity=t,e.angularSpeed=Math.abs(e.angularVelocity)},o.translate=function(e,t){o.setPosition(e,r.add(e.position,t)); }var d=o._totalProperties(e);e.area=d.area,e.parent=e,e.position.x=d.centre.x,e.position.y=d.centre.y,e.positionPrev.x=d.centre.x,e.positionPrev.y=d.centre.y,o.setMass(e,d.mass),o.setInertia(e,d.inertia),o.setPosition(e,d.centre)}},o.setPosition=function(e,t){var n=r.sub(t,e.position);e.positionPrev.x+=n.x,e.positionPrev.y+=n.y;for(var o=0;o<e.parts.length;o++){var s=e.parts[o];s.position.x+=n.x,s.position.y+=n.y,i.translate(s.vertices,n),l.update(s.bounds,s.vertices,e.velocity)}},o.setAngle=function(e,t){var n=t-e.angle;e.anglePrev+=n;for(var o=0;o<e.parts.length;o++){var s=e.parts[o];s.angle+=n,i.rotate(s.vertices,n,e.position),c.rotate(s.axes,n),l.update(s.bounds,s.vertices,e.velocity),o>0&&r.rotateAbout(s.position,n,e.position,s.position)}},o.setVelocity=function(e,t){e.positionPrev.x=e.position.x-t.x,e.positionPrev.y=e.position.y-t.y,e.velocity.x=t.x,e.velocity.y=t.y,e.speed=r.magnitude(e.velocity)},o.setAngularVelocity=function(e,t){e.anglePrev=e.angle-t,e.angularVelocity=t,e.angularSpeed=Math.abs(e.angularVelocity);
},o.rotate=function(e,t,n){if(n){var i=Math.cos(t),r=Math.sin(t),s=e.position.x-n.x,a=e.position.y-n.y;o.setPosition(e,{x:n.x+(s*i-a*r),y:n.y+(s*r+a*i)}),o.setAngle(e,e.angle+t)}else o.setAngle(e,e.angle+t)},o.scale=function(e,n,r,s){for(var a=0;a<e.parts.length;a++){var d=e.parts[a];i.scale(d.vertices,n,r,e.position),d.axes=c.fromVertices(d.vertices),e.isStatic||(d.area=i.area(d.vertices),o.setMass(d,e.density*d.area),i.translate(d.vertices,{x:-d.position.x,y:-d.position.y}),o.setInertia(d,i.inertia(d.vertices,d.mass)),i.translate(d.vertices,{x:d.position.x,y:d.position.y})),l.update(d.bounds,d.vertices,e.velocity)}if(e.circleRadius&&(n===r?e.circleRadius*=n:e.circleRadius=null),!e.isStatic){var u=t(e);e.area=u.area,o.setMass(e,u.mass),o.setInertia(e,u.inertia)}},o.update=function(e,t,n,o){var s=Math.pow(t*n*e.timeScale,2),a=1-e.frictionAir*n*e.timeScale,d=e.position.x-e.positionPrev.x,u=e.position.y-e.positionPrev.y;e.velocity.x=d*a*o+e.force.x/e.mass*s,e.velocity.y=u*a*o+e.force.y/e.mass*s, },o.translate=function(e,t){o.setPosition(e,r.add(e.position,t))},o.rotate=function(e,t,n){if(n){var i=Math.cos(t),r=Math.sin(t),s=e.position.x-n.x,a=e.position.y-n.y;o.setPosition(e,{x:n.x+(s*i-a*r),y:n.y+(s*r+a*i)}),o.setAngle(e,e.angle+t)}else o.setAngle(e,e.angle+t)},o.scale=function(e,t,n,r){var s=0,a=0;r=r||e.position;for(var d=0;d<e.parts.length;d++){var u=e.parts[d];i.scale(u.vertices,t,n,r),u.axes=c.fromVertices(u.vertices),u.area=i.area(u.vertices),o.setMass(u,e.density*u.area),i.translate(u.vertices,{x:-u.position.x,y:-u.position.y}),o.setInertia(u,o._inertiaScale*i.inertia(u.vertices,u.mass)),i.translate(u.vertices,{x:u.position.x,y:u.position.y}),d>0&&(s+=u.area,a+=u.inertia),u.position.x=r.x+(u.position.x-r.x)*t,u.position.y=r.y+(u.position.y-r.y)*n,l.update(u.bounds,u.vertices,e.velocity)}e.parts.length>1&&(e.area=s,e.isStatic||(o.setMass(e,e.density*s),o.setInertia(e,a))),e.circleRadius&&(t===n?e.circleRadius*=t:e.circleRadius=null)},o.update=function(e,t,n,o){var s=Math.pow(t*n*e.timeScale,2),a=1-e.frictionAir*n*e.timeScale,d=e.position.x-e.positionPrev.x,u=e.position.y-e.positionPrev.y;
e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.position.x+=e.velocity.x,e.position.y+=e.velocity.y,e.angularVelocity=(e.angle-e.anglePrev)*a*o+e.torque/e.inertia*s,e.anglePrev=e.angle,e.angle+=e.angularVelocity,e.speed=r.magnitude(e.velocity),e.angularSpeed=Math.abs(e.angularVelocity);for(var p=0;p<e.parts.length;p++){var f=e.parts[p];i.translate(f.vertices,e.velocity),p>0&&(f.position.x+=e.velocity.x,f.position.y+=e.velocity.y),0!==e.angularVelocity&&(i.rotate(f.vertices,e.angularVelocity,e.position),c.rotate(f.axes,e.angularVelocity),p>0&&r.rotateAbout(f.position,e.angularVelocity,e.position,f.position)),l.update(f.bounds,f.vertices,e.velocity)}},o.applyForce=function(e,t,n){e.force.x+=n.x,e.force.y+=n.y;var o={x:t.x-e.position.x,y:t.y-e.position.y};e.torque+=o.x*n.y-o.y*n.x};var t=function(e){for(var t={mass:0,area:0,inertia:0,centre:{x:0,y:0}},n=1===e.parts.length?0:1;n<e.parts.length;n++){var o=e.parts[n];t.mass+=o.mass,t.area+=o.area,t.inertia+=o.inertia,t.centre=r.add(t.centre,r.mult(o.position,o.mass!==1/0?o.mass:1)); e.velocity.x=d*a*o+e.force.x/e.mass*s,e.velocity.y=u*a*o+e.force.y/e.mass*s,e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.position.x+=e.velocity.x,e.position.y+=e.velocity.y,e.angularVelocity=(e.angle-e.anglePrev)*a*o+e.torque/e.inertia*s,e.anglePrev=e.angle,e.angle+=e.angularVelocity,e.speed=r.magnitude(e.velocity),e.angularSpeed=Math.abs(e.angularVelocity);for(var p=0;p<e.parts.length;p++){var f=e.parts[p];i.translate(f.vertices,e.velocity),p>0&&(f.position.x+=e.velocity.x,f.position.y+=e.velocity.y),0!==e.angularVelocity&&(i.rotate(f.vertices,e.angularVelocity,e.position),c.rotate(f.axes,e.angularVelocity),p>0&&r.rotateAbout(f.position,e.angularVelocity,e.position,f.position)),l.update(f.bounds,f.vertices,e.velocity)}},o.applyForce=function(e,t,n){e.force.x+=n.x,e.force.y+=n.y;var o={x:t.x-e.position.x,y:t.y-e.position.y};e.torque+=o.x*n.y-o.y*n.x},o._totalProperties=function(e){for(var t={mass:0,area:0,inertia:0,centre:{x:0,y:0}},n=1===e.parts.length?0:1;n<e.parts.length;n++){
}return t.centre=r.div(t.centre,t.mass!==1/0?t.mass:e.parts.length),t}}()},{"../core/Common":14,"../core/Sleeping":22,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29,"../render/Render":31}],2:[function(e,t,n){var o={};t.exports=o;var i=e("../core/Events"),r=e("../core/Common"),s=e("./Body");!function(){o.create=function(e){return r.extend({id:r.nextId(),type:"composite",parent:null,isModified:!1,bodies:[],constraints:[],composites:[],label:"Composite",plugin:{}},e)},o.setModified=function(e,t,n,i){if(e.isModified=t,n&&e.parent&&o.setModified(e.parent,t,n,i),i)for(var r=0;r<e.composites.length;r++){var s=e.composites[r];o.setModified(s,t,n,i)}},o.add=function(e,t){var n=[].concat(t);i.trigger(e,"beforeAdd",{object:t});for(var s=0;s<n.length;s++){var a=n[s];switch(a.type){case"body":if(a.parent!==a){r.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)");break}o.addBody(e,a);break;case"constraint":o.addConstraint(e,a); var o=e.parts[n],i=o.mass!==1/0?o.mass:1;t.mass+=i,t.area+=o.area,t.inertia+=o.inertia,t.centre=r.add(t.centre,r.mult(o.position,i))}return t.centre=r.div(t.centre,t.mass),t}}()},{"../core/Common":14,"../core/Sleeping":22,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29,"../render/Render":31}],2:[function(e,t,n){var o={};t.exports=o;var i=e("../core/Events"),r=e("../core/Common"),s=e("./Body");!function(){o.create=function(e){return r.extend({id:r.nextId(),type:"composite",parent:null,isModified:!1,bodies:[],constraints:[],composites:[],label:"Composite",plugin:{}},e)},o.setModified=function(e,t,n,i){if(e.isModified=t,n&&e.parent&&o.setModified(e.parent,t,n,i),i)for(var r=0;r<e.composites.length;r++){var s=e.composites[r];o.setModified(s,t,n,i)}},o.add=function(e,t){var n=[].concat(t);i.trigger(e,"beforeAdd",{object:t});for(var s=0;s<n.length;s++){var a=n[s];switch(a.type){case"body":if(a.parent!==a){r.warn("Composite.add: skipped adding a compound body part (you must add its parent instead)");
break;case"composite":o.addComposite(e,a);break;case"mouseConstraint":o.addConstraint(e,a.constraint)}}return i.trigger(e,"afterAdd",{object:t}),e},o.remove=function(e,t,n){var r=[].concat(t);i.trigger(e,"beforeRemove",{object:t});for(var s=0;s<r.length;s++){var a=r[s];switch(a.type){case"body":o.removeBody(e,a,n);break;case"constraint":o.removeConstraint(e,a,n);break;case"composite":o.removeComposite(e,a,n);break;case"mouseConstraint":o.removeConstraint(e,a.constraint)}}return i.trigger(e,"afterRemove",{object:t}),e},o.addComposite=function(e,t){return e.composites.push(t),t.parent=e,o.setModified(e,!0,!0,!1),e},o.removeComposite=function(e,t,n){var i=r.indexOf(e.composites,t);if(i!==-1&&(o.removeCompositeAt(e,i),o.setModified(e,!0,!0,!1)),n)for(var s=0;s<e.composites.length;s++)o.removeComposite(e.composites[s],t,!0);return e},o.removeCompositeAt=function(e,t){return e.composites.splice(t,1),o.setModified(e,!0,!0,!1),e},o.addBody=function(e,t){return e.bodies.push(t),o.setModified(e,!0,!0,!1), break}o.addBody(e,a);break;case"constraint":o.addConstraint(e,a);break;case"composite":o.addComposite(e,a);break;case"mouseConstraint":o.addConstraint(e,a.constraint)}}return i.trigger(e,"afterAdd",{object:t}),e},o.remove=function(e,t,n){var r=[].concat(t);i.trigger(e,"beforeRemove",{object:t});for(var s=0;s<r.length;s++){var a=r[s];switch(a.type){case"body":o.removeBody(e,a,n);break;case"constraint":o.removeConstraint(e,a,n);break;case"composite":o.removeComposite(e,a,n);break;case"mouseConstraint":o.removeConstraint(e,a.constraint)}}return i.trigger(e,"afterRemove",{object:t}),e},o.addComposite=function(e,t){return e.composites.push(t),t.parent=e,o.setModified(e,!0,!0,!1),e},o.removeComposite=function(e,t,n){var i=r.indexOf(e.composites,t);if(i!==-1&&(o.removeCompositeAt(e,i),o.setModified(e,!0,!0,!1)),n)for(var s=0;s<e.composites.length;s++)o.removeComposite(e.composites[s],t,!0);return e},o.removeCompositeAt=function(e,t){return e.composites.splice(t,1),o.setModified(e,!0,!0,!1),e},
