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@@ -0,0 +1,1119 @@
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+/**
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+ * @author mrdoob / http://mrdoob.com/
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+ */
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+
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+THREE.SpriteCanvasMaterial = function ( parameters ) {
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+
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+ THREE.Material.call( this );
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+
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+ this.type = 'SpriteCanvasMaterial';
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+
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+ this.color = new THREE.Color( 0xffffff );
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+ this.program = function ( context, color ) {};
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+
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+ this.setValues( parameters );
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+
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+};
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+
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+THREE.SpriteCanvasMaterial.prototype = Object.create( THREE.Material.prototype );
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+THREE.SpriteCanvasMaterial.prototype.constructor = THREE.SpriteCanvasMaterial;
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+
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+THREE.SpriteCanvasMaterial.prototype.clone = function () {
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+
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+ var material = new THREE.SpriteCanvasMaterial();
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+
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+ material.copy( this );
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+ material.color.copy( this.color );
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+ material.program = this.program;
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+
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+ return material;
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+
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+};
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+
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+//
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+
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+THREE.CanvasRenderer = function ( parameters ) {
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+
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+ console.log( 'THREE.CanvasRenderer', THREE.REVISION );
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+
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+ parameters = parameters || {};
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+
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+ var _this = this,
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+ _renderData, _elements, _lights,
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+ _projector = new THREE.Projector(),
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+
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+ _canvas = parameters.canvas !== undefined
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+ ? parameters.canvas
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+ : document.createElement( 'canvas' ),
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+
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+ _canvasWidth = _canvas.width,
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+ _canvasHeight = _canvas.height,
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+ _canvasWidthHalf = Math.floor( _canvasWidth / 2 ),
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+ _canvasHeightHalf = Math.floor( _canvasHeight / 2 ),
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+
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+ _viewportX = 0,
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+ _viewportY = 0,
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+ _viewportWidth = _canvasWidth,
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+ _viewportHeight = _canvasHeight,
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+
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+ _pixelRatio = 1,
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+
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+ _context = _canvas.getContext( '2d', {
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+ alpha: parameters.alpha === true
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+ } ),
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+
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+ //Background Color
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+ _clearColor = new THREE.Color( 0x25243e ),
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+ _clearAlpha = parameters.alpha === true ? 0 : 1,
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+
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+ _contextGlobalAlpha = 1,
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+ _contextGlobalCompositeOperation = 0,
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+ _contextStrokeStyle = null,
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+ _contextFillStyle = null,
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+ _contextLineWidth = null,
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+ _contextLineCap = null,
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+ _contextLineJoin = null,
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+ _contextLineDash = [],
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+
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+ _camera,
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+
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+ _v1, _v2, _v3, _v4,
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+ _v5 = new THREE.RenderableVertex(),
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+ _v6 = new THREE.RenderableVertex(),
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+
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+ _v1x, _v1y, _v2x, _v2y, _v3x, _v3y,
