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matter-tools.js
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/*!
* matter-tools 0.14.0 by @liabru
* https://github.com/liabru/matter-tools
* License MIT
*
* The MIT License (MIT)
*
* Copyright (c) 2014 Liam Brummitt
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
(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("MatterTools", ["matter-js"], factory);
else if(typeof exports === 'object')
exports["MatterTools"] = factory(require("matter-js"));
else
root["MatterTools"] = 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;
/******/
/******/ // define getter function for harmony exports
/******/ __webpack_require__.d = function(exports, name, getter) {
/******/ if(!__webpack_require__.o(exports, name)) {
/******/ Object.defineProperty(exports, name, { enumerable: true, get: getter });
/******/ }
/******/ };
/******/
/******/ // define __esModule on exports
/******/ __webpack_require__.r = function(exports) {
/******/ if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
/******/ Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
/******/ }
/******/ Object.defineProperty(exports, '__esModule', { value: true });
/******/ };
/******/
/******/ // create a fake namespace object
/******/ // mode & 1: value is a module id, require it
/******/ // mode & 2: merge all properties of value into the ns
/******/ // mode & 4: return value when already ns object
/******/ // mode & 8|1: behave like require
/******/ __webpack_require__.t = function(value, mode) {
/******/ if(mode & 1) value = __webpack_require__(value);
/******/ if(mode & 8) return value;
/******/ if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
/******/ var ns = Object.create(null);
/******/ __webpack_require__.r(ns);
/******/ Object.defineProperty(ns, 'default', { enumerable: true, value: value });
/******/ if(mode & 2 && typeof value != 'string') for(var key in value) __webpack_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
/******/ return ns;
/******/ };
/******/
/******/ // 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 = "/demo/lib/";
/******/
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/******/ // Load entry module and return exports
/******/ return __webpack_require__(__webpack_require__.s = 6);
/******/ })
/************************************************************************/
/******/ ([
/* 0 */
/***/ (function(module, exports) {
module.exports = __WEBPACK_EXTERNAL_MODULE__0__;
/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/**
* @class Common
*/
const Common = module.exports = {};
Common.injectStyles = function(styles, id) {
if (document.getElementById(id)) {
return;
}
let root = document.createElement('div');
root.innerHTML = `<style id="${id}" type="text/css">${styles}</style>`;
let lastStyle = document.head.querySelector('style:last-of-type');
if (lastStyle) {
Common.domInsertBefore(root.firstElementChild, lastStyle);
} else {
document.head.appendChild(root.firstElementChild);
}
};
Common.injectScript = function(url, id, callback) {
if (document.getElementById(id)) {
return;
}
let script = document.createElement('script');
script.id = id;
script.src = url;
script.onload = callback;
document.body.appendChild(script);
};
Common.domRemove = function(element) {
return element.parentElement.removeChild(element);
};
Common.domInsertBefore = function(element, before) {
return before.parentNode.insertBefore(element, before.previousElementSibling);
};
/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/**
* An (experimental) tool for serializing matter.js worlds.
* @module Serializer
*/
const Serializer = module.exports = {};
const Resurrect = __webpack_require__(8);
const Matter = __webpack_require__(0);
const Common = Matter.Common;
const Engine = Matter.Engine;
/**
* Creates a serializer.