e},o.removeBody=function(e,t,n){var i=r.indexOf(e.bodies,t);if(i!==-1&&(o.removeBodyAt(e,i),o.setModified(e,!0,!0,!1)),n)for(var s=0;s<e.composites.length;s++)o.removeBody(e.composites[s],t,!0);return e},o.removeBodyAt=function(e,t){return e.bodies.splice(t,1),o.setModified(e,!0,!0,!1),e},o.addConstraint=function(e,t){return e.constraints.push(t),o.setModified(e,!0,!0,!1),e},o.removeConstraint=function(e,t,n){var i=r.indexOf(e.constraints,t);if(i!==-1&&o.removeConstraintAt(e,i),n)for(var s=0;s<e.composites.length;s++)o.removeConstraint(e.composites[s],t,!0);return e},o.removeConstraintAt=function(e,t){return e.constraints.splice(t,1),o.setModified(e,!0,!0,!1),e},o.clear=function(e,t,n){if(n)for(var i=0;i<e.composites.length;i++)o.clear(e.composites[i],t,!0);return t?e.bodies=e.bodies.filter(function(e){return e.isStatic}):e.bodies.length=0,e.constraints.length=0,e.composites.length=0,o.setModified(e,!0,!0,!1),e},o.allBodies=function(e){for(var t=[].concat(e.bodies),n=0;n<e.composites.length;n++)t=t.concat(o.allBodies(e.composites[n])); o.addBody=function(e,t){return e.bodies.push(t),o.setModified(e,!0,!0,!1),e},o.removeBody=function(e,t,n){var i=r.indexOf(e.bodies,t);if(i!==-1&&(o.removeBodyAt(e,i),o.setModified(e,!0,!0,!1)),n)for(var s=0;s<e.composites.length;s++)o.removeBody(e.composites[s],t,!0);return e},o.removeBodyAt=function(e,t){return e.bodies.splice(t,1),o.setModified(e,!0,!0,!1),e},o.addConstraint=function(e,t){return e.constraints.push(t),o.setModified(e,!0,!0,!1),e},o.removeConstraint=function(e,t,n){var i=r.indexOf(e.constraints,t);if(i!==-1&&o.removeConstraintAt(e,i),n)for(var s=0;s<e.composites.length;s++)o.removeConstraint(e.composites[s],t,!0);return e},o.removeConstraintAt=function(e,t){return e.constraints.splice(t,1),o.setModified(e,!0,!0,!1),e},o.clear=function(e,t,n){if(n)for(var i=0;i<e.composites.length;i++)o.clear(e.composites[i],t,!0);return t?e.bodies=e.bodies.filter(function(e){return e.isStatic}):e.bodies.length=0,e.constraints.length=0,e.composites.length=0,o.setModified(e,!0,!0,!1),e},o.allBodies=function(e){
return t},o.allConstraints=function(e){for(var t=[].concat(e.constraints),n=0;n<e.composites.length;n++)t=t.concat(o.allConstraints(e.composites[n]));return t},o.allComposites=function(e){for(var t=[].concat(e.composites),n=0;n<e.composites.length;n++)t=t.concat(o.allComposites(e.composites[n]));return t},o.get=function(e,t,n){var i,r;switch(n){case"body":i=o.allBodies(e);break;case"constraint":i=o.allConstraints(e);break;case"composite":i=o.allComposites(e).concat(e)}return i?(r=i.filter(function(e){return e.id.toString()===t.toString()}),0===r.length?null:r[0]):null},o.move=function(e,t,n){return o.remove(e,t),o.add(n,t),e},o.rebase=function(e){for(var t=o.allBodies(e).concat(o.allConstraints(e)).concat(o.allComposites(e)),n=0;n<t.length;n++)t[n].id=r.nextId();return o.setModified(e,!0,!0,!1),e},o.translate=function(e,t,n){for(var i=n?o.allBodies(e):e.bodies,r=0;r<i.length;r++)s.translate(i[r],t);return o.setModified(e,!0,!0,!1),e},o.rotate=function(e,t,n,i){for(var r=Math.cos(t),a=Math.sin(t),l=i?o.allBodies(e):e.bodies,c=0;c<l.length;c++){ for(var t=[].concat(e.bodies),n=0;n<e.composites.length;n++)t=t.concat(o.allBodies(e.composites[n]));return t},o.allConstraints=function(e){for(var t=[].concat(e.constraints),n=0;n<e.composites.length;n++)t=t.concat(o.allConstraints(e.composites[n]));return t},o.allComposites=function(e){for(var t=[].concat(e.composites),n=0;n<e.composites.length;n++)t=t.concat(o.allComposites(e.composites[n]));return t},o.get=function(e,t,n){var i,r;switch(n){case"body":i=o.allBodies(e);break;case"constraint":i=o.allConstraints(e);break;case"composite":i=o.allComposites(e).concat(e)}return i?(r=i.filter(function(e){return e.id.toString()===t.toString()}),0===r.length?null:r[0]):null},o.move=function(e,t,n){return o.remove(e,t),o.add(n,t),e},o.rebase=function(e){for(var t=o.allBodies(e).concat(o.allConstraints(e)).concat(o.allComposites(e)),n=0;n<t.length;n++)t[n].id=r.nextId();return o.setModified(e,!0,!0,!1),e},o.translate=function(e,t,n){for(var i=n?o.allBodies(e):e.bodies,r=0;r<i.length;r++)s.translate(i[r],t);
var d=l[c],u=d.position.x-n.x,p=d.position.y-n.y;s.setPosition(d,{x:n.x+(u*r-p*a),y:n.y+(u*a+p*r)}),s.rotate(d,t)}return o.setModified(e,!0,!0,!1),e},o.scale=function(e,t,n,i,r){for(var a=r?o.allBodies(e):e.bodies,l=0;l<a.length;l++){var c=a[l],d=c.position.x-i.x,u=c.position.y-i.y;s.setPosition(c,{x:i.x+d*t,y:i.y+u*n}),s.scale(c,t,n)}return o.setModified(e,!0,!0,!1),e},o.bounds=function(e){for(var t=Matter.Composite.allBodies(e),n=[],o=0;o<t.length;o+=1){var i=t[o];n.push(i.bounds.min,i.bounds.max)}return Matter.Bounds.create(n)}}()},{"../core/Common":14,"../core/Events":16,"./Body":1}],3:[function(e,t,n){var o={};t.exports=o;var i=e("./Composite"),r=(e("../constraint/Constraint"),e("../core/Common"));!function(){o.create=function(e){var t=i.create(),n={label:"World",gravity:{x:0,y:1,scale:.001},bounds:{min:{x:-(1/0),y:-(1/0)},max:{x:1/0,y:1/0}}};return r.extend(t,n,e)}}()},{"../constraint/Constraint":12,"../core/Common":14,"./Composite":2}],4:[function(e,t,n){var o={};t.exports=o,function(){ return o.setModified(e,!0,!0,!1),e},o.rotate=function(e,t,n,i){for(var r=Math.cos(t),a=Math.sin(t),l=i?o.allBodies(e):e.bodies,c=0;c<l.length;c++){var d=l[c],u=d.position.x-n.x,p=d.position.y-n.y;s.setPosition(d,{x:n.x+(u*r-p*a),y:n.y+(u*a+p*r)}),s.rotate(d,t)}return o.setModified(e,!0,!0,!1),e},o.scale=function(e,t,n,i,r){for(var a=r?o.allBodies(e):e.bodies,l=0;l<a.length;l++){var c=a[l],d=c.position.x-i.x,u=c.position.y-i.y;s.setPosition(c,{x:i.x+d*t,y:i.y+u*n}),s.scale(c,t,n)}return o.setModified(e,!0,!0,!1),e},o.bounds=function(e){for(var t=Matter.Composite.allBodies(e),n=[],o=0;o<t.length;o+=1){var i=t[o];n.push(i.bounds.min,i.bounds.max)}return Matter.Bounds.create(n)}}()},{"../core/Common":14,"../core/Events":16,"./Body":1}],3:[function(e,t,n){var o={};t.exports=o;var i=e("./Composite"),r=(e("../constraint/Constraint"),e("../core/Common"));!function(){o.create=function(e){var t=i.create(),n={label:"World",gravity:{x:0,y:1,scale:.001},bounds:{min:{x:-(1/0),y:-(1/0)},max:{x:1/0,y:1/0
o.create=function(e){return{id:o.id(e),vertex:e,normalImpulse:0,tangentImpulse:0}},o.id=function(e){return e.body.id+"_"+e.index}}()},{}],5:[function(e,t,n){var o={};t.exports=o;var i=e("./SAT"),r=e("./Pair"),s=e("../geometry/Bounds");!function(){o.collisions=function(e,t){for(var n=[],a=t.pairs.table,l=0;l<e.length;l++){var c=e[l][0],d=e[l][1];if((!c.isStatic&&!c.isSleeping||!d.isStatic&&!d.isSleeping)&&o.canCollide(c.collisionFilter,d.collisionFilter)&&s.overlaps(c.bounds,d.bounds))for(var u=c.parts.length>1?1:0;u<c.parts.length;u++)for(var p=c.parts[u],f=d.parts.length>1?1:0;f<d.parts.length;f++){var m=d.parts[f];if(p===c&&m===d||s.overlaps(p.bounds,m.bounds)){var v,y=r.id(p,m),g=a[y];v=g&&g.isActive?g.collision:null;var x=i.collides(p,m,v);x.collided&&n.push(x)}}}return n},o.canCollide=function(e,t){return e.group===t.group&&0!==e.group?e.group>0:0!==(e.mask&t.category)&&0!==(t.mask&e.category)}}()},{"../geometry/Bounds":26,"./Pair":7,"./SAT":11}],6:[function(e,t,n){var o={};t.exports=o; }}};return r.extend(t,n,e)}}()},{"../constraint/Constraint":12,"../core/Common":14,"./Composite":2}],4:[function(e,t,n){var o={};t.exports=o,function(){o.create=function(e){return{id:o.id(e),vertex:e,normalImpulse:0,tangentImpulse:0}},o.id=function(e){return e.body.id+"_"+e.index}}()},{}],5:[function(e,t,n){var o={};t.exports=o;var i=e("./SAT"),r=e("./Pair"),s=e("../geometry/Bounds");!function(){o.collisions=function(e,t){for(var n=[],a=t.pairs.table,l=0;l<e.length;l++){var c=e[l][0],d=e[l][1];if((!c.isStatic&&!c.isSleeping||!d.isStatic&&!d.isSleeping)&&o.canCollide(c.collisionFilter,d.collisionFilter)&&s.overlaps(c.bounds,d.bounds))for(var u=c.parts.length>1?1:0;u<c.parts.length;u++)for(var p=c.parts[u],f=d.parts.length>1?1:0;f<d.parts.length;f++){var m=d.parts[f];if(p===c&&m===d||s.overlaps(p.bounds,m.bounds)){var v,y=r.id(p,m),g=a[y];v=g&&g.isActive?g.collision:null;var x=i.collides(p,m,v);x.collided&&n.push(x)}}}return n},o.canCollide=function(e,t){return e.group===t.group&&0!==e.group?e.group>0:0!==(e.mask&t.category)&&0!==(t.mask&e.category);
var i=e("./Pair"),r=e("./Detector"),s=e("../core/Common");!function(){o.create=function(e){var t={controller:o,detector:r.collisions,buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48};return s.extend(t,e)},o.update=function(n,o,i,r){var s,p,f,m,v,y=i.world,g=n.buckets,x=!1;for(s=0;s<o.length;s++){var h=o[s];if((!h.isSleeping||r)&&!(h.bounds.max.x<y.bounds.min.x||h.bounds.min.x>y.bounds.max.x||h.bounds.max.y<y.bounds.min.y||h.bounds.min.y>y.bounds.max.y)){var b=t(n,h);if(!h.region||b.id!==h.region.id||r){h.region&&!r||(h.region=b);var w=e(b,h.region);for(p=w.startCol;p<=w.endCol;p++)for(f=w.startRow;f<=w.endRow;f++){v=a(p,f),m=g[v];var S=p>=b.startCol&&p<=b.endCol&&f>=b.startRow&&f<=b.endRow,C=p>=h.region.startCol&&p<=h.region.endCol&&f>=h.region.startRow&&f<=h.region.endRow;!S&&C&&C&&m&&d(n,m,h),(h.region===b||S&&!C||r)&&(m||(m=l(g,v)),c(n,m,h))}h.region=b,x=!0}}}x&&(n.pairsList=u(n))},o.clear=function(e){e.buckets={},e.pairs={},e.pairsList=[]};var e=function(e,t){var o=Math.min(e.startCol,t.startCol),i=Math.max(e.endCol,t.endCol),r=Math.min(e.startRow,t.startRow),s=Math.max(e.endRow,t.endRow); }}()},{"../geometry/Bounds":26,"./Pair":7,"./SAT":11}],6:[function(e,t,n){var o={};t.exports=o;var i=e("./Pair"),r=e("./Detector"),s=e("../core/Common");!function(){o.create=function(e){var t={controller:o,detector:r.collisions,buckets:{},pairs:{},pairsList:[],bucketWidth:48,bucketHeight:48};return s.extend(t,e)},o.update=function(e,t,n,i){var r,s,a,l,c,d=n.world,u=e.buckets,p=!1;for(r=0;r<t.length;r++){var f=t[r];if((!f.isSleeping||i)&&!(f.bounds.max.x<d.bounds.min.x||f.bounds.min.x>d.bounds.max.x||f.bounds.max.y<d.bounds.min.y||f.bounds.min.y>d.bounds.max.y)){var m=o._getRegion(e,f);if(!f.region||m.id!==f.region.id||i){f.region&&!i||(f.region=m);var v=o._regionUnion(m,f.region);for(s=v.startCol;s<=v.endCol;s++)for(a=v.startRow;a<=v.endRow;a++){c=o._getBucketId(s,a),l=u[c];var y=s>=m.startCol&&s<=m.endCol&&a>=m.startRow&&a<=m.endRow,g=s>=f.region.startCol&&s<=f.region.endCol&&a>=f.region.startRow&&a<=f.region.endRow;!y&&g&&g&&l&&o._bucketRemoveBody(e,l,f),(f.region===m||y&&!g||i)&&(l||(l=o._createBucket(u,c)),