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+ _v4x, _v4y, _v5x, _v5y, _v6x, _v6y,
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+
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+ _color = new THREE.Color(),
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+ _color1 = new THREE.Color(),
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+ _color2 = new THREE.Color(),
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+ _color3 = new THREE.Color(),
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+ _color4 = new THREE.Color(),
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+
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+ _diffuseColor = new THREE.Color(),
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+ _emissiveColor = new THREE.Color(),
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+
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+ _lightColor = new THREE.Color(),
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+
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+ _patterns = {},
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+
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+ _image, _uvs,
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+ _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y,
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+
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+ _clipBox = new THREE.Box2(),
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+ _clearBox = new THREE.Box2(),
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+ _elemBox = new THREE.Box2(),
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+
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+ _ambientLight = new THREE.Color(),
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+ _directionalLights = new THREE.Color(),
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+ _pointLights = new THREE.Color(),
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+
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+ _vector3 = new THREE.Vector3(), // Needed for PointLight
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+ _centroid = new THREE.Vector3(),
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+ _normal = new THREE.Vector3(),
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+ _normalViewMatrix = new THREE.Matrix3();
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+
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+ /* TODO
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+ _canvas.mozImageSmoothingEnabled = false;
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+ _canvas.webkitImageSmoothingEnabled = false;
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+ _canvas.msImageSmoothingEnabled = false;
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+ _canvas.imageSmoothingEnabled = false;
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+ */
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+
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+ // dash+gap fallbacks for Firefox and everything else
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+
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+ if ( _context.setLineDash === undefined ) {
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+
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+ _context.setLineDash = function () {};
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+
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+ }
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+
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+ this.domElement = _canvas;
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+
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+ this.autoClear = true;
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+ this.sortObjects = true;
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+ this.sortElements = true;
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+
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+ this.info = {
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+
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+ render: {
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+
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+ vertices: 0,
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+ faces: 0
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+
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+ }
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+
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+ };
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+
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+ // WebGLRenderer compatibility
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+
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+ this.supportsVertexTextures = function () {};
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+ this.setFaceCulling = function () {};
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+
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+ // API
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+
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+ this.getContext = function () {
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+
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+ return _context;
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+
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+ };
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+
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+ this.getContextAttributes = function () {
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+
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+ return _context.getContextAttributes();
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+
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+ };
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+
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+ this.getPixelRatio = function () {
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+
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+ return _pixelRatio;
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+
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+ };
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+
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+ this.setPixelRatio = function ( value ) {
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+