* @function Serializer.create
* @return {} A serializer
*/
Serializer.create = function() {
let serializer = new Resurrect({ prefix: '$', cleanup: true });
serializer.parse = serializer.resurrect;
return serializer;
};
/**
* Clones an object using a serializer and assigns it a new id
* @function Serializer.clone
* @param {object} serializer
* @param {object} object
* @return {} The clone
*/
Serializer.clone = function(serializer, object) {
var clone = serializer.parse(Serializer.serialise(serializer, object));
clone.id = Common.nextId();
return clone;
};
/**
* Saves world state to local storage
* @function Serializer.saveState
* @param {object} serializer
* @param {engine} engine
* @param {string} key
*/
Serializer.saveState = function(serializer, engine, key) {
localStorage.setItem(key, Serializer.serialise(serializer, engine.world));
};
/**
* Loads world state from local storage
* @function Serializer.loadState
* @param {object} serializer
* @param {engine} engine
* @param {string} key
*/
Serializer.loadState = function(serializer, engine, key) {
var loadedWorld = serializer.parse(localStorage.getItem(key));
if (loadedWorld) {
Engine.merge(engine, { world: loadedWorld });
}
};
/**
* Serialises the object using the given serializer and a Matter-specific replacer
* @function Serializer.serialise
* @param {object} serializer
* @param {object} object
* @param {number} indent
* @return {string} The serialised object
*/
Serializer.serialise = function(serializer, object, indent) {
indent = indent || 0;
return serializer.stringify(object, function(key, value) {
// limit precision of floats
if (!/^#/.exec(key) && typeof value === 'number') {
var fixed = parseFloat(value.toFixed(3));
// do not limit if limiting will cause value to zero
// TODO: this should ideally dynamically find the SF precision required
if (fixed === 0 && value !== 0)
return value;
return fixed;
}
return value;
}, indent);
};
/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/**
* A tool for modifying the properties of an engine and renderer.
* @module Gui
*/
const Gui = module.exports = {};
const dat = __webpack_require__(7);
const ToolsCommon = __webpack_require__(1);
const Serializer = __webpack_require__(2);
const Matter = __webpack_require__(0);
const Engine = Matter.Engine;
const Detector = Matter.Detector;
const Grid = Matter.Grid;
const World = Matter.World;
const Bodies = Matter.Bodies;
const Events = Matter.Events;
const Composite = Matter.Composite;
/**
* Creates a Gui
* @function Gui.create
* @param {engine} [engine]
* @param {runner} [runner]
* @param {render} [render]
* @return {gui} The created gui instance
*/
Gui.create = function(engine, runner, render) {
dat.GUI.TEXT_CLOSED = '▲';
dat.GUI.TEXT_OPEN = '▼';
var datGui = new dat.GUI({ autoPlace: false });
var gui = {
engine: engine,
runner: runner,
render: render,
datGui: datGui,
broadphase: 'grid',
broadphaseCache: {
grid: (engine.broadphase.controller === Grid) ? engine.broadphase : Grid.create(),
bruteForce: {
detector: Detector.bruteForce
}
},
amount: 1,
size: 40,
sides: 4,
density: 0.001,
restitution: 0,
friction: 0.1,
frictionStatic: 0.5,
frictionAir: 0.01,
offset: { x: 0, y: 0 },
renderer: 'canvas',
chamfer: 0,
isRecording: false
};
if (Serializer) {
gui.serializer = Serializer.create();
}
let styles = __webpack_require__(9);
ToolsCommon.injectStyles(styles, 'matter-gui-style');
_initDatGui(gui);
return gui;
};
/**
* Updates the Gui
* @function Gui.update
* @param {gui} gui
*/
Gui.update = function(gui) {
var i;
var datGui = gui.datGui;
for (i in datGui.__folders) {
Gui.update(gui, datGui.__folders[i]);
}
for (i in datGui.__controllers) {
var controller = datGui.__controllers[i];
if (controller.updateDisplay)
controller.updateDisplay();
}
};
/**
* Closes all sections of the Gui
* @function Gui.closeAll
* @param {gui} gui
*/
Gui.closeAll = function(gui) {
