<div id="home_wave">
</div>html, body {
margin: 0;
padding: 0;
width: 100%;
height: 100%;
overflow: hidden;
background:red;
background-image: -webkit-gradient(linear, left top, right top, from(red), to(#f06d06));
}/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.SpriteCanvasMaterial = function ( parameters ) {
THREE.Material.call( this );
this.type = 'SpriteCanvasMaterial';
this.color = new THREE.Color( 0xffffff );
this.program = function () {};
this.setValues( parameters );
};
THREE.SpriteCanvasMaterial.prototype = Object.create( THREE.Material.prototype );
THREE.SpriteCanvasMaterial.prototype.constructor = THREE.SpriteCanvasMaterial;
THREE.SpriteCanvasMaterial.prototype.isSpriteCanvasMaterial = true;
THREE.SpriteCanvasMaterial.prototype.clone = function () {
var material = new THREE.SpriteCanvasMaterial();
material.copy( this );
material.color.copy( this.color );
material.program = this.program;
return material;
};
//
THREE.CanvasRenderer = function ( parameters ) {
console.log( 'THREE.CanvasRenderer', THREE.REVISION );
parameters = parameters || {};
var _this = this,
_renderData, _elements, _lights,
_projector = new THREE.Projector(),
_canvas = parameters.canvas !== undefined
? parameters.canvas
: document.createElement( 'canvas' ),
_canvasWidth = _canvas.width,
_canvasHeight = _canvas.height,
_canvasWidthHalf = Math.floor( _canvasWidth / 2 ),
_canvasHeightHalf = Math.floor( _canvasHeight / 2 ),
_viewportX = 0,
_viewportY = 0,
_viewportWidth = _canvasWidth,
_viewportHeight = _canvasHeight,
_pixelRatio = 1,
_context = _canvas.getContext( '2d', {
alpha: parameters.alpha === true
} ),
_clearColor = new THREE.Color( 0xff0000 ),
_clearAlpha = 1,
_contextGlobalAlpha = 1,
_contextGlobalCompositeOperation = 0,
_contextStrokeStyle = null,
_contextFillStyle = null,
_contextLineWidth = null,
_contextLineCap = null,
_contextLineJoin = null,
_contextLineDash = [],
_v1, _v2, _v3,
_v1x, _v1y, _v2x, _v2y, _v3x, _v3y,
_color = new THREE.Color(),
_diffuseColor = new THREE.Color(),
_emissiveColor = new THREE.Color(),
_lightColor = new THREE.Color(),
_patterns = {},
_uvs,
_uv1x, _uv1y, _uv2x, _uv2y, _uv3x, _uv3y,
_clipBox = new THREE.Box2(),
_clearBox = new THREE.Box2(),
_elemBox = new THREE.Box2(),
_ambientLight = new THREE.Color(),
_directionalLights = new THREE.Color(),
_pointLights = new THREE.Color(),
_vector3 = new THREE.Vector3(), // Needed for PointLight
_centroid = new THREE.Vector3(),
_normal = new THREE.Vector3(),
_normalViewMatrix = new THREE.Matrix3();
/* TODO
_canvas.mozImageSmoothingEnabled = false;
_canvas.webkitImageSmoothingEnabled = false;
_canvas.msImageSmoothingEnabled = false;
_canvas.imageSmoothingEnabled = false;
*/
// dash+gap fallbacks for Firefox and everything else
if ( _context.setLineDash === undefined ) {
_context.setLineDash = function () {};
}
this.domElement = _canvas;
this.autoClear = true;
this.sortObjects = true;
this.sortElements = true;
this.info = {
render: {
vertices: 0,
faces: 0
}
};
// WebGLRenderer compatibility
this.supportsVertexTextures = function () {};
this.setFaceCulling = function () {};
// API
this.getContext = function () {
return _context;
};
this.getContextAttributes = function () {
return _context.getContextAttributes();
};
this.getPixelRatio = function () {
return _pixelRatio;
};
this.setPixelRatio = function ( value ) {
if ( value !== undefined ) _pixelRatio = value;
};
this.setSize = function ( width, height, updateStyle ) {
_canvasWidth = width * _pixelRatio;
_canvasHeight = height * _pixelRatio;
_canvas.width = _canvasWidth;
_canvas.height = _canvasHeight;
_canvasWidthHalf = Math.floor( _canvasWidth / 2 );
_canvasHeightHalf = Math.floor( _canvasHeight / 2 );
if ( updateStyle !== false ) {
_canvas.style.width = width + 'px';
_canvas.style.height = height + 'px';
}
_clipBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
_clipBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
_clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
_clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
_contextGlobalAlpha = 1;
_contextGlobalCompositeOperation = 0;
_contextStrokeStyle = null;
_contextFillStyle = null;
_contextLineWidth = null;
_contextLineCap = null;
_contextLineJoin = null;
this.setViewport( 0, 0, width, height );
};
this.setViewport = function ( x, y, width, height ) {
_viewportX = x * _pixelRatio;
_viewportY = y * _pixelRatio;
_viewportWidth = width * _pixelRatio;
_viewportHeight = height * _pixelRatio;
};
this.setScissor = function () {};
this.setScissorTest = function () {};
this.setClearColor = function ( color, alpha ) {
_clearColor.set( color );
_clearAlpha = alpha !== undefined ? alpha : 1;
_clearBox.min.set( - _canvasWidthHalf, - _canvasHeightHalf );
_clearBox.max.set( _canvasWidthHalf, _canvasHeightHalf );
};
this.setClearColorHex = function ( hex, alpha ) {
console.warn( 'THREE.CanvasRenderer: .setClearColorHex() is being removed. Use .setClearColor() instead.' );
this.setClearColor( hex, alpha );
};
this.getClearColor = function () {
return _clearColor;
};
this.getClearAlpha = function () {
return _clearAlpha;
};
this.getMaxAnisotropy = function () {
return 0;
};
this.clear = function () {
if ( _clearBox.isEmpty() === false ) {
_clearBox.intersect( _clipBox );
_clearBox.expandByScalar( 2 );
_clearBox.min.x = _clearBox.min.x + _canvasWidthHalf;
_clearBox.min.y = - _clearBox.min.y + _canvasHeightHalf; // higher y value !