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+ if ( value !== undefined ) _pixelRatio = value;
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+
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+ };
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+
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+ this.setSize = function ( width, height, updateStyle ) {
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+
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+ _canvasWidth = width * _pixelRatio;
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+ _canvasHeight = height * _pixelRatio;
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+
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+ _canvas.width = _canvasWidth;
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+ _canvas.height = _canvasHeight;
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+
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+ _canvasWidthHalf = Math.floor( _canvasWidth / 2 );
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+ _canvasHeightHalf = Math.floor( _canvasHeight / 2 );
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+
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+ if ( updateStyle !== false ) {
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+
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+ _canvas.style.width = width + 'px';
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+ _canvas.style.height = height + 'px';
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+
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+ }
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+
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+ _clipBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
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+ _clipBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
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+
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+ _clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
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+ _clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
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+
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+ _contextGlobalAlpha = 1;
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+ _contextGlobalCompositeOperation = 0;
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+ _contextStrokeStyle = null;
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+ _contextFillStyle = null;
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+ _contextLineWidth = null;
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+ _contextLineCap = null;
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+ _contextLineJoin = null;
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+
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+ this.setViewport( 0, 0, width, height );
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+
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+ };
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+
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+ this.setViewport = function ( x, y, width, height ) {
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+
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+ _viewportX = x * _pixelRatio;
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+ _viewportY = y * _pixelRatio;
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+
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+ _viewportWidth = width * _pixelRatio;
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+ _viewportHeight = height * _pixelRatio;
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+
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+ };
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+
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+ this.setScissor = function () {};
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+ this.setScissorTest = function () {};
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+
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+ this.setClearColor = function ( color, alpha ) {
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+
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+ _clearColor.set( color );
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+ _clearAlpha = alpha !== undefined ? alpha : 1;
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+
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+ _clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
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+ _clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
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+
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+ };
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+
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+ this.setClearColorHex = function ( hex, alpha ) {
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+
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+ console.warn( 'THREE.CanvasRenderer: .setClearColorHex() is being removed. Use .setClearColor() instead.' );
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+ this.setClearColor( hex, alpha );
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+
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+ };
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+
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+ this.getClearColor = function () {
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+
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+ return _clearColor;
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+
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+ };
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+
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+ this.getClearAlpha = function () {
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+
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+ return _clearAlpha;
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+
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+ };
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+
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+ this.getMaxAnisotropy = function () {
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+
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+ return 0;
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+
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+ };