return n(o,i,r,s)},t=function(e,t){var o=t.bounds,i=Math.floor(o.min.x/e.bucketWidth),r=Math.floor(o.max.x/e.bucketWidth),s=Math.floor(o.min.y/e.bucketHeight),a=Math.floor(o.max.y/e.bucketHeight);return n(i,r,s,a)},n=function(e,t,n,o){return{id:e+","+t+","+n+","+o,startCol:e,endCol:t,startRow:n,endRow:o}},a=function(e,t){return"C"+e+"R"+t},l=function(e,t){var n=e[t]=[];return n},c=function(e,t,n){for(var o=0;o<t.length;o++){var r=t[o];if(!(n.id===r.id||n.isStatic&&r.isStatic)){var s=i.id(n,r),a=e.pairs[s];a?a[2]+=1:e.pairs[s]=[n,r,1]}}t.push(n)},d=function(e,t,n){t.splice(s.indexOf(t,n),1);for(var o=0;o<t.length;o++){var r=t[o],a=i.id(n,r),l=e.pairs[a];l&&(l[2]-=1)}},u=function(e){var t,n,o=[];t=s.keys(e.pairs);for(var i=0;i<t.length;i++)n=e.pairs[t[i]],n[2]>0?o.push(n):delete e.pairs[t[i]];return o}}()},{"../core/Common":14,"./Detector":5,"./Pair":7}],7:[function(e,t,n){var o={};t.exports=o;var i=e("./Contact");!function(){o.create=function(e,t){var n=e.bodyA,i=e.bodyB,r=e.parentA,s=e.parentB,a={ o._bucketAddBody(e,l,f))}f.region=m,p=!0}}}p&&(e.pairsList=o._createActivePairsList(e))},o.clear=function(e){e.buckets={},e.pairs={},e.pairsList=[]},o._regionUnion=function(e,t){var n=Math.min(e.startCol,t.startCol),i=Math.max(e.endCol,t.endCol),r=Math.min(e.startRow,t.startRow),s=Math.max(e.endRow,t.endRow);return o._createRegion(n,i,r,s)},o._getRegion=function(e,t){var n=t.bounds,i=Math.floor(n.min.x/e.bucketWidth),r=Math.floor(n.max.x/e.bucketWidth),s=Math.floor(n.min.y/e.bucketHeight),a=Math.floor(n.max.y/e.bucketHeight);return o._createRegion(i,r,s,a)},o._createRegion=function(e,t,n,o){return{id:e+","+t+","+n+","+o,startCol:e,endCol:t,startRow:n,endRow:o}},o._getBucketId=function(e,t){return"C"+e+"R"+t},o._createBucket=function(e,t){var n=e[t]=[];return n},o._bucketAddBody=function(e,t,n){for(var o=0;o<t.length;o++){var r=t[o];if(!(n.id===r.id||n.isStatic&&r.isStatic)){var s=i.id(n,r),a=e.pairs[s];a?a[2]+=1:e.pairs[s]=[n,r,1]}}t.push(n)},o._bucketRemoveBody=function(e,t,n){t.splice(s.indexOf(t,n),1);
id:o.id(n,i),bodyA:n,bodyB:i,contacts:{},activeContacts:[],separation:0,isActive:!0,isSensor:n.isSensor||i.isSensor,timeCreated:t,timeUpdated:t,inverseMass:r.inverseMass+s.inverseMass,friction:Math.min(r.friction,s.friction),frictionStatic:Math.max(r.frictionStatic,s.frictionStatic),restitution:Math.max(r.restitution,s.restitution),slop:Math.max(r.slop,s.slop)};return o.update(a,e,t),a},o.update=function(e,t,n){var r=e.contacts,s=t.supports,a=e.activeContacts,l=t.parentA,c=t.parentB;if(e.collision=t,e.inverseMass=l.inverseMass+c.inverseMass,e.friction=Math.min(l.friction,c.friction),e.frictionStatic=Math.max(l.frictionStatic,c.frictionStatic),e.restitution=Math.max(l.restitution,c.restitution),e.slop=Math.max(l.slop,c.slop),a.length=0,t.collided){for(var d=0;d<s.length;d++){var u=s[d],p=i.id(u),f=r[p];f?a.push(f):a.push(r[p]=i.create(u))}e.separation=t.depth,o.setActive(e,!0,n)}else e.isActive===!0&&o.setActive(e,!1,n)},o.setActive=function(e,t,n){t?(e.isActive=!0,e.timeUpdated=n):(e.isActive=!1, for(var o=0;o<t.length;o++){var r=t[o],a=i.id(n,r),l=e.pairs[a];l&&(l[2]-=1)}},o._createActivePairsList=function(e){var t,n,o=[];t=s.keys(e.pairs);for(var i=0;i<t.length;i++)n=e.pairs[t[i]],n[2]>0?o.push(n):delete e.pairs[t[i]];return o}}()},{"../core/Common":14,"./Detector":5,"./Pair":7}],7:[function(e,t,n){var o={};t.exports=o;var i=e("./Contact");!function(){o.create=function(e,t){var n=e.bodyA,i=e.bodyB,r=e.parentA,s=e.parentB,a={id:o.id(n,i),bodyA:n,bodyB:i,contacts:{},activeContacts:[],separation:0,isActive:!0,isSensor:n.isSensor||i.isSensor,timeCreated:t,timeUpdated:t,inverseMass:r.inverseMass+s.inverseMass,friction:Math.min(r.friction,s.friction),frictionStatic:Math.max(r.frictionStatic,s.frictionStatic),restitution:Math.max(r.restitution,s.restitution),slop:Math.max(r.slop,s.slop)};return o.update(a,e,t),a},o.update=function(e,t,n){var r=e.contacts,s=t.supports,a=e.activeContacts,l=t.parentA,c=t.parentB;if(e.collision=t,e.inverseMass=l.inverseMass+c.inverseMass,e.friction=Math.min(l.friction,c.friction),
e.activeContacts.length=0)},o.id=function(e,t){return e.id<t.id?"A"+e.id+"B"+t.id:"A"+t.id+"B"+e.id}}()},{"./Contact":4}],8:[function(e,t,n){var o={};t.exports=o;var i=e("./Pair"),r=e("../core/Common");!function(){var e=1e3;o.create=function(e){return r.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},e)},o.update=function(e,t,n){var o,s,a,l,c=e.list,d=e.table,u=e.collisionStart,p=e.collisionEnd,f=e.collisionActive,m=[];for(u.length=0,p.length=0,f.length=0,l=0;l<t.length;l++)o=t[l],o.collided&&(s=i.id(o.bodyA,o.bodyB),m.push(s),a=d[s],a?(a.isActive?f.push(a):u.push(a),i.update(a,o,n)):(a=i.create(o,n),d[s]=a,u.push(a),c.push(a)));for(l=0;l<c.length;l++)a=c[l],a.isActive&&r.indexOf(m,a.id)===-1&&(i.setActive(a,!1,n),p.push(a))},o.removeOld=function(t,n){var o,i,r,s,a=t.list,l=t.table,c=[];for(s=0;s<a.length;s++)o=a[s],i=o.collision,i.bodyA.isSleeping||i.bodyB.isSleeping?o.timeUpdated=n:n-o.timeUpdated>e&&c.push(s);for(s=0;s<c.length;s++)r=c[s]-s,o=a[r],delete l[o.id], e.frictionStatic=Math.max(l.frictionStatic,c.frictionStatic),e.restitution=Math.max(l.restitution,c.restitution),e.slop=Math.max(l.slop,c.slop),a.length=0,t.collided){for(var d=0;d<s.length;d++){var u=s[d],p=i.id(u),f=r[p];f?a.push(f):a.push(r[p]=i.create(u))}e.separation=t.depth,o.setActive(e,!0,n)}else e.isActive===!0&&o.setActive(e,!1,n)},o.setActive=function(e,t,n){t?(e.isActive=!0,e.timeUpdated=n):(e.isActive=!1,e.activeContacts.length=0)},o.id=function(e,t){return e.id<t.id?"A"+e.id+"B"+t.id:"A"+t.id+"B"+e.id}}()},{"./Contact":4}],8:[function(e,t,n){var o={};t.exports=o;var i=e("./Pair"),r=e("../core/Common");!function(){o._pairMaxIdleLife=1e3,o.create=function(e){return r.extend({table:{},list:[],collisionStart:[],collisionActive:[],collisionEnd:[]},e)},o.update=function(e,t,n){var o,s,a,l,c=e.list,d=e.table,u=e.collisionStart,p=e.collisionEnd,f=e.collisionActive,m=[];for(u.length=0,p.length=0,f.length=0,l=0;l<t.length;l++)o=t[l],o.collided&&(s=i.id(o.bodyA,o.bodyB),m.push(s),a=d[s],
a.splice(r,1)},o.clear=function(e){return e.table={},e.list.length=0,e.collisionStart.length=0,e.collisionActive.length=0,e.collisionEnd.length=0,e}}()},{"../core/Common":14,"./Pair":7}],9:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vector"),r=e("./SAT"),s=e("../geometry/Bounds"),a=e("../factory/Bodies"),l=e("../geometry/Vertices");!function(){o.ray=function(e,t,n,o){o=o||1e-100;for(var l=i.angle(t,n),c=i.magnitude(i.sub(t,n)),d=.5*(n.x+t.x),u=.5*(n.y+t.y),p=a.rectangle(d,u,c,o,{angle:l}),f=[],m=0;m<e.length;m++){var v=e[m];if(s.overlaps(v.bounds,p.bounds))for(var y=1===v.parts.length?0:1;y<v.parts.length;y++){var g=v.parts[y];if(s.overlaps(g.bounds,p.bounds)){var x=r.collides(g,p);if(x.collided){x.body=x.bodyA=x.bodyB=v,f.push(x);break}}}}return f},o.region=function(e,t,n){for(var o=[],i=0;i<e.length;i++){var r=e[i],a=s.overlaps(r.bounds,t);(a&&!n||!a&&n)&&o.push(r)}return o},o.point=function(e,t){for(var n=[],o=0;o<e.length;o++){var i=e[o];if(s.contains(i.bounds,t))for(var r=1===i.parts.length?0:1;r<i.parts.length;r++){ a?(a.isActive?f.push(a):u.push(a),i.update(a,o,n)):(a=i.create(o,n),d[s]=a,u.push(a),c.push(a)));for(l=0;l<c.length;l++)a=c[l],a.isActive&&r.indexOf(m,a.id)===-1&&(i.setActive(a,!1,n),p.push(a))},o.removeOld=function(e,t){var n,i,r,s,a=e.list,l=e.table,c=[];for(s=0;s<a.length;s++)n=a[s],i=n.collision,i.bodyA.isSleeping||i.bodyB.isSleeping?n.timeUpdated=t:t-n.timeUpdated>o._pairMaxIdleLife&&c.push(s);for(s=0;s<c.length;s++)r=c[s]-s,n=a[r],delete l[n.id],a.splice(r,1)},o.clear=function(e){return e.table={},e.list.length=0,e.collisionStart.length=0,e.collisionActive.length=0,e.collisionEnd.length=0,e}}()},{"../core/Common":14,"./Pair":7}],9:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vector"),r=e("./SAT"),s=e("../geometry/Bounds"),a=e("../factory/Bodies"),l=e("../geometry/Vertices");!function(){o.collides=function(e,t){for(var n=[],o=0;o<t.length;o++){var i=t[o];if(s.overlaps(i.bounds,e.bounds))for(var a=1===i.parts.length?0:1;a<i.parts.length;a++){var l=i.parts[a];if(s.overlaps(l.bounds,e.bounds)){
var a=i.parts[r];if(s.contains(a.bounds,t)&&l.contains(a.vertices,t)){n.push(i);break}}}return n}}()},{"../factory/Bodies":23,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29,"./SAT":11}],10:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Common"),a=e("../geometry/Bounds");!function(){o._restingThresh=4,o._restingThreshTangent=6,o._positionDampen=.9,o._positionWarming=.8,o._frictionNormalMultiplier=5,o.preSolvePosition=function(e){var t,n,o;for(t=0;t<e.length;t++)n=e[t],n.isActive&&(o=n.activeContacts.length,n.collision.parentA.totalContacts+=o,n.collision.parentB.totalContacts+=o)},o.solvePosition=function(e,t){var n,i,s,a,l,c,d,u,p,f=r._temp[0],m=r._temp[1],v=r._temp[2],y=r._temp[3];for(n=0;n<e.length;n++)i=e[n],i.isActive&&!i.isSensor&&(s=i.collision,a=s.parentA,l=s.parentB,c=s.normal,d=r.sub(r.add(l.positionImpulse,l.position,f),r.add(a.positionImpulse,r.sub(l.position,s.penetration,m),v),y),i.separation=r.dot(c,d)); var c=r.collides(l,e);if(c.collided){n.push(c);break}}}}return n},o.ray=function(e,t,n,r){r=r||1e-100;for(var s=i.angle(t,n),l=i.magnitude(i.sub(t,n)),c=.5*(n.x+t.x),d=.5*(n.y+t.y),u=a.rectangle(c,d,l,r,{angle:s}),p=o.collides(u,e),f=0;f<p.length;f+=1){var m=p[f];m.body=m.bodyB=m.bodyA}return p},o.region=function(e,t,n){for(var o=[],i=0;i<e.length;i++){var r=e[i],a=s.overlaps(r.bounds,t);(a&&!n||!a&&n)&&o.push(r)}return o},o.point=function(e,t){for(var n=[],o=0;o<e.length;o++){var i=e[o];if(s.contains(i.bounds,t))for(var r=1===i.parts.length?0:1;r<i.parts.length;r++){var a=i.parts[r];if(s.contains(a.bounds,t)&&l.contains(a.vertices,t)){n.push(i);break}}}return n}}()},{"../factory/Bodies":23,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29,"./SAT":11}],10:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Common"),a=e("../geometry/Bounds");!function(){o._restingThresh=4,o._restingThreshTangent=6,o._positionDampen=.9,
