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system.js
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system.js
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ig.module(
'plugins.twopointfive.system'
)
.requires(
'impact.system',
'plugins.twopointfive.namespace',
'plugins.twopointfive.renderer.ortho-camera',
'plugins.twopointfive.renderer.perspective-camera',
'plugins.twopointfive.renderer.renderer',
'plugins.twopointfive.renderer.stereo-renderer'
)
.defines(function(){ "use strict";
ig.System.inject({
renderer: null,
scene: null,
camera: null,
isFullscreen: false,
hasMouseLock: false,
initialWidth: 640,
initialHeight: 480,
fov: 75,
stereoMode: false,
init: function( canvasId, fps, width, height, scale ) {
this.initialWidth = width;
this.initialHeight = height;
this.clock = new ig.Timer();
this.canvas = ig.$(canvasId);
this.canvas.width = width * ig.ua.pixelRatio;
this.canvas.height = height * ig.ua.pixelRatio;
this.canvas.style.width = width + 'px';
this.canvas.style.height = height + 'px';
this.realWidth = this.width = width;
this.realHeight = this.height = height;
this.renderer = new tpf.Renderer(canvas);
this.resize( width, height, scale );
},
horizontalFov: function() {
// The renderer may override the system's fov for stereo rendering
if( this.renderer.viewportFov ) {
return this.renderer.viewportFov.toDeg();
}
return this.fov * this.camera.aspect;
},
resize: function( width, height, scale ) {
var r = ig.System.useRetina ? ig.ua.pixelRatio : 1;
this.width = width;
this.height = height;
this.realWidth = this.width = width;
this.realHeight = this.height = height;
this.canvas.width = width * r;
this.canvas.height = height * r;
this.renderer.setSize( width * r, height * r );
this.canvas.style.width = width + 'px';
this.canvas.style.height = height + 'px';
this.camera = new tpf.PerspectiveCamera( this.fov, width / height, 1, 10000 );
},
setStereoMode: function( on ) {
if( on && !tpf.StereoRenderer.hasWebVR() ) {
alert('No WebVR Support found :/');
return;
}
var fog = this.renderer && this.renderer.fog;
this.stereoMode = on;
if( on ) {
this.renderer = new tpf.StereoRenderer(canvas);
}
else {
this.renderer = new tpf.Renderer(canvas);
}
if( fog ) {
this.renderer.setFog( fog.color, fog.near, fog.far );
}
},
setupFullscreenMouselockOnce: function() {
if( this.fullscreenSetupComplete ) { return; }
// Fuck yeah, Vendor Prefixes \o/
// Request fullscreen
this.canvas.requestFullscreen =
ig.getVendorAttribute( this.canvas, 'requestFullscreen') ||
ig.getVendorAttribute( this.canvas, 'requestFullScreen'); // uppercase S (moz)
var fullscreenCallback = this.fullscreenCallback.bind(this);
document.addEventListener('fullscreenchange', fullscreenCallback, false);
document.addEventListener('mozfullscreenchange', fullscreenCallback, false);
document.addEventListener('webkitfullscreenchange', fullscreenCallback, false);
// Request pointer lock
ig.normalizeVendorAttribute( this.canvas, 'requestPointerLock' );
var mouseLockCallback = this.mouseLockCallback.bind(this);
document.addEventListener('pointerlockchange', mouseLockCallback, false);
document.addEventListener('mozpointerlockchange', mouseLockCallback, false);
document.addEventListener('webkitpointerlockchange', mouseLockCallback, false);
this.fullscreenSetupComplete = true;
},
requestFullscreen: function() {
this.setupFullscreenMouselockOnce();
this.canvas.requestFullscreen(this.renderer.fullscreenFlags);
},
requestMouseLock: function() {
this.setupFullscreenMouselockOnce();
this.canvas.requestPointerLock();
},
fullscreenCallback: function( ev ) {
if(
document.webkitFullscreenElement === this.canvas ||
document.mozFullscreenElement === this.canvas ||
document.mozFullScreenElement === this.canvas
) {
this.isFullscreen = true;
this.resize( screen.width, screen.height, 1 );
this.canvas.requestPointerLock();
}
else {
this.isFullscreen = false;
this.resize( this.initialWidth, this.initialHeight, 1 );
}
return true;
},
mouseLockCallback: function( ev ) {
this.hasMouseLock = (
document.pointerLockElement === this.canvas ||
document.mozPointerLockElement === this.canvas ||
document.webkitPointerLockElement === this.canvas
);
},
clear: function() {},
});
ig.System.useRetina = true;
ig.System._hasWebGL = null;
ig.System.hasWebGL = function() {
if( ig.System._hasWebGL === null ) {
var canvas = document.createElement('canvas');
var gl = null;
try { gl = canvas.getContext("webgl"); }
catch (x) { gl = null; }
if (gl === null) {
try { gl = canvas.getContext("experimental-webgl"); }
catch (x) { gl = null; }
}
ig.System._hasWebGL = (gl !== null);
}
return ig.System._hasWebGL;
};
});