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+
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+ this.clear = function () {
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+
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+ if ( _clearBox.isEmpty() === false ) {
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+
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+ _clearBox.intersect( _clipBox );
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+ _clearBox.expandByScalar( 2 );
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+
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+ _clearBox.min.x = _clearBox.min.x + _canvasWidthHalf;
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+ _clearBox.min.y = - _clearBox.min.y + _canvasHeightHalf; // higher y value !
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+ _clearBox.max.x = _clearBox.max.x + _canvasWidthHalf;
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+ _clearBox.max.y = - _clearBox.max.y + _canvasHeightHalf; // lower y value !
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+
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+ if ( _clearAlpha < 1 ) {
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+
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+ _context.clearRect(
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+ _clearBox.min.x | 0,
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+ _clearBox.max.y | 0,
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+ ( _clearBox.max.x - _clearBox.min.x ) | 0,
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+ ( _clearBox.min.y - _clearBox.max.y ) | 0
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+ );
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+
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+ }
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+
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+ if ( _clearAlpha > 0 ) {
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+
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+ setBlending( THREE.NormalBlending );
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+ setOpacity( 1 );
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+
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+ setFillStyle( 'rgba(' + Math.floor( _clearColor.r * 255 ) + ',' + Math.floor( _clearColor.g * 255 ) + ',' + Math.floor( _clearColor.b * 255 ) + ',' + _clearAlpha + ')' );
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+
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+ _context.fillRect(
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+ _clearBox.min.x | 0,
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+ _clearBox.max.y | 0,
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+ ( _clearBox.max.x - _clearBox.min.x ) | 0,
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+ ( _clearBox.min.y - _clearBox.max.y ) | 0
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+ );
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+
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+ }
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+
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+ _clearBox.makeEmpty();
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+
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+ }
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+
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+ };
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+
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+ // compatibility
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+
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+ this.clearColor = function () {};
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+ this.clearDepth = function () {};
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+ this.clearStencil = function () {};
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+
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+ this.render = function ( scene, camera ) {
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+
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+ if ( camera instanceof THREE.Camera === false ) {
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+
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+ console.error( 'THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.' );
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+ return;
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+
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+ }
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+
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+ if ( this.autoClear === true ) this.clear();
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+
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+ _this.info.render.vertices = 0;
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+ _this.info.render.faces = 0;
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+
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+ _context.setTransform( _viewportWidth / _canvasWidth, 0, 0, - _viewportHeight / _canvasHeight, _viewportX, _canvasHeight - _viewportY );
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+ _context.translate( _canvasWidthHalf, _canvasHeightHalf );
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+
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+ _renderData = _projector.projectScene( scene, camera, this.sortObjects, this.sortElements );
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+ _elements = _renderData.elements;
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+ _lights = _renderData.lights;
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+ _camera = camera;
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+
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+ _normalViewMatrix.getNormalMatrix( camera.matrixWorldInverse );
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+
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+ /* DEBUG
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+ setFillStyle( 'rgba( 0, 255, 255, 0.5 )' );
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+ _context.fillRect( _clipBox.min.x, _clipBox.min.y, _clipBox.max.x - _clipBox.min.x, _clipBox.max.y - _clipBox.min.y );
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+ */
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+
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+ calculateLights();