var datGui = gui.datGui;
for (var i in datGui.__folders) {
datGui.__folders[i].close();
}
};
/**
* Destroys the GUI
* @function Gui.destroy
* @param {gui} gui
*/
Gui.destroy = function(gui) {
gui.datGui.domElement.parentElement.removeChild(gui.datGui.domElement);
gui.datGui.destroy();
};
var _initDatGui = function(gui) {
var engine = gui.engine,
runner = gui.runner,
datGui = gui.datGui;
var funcs = {
addBody: function() { _addBody(gui); },
clear: function() { _clear(gui); },
save: function() { Serializer.saveState(gui.serializer, engine, 'guiState'); Events.trigger(gui, 'save'); },
load: function() { Serializer.loadState(gui.serializer, engine, 'guiState'); Events.trigger(gui, 'load'); }
};
var metrics = datGui.addFolder('Metrics');
if (runner) {
metrics.add(runner, 'fps').listen();
}
if (engine.metrics.extended) {
if (runner) {
metrics.add(runner, 'delta').listen();
metrics.add(runner, 'correction').listen();
}
if (engine) {
metrics.add(engine.metrics, 'bodies').listen();
metrics.add(engine.metrics, 'collisions').listen();
metrics.add(engine.metrics, 'pairs').listen();
metrics.add(engine.metrics, 'broadEff').listen();
metrics.add(engine.metrics, 'midEff').listen();
metrics.add(engine.metrics, 'narrowEff').listen();
metrics.add(engine.metrics, 'narrowReuse').listen();
}
metrics.open();
}
if (engine) {
var controls = datGui.addFolder('Add Body');
controls.add(gui, 'amount', 1, 5).step(1);
controls.add(gui, 'size', 5, 150).step(1);
controls.add(gui, 'sides', 1, 8).step(1);
controls.add(gui, 'density', 0.0001, 0.01).step(0.001);
controls.add(gui, 'friction', 0, 1).step(0.05);
controls.add(gui, 'frictionStatic', 0, 10).step(0.1);
controls.add(gui, 'frictionAir', 0, gui.frictionAir * 10).step(gui.frictionAir / 10);
controls.add(gui, 'restitution', 0, 1).step(0.1);
controls.add(gui, 'chamfer', 0, 30).step(2);
controls.add(funcs, 'addBody');
controls.open();
var worldGui = datGui.addFolder('World');
if (gui.serializer) {
worldGui.add(funcs, 'load');
worldGui.add(funcs, 'save');
}
worldGui.add(funcs, 'clear');
worldGui.open();
var gravity = datGui.addFolder('Gravity');
gravity.add(engine.world.gravity, 'scale', 0, 0.001).step(0.0001);
gravity.add(engine.world.gravity, 'x', -1, 1).step(0.01);
gravity.add(engine.world.gravity, 'y', -1, 1).step(0.01);
var physics = datGui.addFolder('Engine');
physics.add(engine, 'enableSleeping');
physics.add(engine.timing, 'timeScale', 0, 1.2).step(0.05).listen();
physics.add(engine, 'velocityIterations', 1, 10).step(1);
physics.add(engine, 'positionIterations', 1, 10).step(1);
physics.add(engine, 'constraintIterations', 1, 10).step(1);
if (runner) {
physics.add(runner, 'enabled');
}
}
if (gui.render) {
var render = datGui.addFolder('Render');
render
.add(gui.render.options, 'wireframes')
.onFinishChange(function(value) {
if (!value) {
angleIndicatorWidget.setValue(false);
axesWidget.setValue(false);
}
});
render.add(gui.render.options, 'showDebug');
render.add(gui.render.options, 'showPositions');
render.add(gui.render.options, 'showBroadphase');
render.add(gui.render.options, 'showBounds');
render.add(gui.render.options, 'showVelocity');
render.add(gui.render.options, 'showCollisions');
render.add(gui.render.options, 'showSeparations');
var axesWidget = render.add(gui.render.options, 'showAxes');
var angleIndicatorWidget = render.add(gui.render.options, 'showAngleIndicator');
render.add(gui.render.options, 'showSleeping');
render.add(gui.render.options, 'showIds');
render.add(gui.render.options, 'showVertexNumbers');
render.add(gui.render.options, 'showConvexHulls');
render.add(gui.render.options, 'showInternalEdges');
render.add(gui.render.options, 'enabled');
render.open();
}
document.body.appendChild(gui.datGui.domElement);
};
var _addBody = function(gui) {
var engine = gui.engine;
var options = {
density: gui.density,
friction: gui.friction,
frictionStatic: gui.frictionStatic,
