69e5454d18
Use statically linked freeglut, instead of dynamic glut for the obsolete Bullet 2.x demos Add the 'reset' method to b3GpuDynamicsWorld, and use it in the BasicGpuDemo (pretty slow in debug mode, use release mode) Don't crash in btCollisionWorld, if there is no collision dispatcher
134 lines
4.6 KiB
JavaScript
134 lines
4.6 KiB
JavaScript
// Copyright (c) 2011 The Native Client Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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/**
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* @fileoverview The tumbler Application object. This object instantiates a
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* Trackball object and connects it to the element named |tumbler_content|.
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* It also conditionally embeds a debuggable module or a release module into
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* the |tumbler_content| element.
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*/
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// Requires tumbler
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// Requires tumbler.Dragger
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// Requires tumbler.Trackball
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/**
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* Constructor for the Application class. Use the run() method to populate
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* the object with controllers and wire up the events.
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* @constructor
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*/
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tumbler.Application = function() {
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/**
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* The native module for the application. This refers to the module loaded
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* via the <embed> tag.
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* @type {Element}
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* @private
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*/
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this.module_ = null;
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/**
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* The trackball object.
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* @type {tumbler.Trackball}
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* @private
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*/
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this.trackball_ = null;
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/**
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* The mouse-drag event object.
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* @type {tumbler.Dragger}
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* @private
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*/
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this.dragger_ = null;
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/**
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* The function objects that get attached as event handlers. These are
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* cached so that they can be removed when they are no longer needed.
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* @type {function}
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* @private
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*/
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this.boundModuleDidLoad_ = null;
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}
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/**
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* The ids used for elements in the DOM. The Tumlber Application expects these
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* elements to exist.
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* @enum {string}
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* @private
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*/
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tumbler.Application.DomIds_ = {
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MODULE: 'tumbler', // The <embed> element representing the NaCl module
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VIEW: 'tumbler_view' // The <div> containing the NaCl element.
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}
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/**
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* Called by the module loading function once the module has been loaded.
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* @param {?Element} nativeModule The instance of the native module.
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*/
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tumbler.Application.prototype.moduleDidLoad = function() {
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this.module_ = document.getElementById(tumbler.Application.DomIds_.MODULE);
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// Unbind the load function.
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this.boundModuleDidLoad_ = null;
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/**
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* Set the camera orientation property on the NaCl module.
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* @param {Array.<number>} orientation A 4-element array representing the
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* camera orientation as a quaternion.
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*/
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this.module_.setCameraOrientation = function(orientation) {
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var methodString = 'setCameraOrientation ' +
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'orientation:' +
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JSON.stringify(orientation);
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this.postMessage(methodString);
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}
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this.trackball_ = new tumbler.Trackball();
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this.dragger_ = new tumbler.Dragger(this.module_);
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this.dragger_.addDragListener(this.trackball_);
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}
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/**
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* Asserts that cond is true; issues an alert and throws an Error otherwise.
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* @param {bool} cond The condition.
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* @param {String} message The error message issued if cond is false.
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*/
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tumbler.Application.prototype.assert = function(cond, message) {
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if (!cond) {
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message = "Assertion failed: " + message;
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alert(message);
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throw new Error(message);
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}
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}
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/**
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* The run() method starts and 'runs' the application. The trackball object
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* is allocated and all the events get wired up.
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* @param {?String} opt_contentDivName The id of a DOM element in which to
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* embed the Native Client module. If unspecified, defaults to
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* VIEW. The DOM element must exist.
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*/
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tumbler.Application.prototype.run = function(opt_contentDivName) {
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contentDivName = opt_contentDivName || tumbler.Application.DomIds_.VIEW;
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var contentDiv = document.getElementById(contentDivName);
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this.assert(contentDiv, "Missing DOM element '" + contentDivName + "'");
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// Note that the <EMBED> element is wrapped inside a <DIV>, which has a 'load'
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// event listener attached. This method is used instead of attaching the
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// 'load' event listener directly to the <EMBED> element to ensure that the
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// listener is active before the NaCl module 'load' event fires.
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this.boundModuleDidLoad_ = this.moduleDidLoad.bind(this);
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contentDiv.addEventListener('load', this.boundModuleDidLoad_, true);
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// Load the published .nexe. This includes the 'nacl' attribute which
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// shows how to load multi-architecture modules. Each entry in the "nexes"
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// object in the .nmf manifest file is a key-value pair: the key is the
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// runtime ('x86-32', 'x86-64', etc.); the value is a URL for the desired
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// NaCl module. To load the debug versions of your .nexes, set the 'nacl'
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// attribute to the _dbg.nmf version of the manifest file.
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contentDiv.innerHTML = '<embed id="'
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+ tumbler.Application.DomIds_.MODULE + '" '
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+ 'src=tumbler.nmf '
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+ 'type="application/x-nacl" '
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+ 'width="480" height="480" />'
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}
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