foster/liabru-matter-js
0
0
Fork 0
mirror of https://github.com/liabru/matter-js.git synced 2024-12-25 13:39:06 -05:00
Code Issues Wiki Activity

upgraded matter-wrap

Browse source
This commit is contained in:
liabru 2017-07-06 21:50:08 +01:00
parent 48611c51de
commit c9294ebe6e
1 changed files with 105 additions and 29 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

134
demo/lib/matter-wrap.js
View file

@ -1,15 +1,15 @@
/*!
* matter-wrap 0.1.2 by Liam Brummitt 2017-02-12
* matter-wrap 0.2.0 by Liam Brummitt 2017-07-04
* https://github.com/liabru/matter-wrap
* License MIT
*/
(function webpackUniversalModuleDefinition(root, factory) {
if(typeof exports === 'object' && typeof module === 'object')
module.exports = factory(require("Matter"));
module.exports = factory(require("matter-js"));
else if(typeof define === 'function' && define.amd)
define(["Matter"], factory);
define(["matter-js"], factory);
else if(typeof exports === 'object')
exports["MatterWrap"] = factory(require("Matter"));
exports["MatterWrap"] = factory(require("matter-js"));
else
root["MatterWrap"] = factory(root["Matter"]);
})(this, function(__WEBPACK_EXTERNAL_MODULE_0__) {
@ -104,7 +104,7 @@ var Matter = __webpack_require__(0);
var MatterWrap = {
// plugin meta
name: 'matter-wrap', // PLUGIN_NAME
version: '0.1.0', // PLUGIN_VERSION
version: '0.1.3', // PLUGIN_VERSION
for: 'matter-js@^0.12.0',
// installs the plugin where `base` is `Matter`
@ -117,7 +117,7 @@ var MatterWrap = {
Engine: {
/**
* Updates the engine by wrapping bodies inside `engine.world`.
* Updates the engine by wrapping bodies and composites inside `engine.world`.
* This is called automatically by the plugin.
* @function MatterWrap.Engine.update
* @param {Matter.Engine} engine The engine to update.
@ -125,7 +125,8 @@ var MatterWrap = {
*/
update: function update(engine) {
var world = engine.world,
bodies = Matter.Composite.allBodies(world);
bodies = Matter.Composite.allBodies(world),
composites = Matter.Composite.allComposites(world);
for (var i = 0; i < bodies.length; i += 1) {
var body = bodies[i];
@ -134,46 +135,114 @@ var MatterWrap = {
MatterWrap.Body.wrap(body, body.plugin.wrap);
}
}
for (i = 0; i < composites.length; i += 1) {
var composite = composites[i];
if (composite.plugin.wrap) {
MatterWrap.Composite.wrap(composite, composite.plugin.wrap);
}
}
}
},
Bounds: {
/**
* Returns a translation vector that wraps the `objectBounds` inside the `bounds`.
* @function MatterWrap.Bounds.wrap
* @param {Matter.Bounds} objectBounds The bounds of the object to wrap inside the bounds.
* @param {Matter.Bounds} bounds The bounds to wrap the body inside.
* @returns {?Matter.Vector} A translation vector (only if wrapping is required).
*/
wrap: function wrap(objectBounds, bounds) {
var x = null,
y = null;
if (typeof bounds.min.x !== 'undefined' && typeof bounds.max.x !== 'undefined') {
if (objectBounds.min.x > bounds.max.x) {
x = bounds.min.x - objectBounds.max.x;
} else if (objectBounds.max.x < bounds.min.x) {
x = bounds.max.x - objectBounds.min.x;
}
}
if (typeof bounds.min.y !== 'undefined' && typeof bounds.max.y !== 'undefined') {
if (objectBounds.min.y > bounds.max.y) {
y = bounds.min.y - objectBounds.max.y;
} else if (objectBounds.max.y < bounds.min.y) {
y = bounds.max.y - objectBounds.min.y;
}
}
if (x !== null || y !== null) {
return {
x: x || 0,
y: y || 0
};
}
}
},
Body: {
/**
* Wraps the `body` position such that it always stay within the given bounds.
* Wraps the `body` position such that it always stays within the given bounds.
* Upon crossing a boundary the body will appear on the opposite side of the bounds,
* while maintaining its velocity.
* This is called automatically by the plugin.
* @function MatterAttractors.Body.wrap
* @function MatterWrap.Body.wrap
* @param {Matter.Body} body The body to wrap.
* @param {Matter.Bounds} bounds The bounds to wrap the body inside.
* @returns {void} No return value.
* @returns {?Matter.Vector} The translation vector that was applied (only if wrapping was required).
*/
wrap: function wrap(body, bounds) {
var x = null,
y = null;
var translation = MatterWrap.Bounds.wrap(body.bounds, bounds);
if (typeof bounds.min.x !== 'undefined' && typeof bounds.max.x !== 'undefined') {
if (body.bounds.min.x > bounds.max.x) {
x = bounds.min.x - (body.bounds.max.x - body.position.x);
} else if (body.bounds.max.x < bounds.min.x) {
x = bounds.max.x - (body.bounds.min.x - body.position.x);
}
if (translation) {
Matter.Body.translate(body, translation);
}
if (typeof bounds.min.y !== 'undefined' && typeof bounds.max.y !== 'undefined') {
if (body.bounds.min.y > bounds.max.y) {
y = bounds.min.y - (body.bounds.max.y - body.position.y);
} else if (body.bounds.max.y < bounds.min.y) {
y = bounds.max.y - (body.bounds.min.y - body.position.y);
}
return translation;
}
},
Composite: {
/**
* Returns the union of the bounds of all of the composite's bodies
* (not accounting for constraints).
* @function MatterWrap.Composite.bounds
* @param {Matter.Composite} composite The composite.
* @returns {Matter.Bounds} The composite bounds.
*/
bounds: function bounds(composite) {
var bodies = Matter.Composite.allBodies(composite),
vertices = [];
for (var i = 0; i < bodies.length; i += 1) {
var body = bodies[i];
vertices.push(body.bounds.min, body.bounds.max);
}
if (x !== null || y !== null) {
Matter.Body.setPosition(body, {
x: x || body.position.x,
y: y || body.position.y
});
return Matter.Bounds.create(vertices);
},
/**
* Wraps the `composite` position such that it always stays within the given bounds.
* Upon crossing a boundary the composite will appear on the opposite side of the bounds,
* while maintaining its velocity.
* This is called automatically by the plugin.
* @function MatterWrap.Composite.wrap
* @param {Matter.Composite} composite The composite to wrap.
* @param {Matter.Bounds} bounds The bounds to wrap the composite inside.
* @returns {?Matter.Vector} The translation vector that was applied (only if wrapping was required).
*/
wrap: function wrap(composite, bounds) {
var translation = MatterWrap.Bounds.wrap(MatterWrap.Composite.bounds(composite), bounds);
if (translation) {
Matter.Composite.translate(composite, translation);
}
return translation;
}
}
};
@ -194,6 +263,13 @@ module.exports = MatterWrap;
* @memberof Matter.Body
*/
/**
* This plugin adds a new property `composite.plugin.wrap` to instances of `Matter.Composite`.
* This is a `Matter.Bounds` instance that specifies the wrapping region.
* @property {Matter.Bounds} composite.plugin.wrap
* @memberof Matter.Composite
*/
/***/ })
/******/ ]);
});