frictionAir: gui.frictionAir,
restitution: gui.restitution
};
if (gui.chamfer && gui.sides > 2) {
options.chamfer = {
radius: gui.chamfer
};
}
for (var i = 0; i < gui.amount; i++) {
World.add(engine.world, Bodies.polygon(gui.offset.x + 120 + i * gui.size + i * 50, gui.offset.y + 200, gui.sides, gui.size, options));
}
};
var _clear = function(gui) {
var engine = gui.engine,
constraints = Composite.allConstraints(engine.world),
mouseConstraint = null;
// find mouse constraints
for (var i = 0; i < constraints.length; i += 1) {
var constraint = constraints[i];
// TODO: need a better way than this
if (constraint.label === 'Mouse Constraint') {
mouseConstraint = constraint;
break;
}
}
World.clear(engine.world, true);
Engine.clear(engine);
// add mouse constraint back in
if (mouseConstraint) {
Composite.add(engine.world, mouseConstraint);
}
// clear scene graph (if defined in controller)
if (gui.render) {
var renderController = gui.render.controller;
if (renderController.clear)
renderController.clear(gui.render);
}
Events.trigger(gui, 'clear');
};
/*
*
* Events Documentation
*
*/
/**
* Fired after the gui's clear button pressed
*
* @event clear
* @param {} event An event object
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
/**
* Fired after the gui's save button pressed
*
* @event save
* @param {} event An event object
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
/**
* Fired after the gui's load button pressed
*
* @event load
* @param {} event An event object
* @param {} event.source The source object of the event
* @param {} event.name The name of the event
*/
/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {
"use strict";
/**
* A tool for inspecting worlds.
* @module Inspector
*/
const Inspector = module.exports = {};
const km = __webpack_require__(10);
const $ = __webpack_require__(5);
__webpack_require__(11);
const ToolsCommon = __webpack_require__(1);
const Serializer = __webpack_require__(2);
const Matter = __webpack_require__(0);
const Body = Matter.Body;
const Bounds = Matter.Bounds;
const Composite = Matter.Composite;
const Common = Matter.Common;
const Events = Matter.Events;
const Mouse = Matter.Mouse;
const Query = Matter.Query;
const Vertices = Matter.Vertices;
const Vector = Matter.Vector;
const MouseConstraint = Matter.MouseConstraint;
var $body;
/**
* Creates an inspector
* @function Gui.create
* @param {engine} engine
* @param {render} [render]
* @param {object} options
* @return {inspector} The created inspector instance.
*/
Inspector.create = function(engine, render, options) {
var inspector = {
engine: null,
render: null,
isPaused: false,
selected: [],
selectStart: null,
selectEnd: null,
selectBounds: Bounds.create(),
mousePrevPosition: { x: 0, y: 0 },
offset: { x: 0, y: 0 },
autoExpand: true,
autoHide: true,
autoRewind: true,
hasExpanded: false,
bodyClass: '',
exportIndent: 0,
clipboard: [],
controls: {
container: null,
worldTree: null
},
root: Composite.create({
label: 'Root'
}),
keyBindings: []
};
inspector = Common.extend(inspector, options);
Inspector.instance = inspector;
inspector.engine = engine;
inspector.render = render;
if (inspector.render) {
inspector.mouse = Mouse.create(inspector.render.canvas);
inspector.mouseConstraint = MouseConstraint.create(engine, { mouse: inspector.mouse });
} else {
inspector.mouse = {
position: {
x: 0,
y: 0
}
};
}
if (Serializer) {
inspector.serializer = Serializer.create();
localStorage.removeItem('pauseState');
}
$body = $('body');
Composite.add(inspector.root, engine.world);
engine.world.isModified = true;
engine.world.parent = null;
let styles = __webpack_require__(12);
ToolsCommon.injectStyles(styles, 'js-tree-style');
styles = __webpack_require__(13);
ToolsCommon.injectStyles(styles, 'matter-inspector-style');
inspector.keyBind = Common.chain(km, (key) => {
inspector.keyBindings.push(key);
});