_clearBox.max.x = _clearBox.max.x + _canvasWidthHalf;
_clearBox.max.y = - _clearBox.max.y + _canvasHeightHalf; // lower y value !
if ( _clearAlpha < 1 ) {
_context.clearRect(
_clearBox.min.x | 0,
_clearBox.max.y | 0,
( _clearBox.max.x - _clearBox.min.x ) | 0,
( _clearBox.min.y - _clearBox.max.y ) | 0
);
}
if ( _clearAlpha > 0 ) {
setBlending( THREE.NormalBlending );
setOpacity( 1 );
setFillStyle( 'rgba(' + Math.floor( _clearColor.r * 255 ) + ',' + Math.floor( _clearColor.g * 255 ) + ',' + Math.floor( _clearColor.b * 255 ) + ',' + _clearAlpha + ')' );
_context.fillRect(
_clearBox.min.x | 0,
_clearBox.max.y | 0,
( _clearBox.max.x - _clearBox.min.x ) | 0,
( _clearBox.min.y - _clearBox.max.y ) | 0
);
}
_clearBox.makeEmpty();
}
};
// compatibility
this.clearColor = function () {};
this.clearDepth = function () {};
this.clearStencil = function () {};
this.render = function ( scene, camera ) {
if ( camera.isCamera === undefined ) {
console.error( 'THREE.CanvasRenderer.render: camera is not an instance of THREE.Camera.' );
return;
}
var background = scene.background;
//scene.background = new THREE.Color( 0xff0000 );
if ( background && background.isColor ) {
setFillStyle( 'rgb(0,0,0)' );
_context.fillRect( 0, 0, _canvasWidth, _canvasHeight );
} else if ( this.autoClear === true ) {
this.clear();
}
_this.info.render.vertices = 0;
_this.info.render.faces = 0;
_context.setTransform( _viewportWidth / _canvasWidth, 0, 0, - _viewportHeight / _canvasHeight, _viewportX, _canvasHeight - _viewportY );
_context.translate( _canvasWidthHalf, _canvasHeightHalf );
_renderData = _projector.projectScene( scene, camera, this.sortObjects, this.sortElements );
_elements = _renderData.elements;
_lights = _renderData.lights;
_normalViewMatrix.getNormalMatrix( camera.matrixWorldInverse );
/* DEBUG
setFillStyle( 'rgba( 0, 255, 255, 0.5 )' );
_context.fillRect( _clipBox.min.x, _clipBox.min.y, _clipBox.max.x - _clipBox.min.x, _clipBox.max.y - _clipBox.min.y );
*/
calculateLights();
for ( var e = 0, el = _elements.length; e < el; e ++ ) {
var element = _elements[ e ];
var material = element.material;
if ( material === undefined || material.opacity === 0 ) continue;
_elemBox.makeEmpty();
if ( element instanceof THREE.RenderableSprite ) {
_v1 = element;
_v1.x *= _canvasWidthHalf; _v1.y *= _canvasHeightHalf;
renderSprite( _v1, element, material );
} else if ( element instanceof THREE.RenderableLine ) {
_v1 = element.v1; _v2 = element.v2;
_v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
_v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
_elemBox.setFromPoints( [
_v1.positionScreen,
_v2.positionScreen
] );
if ( _clipBox.intersectsBox( _elemBox ) === true ) {
renderLine( _v1, _v2, element, material );
}
} else if ( element instanceof THREE.RenderableFace ) {
_v1 = element.v1; _v2 = element.v2; _v3 = element.v3;
if ( _v1.positionScreen.z < - 1 || _v1.positionScreen.z > 1 ) continue;
if ( _v2.positionScreen.z < - 1 || _v2.positionScreen.z > 1 ) continue;
if ( _v3.positionScreen.z < - 1 || _v3.positionScreen.z > 1 ) continue;
_v1.positionScreen.x *= _canvasWidthHalf; _v1.positionScreen.y *= _canvasHeightHalf;
_v2.positionScreen.x *= _canvasWidthHalf; _v2.positionScreen.y *= _canvasHeightHalf;
_v3.positionScreen.x *= _canvasWidthHalf; _v3.positionScreen.y *= _canvasHeightHalf;
if ( material.overdraw > 0 ) {
expand( _v1.positionScreen, _v2.positionScreen, material.overdraw );
expand( _v2.positionScreen, _v3.positionScreen, material.overdraw );
expand( _v3.positionScreen, _v1.positionScreen, material.overdraw );
}
_elemBox.setFromPoints( [
_v1.positionScreen,
_v2.positionScreen,
_v3.positionScreen
] );
if ( _clipBox.intersectsBox( _elemBox ) === true ) {
renderFace3( _v1, _v2, _v3, 0, 1, 2, element, material );
}
}
/* DEBUG
setLineWidth( 1 );
setStrokeStyle( 'rgba( 0, 255, 0, 0.5 )' );
_context.strokeRect( _elemBox.min.x, _elemBox.min.y, _elemBox.max.x - _elemBox.min.x, _elemBox.max.y - _elemBox.min.y );
*/
_clearBox.union( _elemBox );
}
/* DEBUG
setLineWidth( 1 );
setStrokeStyle( 'rgba( 255, 0, 0, 0.5 )' );
_context.strokeRect( _clearBox.min.x, _clearBox.min.y, _clearBox.max.x - _clearBox.min.x, _clearBox.max.y - _clearBox.min.y );
*/
_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.isAmbientLight ) {
_ambientLight.add( lightColor );