for(n=0;n<e.length;n++)i=e[n],i.isActive&&!i.isSensor&&(s=i.collision,a=s.parentA,l=s.parentB,c=s.normal,p=(i.separation-i.slop)*t,(a.isStatic||l.isStatic)&&(p*=2),a.isStatic||a.isSleeping||(u=o._positionDampen/a.totalContacts,a.positionImpulse.x+=c.x*p*u,a.positionImpulse.y+=c.y*p*u),l.isStatic||l.isSleeping||(u=o._positionDampen/l.totalContacts,l.positionImpulse.x-=c.x*p*u,l.positionImpulse.y-=c.y*p*u))},o.postSolvePosition=function(e){for(var t=0;t<e.length;t++){var n=e[t];if(n.totalContacts=0,0!==n.positionImpulse.x||0!==n.positionImpulse.y){for(var s=0;s<n.parts.length;s++){var l=n.parts[s];i.translate(l.vertices,n.positionImpulse),a.update(l.bounds,l.vertices,n.velocity),l.position.x+=n.positionImpulse.x,l.position.y+=n.positionImpulse.y}n.positionPrev.x+=n.positionImpulse.x,n.positionPrev.y+=n.positionImpulse.y,r.dot(n.positionImpulse,n.velocity)<0?(n.positionImpulse.x=0,n.positionImpulse.y=0):(n.positionImpulse.x*=o._positionWarming,n.positionImpulse.y*=o._positionWarming)}}},o.preSolveVelocity=function(e){ o._positionWarming=.8,o._frictionNormalMultiplier=5,o.preSolvePosition=function(e){var t,n,o;for(t=0;t<e.length;t++)n=e[t],n.isActive&&(o=n.activeContacts.length,n.collision.parentA.totalContacts+=o,n.collision.parentB.totalContacts+=o)},o.solvePosition=function(e,t){var n,i,s,a,l,c,d,u,p,f=r._temp[0],m=r._temp[1],v=r._temp[2],y=r._temp[3];for(n=0;n<e.length;n++)i=e[n],i.isActive&&!i.isSensor&&(s=i.collision,a=s.parentA,l=s.parentB,c=s.normal,d=r.sub(r.add(l.positionImpulse,l.position,f),r.add(a.positionImpulse,r.sub(l.position,s.penetration,m),v),y),i.separation=r.dot(c,d));for(n=0;n<e.length;n++)i=e[n],i.isActive&&!i.isSensor&&(s=i.collision,a=s.parentA,l=s.parentB,c=s.normal,p=(i.separation-i.slop)*t,(a.isStatic||l.isStatic)&&(p*=2),a.isStatic||a.isSleeping||(u=o._positionDampen/a.totalContacts,a.positionImpulse.x+=c.x*p*u,a.positionImpulse.y+=c.y*p*u),l.isStatic||l.isSleeping||(u=o._positionDampen/l.totalContacts,l.positionImpulse.x-=c.x*p*u,l.positionImpulse.y-=c.y*p*u))},o.postSolvePosition=function(e){
var t,n,o,i,s,a,l,c,d,u,p,f,m,v,y=r._temp[0],g=r._temp[1];for(t=0;t<e.length;t++)if(o=e[t],o.isActive&&!o.isSensor)for(i=o.activeContacts,s=o.collision,a=s.parentA,l=s.parentB,c=s.normal,d=s.tangent,n=0;n<i.length;n++)u=i[n],p=u.vertex,f=u.normalImpulse,m=u.tangentImpulse,0===f&&0===m||(y.x=c.x*f+d.x*m,y.y=c.y*f+d.y*m,a.isStatic||a.isSleeping||(v=r.sub(p,a.position,g),a.positionPrev.x+=y.x*a.inverseMass,a.positionPrev.y+=y.y*a.inverseMass,a.anglePrev+=r.cross(v,y)*a.inverseInertia),l.isStatic||l.isSleeping||(v=r.sub(p,l.position,g),l.positionPrev.x-=y.x*l.inverseMass,l.positionPrev.y-=y.y*l.inverseMass,l.anglePrev-=r.cross(v,y)*l.inverseInertia))},o.solveVelocity=function(e,t){for(var n=t*t,i=r._temp[0],a=r._temp[1],l=r._temp[2],c=r._temp[3],d=r._temp[4],u=r._temp[5],p=0;p<e.length;p++){var f=e[p];if(f.isActive&&!f.isSensor){var m=f.collision,v=m.parentA,y=m.parentB,g=m.normal,x=m.tangent,h=f.activeContacts,b=1/h.length;v.velocity.x=v.position.x-v.positionPrev.x,v.velocity.y=v.position.y-v.positionPrev.y, for(var t=0;t<e.length;t++){var n=e[t];if(n.totalContacts=0,0!==n.positionImpulse.x||0!==n.positionImpulse.y){for(var s=0;s<n.parts.length;s++){var l=n.parts[s];i.translate(l.vertices,n.positionImpulse),a.update(l.bounds,l.vertices,n.velocity),l.position.x+=n.positionImpulse.x,l.position.y+=n.positionImpulse.y}n.positionPrev.x+=n.positionImpulse.x,n.positionPrev.y+=n.positionImpulse.y,r.dot(n.positionImpulse,n.velocity)<0?(n.positionImpulse.x=0,n.positionImpulse.y=0):(n.positionImpulse.x*=o._positionWarming,n.positionImpulse.y*=o._positionWarming)}}},o.preSolveVelocity=function(e){var t,n,o,i,s,a,l,c,d,u,p,f,m,v,y=r._temp[0],g=r._temp[1];for(t=0;t<e.length;t++)if(o=e[t],o.isActive&&!o.isSensor)for(i=o.activeContacts,s=o.collision,a=s.parentA,l=s.parentB,c=s.normal,d=s.tangent,n=0;n<i.length;n++)u=i[n],p=u.vertex,f=u.normalImpulse,m=u.tangentImpulse,0===f&&0===m||(y.x=c.x*f+d.x*m,y.y=c.y*f+d.y*m,a.isStatic||a.isSleeping||(v=r.sub(p,a.position,g),a.positionPrev.x+=y.x*a.inverseMass,a.positionPrev.y+=y.y*a.inverseMass,
y.velocity.x=y.position.x-y.positionPrev.x,y.velocity.y=y.position.y-y.positionPrev.y,v.angularVelocity=v.angle-v.anglePrev,y.angularVelocity=y.angle-y.anglePrev;for(var w=0;w<h.length;w++){var S=h[w],C=S.vertex,A=r.sub(C,v.position,a),P=r.sub(C,y.position,l),B=r.add(v.velocity,r.mult(r.perp(A),v.angularVelocity),c),M=r.add(y.velocity,r.mult(r.perp(P),y.angularVelocity),d),k=r.sub(B,M,u),I=r.dot(g,k),T=r.dot(x,k),V=Math.abs(T),_=s.sign(T),R=(1+f.restitution)*I,E=s.clamp(f.separation+I,0,1)*o._frictionNormalMultiplier,L=T,F=1/0;V>f.friction*f.frictionStatic*E*n&&(F=V,L=s.clamp(f.friction*_*n,-F,F));var O=r.cross(A,g),q=r.cross(P,g),W=b/(v.inverseMass+y.inverseMass+v.inverseInertia*O*O+y.inverseInertia*q*q);if(R*=W,L*=W,I<0&&I*I>o._restingThresh*n)S.normalImpulse=0;else{var D=S.normalImpulse;S.normalImpulse=Math.min(S.normalImpulse+R,0),R=S.normalImpulse-D}if(T*T>o._restingThreshTangent*n)S.tangentImpulse=0;else{var N=S.tangentImpulse;S.tangentImpulse=s.clamp(S.tangentImpulse+L,-F,F),L=S.tangentImpulse-N; a.anglePrev+=r.cross(v,y)*a.inverseInertia),l.isStatic||l.isSleeping||(v=r.sub(p,l.position,g),l.positionPrev.x-=y.x*l.inverseMass,l.positionPrev.y-=y.y*l.inverseMass,l.anglePrev-=r.cross(v,y)*l.inverseInertia))},o.solveVelocity=function(e,t){for(var n=t*t,i=r._temp[0],a=r._temp[1],l=r._temp[2],c=r._temp[3],d=r._temp[4],u=r._temp[5],p=0;p<e.length;p++){var f=e[p];if(f.isActive&&!f.isSensor){var m=f.collision,v=m.parentA,y=m.parentB,g=m.normal,x=m.tangent,h=f.activeContacts,b=1/h.length;v.velocity.x=v.position.x-v.positionPrev.x,v.velocity.y=v.position.y-v.positionPrev.y,y.velocity.x=y.position.x-y.positionPrev.x,y.velocity.y=y.position.y-y.positionPrev.y,v.angularVelocity=v.angle-v.anglePrev,y.angularVelocity=y.angle-y.anglePrev;for(var w=0;w<h.length;w++){var S=h[w],C=S.vertex,A=r.sub(C,v.position,a),P=r.sub(C,y.position,l),B=r.add(v.velocity,r.mult(r.perp(A),v.angularVelocity),c),M=r.add(y.velocity,r.mult(r.perp(P),y.angularVelocity),d),k=r.sub(B,M,u),I=r.dot(g,k),_=r.dot(x,k),T=Math.abs(_),R=s.sign(_),V=(1+f.restitution)*I,E=s.clamp(f.separation+I,0,1)*o._frictionNormalMultiplier,L=_,F=1/0;
}i.x=g.x*R+x.x*L,i.y=g.y*R+x.y*L,v.isStatic||v.isSleeping||(v.positionPrev.x+=i.x*v.inverseMass,v.positionPrev.y+=i.y*v.inverseMass,v.anglePrev+=r.cross(A,i)*v.inverseInertia),y.isStatic||y.isSleeping||(y.positionPrev.x-=i.x*y.inverseMass,y.positionPrev.y-=i.y*y.inverseMass,y.anglePrev-=r.cross(P,i)*y.inverseInertia)}}}}}()},{"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],11:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector");!function(){o.collides=function(t,o,s){var a,l,c,d,u=!1;if(s){var p=t.parent,f=o.parent,m=p.speed*p.speed+p.angularSpeed*p.angularSpeed+f.speed*f.speed+f.angularSpeed*f.angularSpeed;u=s&&s.collided&&m<.2,d=s}else d={collided:!1,bodyA:t,bodyB:o};if(s&&u){var v=d.axisBody,y=v===t?o:t,g=[v.axes[s.axisNumber]];if(c=e(v.vertices,y.vertices,g),d.reused=!0,c.overlap<=0)return d.collided=!1,d}else{if(a=e(t.vertices,o.vertices,t.axes),a.overlap<=0)return d.collided=!1,d;if(l=e(o.vertices,t.vertices,o.axes), T>f.friction*f.frictionStatic*E*n&&(F=T,L=s.clamp(f.friction*R*n,-F,F));var O=r.cross(A,g),q=r.cross(P,g),W=b/(v.inverseMass+y.inverseMass+v.inverseInertia*O*O+y.inverseInertia*q*q);if(V*=W,L*=W,I<0&&I*I>o._restingThresh*n)S.normalImpulse=0;else{var D=S.normalImpulse;S.normalImpulse=Math.min(S.normalImpulse+V,0),V=S.normalImpulse-D}if(_*_>o._restingThreshTangent*n)S.tangentImpulse=0;else{var N=S.tangentImpulse;S.tangentImpulse=s.clamp(S.tangentImpulse+L,-F,F),L=S.tangentImpulse-N}i.x=g.x*V+x.x*L,i.y=g.y*V+x.y*L,v.isStatic||v.isSleeping||(v.positionPrev.x+=i.x*v.inverseMass,v.positionPrev.y+=i.y*v.inverseMass,v.anglePrev+=r.cross(A,i)*v.inverseInertia),y.isStatic||y.isSleeping||(y.positionPrev.x-=i.x*y.inverseMass,y.positionPrev.y-=i.y*y.inverseMass,y.anglePrev-=r.cross(P,i)*y.inverseInertia)}}}}}()},{"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],11:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector");
l.overlap<=0)return d.collided=!1,d;a.overlap<l.overlap?(c=a,d.axisBody=t):(c=l,d.axisBody=o),d.axisNumber=c.axisNumber}d.bodyA=t.id<o.id?t:o,d.bodyB=t.id<o.id?o:t,d.collided=!0,d.depth=c.overlap,d.parentA=d.bodyA.parent,d.parentB=d.bodyB.parent,t=d.bodyA,o=d.bodyB,r.dot(c.axis,r.sub(o.position,t.position))<0?d.normal={x:c.axis.x,y:c.axis.y}:d.normal={x:-c.axis.x,y:-c.axis.y},d.tangent=r.perp(d.normal),d.penetration=d.penetration||{},d.penetration.x=d.normal.x*d.depth,d.penetration.y=d.normal.y*d.depth;var x=n(t,o,d.normal),h=[];if(i.contains(t.vertices,x[0])&&h.push(x[0]),i.contains(t.vertices,x[1])&&h.push(x[1]),h.length<2){var b=n(o,t,r.neg(d.normal));i.contains(o.vertices,b[0])&&h.push(b[0]),h.length<2&&i.contains(o.vertices,b[1])&&h.push(b[1])}return h.length<1&&(h=[x[0]]),d.supports=h,d};var e=function(e,n,o){for(var i,s,a=r._temp[0],l=r._temp[1],c={overlap:Number.MAX_VALUE},d=0;d<o.length;d++){if(s=o[d],t(a,e,s),t(l,n,s),i=Math.min(a.max-l.min,l.max-a.min),i<=0)return c.overlap=i, !function(){o.collides=function(e,t,n){var s,a,l,c,d=!1;if(n){var u=e.parent,p=t.parent,f=u.speed*u.speed+u.angularSpeed*u.angularSpeed+p.speed*p.speed+p.angularSpeed*p.angularSpeed;d=n&&n.collided&&f<.2,c=n}else c={collided:!1,bodyA:e,bodyB:t};if(n&&d){var m=c.axisBody,v=m===e?t:e,y=[m.axes[n.axisNumber]];if(l=o._overlapAxes(m.vertices,v.vertices,y),c.reused=!0,l.overlap<=0)return c.collided=!1,c}else{if(s=o._overlapAxes(e.vertices,t.vertices,e.axes),s.overlap<=0)return c.collided=!1,c;if(a=o._overlapAxes(t.vertices,e.vertices,t.axes),a.overlap<=0)return c.collided=!1,c;s.overlap<a.overlap?(l=s,c.axisBody=e):(l=a,c.axisBody=t),c.axisNumber=l.axisNumber}c.bodyA=e.id<t.id?e:t,c.bodyB=e.id<t.id?t:e,c.collided=!0,c.depth=l.overlap,c.parentA=c.bodyA.parent,c.parentB=c.bodyB.parent,e=c.bodyA,t=c.bodyB,r.dot(l.axis,r.sub(t.position,e.position))<0?c.normal={x:l.axis.x,y:l.axis.y}:c.normal={x:-l.axis.x,y:-l.axis.y},c.tangent=r.perp(c.normal),c.penetration=c.penetration||{},c.penetration.x=c.normal.x*c.depth,
