mirror of
https://github.com/liabru/matter-js.git
synced 2024-11-30 10:20:52 -05:00
275 lines
No EOL
8.6 KiB
JavaScript
275 lines
No EOL
8.6 KiB
JavaScript
/*!
|
|
* 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-js"));
|
|
else if(typeof define === 'function' && define.amd)
|
|
define(["matter-js"], factory);
|
|
else if(typeof exports === 'object')
|
|
exports["MatterWrap"] = factory(require("matter-js"));
|
|
else
|
|
root["MatterWrap"] = factory(root["Matter"]);
|
|
})(this, function(__WEBPACK_EXTERNAL_MODULE_0__) {
|
|
return /******/ (function(modules) { // webpackBootstrap
|
|
/******/ // The module cache
|
|
/******/ var installedModules = {};
|
|
|
|
/******/ // The require function
|
|
/******/ function __webpack_require__(moduleId) {
|
|
|
|
/******/ // Check if module is in cache
|
|
/******/ if(installedModules[moduleId])
|
|
/******/ return installedModules[moduleId].exports;
|
|
|
|
/******/ // Create a new module (and put it into the cache)
|
|
/******/ var module = installedModules[moduleId] = {
|
|
/******/ i: moduleId,
|
|
/******/ l: false,
|
|
/******/ exports: {}
|
|
/******/ };
|
|
|
|
/******/ // Execute the module function
|
|
/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
|
|
|
|
/******/ // Flag the module as loaded
|
|
/******/ module.l = true;
|
|
|
|
/******/ // Return the exports of the module
|
|
/******/ return module.exports;
|
|
/******/ }
|
|
|
|
|
|
/******/ // expose the modules object (__webpack_modules__)
|
|
/******/ __webpack_require__.m = modules;
|
|
|
|
/******/ // expose the module cache
|
|
/******/ __webpack_require__.c = installedModules;
|
|
|
|
/******/ // identity function for calling harmony imports with the correct context
|
|
/******/ __webpack_require__.i = function(value) { return value; };
|
|
|
|
/******/ // define getter function for harmony exports
|
|
/******/ __webpack_require__.d = function(exports, name, getter) {
|
|
/******/ if(!__webpack_require__.o(exports, name)) {
|
|
/******/ Object.defineProperty(exports, name, {
|
|
/******/ configurable: false,
|
|
/******/ enumerable: true,
|
|
/******/ get: getter
|
|
/******/ });
|
|
/******/ }
|
|
/******/ };
|
|
|
|
/******/ // getDefaultExport function for compatibility with non-harmony modules
|
|
/******/ __webpack_require__.n = function(module) {
|
|
/******/ var getter = module && module.__esModule ?
|
|
/******/ function getDefault() { return module['default']; } :
|
|
/******/ function getModuleExports() { return module; };
|
|
/******/ __webpack_require__.d(getter, 'a', getter);
|
|
/******/ return getter;
|
|
/******/ };
|
|
|
|
/******/ // Object.prototype.hasOwnProperty.call
|
|
/******/ __webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
|
|
|
|
/******/ // __webpack_public_path__
|
|
/******/ __webpack_require__.p = "/libs";
|
|
|
|
/******/ // Load entry module and return exports
|
|
/******/ return __webpack_require__(__webpack_require__.s = 1);
|
|
/******/ })
|
|
/************************************************************************/
|
|
/******/ ([
|
|
/* 0 */
|
|
/***/ (function(module, exports) {
|
|
|
|
module.exports = __WEBPACK_EXTERNAL_MODULE_0__;
|
|
|
|
/***/ }),
|
|
/* 1 */
|
|
/***/ (function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
|
|
|
|
var Matter = __webpack_require__(0);
|
|
|
|
/**
|
|
* A coordinate wrapping plugin for matter.js.
|
|
* See the readme for usage and examples.
|
|
* @module MatterWrap
|
|
*/
|
|
var MatterWrap = {
|
|
// plugin meta
|
|
name: 'matter-wrap', // PLUGIN_NAME
|
|
version: '0.1.3', // PLUGIN_VERSION
|
|
for: 'matter-js@^0.12.0',
|
|
|
|
// installs the plugin where `base` is `Matter`
|
|
// you should not need to call this directly.
|
|
install: function install(base) {
|
|
base.after('Engine.update', function () {
|
|
MatterWrap.Engine.update(this);
|
|
});
|
|
},
|
|
|
|
Engine: {
|
|
/**
|
|
* 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.
|
|
* @returns {void} No return value.
|
|
*/
|
|
update: function update(engine) {
|
|
var world = engine.world,
|
|
bodies = Matter.Composite.allBodies(world),
|
|
composites = Matter.Composite.allComposites(world);
|
|
|
|
for (var i = 0; i < bodies.length; i += 1) {
|
|
var body = bodies[i];
|
|
|
|
if (body.plugin.wrap) {
|
|
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 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 MatterWrap.Body.wrap
|
|
* @param {Matter.Body} body The body to wrap.
|
|
* @param {Matter.Bounds} bounds The bounds to wrap the body inside.
|
|
* @returns {?Matter.Vector} The translation vector that was applied (only if wrapping was required).
|
|
*/
|
|
wrap: function wrap(body, bounds) {
|
|
var translation = MatterWrap.Bounds.wrap(body.bounds, bounds);
|
|
|
|
if (translation) {
|
|
Matter.Body.translate(body, translation);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
};
|
|
|
|
Matter.Plugin.register(MatterWrap);
|
|
|
|
module.exports = MatterWrap;
|
|
|
|
/**
|
|
* @namespace Matter.Body
|
|
* @see http://brm.io/matter-js/docs/classes/Body.html
|
|
*/
|
|
|
|
/**
|
|
* This plugin adds a new property `body.plugin.wrap` to instances of `Matter.Body`.
|
|
* This is a `Matter.Bounds` instance that specifies the wrapping region.
|
|
* @property {Matter.Bounds} body.plugin.wrap
|
|
* @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
|
|
*/
|
|
|
|
/***/ })
|
|
/******/ ]);
|
|
}); |