} else if ( light.isDirectionalLight ) {
// for sprites
_directionalLights.add( lightColor );
} else if ( light.isPointLight ) {
// 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.isDirectionalLight ) {
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.isPointLight ) {
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 = 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.isSpriteMaterial ) {
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.isSpriteCanvasMaterial ) {
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();
} else if ( material.isPointsMaterial ) {
setFillStyle( material.color.getStyle() );
_context.save();
_context.translate( v1.x, v1.y );
if ( material.rotation !== 0 ) _context.rotate( material.rotation );
_context.scale( scaleX * material.size, - scaleY * material.size );
_context.fillRect( - 0.5, - 0.5, 1, 1 );
_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.isLineBasicMaterial ) {
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.isLineDashedMaterial ) {
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.isMeshLambertMaterial || material.isMeshPhongMaterial || material.isMeshStandardMaterial ) && 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.isMeshBasicMaterial || material.isMeshLambertMaterial || material.isMeshPhongMaterial || material.isMeshStandardMaterial ) {
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.isMeshNormalMaterial ) {
_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 repeatX = texture.wrapS === THREE.RepeatWrapping || texture.wrapS === THREE.MirroredRepeatWrapping;
var repeatY = texture.wrapT === THREE.RepeatWrapping || texture.wrapT === THREE.MirroredRepeatWrapping;
var mirrorX = texture.wrapS === THREE.MirroredRepeatWrapping;
var mirrorY = texture.wrapT === THREE.MirroredRepeatWrapping;
//
var canvas = document.createElement( 'canvas' );
canvas.width = image.width * ( mirrorX ? 2 : 1 );
canvas.height = image.height * ( mirrorY ? 2 : 1 );
var context = canvas.getContext( '2d' );
context.setTransform( 1, 0, 0, - 1, 0, image.height );
context.drawImage( image, 0, 0 );
if ( mirrorX === true ) {
context.setTransform( - 1, 0, 0, - 1, image.width, image.height );
context.drawImage( image, - image.width, 0 );
}
if ( mirrorY === true ) {
context.setTransform( 1, 0, 0, 1, 0, 0 );
context.drawImage( image, 0, image.height );
}
if ( mirrorX === true && mirrorY === true ) {
context.setTransform( - 1, 0, 0, 1, image.width, 0 );
context.drawImage( image, - image.width, image.height );
}
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;
}
}
};
/**
* @author mrdoob / http://mrdoob.com/
* @author supereggbert / http://www.paulbrunt.co.uk/
* @author julianwa / https://github.com/julianwa
*/
THREE.RenderableObject = function () {
this.id = 0;
this.object = null;
this.z = 0;
this.renderOrder = 0;
};
//
THREE.RenderableFace = function () {
this.id = 0;
this.v1 = new THREE.RenderableVertex();
this.v2 = new THREE.RenderableVertex();
this.v3 = new THREE.RenderableVertex();
this.normalModel = new THREE.Vector3();
this.vertexNormalsModel = [ new THREE.Vector3(), new THREE.Vector3(), new THREE.Vector3() ];
this.vertexNormalsLength = 0;
this.color = new THREE.Color();
this.material = null;
this.uvs = [ new THREE.Vector2(), new THREE.Vector2(), new THREE.Vector2() ];
this.z = 0;
this.renderOrder = 0;
};
//
THREE.RenderableVertex = function () {
this.position = new THREE.Vector3();
this.positionWorld = new THREE.Vector3();
this.positionScreen = new THREE.Vector4();
this.visible = true;
};
THREE.RenderableVertex.prototype.copy = function ( vertex ) {
this.positionWorld.copy( vertex.positionWorld );
this.positionScreen.copy( vertex.positionScreen );
};
//
THREE.RenderableLine = function () {
this.id = 0;
this.v1 = new THREE.RenderableVertex();
this.v2 = new THREE.RenderableVertex();
this.vertexColors = [ new THREE.Color(), new THREE.Color() ];
this.material = null;
this.z = 0;
this.renderOrder = 0;
};
//
THREE.RenderableSprite = function () {
this.id = 0;
this.object = null;
this.x = 0;
this.y = 0;
this.z = 0;
this.rotation = 0;
this.scale = new THREE.Vector2();
this.material = null;
this.renderOrder = 0;
};
//
THREE.Projector = function () {
var _object, _objectCount, _objectPool = [], _objectPoolLength = 0,
_vertex, _vertexCount, _vertexPool = [], _vertexPoolLength = 0,