c;i<c.overlap&&(c.overlap=i,c.axis=s,c.axisNumber=d)}return c},t=function(e,t,n){for(var o=r.dot(t[0],n),i=o,s=1;s<t.length;s+=1){var a=r.dot(t[s],n);a>i?i=a:a<o&&(o=a)}e.min=o,e.max=i},n=function(e,t,n){for(var o,i,s,a,l=Number.MAX_VALUE,c=r._temp[0],d=t.vertices,u=e.position,p=0;p<d.length;p++)i=d[p],c.x=i.x-u.x,c.y=i.y-u.y,o=-r.dot(n,c),o<l&&(l=o,s=i);var f=s.index-1>=0?s.index-1:d.length-1;i=d[f],c.x=i.x-u.x,c.y=i.y-u.y,l=-r.dot(n,c),a=i;var m=(s.index+1)%d.length;return i=d[m],c.x=i.x-u.x,c.y=i.y-u.y,o=-r.dot(n,c),o<l&&(a=i),[s,a]}}()},{"../geometry/Vector":28,"../geometry/Vertices":29}],12:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Sleeping"),a=e("../geometry/Bounds"),l=e("../geometry/Axes"),c=e("../core/Common");!function(){o._warming=.4,o._torqueDampen=1,o._minLength=1e-6,o.create=function(e){var t=e;t.bodyA&&!t.pointA&&(t.pointA={x:0,y:0}),t.bodyB&&!t.pointB&&(t.pointB={x:0,y:0});var n=t.bodyA?r.add(t.bodyA.position,t.pointA):t.pointA,o=t.bodyB?r.add(t.bodyB.position,t.pointB):t.pointB,i=r.magnitude(r.sub(n,o)); c.penetration.y=c.normal.y*c.depth;var g=o._findSupports(e,t,c.normal),x=[];if(i.contains(e.vertices,g[0])&&x.push(g[0]),i.contains(e.vertices,g[1])&&x.push(g[1]),x.length<2){var h=o._findSupports(t,e,r.neg(c.normal));i.contains(t.vertices,h[0])&&x.push(h[0]),x.length<2&&i.contains(t.vertices,h[1])&&x.push(h[1])}return x.length<1&&(x=[g[0]]),c.supports=x,c},o._overlapAxes=function(e,t,n){for(var i,s,a=r._temp[0],l=r._temp[1],c={overlap:Number.MAX_VALUE},d=0;d<n.length;d++){if(s=n[d],o._projectToAxis(a,e,s),o._projectToAxis(l,t,s),i=Math.min(a.max-l.min,l.max-a.min),i<=0)return c.overlap=i,c;i<c.overlap&&(c.overlap=i,c.axis=s,c.axisNumber=d)}return c},o._projectToAxis=function(e,t,n){for(var o=r.dot(t[0],n),i=o,s=1;s<t.length;s+=1){var a=r.dot(t[s],n);a>i?i=a:a<o&&(o=a)}e.min=o,e.max=i},o._findSupports=function(e,t,n){for(var o,i,s,a,l=Number.MAX_VALUE,c=r._temp[0],d=t.vertices,u=e.position,p=0;p<d.length;p++)i=d[p],c.x=i.x-u.x,c.y=i.y-u.y,o=-r.dot(n,c),o<l&&(l=o,s=i);var f=s.index-1>=0?s.index-1:d.length-1;
t.length="undefined"!=typeof t.length?t.length:i,t.id=t.id||c.nextId(),t.label=t.label||"Constraint",t.type="constraint",t.stiffness=t.stiffness||(t.length>0?1:.7),t.damping=t.damping||0,t.angularStiffness=t.angularStiffness||0,t.angleA=t.bodyA?t.bodyA.angle:t.angleA,t.angleB=t.bodyB?t.bodyB.angle:t.angleB,t.plugin={};var s={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return 0===t.length&&t.stiffness>.1?(s.type="pin",s.anchors=!1):t.stiffness<.9&&(s.type="spring"),t.render=c.extend(s,t.render),t},o.preSolveAll=function(e){for(var t=0;t<e.length;t+=1){var n=e[t],o=n.constraintImpulse;n.isStatic||0===o.x&&0===o.y&&0===o.angle||(n.position.x+=o.x,n.position.y+=o.y,n.angle+=o.angle)}},o.solveAll=function(e,t){for(var n=0;n<e.length;n+=1){var i=e[n],r=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic;(r||s)&&o.solve(e[n],t)}for(n=0;n<e.length;n+=1)i=e[n],r=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic,r||s||o.solve(e[n],t); i=d[f],c.x=i.x-u.x,c.y=i.y-u.y,l=-r.dot(n,c),a=i;var m=(s.index+1)%d.length;return i=d[m],c.x=i.x-u.x,c.y=i.y-u.y,o=-r.dot(n,c),o<l&&(a=i),[s,a]}}()},{"../geometry/Vector":28,"../geometry/Vertices":29}],12:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../geometry/Vector"),s=e("../core/Sleeping"),a=e("../geometry/Bounds"),l=e("../geometry/Axes"),c=e("../core/Common");!function(){o._warming=.4,o._torqueDampen=1,o._minLength=1e-6,o.create=function(e){var t=e;t.bodyA&&!t.pointA&&(t.pointA={x:0,y:0}),t.bodyB&&!t.pointB&&(t.pointB={x:0,y:0});var n=t.bodyA?r.add(t.bodyA.position,t.pointA):t.pointA,o=t.bodyB?r.add(t.bodyB.position,t.pointB):t.pointB,i=r.magnitude(r.sub(n,o));t.length="undefined"!=typeof t.length?t.length:i,t.id=t.id||c.nextId(),t.label=t.label||"Constraint",t.type="constraint",t.stiffness=t.stiffness||(t.length>0?1:.7),t.damping=t.damping||0,t.angularStiffness=t.angularStiffness||0,t.angleA=t.bodyA?t.bodyA.angle:t.angleA,t.angleB=t.bodyB?t.bodyB.angle:t.angleB,
},o.solve=function(e,t){var n=e.bodyA,i=e.bodyB,s=e.pointA,a=e.pointB;if(n||i){n&&!n.isStatic&&(r.rotate(s,n.angle-e.angleA,s),e.angleA=n.angle),i&&!i.isStatic&&(r.rotate(a,i.angle-e.angleB,a),e.angleB=i.angle);var l=s,c=a;if(n&&(l=r.add(n.position,s)),i&&(c=r.add(i.position,a)),l&&c){var d=r.sub(l,c),u=r.magnitude(d);u<o._minLength&&(u=o._minLength);var p,f,m,v,y,g=(u-e.length)/u,x=e.stiffness<1?e.stiffness*t:e.stiffness,h=r.mult(d,g*x),b=(n?n.inverseMass:0)+(i?i.inverseMass:0),w=(n?n.inverseInertia:0)+(i?i.inverseInertia:0),S=b+w;if(e.damping){var C=r.create();m=r.div(d,u),y=r.sub(i&&r.sub(i.position,i.positionPrev)||C,n&&r.sub(n.position,n.positionPrev)||C),v=r.dot(m,y)}n&&!n.isStatic&&(f=n.inverseMass/b,n.constraintImpulse.x-=h.x*f,n.constraintImpulse.y-=h.y*f,n.position.x-=h.x*f,n.position.y-=h.y*f,e.damping&&(n.positionPrev.x-=e.damping*m.x*v*f,n.positionPrev.y-=e.damping*m.y*v*f),p=r.cross(s,h)/S*o._torqueDampen*n.inverseInertia*(1-e.angularStiffness),n.constraintImpulse.angle-=p, t.plugin={};var s={visible:!0,lineWidth:2,strokeStyle:"#ffffff",type:"line",anchors:!0};return 0===t.length&&t.stiffness>.1?(s.type="pin",s.anchors=!1):t.stiffness<.9&&(s.type="spring"),t.render=c.extend(s,t.render),t},o.preSolveAll=function(e){for(var t=0;t<e.length;t+=1){var n=e[t],o=n.constraintImpulse;n.isStatic||0===o.x&&0===o.y&&0===o.angle||(n.position.x+=o.x,n.position.y+=o.y,n.angle+=o.angle)}},o.solveAll=function(e,t){for(var n=0;n<e.length;n+=1){var i=e[n],r=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic;(r||s)&&o.solve(e[n],t)}for(n=0;n<e.length;n+=1)i=e[n],r=!i.bodyA||i.bodyA&&i.bodyA.isStatic,s=!i.bodyB||i.bodyB&&i.bodyB.isStatic,r||s||o.solve(e[n],t)},o.solve=function(e,t){var n=e.bodyA,i=e.bodyB,s=e.pointA,a=e.pointB;if(n||i){n&&!n.isStatic&&(r.rotate(s,n.angle-e.angleA,s),e.angleA=n.angle),i&&!i.isStatic&&(r.rotate(a,i.angle-e.angleB,a),e.angleB=i.angle);var l=s,c=a;if(n&&(l=r.add(n.position,s)),i&&(c=r.add(i.position,a)),l&&c){var d=r.sub(l,c),u=r.magnitude(d);
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var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../core/Sleeping"),s=e("../core/Mouse"),a=e("../core/Events"),l=e("../collision/Detector"),c=e("./Constraint"),d=e("../body/Composite"),u=e("../core/Common"),p=e("../geometry/Bounds");!function(){o.create=function(t,n){var i=(t?t.mouse:null)||(n?n.mouse:null);i||(t&&t.render&&t.render.canvas?i=s.create(t.render.canvas):n&&n.element?i=s.create(n.element):(i=s.create(),u.warn("MouseConstraint.create: options.mouse was undefined, options.element was undefined, may not function as expected")));var r=c.create({label:"Mouse Constraint",pointA:i.position,pointB:{x:0,y:0},length:.01,stiffness:.1,angularStiffness:1,render:{strokeStyle:"#90EE90",lineWidth:3}}),l={type:"mouseConstraint",mouse:i,element:null,body:null,constraint:r,collisionFilter:{category:1,mask:4294967295,group:0}},p=u.extend(l,n);return a.on(t,"beforeUpdate",function(){var n=d.allBodies(t.world);o.update(p,n),e(p)}),p},o.update=function(e,t){var n=e.mouse,o=e.constraint,s=e.body; i.angle+=p)}}},o.postSolveAll=function(e){for(var t=0;t<e.length;t++){var n=e[t],c=n.constraintImpulse;if(!(n.isStatic||0===c.x&&0===c.y&&0===c.angle)){s.set(n,!1);for(var d=0;d<n.parts.length;d++){var u=n.parts[d];i.translate(u.vertices,c),d>0&&(u.position.x+=c.x,u.position.y+=c.y),0!==c.angle&&(i.rotate(u.vertices,c.angle,n.position),l.rotate(u.axes,c.angle),d>0&&r.rotateAbout(u.position,c.angle,n.position,u.position)),a.update(u.bounds,u.vertices,n.velocity)}c.angle*=o._warming,c.x*=o._warming,c.y*=o._warming}}}}()},{"../core/Common":14,"../core/Sleeping":22,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],13:[function(e,t,n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../core/Sleeping"),s=e("../core/Mouse"),a=e("../core/Events"),l=e("../collision/Detector"),c=e("./Constraint"),d=e("../body/Composite"),u=e("../core/Common"),p=e("../geometry/Bounds");!function(){o.create=function(e,t){var n=(e?e.mouse:null)||(t?t.mouse:null);
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i.trigger(e,"afterRender",l),i.trigger(t,"afterRender",l)),i.trigger(e,"afterTick",l),i.trigger(t,"afterTick",l)},o.stop=function(e){t(e.frameRequestId)},o.start=function(e,t){o.run(e,t)}}()},{"./Common":14,"./Engine":15,"./Events":16}],22:[function(e,t,n){var o={};t.exports=o;var i=e("./Events");!function(){o._motionWakeThreshold=.18,o._motionSleepThreshold=.08,o._minBias=.9,o.update=function(e,t){for(var n=t*t*t,i=0;i<e.length;i++){var r=e[i],s=r.speed*r.speed+r.angularSpeed*r.angularSpeed;if(0===r.force.x&&0===r.force.y){var a=Math.min(r.motion,s),l=Math.max(r.motion,s);r.motion=o._minBias*a+(1-o._minBias)*l,r.sleepThreshold>0&&r.motion<o._motionSleepThreshold*n?(r.sleepCounter+=1,r.sleepCounter>=r.sleepThreshold&&o.set(r,!0)):r.sleepCounter>0&&(r.sleepCounter-=1)}else o.set(r,!1)}},o.afterCollisions=function(e,t){for(var n=t*t*t,i=0;i<e.length;i++){var r=e[i];if(r.isActive){var s=r.collision,a=s.bodyA.parent,l=s.bodyB.parent;if(!(a.isSleeping&&l.isSleeping||a.isStatic||l.isStatic)&&(a.isSleeping||l.isSleeping)){ i.trigger(e,"afterRender",l),i.trigger(t,"afterRender",l)),i.trigger(e,"afterTick",l),i.trigger(t,"afterTick",l)},o.stop=function(e){t(e.frameRequestId)},o.start=function(e,t){o.run(e,t)}}()},{"./Common":14,"./Engine":15,"./Events":16}],22:[function(e,t,n){var o={};t.exports=o;var i=e("./Events");!function(){o._motionWakeThreshold=.18,o._motionSleepThreshold=.08,o._minBias=.9,o.update=function(e,t){for(var n=t*t*t,i=0;i<e.length;i++){var r=e[i],s=r.speed*r.speed+r.angularSpeed*r.angularSpeed;if(0===r.force.x&&0===r.force.y){var a=Math.min(r.motion,s),l=Math.max(r.motion,s);r.motion=o._minBias*a+(1-o._minBias)*l,r.sleepThreshold>0&&r.motion<o._motionSleepThreshold*n?(r.sleepCounter+=1,r.sleepCounter>=r.sleepThreshold&&o.set(r,!0)):r.sleepCounter>0&&(r.sleepCounter-=1)}else o.set(r,!1)}},o.afterCollisions=function(e,t){for(var n=t*t*t,i=0;i<e.length;i++){var r=e[i];if(r.isActive){var s=r.collision,a=s.bodyA.parent,l=s.bodyB.parent;if(!(a.isSleeping&&l.isSleeping||a.isStatic||l.isStatic)&&(a.isSleeping||l.isSleeping)){