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+
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+ for ( var e = 0, el = _elements.length; e < el; e ++ ) {
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+
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+ var element = _elements[ e ];
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+
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+ var material = element.material;
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+
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+ if ( material === undefined || material.opacity === 0 ) continue;
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+
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+ _elemBox.makeEmpty();
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+
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+ if ( element instanceof THREE.RenderableSprite ) {
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+
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+ _v1 = element;
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+ _v1.x *= _canvasWidthHalf; _v1.y *= _canvasHeightHalf;
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+
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+ renderSprite( _v1, element, material );
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+
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+ } else if ( element instanceof THREE.RenderableLine ) {
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+
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+ _v1 = element.v1; _v2 = element.v2;
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+
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+ _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
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+ _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
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+
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+ _elemBox.setFromPoints( [
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+ _v1.positionScreen,
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+ _v2.positionScreen
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+ ] );
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+
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+ if ( _clipBox.intersectsBox( _elemBox ) === true ) {
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+
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+ renderLine( _v1, _v2, element, material );
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+
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+ }
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+
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+ } else if ( element instanceof THREE.RenderableFace ) {
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+
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+ _v1 = element.v1; _v2 = element.v2; _v3 = element.v3;
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+
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+ if ( _v1.positionScreen.z < - 1 || _v1.positionScreen.z > 1 ) continue;
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+ if ( _v2.positionScreen.z < - 1 || _v2.positionScreen.z > 1 ) continue;
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+ if ( _v3.positionScreen.z < - 1 || _v3.positionScreen.z > 1 ) continue;
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+
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+ _v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
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+ _v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
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+ _v3.positionScreen.x *= _canvasWidthHalf; _v3.positionScreen.y *= _canvasHeightHalf;
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+
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+ if ( material.overdraw > 0 ) {
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+
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+ expand( _v1.positionScreen, _v2.positionScreen, material.overdraw );
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+ expand( _v2.positionScreen, _v3.positionScreen, material.overdraw );
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+ expand( _v3.positionScreen, _v1.positionScreen, material.overdraw );
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+
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+ }
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+
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+ _elemBox.setFromPoints( [
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+ _v1.positionScreen,
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+ _v2.positionScreen,
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+ _v3.positionScreen
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+ ] );
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+
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+ if ( _clipBox.intersectsBox( _elemBox ) === true ) {
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+
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+ renderFace3( _v1, _v2, _v3, 0, 1, 2, element, material );
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+
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+ }
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+
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+ }
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+
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+ /* DEBUG
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+ setLineWidth( 1 );
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+ setStrokeStyle( 'rgba( 0, 255, 0, 0.5 )' );
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+ _context.strokeRect( _elemBox.min.x, _elemBox.min.y, _elemBox.max.x - _elemBox.min.x, _elemBox.max.y - _elemBox.min.y );
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+ */
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+
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+ _clearBox.union( _elemBox );
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+
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+ }
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+
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+ /* DEBUG
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+ setLineWidth( 1 );