_face, _faceCount, _facePool = [], _facePoolLength = 0,
_line, _lineCount, _linePool = [], _linePoolLength = 0,
_sprite, _spriteCount, _spritePool = [], _spritePoolLength = 0,
_renderData = { objects: [], lights: [], elements: [] },
_vector3 = new THREE.Vector3(),
_vector4 = new THREE.Vector4(),
_clipBox = new THREE.Box3( new THREE.Vector3( - 1, - 1, - 1 ), new THREE.Vector3( 1, 1, 1 ) ),
_boundingBox = new THREE.Box3(),
_points3 = new Array( 3 ),
_viewMatrix = new THREE.Matrix4(),
_viewProjectionMatrix = new THREE.Matrix4(),
_modelMatrix,
_modelViewProjectionMatrix = new THREE.Matrix4(),
_normalMatrix = new THREE.Matrix3(),
_frustum = new THREE.Frustum(),
_clippedVertex1PositionScreen = new THREE.Vector4(),
_clippedVertex2PositionScreen = new THREE.Vector4();
//
this.projectVector = function ( vector, camera ) {
console.warn( 'THREE.Projector: .projectVector() is now vector.project().' );
vector.project( camera );
};
this.unprojectVector = function ( vector, camera ) {
console.warn( 'THREE.Projector: .unprojectVector() is now vector.unproject().' );
vector.unproject( camera );
};
this.pickingRay = function () {
console.error( 'THREE.Projector: .pickingRay() is now raycaster.setFromCamera().' );
};
//
var RenderList = function () {
var normals = [];
var colors = [];
var uvs = [];
var object = null;
var material = null;
var normalMatrix = new THREE.Matrix3();
function setObject( value ) {
object = value;
material = object.material;
normalMatrix.getNormalMatrix( object.matrixWorld );
normals.length = 0;
colors.length = 0;
uvs.length = 0;
}
function projectVertex( vertex ) {
var position = vertex.position;
var positionWorld = vertex.positionWorld;
var positionScreen = vertex.positionScreen;
positionWorld.copy( position ).applyMatrix4( _modelMatrix );
positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
var invW = 1 / positionScreen.w;
positionScreen.x *= invW;
positionScreen.y *= invW;
positionScreen.z *= invW;
vertex.visible = positionScreen.x >= - 1 && positionScreen.x <= 1 &&
positionScreen.y >= - 1 && positionScreen.y <= 1 &&
positionScreen.z >= - 1 && positionScreen.z <= 1;
}
function pushVertex( x, y, z ) {
_vertex = getNextVertexInPool();
_vertex.position.set( x, y, z );
projectVertex( _vertex );
}
function pushNormal( x, y, z ) {
normals.push( x, y, z );
}
function pushColor( r, g, b ) {
colors.push( r, g, b );
}
function pushUv( x, y ) {
uvs.push( x, y );
}
function checkTriangleVisibility( v1, v2, v3 ) {
if ( v1.visible === true || v2.visible === true || v3.visible === true ) return true;
_points3[ 0 ] = v1.positionScreen;
_points3[ 1 ] = v2.positionScreen;
_points3[ 2 ] = v3.positionScreen;
return _clipBox.intersectsBox( _boundingBox.setFromPoints( _points3 ) );
}
function checkBackfaceCulling( v1, v2, v3 ) {
return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
( v2.positionScreen.y - v1.positionScreen.y ) -
( v3.positionScreen.y - v1.positionScreen.y ) *
( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
}
function pushLine( a, b ) {
var v1 = _vertexPool[ a ];
var v2 = _vertexPool[ b ];
// Clip
v1.positionScreen.copy( v1.position ).applyMatrix4( _modelViewProjectionMatrix );
v2.positionScreen.copy( v2.position ).applyMatrix4( _modelViewProjectionMatrix );
if ( clipLine( v1.positionScreen, v2.positionScreen ) === true ) {
// Perform the perspective divide
v1.positionScreen.multiplyScalar( 1 / v1.positionScreen.w );
v2.positionScreen.multiplyScalar( 1 / v2.positionScreen.w );
_line = getNextLineInPool();
_line.id = object.id;
_line.v1.copy( v1 );
_line.v2.copy( v2 );
_line.z = Math.max( v1.positionScreen.z, v2.positionScreen.z );
_line.renderOrder = object.renderOrder;
_line.material = object.material;
if ( object.material.vertexColors === THREE.VertexColors ) {
_line.vertexColors[ 0 ].fromArray( colors, a * 3 );
_line.vertexColors[ 1 ].fromArray( colors, b * 3 );
}
_renderData.elements.push( _line );
}
}
function pushTriangle( a, b, c ) {
var v1 = _vertexPool[ a ];
var v2 = _vertexPool[ b ];
var v3 = _vertexPool[ c ];
if ( checkTriangleVisibility( v1, v2, v3 ) === false ) return;
if ( material.side === THREE.DoubleSide || checkBackfaceCulling( v1, v2, v3 ) === true ) {
_face = getNextFaceInPool();
_face.id = object.id;
_face.v1.copy( v1 );
_face.v2.copy( v2 );
_face.v3.copy( v3 );