var c=a.isSleeping&&!a.isStatic?a:l,d=c===a?l:a;!c.isStatic&&d.motion>o._motionWakeThreshold*n&&o.set(c,!1)}}}},o.set=function(e,t){var n=e.isSleeping;t?(e.isSleeping=!0,e.sleepCounter=e.sleepThreshold,e.positionImpulse.x=0,e.positionImpulse.y=0,e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.anglePrev=e.angle,e.speed=0,e.angularSpeed=0,e.motion=0,n||i.trigger(e,"sleepStart")):(e.isSleeping=!1,e.sleepCounter=0,n&&i.trigger(e,"sleepEnd"))}}()},{"./Events":16}],23:[function(e,t,n){(function(n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../core/Common"),s=e("../body/Body"),a=e("../geometry/Bounds"),l=e("../geometry/Vector"),c="undefined"!=typeof window?window.decomp:"undefined"!=typeof n?n.decomp:null;!function(){o.rectangle=function(e,t,n,o,a){a=a||{};var l={label:"Rectangle Body",position:{x:e,y:t},vertices:i.fromPath("L 0 0 L "+n+" 0 L "+n+" "+o+" L 0 "+o)};if(a.chamfer){var c=a.chamfer;l.vertices=i.chamfer(l.vertices,c.radius,c.quality,c.qualityMin,c.qualityMax), var c=a.isSleeping&&!a.isStatic?a:l,d=c===a?l:a;!c.isStatic&&d.motion>o._motionWakeThreshold*n&&o.set(c,!1)}}}},o.set=function(e,t){var n=e.isSleeping;t?(e.isSleeping=!0,e.sleepCounter=e.sleepThreshold,e.positionImpulse.x=0,e.positionImpulse.y=0,e.positionPrev.x=e.position.x,e.positionPrev.y=e.position.y,e.anglePrev=e.angle,e.speed=0,e.angularSpeed=0,e.motion=0,n||i.trigger(e,"sleepStart")):(e.isSleeping=!1,e.sleepCounter=0,n&&i.trigger(e,"sleepEnd"))}}()},{"./Events":16}],23:[function(e,t,n){(function(n){var o={};t.exports=o;var i=e("../geometry/Vertices"),r=e("../core/Common"),s=e("../body/Body"),a=e("../geometry/Bounds"),l=e("../geometry/Vector"),c="undefined"!=typeof window?window.decomp:"undefined"!=typeof n?n.decomp:null;!function(){o.rectangle=function(e,t,n,o,a){a=a||{};var l={label:"Rectangle Body",position:{x:e,y:t},vertices:i.fromPath("L 0 0 L "+n+" 0 L "+n+" "+o+" L 0 "+o)};if(a.chamfer){var c=a.chamfer;l.vertices=i.chamfer(l.vertices,c.radius,c.quality,c.qualityMin,c.qualityMax),
delete a.chamfer}return s.create(r.extend({},l,a))},o.trapezoid=function(e,t,n,o,a,l){l=l||{},a*=.5;var c,d=(1-2*a)*n,u=n*a,p=u+d,f=p+u;c=a<.5?"L 0 0 L "+u+" "+-o+" L "+p+" "+-o+" L "+f+" 0":"L 0 0 L "+p+" "+-o+" L "+f+" 0";var m={label:"Trapezoid Body",position:{x:e,y:t},vertices:i.fromPath(c)};if(l.chamfer){var v=l.chamfer;m.vertices=i.chamfer(m.vertices,v.radius,v.quality,v.qualityMin,v.qualityMax),delete l.chamfer}return s.create(r.extend({},m,l))},o.circle=function(e,t,n,i,s){i=i||{};var a={label:"Circle Body",circleRadius:n};s=s||25;var l=Math.ceil(Math.max(10,Math.min(s,n)));return l%2===1&&(l+=1),o.polygon(e,t,l,n,r.extend({},a,i))},o.polygon=function(e,t,n,a,l){if(l=l||{},n<3)return o.circle(e,t,a,l);for(var c=2*Math.PI/n,d="",u=.5*c,p=0;p<n;p+=1){var f=u+p*c,m=Math.cos(f)*a,v=Math.sin(f)*a;d+="L "+m.toFixed(3)+" "+v.toFixed(3)+" "}var y={label:"Polygon Body",position:{x:e,y:t},vertices:i.fromPath(d)};if(l.chamfer){var g=l.chamfer;y.vertices=i.chamfer(y.vertices,g.radius,g.quality,g.qualityMin,g.qualityMax), delete a.chamfer}return s.create(r.extend({},l,a))},o.trapezoid=function(e,t,n,o,a,l){l=l||{},a*=.5;var c,d=(1-2*a)*n,u=n*a,p=u+d,f=p+u;c=a<.5?"L 0 0 L "+u+" "+-o+" L "+p+" "+-o+" L "+f+" 0":"L 0 0 L "+p+" "+-o+" L "+f+" 0";var m={label:"Trapezoid Body",position:{x:e,y:t},vertices:i.fromPath(c)};if(l.chamfer){var v=l.chamfer;m.vertices=i.chamfer(m.vertices,v.radius,v.quality,v.qualityMin,v.qualityMax),delete l.chamfer}return s.create(r.extend({},m,l))},o.circle=function(e,t,n,i,s){i=i||{};var a={label:"Circle Body",circleRadius:n};s=s||25;var l=Math.ceil(Math.max(10,Math.min(s,n)));return l%2===1&&(l+=1),o.polygon(e,t,l,n,r.extend({},a,i))},o.polygon=function(e,t,n,a,l){if(l=l||{},n<3)return o.circle(e,t,a,l);for(var c=2*Math.PI/n,d="",u=.5*c,p=0;p<n;p+=1){var f=u+p*c,m=Math.cos(f)*a,v=Math.sin(f)*a;d+="L "+m.toFixed(3)+" "+v.toFixed(3)+" "}var y={label:"Polygon Body",position:{x:e,y:t},vertices:i.fromPath(d)};if(l.chamfer){var g=l.chamfer;y.vertices=i.chamfer(y.vertices,g.radius,g.quality,g.qualityMin,g.qualityMax),
delete l.chamfer}return s.create(r.extend({},y,l))},o.fromVertices=function(e,t,n,o,d,u,p){var f,m,v,y,g,x,h,b,w;for(o=o||{},m=[],d="undefined"!=typeof d&&d,u="undefined"!=typeof u?u:.01,p="undefined"!=typeof p?p:10,c||r.warn("Bodies.fromVertices: poly-decomp.js required. Could not decompose vertices. Fallback to convex hull."),r.isArray(n[0])||(n=[n]),b=0;b<n.length;b+=1)if(y=n[b],v=i.isConvex(y),v||!c)y=v?i.clockwiseSort(y):i.hull(y),m.push({position:{x:e,y:t},vertices:y});else{var S=y.map(function(e){return[e.x,e.y]});c.makeCCW(S),u!==!1&&c.removeCollinearPoints(S,u);var C=c.quickDecomp(S);for(g=0;g<C.length;g++){var A=C[g],P=A.map(function(e){return{x:e[0],y:e[1]}});p>0&&i.area(P)<p||m.push({position:i.centre(P),vertices:P})}}for(g=0;g<m.length;g++)m[g]=s.create(r.extend(m[g],o));if(d){var B=5;for(g=0;g<m.length;g++){var M=m[g];for(x=g+1;x<m.length;x++){var k=m[x];if(a.overlaps(M.bounds,k.bounds)){var I=M.vertices,T=k.vertices;for(h=0;h<M.vertices.length;h++)for(w=0;w<k.vertices.length;w++){ delete l.chamfer}return s.create(r.extend({},y,l))},o.fromVertices=function(e,t,n,o,d,u,p){var f,m,v,y,g,x,h,b,w;for(o=o||{},m=[],d="undefined"!=typeof d&&d,u="undefined"!=typeof u?u:.01,p="undefined"!=typeof p?p:10,c||r.warn("Bodies.fromVertices: poly-decomp.js required. Could not decompose vertices. Fallback to convex hull."),r.isArray(n[0])||(n=[n]),b=0;b<n.length;b+=1)if(y=n[b],v=i.isConvex(y),v||!c)y=v?i.clockwiseSort(y):i.hull(y),m.push({position:{x:e,y:t},vertices:y});else{var S=y.map(function(e){return[e.x,e.y]});c.makeCCW(S),u!==!1&&c.removeCollinearPoints(S,u);var C=c.quickDecomp(S);for(g=0;g<C.length;g++){var A=C[g],P=A.map(function(e){return{x:e[0],y:e[1]}});p>0&&i.area(P)<p||m.push({position:i.centre(P),vertices:P})}}for(g=0;g<m.length;g++)m[g]=s.create(r.extend(m[g],o));if(d){var B=5;for(g=0;g<m.length;g++){var M=m[g];for(x=g+1;x<m.length;x++){var k=m[x];if(a.overlaps(M.bounds,k.bounds)){var I=M.vertices,_=k.vertices;for(h=0;h<M.vertices.length;h++)for(w=0;w<k.vertices.length;w++){
var V=l.magnitudeSquared(l.sub(I[(h+1)%I.length],T[w])),_=l.magnitudeSquared(l.sub(I[h],T[(w+1)%T.length]));V<B&&_<B&&(I[h].isInternal=!0,T[w].isInternal=!0)}}}}}return m.length>1?(f=s.create(r.extend({parts:m.slice(0)},o)),s.setPosition(f,{x:e,y:t}),f):m[0]}}()}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../body/Body":1,"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],24:[function(e,t,n){var o={};t.exports=o;var i=e("../body/Composite"),r=e("../constraint/Constraint"),s=e("../core/Common"),a=e("../body/Body"),l=e("./Bodies");!function(){o.stack=function(e,t,n,o,r,s,l){for(var c,d=i.create({label:"Stack"}),u=e,p=t,f=0,m=0;m<o;m++){for(var v=0,y=0;y<n;y++){var g=l(u,p,y,m,c,f);if(g){var x=g.bounds.max.y-g.bounds.min.y,h=g.bounds.max.x-g.bounds.min.x;x>v&&(v=x),a.translate(g,{x:.5*h,y:.5*x}),u=g.bounds.max.x+r,i.addBody(d,g),c=g,f+=1}else u+=r}p+=v+s,u=e}return d},o.chain=function(e,t,n,o,a,l){ var T=l.magnitudeSquared(l.sub(I[(h+1)%I.length],_[w])),R=l.magnitudeSquared(l.sub(I[h],_[(w+1)%_.length]));T<B&&R<B&&(I[h].isInternal=!0,_[w].isInternal=!0)}}}}}return m.length>1?(f=s.create(r.extend({parts:m.slice(0)},o)),s.setPosition(f,{x:e,y:t}),f):m[0]}}()}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../body/Body":1,"../core/Common":14,"../geometry/Bounds":26,"../geometry/Vector":28,"../geometry/Vertices":29}],24:[function(e,t,n){var o={};t.exports=o;var i=e("../body/Composite"),r=e("../constraint/Constraint"),s=e("../core/Common"),a=e("../body/Body"),l=e("./Bodies");!function(){o.stack=function(e,t,n,o,r,s,l){for(var c,d=i.create({label:"Stack"}),u=e,p=t,f=0,m=0;m<o;m++){for(var v=0,y=0;y<n;y++){var g=l(u,p,y,m,c,f);if(g){var x=g.bounds.max.y-g.bounds.min.y,h=g.bounds.max.x-g.bounds.min.x;x>v&&(v=x),a.translate(g,{x:.5*h,y:.5*x}),u=g.bounds.max.x+r,i.addBody(d,g),c=g,f+=1}else u+=r}p+=v+s,u=e}return d},o.chain=function(e,t,n,o,a,l){
for(var c=e.bodies,d=1;d<c.length;d++){var u=c[d-1],p=c[d],f=u.bounds.max.y-u.bounds.min.y,m=u.bounds.max.x-u.bounds.min.x,v=p.bounds.max.y-p.bounds.min.y,y=p.bounds.max.x-p.bounds.min.x,g={bodyA:u,pointA:{x:m*t,y:f*n},bodyB:p,pointB:{x:y*o,y:v*a}},x=s.extend(g,l);i.addConstraint(e,r.create(x))}return e.label+=" Chain",e},o.mesh=function(e,t,n,o,a){var l,c,d,u,p,f=e.bodies;for(l=0;l<n;l++){for(c=1;c<t;c++)d=f[c-1+l*t],u=f[c+l*t],i.addConstraint(e,r.create(s.extend({bodyA:d,bodyB:u},a)));if(l>0)for(c=0;c<t;c++)d=f[c+(l-1)*t],u=f[c+l*t],i.addConstraint(e,r.create(s.extend({bodyA:d,bodyB:u},a))),o&&c>0&&(p=f[c-1+(l-1)*t],i.addConstraint(e,r.create(s.extend({bodyA:p,bodyB:u},a)))),o&&c<t-1&&(p=f[c+1+(l-1)*t],i.addConstraint(e,r.create(s.extend({bodyA:p,bodyB:u},a))))}return e.label+=" Mesh",e},o.pyramid=function(e,t,n,i,r,s,l){return o.stack(e,t,n,i,r,s,function(t,o,s,c,d,u){var p=Math.min(i,Math.ceil(n/2)),f=d?d.bounds.max.x-d.bounds.min.x:0;if(!(c>p)){c=p-c;var m=c,v=n-1-c;if(!(s<m||s>v)){ for(var c=e.bodies,d=1;d<c.length;d++){var u=c[d-1],p=c[d],f=u.bounds.max.y-u.bounds.min.y,m=u.bounds.max.x-u.bounds.min.x,v=p.bounds.max.y-p.bounds.min.y,y=p.bounds.max.x-p.bounds.min.x,g={bodyA:u,pointA:{x:m*t,y:f*n},bodyB:p,pointB:{x:y*o,y:v*a}},x=s.extend(g,l);i.addConstraint(e,r.create(x))}return e.label+=" Chain",e},o.mesh=function(e,t,n,o,a){var l,c,d,u,p,f=e.bodies;for(l=0;l<n;l++){for(c=1;c<t;c++)d=f[c-1+l*t],u=f[c+l*t],i.addConstraint(e,r.create(s.extend({bodyA:d,bodyB:u},a)));if(l>0)for(c=0;c<t;c++)d=f[c+(l-1)*t],u=f[c+l*t],i.addConstraint(e,r.create(s.extend({bodyA:d,bodyB:u},a))),o&&c>0&&(p=f[c-1+(l-1)*t],i.addConstraint(e,r.create(s.extend({bodyA:p,bodyB:u},a)))),o&&c<t-1&&(p=f[c+1+(l-1)*t],i.addConstraint(e,r.create(s.extend({bodyA:p,bodyB:u},a))))}return e.label+=" Mesh",e},o.pyramid=function(e,t,n,i,r,s,l){return o.stack(e,t,n,i,r,s,function(t,o,s,c,d,u){var p=Math.min(i,Math.ceil(n/2)),f=d?d.bounds.max.x-d.bounds.min.x:0;if(!(c>p)){c=p-c;var m=c,v=n-1-c;if(!(s<m||s>v)){