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+ setStrokeStyle( 'rgba( 255, 0, 0, 0.5 )' );
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+ _context.strokeRect( _clearBox.min.x, _clearBox.min.y, _clearBox.max.x - _clearBox.min.x, _clearBox.max.y - _clearBox.min.y );
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+ */
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+
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|
|
+ _context.setTransform( 1, 0, 0, 1, 0, 0 );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ //
|
|
|
+
|
|
|
+ function calculateLights() {
|
|
|
+
|
|
|
+ _ambientLight.setRGB( 0, 0, 0 );
|
|
|
+ _directionalLights.setRGB( 0, 0, 0 );
|
|
|
+ _pointLights.setRGB( 0, 0, 0 );
|
|
|
+
|
|
|
+ for ( var l = 0, ll = _lights.length; l < ll; l ++ ) {
|
|
|
+
|
|
|
+ var light = _lights[ l ];
|
|
|
+ var lightColor = light.color;
|
|
|
+
|
|
|
+ if ( light instanceof THREE.AmbientLight ) {
|
|
|
+
|
|
|
+ _ambientLight.add( lightColor );
|
|
|
+
|
|
|
+ } else if ( light instanceof THREE.DirectionalLight ) {
|
|
|
+
|
|
|
+ // for sprites
|
|
|
+
|
|
|
+ _directionalLights.add( lightColor );
|
|
|
+
|
|
|
+ } else if ( light instanceof THREE.PointLight ) {
|
|
|
+
|
|
|
+ // for sprites
|
|
|
+
|
|
|
+ _pointLights.add( lightColor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function calculateLight( position, normal, color ) {
|
|
|
+
|
|
|
+ for ( var l = 0, ll = _lights.length; l < ll; l ++ ) {
|
|
|
+
|
|
|
+ var light = _lights[ l ];
|
|
|
+
|
|
|
+ _lightColor.copy( light.color );
|
|
|
+
|
|
|
+ if ( light instanceof THREE.DirectionalLight ) {
|
|
|
+
|
|
|
+ var lightPosition = _vector3.setFromMatrixPosition( light.matrixWorld ).normalize();
|
|
|
+
|
|
|
+ var amount = normal.dot( lightPosition );
|
|
|
+
|
|
|
+ if ( amount <= 0 ) continue;
|
|
|
+
|
|
|
+ amount *= light.intensity;
|
|
|
+
|
|
|
+ color.add( _lightColor.multiplyScalar( amount ) );
|
|
|
+
|
|
|
+ } else if ( light instanceof THREE.PointLight ) {
|
|
|
+
|
|
|
+ var lightPosition = _vector3.setFromMatrixPosition( light.matrixWorld );
|
|
|
+
|
|
|
+ var amount = normal.dot( _vector3.subVectors( lightPosition, position ).normalize() );
|
|
|
+
|
|
|
+ if ( amount <= 0 ) continue;
|
|
|
+
|
|
|
+ amount *= light.distance == 0 ? 1 : 1 - Math.min( position.distanceTo( lightPosition ) / light.distance, 1 );
|
|
|
+
|
|
|
+ if ( amount == 0 ) continue;
|
|
|
+
|
|
|
+ amount *= light.intensity;
|
|
|
+
|
|
|
+ color.add( _lightColor.multiplyScalar( amount ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function renderSprite( v1, element, material ) {
|
|
|
+
|
|
|
+ setOpacity( material.opacity );
|
|
|
+ setBlending( material.blending );
|
|
|
+
|
|
|
+ var scaleX = element.scale.x * _canvasWidthHalf;
|
|
|
+ var scaleY = element.scale.y * _canvasHeightHalf;
|
|
|
+
|
|
|
+ var dist = 0.5 * Math.sqrt( scaleX * scaleX + scaleY * scaleY ); // allow for rotated sprite
|
|
|
+ _elemBox.min.set( v1.x - dist, v1.y - dist );
|
|
|
+ _elemBox.max.set( v1.x + dist, v1.y + dist );
|
|
|
+
|
|
|
+ if ( material instanceof THREE.SpriteMaterial ) {
|
|
|
+
|
|
|
+ var texture = material.map;
|
|
|
+
|
|
|
+ if ( texture !== null ) {
|
|
|
+
|
|
|
+ var pattern = _patterns[ texture.id ];
|
|
|
+
|
|
|
+ if ( pattern === undefined || pattern.version !== texture.version ) {
|
|
|
+
|
|
|
+ pattern = textureToPattern( texture );
|
|
|
+ _patterns[ texture.id ] = pattern;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pattern.canvas !== undefined ) {
|
|
|
+
|
|
|
+ setFillStyle( pattern.canvas );
|
|
|
+
|
|
|
+ var bitmap = texture.image;
|
|
|
+
|
|
|
+ var ox = bitmap.width * texture.offset.x;
|
|
|
+ var oy = bitmap.height * texture.offset.y;
|
|
|
+
|
|
|
+ var sx = bitmap.width * texture.repeat.x;
|
|
|
+ var sy = bitmap.height * texture.repeat.y;
|
|
|
+
|
|
|
+ var cx = scaleX / sx;
|
|
|
+ var cy = scaleY / sy;
|
|
|
+
|
|
|
+ _context.save();
|
|
|
+ _context.translate( v1.x, v1.y );
|
|
|
+ if ( material.rotation !== 0 ) _context.rotate( material.rotation );
|
|
|
+ _context.translate( - scaleX / 2, - scaleY / 2 );
|
|
|
+ _context.scale( cx, cy );
|
|
|
+ _context.translate( - ox, - oy );
|
|
|
+ _context.fillRect( ox, oy, sx, sy );
|
|
|
+ _context.restore();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ // no texture
|
|
|
+
|
|
|
+ setFillStyle( material.color.getStyle() );
|
|
|
+
|
|
|
+ _context.save();
|
|
|
+ _context.translate( v1.x, v1.y );
|
|
|
+ if ( material.rotation !== 0 ) _context.rotate( material.rotation );
|
|
|
+ _context.scale( scaleX, - scaleY );
|
|
|
+ _context.fillRect( - 0.5, - 0.5, 1, 1 );
|
|
|
+ _context.restore();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else if ( material instanceof THREE.SpriteCanvasMaterial ) {
|
|
|
+
|
|
|
+ setStrokeStyle( material.color.getStyle() );
|
|
|
+ setFillStyle( material.color.getStyle() );
|
|
|
+
|
|
|
+ _context.save();
|
|
|
+ _context.translate( v1.x, v1.y );
|
|
|
+ if ( material.rotation !== 0 ) _context.rotate( material.rotation );
|
|
|
+ _context.scale( scaleX, scaleY );
|
|
|
+
|
|
|
+ material.program( _context );
|
|
|
+
|
|
|
+ _context.restore();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /* DEBUG
|
|
|
+ setStrokeStyle( 'rgb(255,255,0)' );
|
|
|
+ _context.beginPath();
|
|
|
+ _context.moveTo( v1.x - 10, v1.y );
|
|
|
+ _context.lineTo( v1.x + 10, v1.y );
|
|
|
+ _context.moveTo( v1.x, v1.y - 10 );
|
|
|
+ _context.lineTo( v1.x, v1.y + 10 );
|
|
|
+ _context.stroke();
|
|
|
+ */
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function renderLine( v1, v2, element, material ) {
|
|
|
+
|
|
|
+ setOpacity( material.opacity );
|
|
|
+ setBlending( material.blending );
|
|
|
+
|
|
|
+ _context.beginPath();
|
|
|
+ _context.moveTo( v1.positionScreen.x, v1.positionScreen.y );
|
|
|
+ _context.lineTo( v2.positionScreen.x, v2.positionScreen.y );
|
|
|
+
|
|
|
+ if ( material instanceof THREE.LineBasicMaterial ) {
|
|
|
+
|
|
|
+ setLineWidth( material.linewidth );
|
|
|
+ setLineCap( material.linecap );
|
|
|
+ setLineJoin( material.linejoin );
|
|
|
+
|
|
|
+ if ( material.vertexColors !== THREE.VertexColors ) {
|
|
|
+
|
|
|
+ setStrokeStyle( material.color.getStyle() );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ var colorStyle1 = element.vertexColors[ 0 ].getStyle();
|
|
|
+ var colorStyle2 = element.vertexColors[ 1 ].getStyle();
|
|
|
+
|
|
|
+ if ( colorStyle1 === colorStyle2 ) {
|
|
|
+
|
|
|
+ setStrokeStyle( colorStyle1 );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ try {