_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
_face.renderOrder = object.renderOrder;
// use first vertex normal as face normal
_face.normalModel.fromArray( normals, a * 3 );
_face.normalModel.applyMatrix3( normalMatrix ).normalize();
for ( var i = 0; i < 3; i ++ ) {
var normal = _face.vertexNormalsModel[ i ];
normal.fromArray( normals, arguments[ i ] * 3 );
normal.applyMatrix3( normalMatrix ).normalize();
var uv = _face.uvs[ i ];
uv.fromArray( uvs, arguments[ i ] * 2 );
}
_face.vertexNormalsLength = 3;
_face.material = object.material;
_renderData.elements.push( _face );
}
}
return {
setObject: setObject,
projectVertex: projectVertex,
checkTriangleVisibility: checkTriangleVisibility,
checkBackfaceCulling: checkBackfaceCulling,
pushVertex: pushVertex,
pushNormal: pushNormal,
pushColor: pushColor,
pushUv: pushUv,
pushLine: pushLine,
pushTriangle: pushTriangle
};
};
var renderList = new RenderList();
function projectObject( object ) {
if ( object.visible === false ) return;
if ( object instanceof THREE.Light ) {
_renderData.lights.push( object );
} else if ( object instanceof THREE.Mesh || object instanceof THREE.Line || object instanceof THREE.Points ) {
if ( object.material.visible === false ) return;
if ( object.frustumCulled === true && _frustum.intersectsObject( object ) === false ) return;
addObject( object );
} else if ( object instanceof THREE.Sprite ) {
if ( object.material.visible === false ) return;
if ( object.frustumCulled === true && _frustum.intersectsSprite( object ) === false ) return;
addObject( object );
}
var children = object.children;
for ( var i = 0, l = children.length; i < l; i ++ ) {
projectObject( children[ i ] );
}
}
function addObject( object ) {
_object = getNextObjectInPool();
_object.id = object.id;
_object.object = object;
_vector3.setFromMatrixPosition( object.matrixWorld );
_vector3.applyMatrix4( _viewProjectionMatrix );
_object.z = _vector3.z;
_object.renderOrder = object.renderOrder;
_renderData.objects.push( _object );
}
this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
_faceCount = 0;
_lineCount = 0;
_spriteCount = 0;
_renderData.elements.length = 0;
if ( scene.autoUpdate === true ) scene.updateMatrixWorld();
if ( camera.parent === null ) camera.updateMatrixWorld();
_viewMatrix.copy( camera.matrixWorldInverse );
_viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, _viewMatrix );
_frustum.setFromMatrix( _viewProjectionMatrix );
//
_objectCount = 0;
_renderData.objects.length = 0;
_renderData.lights.length = 0;
projectObject( scene );
if ( sortObjects === true ) {
_renderData.objects.sort( painterSort );
}
//
var objects = _renderData.objects;
for ( var o = 0, ol = objects.length; o < ol; o ++ ) {
var object = objects[ o ].object;
var geometry = object.geometry;
renderList.setObject( object );
_modelMatrix = object.matrixWorld;
_vertexCount = 0;
if ( object instanceof THREE.Mesh ) {
if ( geometry instanceof THREE.BufferGeometry ) {
var attributes = geometry.attributes;
var groups = geometry.groups;
if ( attributes.position === undefined ) continue;
var positions = attributes.position.array;
for ( var i = 0, l = positions.length; i < l; i += 3 ) {
renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
}
if ( attributes.normal !== undefined ) {
var normals = attributes.normal.array;
for ( var i = 0, l = normals.length; i < l; i += 3 ) {
renderList.pushNormal( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] );
}
}
if ( attributes.uv !== undefined ) {
var uvs = attributes.uv.array;
for ( var i = 0, l = uvs.length; i < l; i += 2 ) {
renderList.pushUv( uvs[ i ], uvs[ i + 1 ] );
}
}
if ( geometry.index !== null ) {
var indices = geometry.index.array;
if ( groups.length > 0 ) {
for ( var g = 0; g < groups.length; g ++ ) {
var group = groups[ g ];
for ( var i = group.start, l = group.start + group.count; i < l; i += 3 ) {
renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
}
}
} else {
for ( var i = 0, l = indices.length; i < l; i += 3 ) {
renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ] );
}
}
} else {
for ( var i = 0, l = positions.length / 3; i < l; i += 3 ) {
renderList.pushTriangle( i, i + 1, i + 2 );
}
}
} else if ( geometry instanceof THREE.Geometry ) {
var vertices = geometry.vertices;
var faces = geometry.faces;
var faceVertexUvs = geometry.faceVertexUvs[ 0 ];