_initControls(inspector);
_initEngineEvents(inspector);
_initTree(inspector);
_initKeybinds(inspector);
return inspector;
};
/**
* Destroys the inspector
* @function Gui.destroy
* @param {Inspector} inspector
*/
Inspector.destroy = function(inspector) {
inspector.controls.worldTree.data('jstree').destroy();
var inspectorElements = [].slice.call(
document.body.querySelectorAll(
'.ins-container', '.vakata-context', '.jstree-marker'
)
);
inspectorElements.forEach(ToolsCommon.domRemove);
inspector.keyBindings.forEach((key) => {
km.unbind(key);
});
Events.off(inspector.engine, 'beforeUpdate', inspector.beforeEngineUpdate);
if (inspector.render) {
Events.off(inspector.render, 'afterRender', inspector.afterRender);
Events.off(inspector.mouseConstraint);
}
};
var _initControls = function(inspector) {
var controls = inspector.controls;
var $inspectorContainer = $('<div class="ins-container">'),
$topPanel = $('<div class="ins-top-panel">'),
$buttonGroup = $('<div class="ins-control-group">'),
$searchBox = $('<input class="ins-search-box" type="search" placeholder="search">'),
$importButton = $('<button class="ins-import-button ins-button">Import</button>'),
$exportButton = $('<button class="ins-export-button ins-button">Export</button>'),
$pauseButton = $('<button class="ins-pause-button ins-button">Pause</button>'),
$helpButton = $('<button class="ins-help-button ins-button">Help</button>'),
$addCompositeButton = $('<button aria-label="Add composite body" title="Add composite body" class="ins-add-button ins-button">+</button>');
if (Serializer) {
$buttonGroup.append($pauseButton, $importButton, $exportButton, $helpButton);
} else {
$buttonGroup.append($pauseButton, $helpButton);
}
$inspectorContainer.prepend($topPanel, $searchBox, $addCompositeButton);
$body.prepend($inspectorContainer);
controls.pauseButton = $pauseButton;
controls.importButton = $importButton;
controls.exportButton = $exportButton;
controls.helpButton = $helpButton;
controls.searchBox = $searchBox;
controls.container = $inspectorContainer;
controls.addCompositeButton = $addCompositeButton;
controls.pauseButton.click(function() {
_setPaused(inspector, !inspector.isPaused);
});
controls.exportButton.click(function() {
_exportFile(inspector);
});
controls.importButton.click(function() {
_importFile(inspector);
});
controls.helpButton.click(function() {
_showHelp(inspector);
});
controls.addCompositeButton.click(function() {
_addNewComposite(inspector);
});
var searchTimeout;
controls.searchBox.keyup(function () {
clearTimeout(searchTimeout);
searchTimeout = setTimeout(function () {
var value = controls.searchBox.val(),
worldTree = controls.worldTree.data('jstree');
worldTree.search(value);
}, 250);
});
};
var _showHelp = function() {
var help = "Matter Tools\n\n";
help += "Drag nodes in the tree to move them between composites.\n";
help += "Use browser's developer console to inspect selected objects.\n";
help += "Note: selections only render if renderer supports it.\n\n";
help += "[shift + space] pause or play simulation.\n";
help += "[right click] and drag on empty space to select a region.\n";
help += "[right click] and drag on an object to move it.\n";
help += "[right click + shift] and drag to move whole selection.\n\n";
help += "[ctrl-c] to copy selected world objects.\n";
help += "[ctrl-v] to paste copied world objects to mouse position.\n";
help += "[del] or [backspace] delete selected objects.\n\n";
help += "[shift + s] scale-xy selected objects with mouse or arrows.\n";
help += "[shift + s + d] scale-x selected objects with mouse or arrows.\n";
help += "[shift + s + f] scale-y selected objects with mouse or arrows.\n";
help += "[shift + r] rotate selected objects with mouse or arrows.\n\n";
help += "[shift + q] set selected objects as static (can't be undone).\n";
help += "[shift + i] import objects.\n";
help += "[shift + o] export selected objects.\n";