|
|
|
+
|
|
|
+ var grad = _context.createLinearGradient(
|
|
|
+ v1.positionScreen.x,
|
|
|
+ v1.positionScreen.y,
|
|
|
+ v2.positionScreen.x,
|
|
|
+ v2.positionScreen.y
|
|
|
+ );
|
|
|
+ grad.addColorStop( 0, colorStyle1 );
|
|
|
+ grad.addColorStop( 1, colorStyle2 );
|
|
|
+
|
|
|
+ } catch ( exception ) {
|
|
|
+
|
|
|
+ grad = colorStyle1;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ setStrokeStyle( grad );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ _context.stroke();
|
|
|
+ _elemBox.expandByScalar( material.linewidth * 2 );
|
|
|
+
|
|
|
+ } else if ( material instanceof THREE.LineDashedMaterial ) {
|
|
|
+
|
|
|
+ setLineWidth( material.linewidth );
|
|
|
+ setLineCap( material.linecap );
|
|
|
+ setLineJoin( material.linejoin );
|
|
|
+ setStrokeStyle( material.color.getStyle() );
|
|
|
+ setLineDash( [ material.dashSize, material.gapSize ] );
|
|
|
+
|
|
|
+ _context.stroke();
|
|
|
+
|
|
|
+ _elemBox.expandByScalar( material.linewidth * 2 );
|
|
|
+
|
|
|
+ setLineDash( [] );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function renderFace3( v1, v2, v3, uv1, uv2, uv3, element, material ) {
|
|
|
+
|
|
|
+ _this.info.render.vertices += 3;
|
|
|
+ _this.info.render.faces ++;
|
|
|
+
|
|
|
+ setOpacity( material.opacity );
|
|
|
+ setBlending( material.blending );
|
|
|
+
|
|
|
+ _v1x = v1.positionScreen.x; _v1y = v1.positionScreen.y;
|
|
|
+ _v2x = v2.positionScreen.x; _v2y = v2.positionScreen.y;
|
|
|
+ _v3x = v3.positionScreen.x; _v3y = v3.positionScreen.y;
|
|
|
+
|
|
|
+ drawTriangle( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y );
|
|
|
+
|
|
|
+ if ( ( material instanceof THREE.MeshLambertMaterial || material instanceof THREE.MeshPhongMaterial ) && material.map === null ) {
|
|
|
+
|
|
|
+ _diffuseColor.copy( material.color );
|
|
|
+ _emissiveColor.copy( material.emissive );
|
|
|
+
|
|
|
+ if ( material.vertexColors === THREE.FaceColors ) {
|
|
|
+
|
|
|
+ _diffuseColor.multiply( element.color );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ _color.copy( _ambientLight );
|
|
|
+
|
|
|
+ _centroid.copy( v1.positionWorld ).add( v2.positionWorld ).add( v3.positionWorld ).divideScalar( 3 );
|
|
|
+
|
|
|
+ calculateLight( _centroid, element.normalModel, _color );
|
|
|
+
|
|
|
+ _color.multiply( _diffuseColor ).add( _emissiveColor );
|
|
|
+
|
|
|
+ material.wireframe === true
|
|
|
+ ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
|
+ : fillPath( _color );
|
|
|
+
|
|
|
+ } else if ( material instanceof THREE.MeshBasicMaterial ||
|
|
|
+ material instanceof THREE.MeshLambertMaterial ||
|
|
|
+ material instanceof THREE.MeshPhongMaterial ) {
|
|
|
+
|
|
|
+ if ( material.map !== null ) {
|
|
|
+
|
|
|
+ var mapping = material.map.mapping;
|
|
|
+
|
|
|
+ if ( mapping === THREE.UVMapping ) {
|
|
|
+
|
|
|
+ _uvs = element.uvs;
|
|
|
+ patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uvs[ uv1 ].x, _uvs[ uv1 ].y, _uvs[ uv2 ].x, _uvs[ uv2 ].y, _uvs[ uv3 ].x, _uvs[ uv3 ].y, material.map );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else if ( material.envMap !== null ) {
|
|
|
+
|
|
|
+ if ( material.envMap.mapping === THREE.SphericalReflectionMapping ) {
|
|
|
+
|
|
|
+ _normal.copy( element.vertexNormalsModel[ uv1 ] ).applyMatrix3( _normalViewMatrix );
|
|
|
+ _uv1x = 0.5 * _normal.x + 0.5;
|
|
|
+ _uv1y = 0.5 * _normal.y + 0.5;
|
|
|
+
|
|
|
+ _normal.copy( element.vertexNormalsModel[ uv2 ] ).applyMatrix3( _normalViewMatrix );
|
|
|
+ _uv2x = 0.5 * _normal.x + 0.5;
|
|
|
+ _uv2y = 0.5 * _normal.y + 0.5;
|
|
|
+
|
|
|
+ _normal.copy( element.vertexNormalsModel[ uv3 ] ).applyMatrix3( _normalViewMatrix );
|
|
|
+ _uv3x = 0.5 * _normal.x + 0.5;
|
|
|
+ _uv3y = 0.5 * _normal.y + 0.5;
|
|
|
+
|
|
|
+ patternPath( _v1x, _v1y, _v2x, _v2y, _v3x, _v3y, _uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y, material.envMap );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ _color.copy( material.color );
|
|
|
+
|
|
|
+ if ( material.vertexColors === THREE.FaceColors ) {
|
|
|
+
|
|
|
+ _color.multiply( element.color );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material.wireframe === true
|
|
|
+ ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
|
+ : fillPath( _color );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else if ( material instanceof THREE.MeshNormalMaterial ) {
|
|
|
+
|
|
|
+ _normal.copy( element.normalModel ).applyMatrix3( _normalViewMatrix );
|
|
|
+
|
|
|
+ _color.setRGB( _normal.x, _normal.y, _normal.z ).multiplyScalar( 0.5 ).addScalar( 0.5 );
|
|
|
+
|
|
|
+ material.wireframe === true
|
|
|
+ ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
|
+ : fillPath( _color );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ _color.setRGB( 1, 1, 1 );
|
|
|
+
|
|
|
+ material.wireframe === true
|
|
|
+ ? strokePath( _color, material.wireframeLinewidth, material.wireframeLinecap, material.wireframeLinejoin )
|
|
|
+ : fillPath( _color );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ //
|
|
|
+
|
|
|
+ function drawTriangle( x0, y0, x1, y1, x2, y2 ) {
|
|
|
+
|
|
|
+ _context.beginPath();
|
|
|
+ _context.moveTo( x0, y0 );
|
|
|
+ _context.lineTo( x1, y1 );
|
|
|
+ _context.lineTo( x2, y2 );
|
|
|
+ _context.closePath();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function strokePath( color, linewidth, linecap, linejoin ) {
|
|
|
+
|
|
|
+ setLineWidth( linewidth );
|
|
|
+ setLineCap( linecap );
|
|
|
+ setLineJoin( linejoin );
|
|
|
+ setStrokeStyle( color.getStyle() );
|
|
|
+
|
|
|
+ _context.stroke();
|
|
|
+
|
|
|
+ _elemBox.expandByScalar( linewidth * 2 );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function fillPath( color ) {
|
|
|
+
|
|
|
+ setFillStyle( color.getStyle() );
|
|
|
+ _context.fill();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function textureToPattern( texture ) {
|
|
|
+
|
|
|
+ if ( texture.version === 0 ||
|
|
|
+ texture instanceof THREE.CompressedTexture ||
|
|
|
+ texture instanceof THREE.DataTexture ) {
|
|
|
+
|
|
|
+ return {
|
|
|
+ canvas: undefined,
|
|
|
+ version: texture.version
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var image = texture.image;
|
|
|
+
|
|
|
+ if ( image.complete === false ) {
|
|
|
+
|
|
|
+ return {
|
|
|
+ canvas: undefined,
|
|
|
+ version: 0
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var canvas = document.createElement( 'canvas' );
|
|
|
+ canvas.width = image.width;
|
|
|
+ canvas.height = image.height;
|
|
|
+
|
|
|
+ var context = canvas.getContext( '2d' );
|
|
|