_normalMatrix.getNormalMatrix( _modelMatrix );
var material = object.material;
var isMultiMaterial = Array.isArray( material );
for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
var vertex = vertices[ v ];
_vector3.copy( vertex );
if ( material.morphTargets === true ) {
var morphTargets = geometry.morphTargets;
var morphInfluences = object.morphTargetInfluences;
for ( var t = 0, tl = morphTargets.length; t < tl; t ++ ) {
var influence = morphInfluences[ t ];
if ( influence === 0 ) continue;
var target = morphTargets[ t ];
var targetVertex = target.vertices[ v ];
_vector3.x += ( targetVertex.x - vertex.x ) * influence;
_vector3.y += ( targetVertex.y - vertex.y ) * influence;
_vector3.z += ( targetVertex.z - vertex.z ) * influence;
}
}
renderList.pushVertex( _vector3.x, _vector3.y, _vector3.z );
}
for ( var f = 0, fl = faces.length; f < fl; f ++ ) {
var face = faces[ f ];
material = isMultiMaterial === true
? object.material[ face.materialIndex ]
: object.material;
if ( material === undefined ) continue;
var side = material.side;
var v1 = _vertexPool[ face.a ];
var v2 = _vertexPool[ face.b ];
var v3 = _vertexPool[ face.c ];
if ( renderList.checkTriangleVisibility( v1, v2, v3 ) === false ) continue;
var visible = renderList.checkBackfaceCulling( v1, v2, v3 );
if ( side !== THREE.DoubleSide ) {
if ( side === THREE.FrontSide && visible === false ) continue;
if ( side === THREE.BackSide && visible === true ) continue;
}
_face = getNextFaceInPool();
_face.id = object.id;
_face.v1.copy( v1 );
_face.v2.copy( v2 );
_face.v3.copy( v3 );
_face.normalModel.copy( face.normal );
if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
_face.normalModel.negate();
}
_face.normalModel.applyMatrix3( _normalMatrix ).normalize();
var faceVertexNormals = face.vertexNormals;
for ( var n = 0, nl = Math.min( faceVertexNormals.length, 3 ); n < nl; n ++ ) {
var normalModel = _face.vertexNormalsModel[ n ];
normalModel.copy( faceVertexNormals[ n ] );
if ( visible === false && ( side === THREE.BackSide || side === THREE.DoubleSide ) ) {
normalModel.negate();
}
normalModel.applyMatrix3( _normalMatrix ).normalize();
}
_face.vertexNormalsLength = faceVertexNormals.length;
var vertexUvs = faceVertexUvs[ f ];
if ( vertexUvs !== undefined ) {
for ( var u = 0; u < 3; u ++ ) {
_face.uvs[ u ].copy( vertexUvs[ u ] );
}
}
_face.color = face.color;
_face.material = material;
_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
_face.renderOrder = object.renderOrder;
_renderData.elements.push( _face );
}
}
} else if ( object instanceof THREE.Line ) {
_modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
if ( geometry instanceof THREE.BufferGeometry ) {
var attributes = geometry.attributes;
if ( attributes.position !== undefined ) {
var positions = attributes.position.array;
for ( var i = 0, l = positions.length; i < l; i += 3 ) {
renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
}
if ( attributes.color !== undefined ) {
var colors = attributes.color.array;
for ( var i = 0, l = colors.length; i < l; i += 3 ) {
renderList.pushColor( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] );
}
}
if ( geometry.index !== null ) {
var indices = geometry.index.array;
for ( var i = 0, l = indices.length; i < l; i += 2 ) {
renderList.pushLine( indices[ i ], indices[ i + 1 ] );
}
} else {
var step = object instanceof THREE.LineSegments ? 2 : 1;
for ( var i = 0, l = ( positions.length / 3 ) - 1; i < l; i += step ) {
renderList.pushLine( i, i + 1 );
}
}
}
} else if ( geometry instanceof THREE.Geometry ) {
var vertices = object.geometry.vertices;
if ( vertices.length === 0 ) continue;
v1 = getNextVertexInPool();
v1.positionScreen.copy( vertices[ 0 ] ).applyMatrix4( _modelViewProjectionMatrix );
var step = object instanceof THREE.LineSegments ? 2 : 1;
for ( var v = 1, vl = vertices.length; v < vl; v ++ ) {
v1 = getNextVertexInPool();
v1.positionScreen.copy( vertices[ v ] ).applyMatrix4( _modelViewProjectionMatrix );
if ( ( v + 1 ) % step > 0 ) continue;
v2 = _vertexPool[ _vertexCount - 2 ];
_clippedVertex1PositionScreen.copy( v1.positionScreen );
_clippedVertex2PositionScreen.copy( v2.positionScreen );
if ( clipLine( _clippedVertex1PositionScreen, _clippedVertex2PositionScreen ) === true ) {
// Perform the perspective divide