1===u&&a.translate(d,{x:(s+(n%2===1?1:-1))*f,y:0});var y=d?s*f:0;return l(e+y+s*r,o,s,c,d,u)}}})},o.newtonsCradle=function(e,t,n,o,s){for(var a=i.create({label:"Newtons Cradle"}),c=0;c<n;c++){var d=1.9,u=l.circle(e+c*(o*d),t+s,o,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),p=r.create({pointA:{x:e+c*(o*d),y:t},bodyB:u});i.addBody(a,u),i.addConstraint(a,p)}return a},o.car=function(e,t,n,o,s){var c=a.nextGroup(!0),d=20,u=.5*-n+d,p=.5*n-d,f=0,m=i.create({label:"Car"}),v=l.rectangle(e,t,n,o,{collisionFilter:{group:c},chamfer:{radius:.5*o},density:2e-4}),y=l.circle(e+u,t+f,s,{collisionFilter:{group:c},friction:.8}),g=l.circle(e+p,t+f,s,{collisionFilter:{group:c},friction:.8}),x=r.create({bodyB:v,pointB:{x:u,y:f},bodyA:y,stiffness:1,length:0}),h=r.create({bodyB:v,pointB:{x:p,y:f},bodyA:g,stiffness:1,length:0});return i.addBody(m,v),i.addBody(m,y),i.addBody(m,g),i.addConstraint(m,x),i.addConstraint(m,h),m},o.softBody=function(e,t,n,i,r,a,c,d,u,p){u=s.extend({inertia:1/0},u),p=s.extend({ 1===u&&a.translate(d,{x:(s+(n%2===1?1:-1))*f,y:0});var y=d?s*f:0;return l(e+y+s*r,o,s,c,d,u)}}})},o.newtonsCradle=function(e,t,n,o,s){for(var a=i.create({label:"Newtons Cradle"}),c=0;c<n;c++){var d=1.9,u=l.circle(e+c*(o*d),t+s,o,{inertia:1/0,restitution:1,friction:0,frictionAir:1e-4,slop:1}),p=r.create({pointA:{x:e+c*(o*d),y:t},bodyB:u});i.addBody(a,u),i.addConstraint(a,p)}return a},o.car=function(e,t,n,o,s){var c=a.nextGroup(!0),d=20,u=.5*-n+d,p=.5*n-d,f=0,m=i.create({label:"Car"}),v=l.rectangle(e,t,n,o,{collisionFilter:{group:c},chamfer:{radius:.5*o},density:2e-4}),y=l.circle(e+u,t+f,s,{collisionFilter:{group:c},friction:.8}),g=l.circle(e+p,t+f,s,{collisionFilter:{group:c},friction:.8}),x=r.create({bodyB:v,pointB:{x:u,y:f},bodyA:y,stiffness:1,length:0}),h=r.create({bodyB:v,pointB:{x:p,y:f},bodyA:g,stiffness:1,length:0});return i.addBody(m,v),i.addBody(m,y),i.addBody(m,g),i.addConstraint(m,x),i.addConstraint(m,h),m},o.softBody=function(e,t,n,i,r,a,c,d,u,p){u=s.extend({inertia:1/0},u),p=s.extend({
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o.Grid=e("../collision/Grid"),o.Pairs=e("../collision/Pairs"),o.Pair=e("../collision/Pair"),o.Query=e("../collision/Query"),o.Resolver=e("../collision/Resolver"),o.SAT=e("../collision/SAT"),o.Constraint=e("../constraint/Constraint"),o.MouseConstraint=e("../constraint/MouseConstraint"),o.Common=e("../core/Common"),o.Engine=e("../core/Engine"),o.Events=e("../core/Events"),o.Mouse=e("../core/Mouse"),o.Runner=e("../core/Runner"),o.Sleeping=e("../core/Sleeping"),o.Plugin=e("../core/Plugin"),o.Bodies=e("../factory/Bodies"),o.Composites=e("../factory/Composites"),o.Axes=e("../geometry/Axes"),o.Bounds=e("../geometry/Bounds"),o.Svg=e("../geometry/Svg"),o.Vector=e("../geometry/Vector"),o.Vertices=e("../geometry/Vertices"),o.Render=e("../render/Render"),o.RenderPixi=e("../render/RenderPixi"),o.World.add=o.Composite.add,o.World.remove=o.Composite.remove,o.World.addComposite=o.Composite.addComposite,o.World.addBody=o.Composite.addBody,o.World.addConstraint=o.Composite.addConstraint,o.World.clear=o.Composite.clear, o.Grid=e("../collision/Grid"),o.Pairs=e("../collision/Pairs"),o.Pair=e("../collision/Pair"),o.Query=e("../collision/Query"),o.Resolver=e("../collision/Resolver"),o.SAT=e("../collision/SAT"),o.Constraint=e("../constraint/Constraint"),o.MouseConstraint=e("../constraint/MouseConstraint"),o.Common=e("../core/Common"),o.Engine=e("../core/Engine"),o.Events=e("../core/Events"),o.Mouse=e("../core/Mouse"),o.Runner=e("../core/Runner"),o.Sleeping=e("../core/Sleeping"),o.Plugin=e("../core/Plugin"),o.Bodies=e("../factory/Bodies"),o.Composites=e("../factory/Composites"),o.Axes=e("../geometry/Axes"),o.Bounds=e("../geometry/Bounds"),o.Svg=e("../geometry/Svg"),o.Vector=e("../geometry/Vector"),o.Vertices=e("../geometry/Vertices"),o.Render=e("../render/Render"),o.RenderPixi=e("../render/RenderPixi"),o.World.add=o.Composite.add,o.World.remove=o.Composite.remove,o.World.addComposite=o.Composite.addComposite,o.World.addBody=o.Composite.addBody,o.World.addConstraint=o.Composite.addConstraint,o.World.clear=o.Composite.clear,
o.Engine.run=o.Runner.run},{"../body/Body":1,"../body/Composite":2,"../body/World":3,"../collision/Contact":4,"../collision/Detector":5,"../collision/Grid":6,"../collision/Pair":7,"../collision/Pairs":8,"../collision/Query":9,"../collision/Resolver":10,"../collision/SAT":11,"../constraint/Constraint":12,"../constraint/MouseConstraint":13,"../core/Common":14,"../core/Engine":15,"../core/Events":16,"../core/Matter":17,"../core/Metrics":18,"../core/Mouse":19,"../core/Plugin":20,"../core/Runner":21,"../core/Sleeping":22,"../factory/Bodies":23,"../factory/Composites":24,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Svg":27,"../geometry/Vector":28,"../geometry/Vertices":29,"../render/Render":31,"../render/RenderPixi":32}],31:[function(e,t,n){var o={};t.exports=o;var i=e("../core/Common"),r=e("../body/Composite"),s=e("../geometry/Bounds"),a=e("../core/Events"),l=e("../collision/Grid"),c=e("../geometry/Vector"),d=e("../core/Mouse");!function(){var e,t;"undefined"!=typeof window&&(e=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){ o.Engine.run=o.Runner.run},{"../body/Body":1,"../body/Composite":2,"../body/World":3,"../collision/Contact":4,"../collision/Detector":5,"../collision/Grid":6,"../collision/Pair":7,"../collision/Pairs":8,"../collision/Query":9,"../collision/Resolver":10,"../collision/SAT":11,"../constraint/Constraint":12,"../constraint/MouseConstraint":13,"../core/Common":14,"../core/Engine":15,"../core/Events":16,"../core/Matter":17,"../core/Metrics":18,"../core/Mouse":19,"../core/Plugin":20,"../core/Runner":21,"../core/Sleeping":22,"../factory/Bodies":23,"../factory/Composites":24,"../geometry/Axes":25,"../geometry/Bounds":26,"../geometry/Svg":27,"../geometry/Vector":28,"../geometry/Vertices":29,"../render/Render":31,"../render/RenderPixi":32}],31:[function(e,t,n){var o={};t.exports=o;var i=e("../core/Common"),r=e("../body/Composite"),s=e("../geometry/Bounds"),a=e("../core/Events"),l=e("../collision/Grid"),c=e("../geometry/Vector"),d=e("../core/Mouse");!function(){var e,t;"undefined"!=typeof window&&(e=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.msRequestAnimationFrame||function(e){
window.setTimeout(function(){e(i.now())},1e3/60)},t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),o.create=function(e){var t={controller:o,engine:null,element:null,canvas:null,mouse:null,frameRequestId:null,options:{width:800,height:600,pixelRatio:1,background:"#18181d",wireframeBackground:"#0f0f13",hasBounds:!!e.bounds,enabled:!0,wireframes:!0,showSleeping:!0,showDebug:!1,showBroadphase:!1,showBounds:!1,showVelocity:!1,showCollisions:!1,showSeparations:!1,showAxes:!1,showPositions:!1,showAngleIndicator:!1,showIds:!1,showShadows:!1,showVertexNumbers:!1,showConvexHulls:!1,showInternalEdges:!1,showMousePosition:!1}},r=i.extend(t,e);return r.canvas&&(r.canvas.width=r.options.width||r.canvas.width,r.canvas.height=r.options.height||r.canvas.height),r.mouse=e.mouse,r.engine=e.engine,r.canvas=r.canvas||n(r.options.width,r.options.height),r.context=r.canvas.getContext("2d"),r.textures={},r.bounds=r.bounds||{min:{x:0, window.setTimeout(function(){e(i.now())},1e3/60)},t=window.cancelAnimationFrame||window.mozCancelAnimationFrame||window.webkitCancelAnimationFrame||window.msCancelAnimationFrame),o.create=function(e){var t={controller:o,engine:null,element:null,canvas:null,mouse:null,frameRequestId:null,options:{width:800,height:600,pixelRatio:1,background:"#18181d",wireframeBackground:"#0f0f13",hasBounds:!!e.bounds,enabled:!0,wireframes:!0,showSleeping:!0,showDebug:!1,showBroadphase:!1,showBounds:!1,showVelocity:!1,showCollisions:!1,showSeparations:!1,showAxes:!1,showPositions:!1,showAngleIndicator:!1,showIds:!1,showShadows:!1,showVertexNumbers:!1,showConvexHulls:!1,showInternalEdges:!1,showMousePosition:!1}},r=i.extend(t,e);return r.canvas&&(r.canvas.width=r.options.width||r.canvas.width,r.canvas.height=r.options.height||r.canvas.height),r.mouse=e.mouse,r.engine=e.engine,r.canvas=r.canvas||n(r.options.width,r.options.height),r.context=r.canvas.getContext("2d"),r.textures={},r.bounds=r.bounds||{min:{x:0,