help += "[shift + h] toggle Matter.Gui.\n";
help += "[shift + y] toggle auto-hide.\n";
help += "[shift + r] toggle auto-rewind on play/pause.\n\n";
help += "[shift + j] show this help message.";
alert(help);
};
var _initKeybinds = function(inspector) {
inspector.keyBind('shift+space', function() {
_setPaused(inspector, !inspector.isPaused);
});
if (inspector.serializer) {
inspector.keyBind('shift+o', function() {
_exportFile(inspector);
});
inspector.keyBind('shift+i', function() {
_importFile(inspector);
});
}
inspector.keyBind('shift+j', function() {
_showHelp(inspector);
});
inspector.keyBind('shift+y', function() {
inspector.autoHide = !inspector.autoHide;
$body.toggleClass('ins-auto-hide gui-auto-hide', inspector.autoHide);
});
inspector.keyBind('shift+r', function() {
inspector.autoRewind = !inspector.autoRewind;
if (!inspector.autoRewind)
localStorage.removeItem('pauseState');
});
inspector.keyBind('shift+q', function() {
for (var i = 0; i < inspector.selected.length; i++) {
var object = inspector.selected[i].data;
if (object.type === 'body' && !object.isStatic)
Body.setStatic(object, true);
}
});
inspector.keyBind('del', function() {
_deleteSelectedObjects(inspector);
});
inspector.keyBind('backspace', function() {
_deleteSelectedObjects(inspector);
});
if (inspector.serializer) {
inspector.keyBind('ctrl+c', function() {
_copySelectedObjects(inspector);
});
inspector.keyBind('ctrl+v', function() {
_pasteSelectedObjects(inspector);
});
}
// prevent the backspace key from navigating back
// http://stackoverflow.com/questions/1495219/how-can-i-prevent-the-backspace-key-from-navigating-back
$(document).unbind('keydown').bind('keydown', function (event) {
var doPrevent = false;
if (event.keyCode === 8) {
var d = event.srcElement || event.target;
if ((d.tagName.toUpperCase() === 'INPUT' && (d.type.toUpperCase() === 'TEXT' || d.type.toUpperCase() === 'PASSWORD' || d.type.toUpperCase() === 'FILE' || d.type.toUpperCase() === 'EMAIL' || d.type.toUpperCase() === 'SEARCH')) || d.tagName.toUpperCase() === 'TEXTAREA') {
doPrevent = d.readOnly || d.disabled;
}
else {
doPrevent = true;
}
}
if (doPrevent) {
event.preventDefault();
}
});
};
var _initTree = function(inspector) {
var engine = inspector.engine,
controls = inspector.controls,
deferTimeout;
var worldTreeOptions = {
'core': {
'check_callback': true,
'animation': false
},
'dnd': {
'copy': false
},
'search': {
'show_only_matches': true,
'fuzzy': false
},
'types': {
'#': {
'valid_children': []
},
'body': {
'valid_children': []
},
'constraint': {
'valid_children': []
},
'composite': {
'valid_children': []
},
'bodies': {
'valid_children': ['body']
},
'constraints': {
'valid_children': ['constraint']
},
'composites': {
'valid_children': ['composite']
}
},
'plugins' : ['dnd', 'types', 'unique', 'search']
};
controls.worldTree = $('<div class="ins-world-tree">').jstree(worldTreeOptions);
controls.container.append(controls.worldTree);
inspector.hasExpanded = false;
controls.worldTree.on('refresh.jstree', function() {
// expand tree on first update
if (inspector.autoExpand && !inspector.hasExpanded) {
inspector.hasExpanded = true;
controls.worldTree.jstree('open_all');
}
});
controls.worldTree.on('changed.jstree', function(event, data) {
var selected = [],
worldTree = controls.worldTree.data('jstree');
if (data.action !== 'select_node')
return;
// defer selection update until selection has finished propagating
clearTimeout(deferTimeout);
deferTimeout = setTimeout(function() {
data.selected = worldTree.get_selected();
for (var i = 0; i < data.selected.length; i++) {
var nodeId = data.selected[i],
objectType = nodeId.split('_')[0],
objectId = nodeId.split('_')[1],
worldObject = Composite.get(engine.world, objectId, objectType);
switch (objectType) {
case 'body':
case 'constraint':
case 'composite':
selected.push(worldObject);
break;
}
}