_clippedVertex1PositionScreen.multiplyScalar( 1 / _clippedVertex1PositionScreen.w );
_clippedVertex2PositionScreen.multiplyScalar( 1 / _clippedVertex2PositionScreen.w );
_line = getNextLineInPool();
_line.id = object.id;
_line.v1.positionScreen.copy( _clippedVertex1PositionScreen );
_line.v2.positionScreen.copy( _clippedVertex2PositionScreen );
_line.z = Math.max( _clippedVertex1PositionScreen.z, _clippedVertex2PositionScreen.z );
_line.renderOrder = object.renderOrder;
_line.material = object.material;
if ( object.material.vertexColors === THREE.VertexColors ) {
_line.vertexColors[ 0 ].copy( object.geometry.colors[ v ] );
_line.vertexColors[ 1 ].copy( object.geometry.colors[ v - 1 ] );
}
_renderData.elements.push( _line );
}
}
}
} else if ( object instanceof THREE.Points ) {
_modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
if ( geometry instanceof THREE.Geometry ) {
var vertices = object.geometry.vertices;
for ( var v = 0, vl = vertices.length; v < vl; v ++ ) {
var vertex = vertices[ v ];
_vector4.set( vertex.x, vertex.y, vertex.z, 1 );
_vector4.applyMatrix4( _modelViewProjectionMatrix );
pushPoint( _vector4, object, camera );
}
} else if ( geometry instanceof THREE.BufferGeometry ) {
var attributes = geometry.attributes;
if ( attributes.position !== undefined ) {
var positions = attributes.position.array;
for ( var i = 0, l = positions.length; i < l; i += 3 ) {
_vector4.set( positions[ i ], positions[ i + 1 ], positions[ i + 2 ], 1 );
_vector4.applyMatrix4( _modelViewProjectionMatrix );
pushPoint( _vector4, object, camera );
}
}
}
} else if ( object instanceof THREE.Sprite ) {
_vector4.set( _modelMatrix.elements[ 12 ], _modelMatrix.elements[ 13 ], _modelMatrix.elements[ 14 ], 1 );
_vector4.applyMatrix4( _viewProjectionMatrix );
pushPoint( _vector4, object, camera );
}
}
if ( sortElements === true ) {
_renderData.elements.sort( painterSort );
}
return _renderData;
};
function pushPoint( _vector4, object, camera ) {
var invW = 1 / _vector4.w;
_vector4.z *= invW;
if ( _vector4.z >= - 1 && _vector4.z <= 1 ) {
_sprite = getNextSpriteInPool();
_sprite.id = object.id;
_sprite.x = _vector4.x * invW;
_sprite.y = _vector4.y * invW;
_sprite.z = _vector4.z;
_sprite.renderOrder = object.renderOrder;
_sprite.object = object;
_sprite.rotation = object.rotation;
_sprite.scale.x = object.scale.x * Math.abs( _sprite.x - ( _vector4.x + camera.projectionMatrix.elements[ 0 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 12 ] ) );
_sprite.scale.y = object.scale.y * Math.abs( _sprite.y - ( _vector4.y + camera.projectionMatrix.elements[ 5 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 13 ] ) );
_sprite.material = object.material;
_renderData.elements.push( _sprite );
}
}
// Pools
function getNextObjectInPool() {
if ( _objectCount === _objectPoolLength ) {
var object = new THREE.RenderableObject();
_objectPool.push( object );
_objectPoolLength ++;
_objectCount ++;
return object;
}
return _objectPool[ _objectCount ++ ];
}
function getNextVertexInPool() {
if ( _vertexCount === _vertexPoolLength ) {
var vertex = new THREE.RenderableVertex();
_vertexPool.push( vertex );
_vertexPoolLength ++;
_vertexCount ++;
return vertex;
}
return _vertexPool[ _vertexCount ++ ];
}
function getNextFaceInPool() {
if ( _faceCount === _facePoolLength ) {
var face = new THREE.RenderableFace();
_facePool.push( face );
_facePoolLength ++;
_faceCount ++;
return face;
}
return _facePool[ _faceCount ++ ];
}
function getNextLineInPool() {
if ( _lineCount === _linePoolLength ) {
var line = new THREE.RenderableLine();
_linePool.push( line );
_linePoolLength ++;
_lineCount ++;
return line;
}
return _linePool[ _lineCount ++ ];
}
function getNextSpriteInPool() {
if ( _spriteCount === _spritePoolLength ) {
var sprite = new THREE.RenderableSprite();
_spritePool.push( sprite );
_spritePoolLength ++;
_spriteCount ++;
return sprite;
}
return _spritePool[ _spriteCount ++ ];
}
//
function painterSort( a, b ) {
if ( a.renderOrder !== b.renderOrder ) {
return a.renderOrder - b.renderOrder;
} else if ( a.z !== b.z ) {
return b.z - a.z;
} else if ( a.id !== b.id ) {
return a.id - b.id;
} else {
return 0;
}
}
function clipLine( s1, s2 ) {
var alpha1 = 0, alpha2 = 1,
// Calculate the boundary coordinate of each vertex for the near and far clip planes,
// Z = -1 and Z = +1, respectively.