y:0},max:{x:r.canvas.width,y:r.canvas.height}},1!==r.options.pixelRatio&&o.setPixelRatio(r,r.options.pixelRatio),i.isElement(r.element)?r.element.appendChild(r.canvas):i.log("Render.create: options.element was undefined, render.canvas was created but not appended","warn"),r},o.run=function(t){!function n(i){t.frameRequestId=e(n),o.world(t)}()},o.stop=function(e){t(e.frameRequestId)},o.setPixelRatio=function(e,t){var n=e.options,o=e.canvas;"auto"===t&&(t=u(o)),n.pixelRatio=t,o.setAttribute("data-pixel-ratio",t),o.width=n.width*t,o.height=n.height*t,o.style.width=n.width+"px",o.style.height=n.height+"px",e.context.scale(t,t)},o.lookAt=function(e,t,n,o){o="undefined"==typeof o||o,t=i.isArray(t)?t:[t],n=n||{x:0,y:0};for(var r={min:{x:1/0,y:1/0},max:{x:-(1/0),y:-(1/0)}},s=0;s<t.length;s+=1){var a=t[s],l=a.bounds?a.bounds.min:a.min||a.position||a,c=a.bounds?a.bounds.max:a.max||a.position||a;l&&c&&(l.x<r.min.x&&(r.min.x=l.x),c.x>r.max.x&&(r.max.x=c.x),l.y<r.min.y&&(r.min.y=l.y),c.y>r.max.y&&(r.max.y=c.y)); y:0},max:{x:r.canvas.width,y:r.canvas.height}},1!==r.options.pixelRatio&&o.setPixelRatio(r,r.options.pixelRatio),i.isElement(r.element)?r.element.appendChild(r.canvas):r.canvas.parentNode||i.log("Render.create: options.element was undefined, render.canvas was created but not appended","warn"),r},o.run=function(t){!function n(i){t.frameRequestId=e(n),o.world(t)}()},o.stop=function(e){t(e.frameRequestId)},o.setPixelRatio=function(e,t){var n=e.options,o=e.canvas;"auto"===t&&(t=u(o)),n.pixelRatio=t,o.setAttribute("data-pixel-ratio",t),o.width=n.width*t,o.height=n.height*t,o.style.width=n.width+"px",o.style.height=n.height+"px",e.context.scale(t,t)},o.lookAt=function(e,t,n,o){o="undefined"==typeof o||o,t=i.isArray(t)?t:[t],n=n||{x:0,y:0};for(var r={min:{x:1/0,y:1/0},max:{x:-(1/0),y:-(1/0)}},s=0;s<t.length;s+=1){var a=t[s],l=a.bounds?a.bounds.min:a.min||a.position||a,c=a.bounds?a.bounds.max:a.max||a.position||a;l&&c&&(l.x<r.min.x&&(r.min.x=l.x),c.x>r.max.x&&(r.max.x=c.x),l.y<r.min.y&&(r.min.y=l.y),
}var u=r.max.x-r.min.x+2*n.x,p=r.max.y-r.min.y+2*n.y,f=e.canvas.height,m=e.canvas.width,v=m/f,y=u/p,g=1,x=1;y>v?x=y/v:g=v/y,e.options.hasBounds=!0,e.bounds.min.x=r.min.x,e.bounds.max.x=r.min.x+u*g,e.bounds.min.y=r.min.y,e.bounds.max.y=r.min.y+p*x,o&&(e.bounds.min.x+=.5*u-u*g*.5,e.bounds.max.x+=.5*u-u*g*.5,e.bounds.min.y+=.5*p-p*x*.5,e.bounds.max.y+=.5*p-p*x*.5),e.bounds.min.x-=n.x,e.bounds.max.x-=n.x,e.bounds.min.y-=n.y,e.bounds.max.y-=n.y,e.mouse&&(d.setScale(e.mouse,{x:(e.bounds.max.x-e.bounds.min.x)/e.canvas.width,y:(e.bounds.max.y-e.bounds.min.y)/e.canvas.height}),d.setOffset(e.mouse,e.bounds.min))},o.startViewTransform=function(e){var t=e.bounds.max.x-e.bounds.min.x,n=e.bounds.max.y-e.bounds.min.y,o=t/e.options.width,i=n/e.options.height;e.context.scale(1/o,1/i),e.context.translate(-e.bounds.min.x,-e.bounds.min.y)},o.endViewTransform=function(e){e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0)},o.world=function(e){var t,n=e.engine,i=n.world,u=e.canvas,p=e.context,m=e.options,v=r.allBodies(i),y=r.allConstraints(i),g=m.wireframes?m.wireframeBackground:m.background,x=[],h=[],b={ c.y>r.max.y&&(r.max.y=c.y))}var u=r.max.x-r.min.x+2*n.x,p=r.max.y-r.min.y+2*n.y,f=e.canvas.height,m=e.canvas.width,v=m/f,y=u/p,g=1,x=1;y>v?x=y/v:g=v/y,e.options.hasBounds=!0,e.bounds.min.x=r.min.x,e.bounds.max.x=r.min.x+u*g,e.bounds.min.y=r.min.y,e.bounds.max.y=r.min.y+p*x,o&&(e.bounds.min.x+=.5*u-u*g*.5,e.bounds.max.x+=.5*u-u*g*.5,e.bounds.min.y+=.5*p-p*x*.5,e.bounds.max.y+=.5*p-p*x*.5),e.bounds.min.x-=n.x,e.bounds.max.x-=n.x,e.bounds.min.y-=n.y,e.bounds.max.y-=n.y,e.mouse&&(d.setScale(e.mouse,{x:(e.bounds.max.x-e.bounds.min.x)/e.canvas.width,y:(e.bounds.max.y-e.bounds.min.y)/e.canvas.height}),d.setOffset(e.mouse,e.bounds.min))},o.startViewTransform=function(e){var t=e.bounds.max.x-e.bounds.min.x,n=e.bounds.max.y-e.bounds.min.y,o=t/e.options.width,i=n/e.options.height;e.context.scale(1/o,1/i),e.context.translate(-e.bounds.min.x,-e.bounds.min.y)},o.endViewTransform=function(e){e.context.setTransform(e.options.pixelRatio,0,0,e.options.pixelRatio,0,0)},o.world=function(e){var t,n=e.engine,i=n.world,u=e.canvas,p=e.context,m=e.options,v=r.allBodies(i),y=r.allConstraints(i),g=m.wireframes?m.wireframeBackground:m.background,x=[],h=[],b={
timestamp:n.timing.timestamp};if(a.trigger(e,"beforeRender",b),e.currentBackground!==g&&f(e,g),p.globalCompositeOperation="source-in",p.fillStyle="transparent",p.fillRect(0,0,u.width,u.height),p.globalCompositeOperation="source-over",m.hasBounds){for(t=0;t<v.length;t++){var w=v[t];s.overlaps(w.bounds,e.bounds)&&x.push(w)}for(t=0;t<y.length;t++){var S=y[t],C=S.bodyA,A=S.bodyB,P=S.pointA,B=S.pointB;C&&(P=c.add(C.position,S.pointA)),A&&(B=c.add(A.position,S.pointB)),P&&B&&(s.contains(e.bounds,P)||s.contains(e.bounds,B))&&h.push(S)}o.startViewTransform(e),e.mouse&&(d.setScale(e.mouse,{x:(e.bounds.max.x-e.bounds.min.x)/e.canvas.width,y:(e.bounds.max.y-e.bounds.min.y)/e.canvas.height}),d.setOffset(e.mouse,e.bounds.min))}else h=y,x=v;!m.wireframes||n.enableSleeping&&m.showSleeping?o.bodies(e,x,p):(m.showConvexHulls&&o.bodyConvexHulls(e,x,p),o.bodyWireframes(e,x,p)),m.showBounds&&o.bodyBounds(e,x,p),(m.showAxes||m.showAngleIndicator)&&o.bodyAxes(e,x,p),m.showPositions&&o.bodyPositions(e,x,p),m.showVelocity&&o.bodyVelocity(e,x,p), timestamp:n.timing.timestamp};if(a.trigger(e,"beforeRender",b),e.currentBackground!==g&&f(e,g),p.globalCompositeOperation="source-in",p.fillStyle="transparent",p.fillRect(0,0,u.width,u.height),p.globalCompositeOperation="source-over",m.hasBounds){for(t=0;t<v.length;t++){var w=v[t];s.overlaps(w.bounds,e.bounds)&&x.push(w)}for(t=0;t<y.length;t++){var S=y[t],C=S.bodyA,A=S.bodyB,P=S.pointA,B=S.pointB;C&&(P=c.add(C.position,S.pointA)),A&&(B=c.add(A.position,S.pointB)),P&&B&&(s.contains(e.bounds,P)||s.contains(e.bounds,B))&&h.push(S)}o.startViewTransform(e),e.mouse&&(d.setScale(e.mouse,{x:(e.bounds.max.x-e.bounds.min.x)/e.canvas.width,y:(e.bounds.max.y-e.bounds.min.y)/e.canvas.height}),d.setOffset(e.mouse,e.bounds.min))}else h=y,x=v;!m.wireframes||n.enableSleeping&&m.showSleeping?o.bodies(e,x,p):(m.showConvexHulls&&o.bodyConvexHulls(e,x,p),o.bodyWireframes(e,x,p)),m.showBounds&&o.bodyBounds(e,x,p),(m.showAxes||m.showAngleIndicator)&&o.bodyAxes(e,x,p),m.showPositions&&o.bodyPositions(e,x,p),m.showVelocity&&o.bodyVelocity(e,x,p),
m.showIds&&o.bodyIds(e,x,p),m.showSeparations&&o.separations(e,n.pairs.list,p),m.showCollisions&&o.collisions(e,n.pairs.list,p),m.showVertexNumbers&&o.vertexNumbers(e,x,p),m.showMousePosition&&o.mousePosition(e,e.mouse,p),o.constraints(h,p),m.showBroadphase&&n.broadphase.controller===l&&o.grid(e,n.broadphase,p),m.showDebug&&o.debug(e,p),m.hasBounds&&o.endViewTransform(e),a.trigger(e,"afterRender",b)},o.debug=function(e,t){var n=t,o=e.engine,i=o.world,s=o.metrics,a=e.options,l=(r.allBodies(i)," ");if(o.timing.timestamp-(e.debugTimestamp||0)>=500){var c="";s.timing&&(c+="fps: "+Math.round(s.timing.fps)+l),e.debugString=c,e.debugTimestamp=o.timing.timestamp}if(e.debugString){n.font="12px Arial",a.wireframes?n.fillStyle="rgba(255,255,255,0.5)":n.fillStyle="rgba(0,0,0,0.5)";for(var d=e.debugString.split("\n"),u=0;u<d.length;u++)n.fillText(d[u],50,50+18*u)}},o.constraints=function(e,t){for(var n=t,o=0;o<e.length;o++){var r=e[o];if(r.render.visible&&r.pointA&&r.pointB){var s,a,l=r.bodyA,d=r.bodyB; m.showIds&&o.bodyIds(e,x,p),m.showSeparations&&o.separations(e,n.pairs.list,p),m.showCollisions&&o.collisions(e,n.pairs.list,p),m.showVertexNumbers&&o.vertexNumbers(e,x,p),m.showMousePosition&&o.mousePosition(e,e.mouse,p),o.constraints(h,p),m.showBroadphase&&n.broadphase.controller===l&&o.grid(e,n.broadphase,p),m.showDebug&&o.debug(e,p),m.hasBounds&&o.endViewTransform(e),a.trigger(e,"afterRender",b)},o.debug=function(e,t){var n=t,o=e.engine,i=o.world,s=o.metrics,a=e.options,l=(r.allBodies(i)," ");if(o.timing.timestamp-(e.debugTimestamp||0)>=500){var c="";s.timing&&(c+="fps: "+Math.round(s.timing.fps)+l),e.debugString=c,e.debugTimestamp=o.timing.timestamp}if(e.debugString){n.font="12px Arial",a.wireframes?n.fillStyle="rgba(255,255,255,0.5)":n.fillStyle="rgba(0,0,0,0.5)";for(var d=e.debugString.split("\n"),u=0;u<d.length;u++)n.fillText(d[u],50,50+18*u)}},o.constraints=function(e,t){for(var n=t,o=0;o<e.length;o++){var r=e[o];if(r.render.visible&&r.pointA&&r.pointB){var s,a,l=r.bodyA,d=r.bodyB;
if(s=l?c.add(l.position,r.pointA):r.pointA,"pin"===r.render.type)n.beginPath(),n.arc(s.x,s.y,3,0,2*Math.PI),n.closePath();else{if(a=d?c.add(d.position,r.pointB):r.pointB,n.beginPath(),n.moveTo(s.x,s.y),"spring"===r.render.type)for(var u,p=c.sub(a,s),f=c.perp(c.normalise(p)),m=Math.ceil(i.clamp(r.length/5,12,20)),v=1;v<m;v+=1)u=v%2===0?1:-1,n.lineTo(s.x+p.x*(v/m)+f.x*u*4,s.y+p.y*(v/m)+f.y*u*4);n.lineTo(a.x,a.y)}r.render.lineWidth&&(n.lineWidth=r.render.lineWidth,n.strokeStyle=r.render.strokeStyle,n.stroke()),r.render.anchors&&(n.fillStyle=r.render.strokeStyle,n.beginPath(),n.arc(s.x,s.y,3,0,2*Math.PI),n.arc(a.x,a.y,3,0,2*Math.PI),n.closePath(),n.fill())}}},o.bodyShadows=function(e,t,n){for(var o=n,i=(e.engine,0);i<t.length;i++){var r=t[i];if(r.render.visible){if(r.circleRadius)o.beginPath(),o.arc(r.position.x,r.position.y,r.circleRadius,0,2*Math.PI),o.closePath();else{o.beginPath(),o.moveTo(r.vertices[0].x,r.vertices[0].y);for(var s=1;s<r.vertices.length;s++)o.lineTo(r.vertices[s].x,r.vertices[s].y); if(s=l?c.add(l.position,r.pointA):r.pointA,"pin"===r.render.type)n.beginPath(),n.arc(s.x,s.y,3,0,2*Math.PI),n.closePath();else{if(a=d?c.add(d.position,r.pointB):r.pointB,n.beginPath(),n.moveTo(s.x,s.y),"spring"===r.render.type)for(var u,p=c.sub(a,s),f=c.perp(c.normalise(p)),m=Math.ceil(i.clamp(r.length/5,12,20)),v=1;v<m;v+=1)u=v%2===0?1:-1,n.lineTo(s.x+p.x*(v/m)+f.x*u*4,s.y+p.y*(v/m)+f.y*u*4);n.lineTo(a.x,a.y)}r.render.lineWidth&&(n.lineWidth=r.render.lineWidth,n.strokeStyle=r.render.strokeStyle,n.stroke()),r.render.anchors&&(n.fillStyle=r.render.strokeStyle,n.beginPath(),n.arc(s.x,s.y,3,0,2*Math.PI),n.arc(a.x,a.y,3,0,2*Math.PI),n.closePath(),n.fill())}}},o.bodyShadows=function(e,t,n){for(var o=n,i=(e.engine,0);i<t.length;i++){var r=t[i];if(r.render.visible){if(r.circleRadius)o.beginPath(),o.arc(r.position.x,r.position.y,r.circleRadius,0,2*Math.PI),o.closePath();else{o.beginPath(),o.moveTo(r.vertices[0].x,r.vertices[0].y);for(var s=1;s<r.vertices.length;s++)o.lineTo(r.vertices[s].x,r.vertices[s].y);

2
package.json
View file

@ -1,6 +1,6 @@
{ {
"name": "matter-js", "name": "matter-js",
"version": "0.13.0", "version": "0.14.0",
"license": "MIT", "license": "MIT",
"homepage": "http://brm.io/matter-js/", "homepage": "http://brm.io/matter-js/",
"author": "Liam Brummitt <liam@brm.io> (http://brm.io/)", "author": "Liam Brummitt <liam@brm.io> (http://brm.io/)",