+ context.setTransform( 1, 0, 0, - 1, 0, image.height );
|
|
|
+ context.drawImage( image, 0, 0 );
|
|
|
+
|
|
|
+ var repeatX = texture.wrapS === THREE.RepeatWrapping;
|
|
|
+ var repeatY = texture.wrapT === THREE.RepeatWrapping;
|
|
|
+
|
|
|
+ var repeat = 'no-repeat';
|
|
|
+
|
|
|
+ if ( repeatX === true && repeatY === true ) {
|
|
|
+
|
|
|
+ repeat = 'repeat';
|
|
|
+
|
|
|
+ } else if ( repeatX === true ) {
|
|
|
+
|
|
|
+ repeat = 'repeat-x';
|
|
|
+
|
|
|
+ } else if ( repeatY === true ) {
|
|
|
+
|
|
|
+ repeat = 'repeat-y';
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pattern = _context.createPattern( canvas, repeat );
|
|
|
+
|
|
|
+ if ( texture.onUpdate ) texture.onUpdate( texture );
|
|
|
+
|
|
|
+ return {
|
|
|
+ canvas: pattern,
|
|
|
+ version: texture.version
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function patternPath( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, texture ) {
|
|
|
+
|
|
|
+ var pattern = _patterns[ texture.id ];
|
|
|
+
|
|
|
+ if ( pattern === undefined || pattern.version !== texture.version ) {
|
|
|
+
|
|
|
+ pattern = textureToPattern( texture );
|
|
|
+ _patterns[ texture.id ] = pattern;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pattern.canvas !== undefined ) {
|
|
|
+
|
|
|
+ setFillStyle( pattern.canvas );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ setFillStyle( 'rgba( 0, 0, 0, 1)' );
|
|
|
+ _context.fill();
|
|
|
+ return;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
|
|
|
+
|
|
|
+ var a, b, c, d, e, f, det, idet,
|
|
|
+ offsetX = texture.offset.x / texture.repeat.x,
|
|
|
+ offsetY = texture.offset.y / texture.repeat.y,
|
|
|
+ width = texture.image.width * texture.repeat.x,
|
|
|
+ height = texture.image.height * texture.repeat.y;
|
|
|
+
|
|
|
+ u0 = ( u0 + offsetX ) * width;
|
|
|
+ v0 = ( v0 + offsetY ) * height;
|
|
|
+
|
|
|
+ u1 = ( u1 + offsetX ) * width;
|
|
|
+ v1 = ( v1 + offsetY ) * height;
|
|
|
+
|
|
|
+ u2 = ( u2 + offsetX ) * width;
|
|
|
+ v2 = ( v2 + offsetY ) * height;
|
|
|
+
|
|
|
+ x1 -= x0; y1 -= y0;
|
|
|
+ x2 -= x0; y2 -= y0;
|
|
|
+
|
|
|
+ u1 -= u0; v1 -= v0;
|
|
|
+ u2 -= u0; v2 -= v0;
|
|
|
+
|
|
|
+ det = u1 * v2 - u2 * v1;
|
|
|
+
|
|
|
+ if ( det === 0 ) return;
|
|
|
+
|
|
|
+ idet = 1 / det;
|
|
|
+
|
|
|
+ a = ( v2 * x1 - v1 * x2 ) * idet;
|
|
|
+ b = ( v2 * y1 - v1 * y2 ) * idet;
|
|
|
+ c = ( u1 * x2 - u2 * x1 ) * idet;
|
|
|
+ d = ( u1 * y2 - u2 * y1 ) * idet;
|
|
|
+
|
|
|
+ e = x0 - a * u0 - c * v0;
|
|
|
+ f = y0 - b * u0 - d * v0;
|
|
|
+
|
|
|
+ _context.save();
|
|
|
+ _context.transform( a, b, c, d, e, f );
|
|
|
+ _context.fill();
|
|
|
+ _context.restore();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function clipImage( x0, y0, x1, y1, x2, y2, u0, v0, u1, v1, u2, v2, image ) {
|
|
|
+
|
|
|
+ // http://extremelysatisfactorytotalitarianism.com/blog/?p=2120
|
|
|
+
|
|
|
+ var a, b, c, d, e, f, det, idet,
|
|
|
+ width = image.width - 1,
|
|
|
+ height = image.height - 1;
|
|
|
+
|
|
|
+ u0 *= width; v0 *= height;
|
|
|
+ u1 *= width; v1 *= height;
|
|
|
+ u2 *= width; v2 *= height;
|
|
|
+
|
|
|
+ x1 -= x0; y1 -= y0;
|
|
|
+ x2 -= x0; y2 -= y0;
|
|
|
+
|
|
|
+ u1 -= u0; v1 -= v0;
|
|
|
+ u2 -= u0; v2 -= v0;
|
|
|
+
|
|
|
+ det = u1 * v2 - u2 * v1;
|
|
|
+
|
|
|
+ idet = 1 / det;
|
|
|
+
|
|
|
+ a = ( v2 * x1 - v1 * x2 ) * idet;
|
|
|
+ b = ( v2 * y1 - v1 * y2 ) * idet;
|
|
|
+ c = ( u1 * x2 - u2 * x1 ) * idet;
|
|
|
+ d = ( u1 * y2 - u2 * y1 ) * idet;
|
|
|
+
|
|
|
+ e = x0 - a * u0 - c * v0;
|
|
|
+ f = y0 - b * u0 - d * v0;
|
|
|
+
|
|
|
+ _context.save();
|
|
|
+ _context.transform( a, b, c, d, e, f );
|
|
|
+ _context.clip();
|
|
|
+ _context.drawImage( image, 0, 0 );
|
|
|
+ _context.restore();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Hide anti-alias gaps
|
|
|
+
|
|
|
+ function expand( v1, v2, pixels ) {
|
|
|
+
|
|
|
+ var x = v2.x - v1.x, y = v2.y - v1.y,
|
|
|
+ det = x * x + y * y, idet;
|
|
|
+
|
|
|
+ if ( det === 0 ) return;
|
|
|
+
|
|
|
+ idet = pixels / Math.sqrt( det );
|
|
|
+
|
|
|
+ x *= idet; y *= idet;
|
|
|
+
|
|
|
+ v2.x += x; v2.y += y;
|
|
|
+ v1.x -= x; v1.y -= y;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ // Context cached methods.
|
|
|
+
|
|
|
+ function setOpacity( value ) {
|
|
|
+
|
|
|
+ if ( _contextGlobalAlpha !== value ) {
|
|
|
+
|
|
|
+ _context.globalAlpha = value;
|
|
|
+ _contextGlobalAlpha = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setBlending( value ) {
|
|
|
+
|
|
|
+ if ( _contextGlobalCompositeOperation !== value ) {
|
|
|
+
|
|
|
+ if ( value === THREE.NormalBlending ) {
|
|
|
+
|
|
|
+ _context.globalCompositeOperation = 'source-over';
|
|
|
+
|
|
|
+ } else if ( value === THREE.AdditiveBlending ) {
|
|
|
+
|
|
|
+ _context.globalCompositeOperation = 'lighter';
|
|
|
+
|
|
|
+ } else if ( value === THREE.SubtractiveBlending ) {
|
|
|
+
|
|
|
+ _context.globalCompositeOperation = 'darker';
|
|
|
+
|
|
|
+ } else if ( value === THREE.MultiplyBlending ) {
|
|
|
+
|
|
|
+ _context.globalCompositeOperation = 'multiply';
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ _contextGlobalCompositeOperation = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setLineWidth( value ) {
|
|
|
+
|
|
|
+ if ( _contextLineWidth !== value ) {
|
|
|
+
|
|
|
+ _context.lineWidth = value;
|
|
|
+ _contextLineWidth = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setLineCap( value ) {
|
|
|
+
|
|
|
+ // "butt", "round", "square"
|
|
|
+
|
|
|
+ if ( _contextLineCap !== value ) {
|
|
|
+
|
|
|
+ _context.lineCap = value;
|
|
|
+ _contextLineCap = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setLineJoin( value ) {
|
|
|
+
|
|
|
+ // "round", "bevel", "miter"
|
|
|
+
|
|
|
+ if ( _contextLineJoin !== value ) {
|
|
|
+
|
|
|
+ _context.lineJoin = value;
|
|
|
+ _contextLineJoin = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setStrokeStyle( value ) {
|
|
|
+
|
|
|
+ if ( _contextStrokeStyle !== value ) {
|
|
|
+
|
|
|
+ _context.strokeStyle = value;
|
|
|
+ _contextStrokeStyle = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setFillStyle( value ) {
|
|
|
+
|
|
|
+ if ( _contextFillStyle !== value ) {
|
|
|
+
|
|
|
+ _context.fillStyle = value;
|
|
|
+ _contextFillStyle = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function setLineDash( value ) {
|
|
|
+
|
|
|
+ if ( _contextLineDash.length !== value.length ) {
|
|
|
+
|
|
|
+ _context.setLineDash( value );
|
|
|
+ _contextLineDash = value;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+};
|
dotos