bc1near = s1.z + s1.w,
bc2near = s2.z + s2.w,
bc1far = - s1.z + s1.w,
bc2far = - s2.z + s2.w;
if ( bc1near >= 0 && bc2near >= 0 && bc1far >= 0 && bc2far >= 0 ) {
// Both vertices lie entirely within all clip planes.
return true;
} else if ( ( bc1near < 0 && bc2near < 0 ) || ( bc1far < 0 && bc2far < 0 ) ) {
// Both vertices lie entirely outside one of the clip planes.
return false;
} else {
// The line segment spans at least one clip plane.
if ( bc1near < 0 ) {
// v1 lies outside the near plane, v2 inside
alpha1 = Math.max( alpha1, bc1near / ( bc1near - bc2near ) );
} else if ( bc2near < 0 ) {
// v2 lies outside the near plane, v1 inside
alpha2 = Math.min( alpha2, bc1near / ( bc1near - bc2near ) );
}
if ( bc1far < 0 ) {
// v1 lies outside the far plane, v2 inside
alpha1 = Math.max( alpha1, bc1far / ( bc1far - bc2far ) );
} else if ( bc2far < 0 ) {
// v2 lies outside the far plane, v2 inside
alpha2 = Math.min( alpha2, bc1far / ( bc1far - bc2far ) );
}
if ( alpha2 < alpha1 ) {
// The line segment spans two boundaries, but is outside both of them.
// (This can't happen when we're only clipping against just near/far but good
// to leave the check here for future usage if other clip planes are added.)
return false;
} else {
// Update the s1 and s2 vertices to match the clipped line segment.
s1.lerp( s2, alpha1 );
s2.lerp( s1, 1 - alpha2 );
return true;
}
}
}
};
if($('#home_wave').length > 0) {
var SEPARATION = 200, AMOUNTX = 40, AMOUNTY = 60;
var container, stats;
var camera, scene, renderer;
var particles, particle, count = 0;
var mouseX = 0, mouseY = 0;
var windowHalfX = window.innerWidth / 2;
var windowHalfY = window.innerHeight / 2;
init();
animate();
}
function init() {
container = $('#home_wave');
camera = new THREE.PerspectiveCamera( 65, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.z = 10000;
scene = new THREE.Scene();
scene.fog = new THREE.Fog( 0xffffff, 2000, 10000 );
particles = new Array();
var PI2 = Math.PI * 2;
var material = new THREE.SpriteCanvasMaterial( {
color: 0x211f3f,
program: function ( context ) {
context.beginPath();
context.arc( 0, 0, 0.5, 0, PI2, true );
context.fill();
}
} );
var i = 0;
for ( var ix = 0; ix < AMOUNTX; ix ++ ) {
for ( var iy = 0; iy < AMOUNTY; iy ++ ) {
particle = particles[ i ++ ] = new THREE.Sprite( material );
particle.position.x = ix * SEPARATION - ( ( AMOUNTX * SEPARATION ) / 2 );
particle.position.z = iy * SEPARATION - ( ( AMOUNTY * SEPARATION ) / 2 );
scene.add( particle );
}
}
renderer = new THREE.CanvasRenderer({ alpha: true });
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.setClearColor(scene.fog.color );
container.append( renderer.domElement );
//stats = new Stats();
//stats.domElement.style.position = 'absolute';
//stats.domElement.style.top = '0px';
//container.appendChild( stats.domElement );
//
window.addEventListener( 'resize', onWindowResize, false );
}
function onWindowResize() {
windowHalfX = window.innerWidth / 2;
windowHalfY = window.innerHeight / 2;
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
//
//
function animate() {
requestAnimationFrame( animate );
render();
//stats.update();
}
function render() {
camera.position.set(0,355,122);
var i = 0;
for ( var ix = 0; ix < AMOUNTX; ix ++ ) {
for ( var iy = 0; iy < AMOUNTY; iy ++ ) {
particle = particles[ i++ ];
particle.position.y = ( Math.sin( ( ix + count ) * 0.3 ) * 50 ) +
( Math.sin( ( iy + count ) * 0.5 ) * 50 );
particle.scale.x = particle.scale.y = ( Math.sin( ( ix + count ) * 0.3 ) + 1 ) * 4 +
( Math.sin( ( iy + count ) * 0.5 ) + 1 ) * 4;
}
}
renderer.render( scene, camera );
count += 0.1;
}
External CSS
This Pen doesn't use any external CSS resources.