1 /**
  2  * @author mikael emtinger / http://gomo.se/
  3  * @author alteredq / http://alteredqualia.com/
  4  *
  5  */
  6 
  7 /**@namespace*/
  8 THREE.ShaderSprite = {
  9 
 10 	'sprite': {
 11 
 12 		vertexShader: [
 13 
 14 			"uniform int useScreenCoordinates;",
 15 			"uniform int affectedByDistance;",
 16 			"uniform vec3 screenPosition;",
 17 			"uniform mat4 modelViewMatrix;",
 18 			"uniform mat4 projectionMatrix;",
 19 			"uniform float rotation;",
 20 			"uniform vec2 scale;",
 21 			"uniform vec2 alignment;",
 22 			"uniform vec2 uvOffset;",
 23 			"uniform vec2 uvScale;",
 24 
 25 			"attribute vec2 position;",
 26 			"attribute vec2 uv;",
 27 
 28 			"varying vec2 vUV;",
 29 
 30 			"void main() {",
 31 
 32 				"vUV = uvOffset + uv * uvScale;",
 33 
 34 				"vec2 alignedPosition = position + alignment;",
 35 
 36 				"vec2 rotatedPosition;",
 37 				"rotatedPosition.x = ( cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y ) * scale.x;",
 38 				"rotatedPosition.y = ( sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y ) * scale.y;",
 39 
 40 				"vec4 finalPosition;",
 41 
 42 				"if( useScreenCoordinates != 0 ) {",
 43 
 44 					"finalPosition = vec4( screenPosition.xy + rotatedPosition, screenPosition.z, 1.0 );",
 45 
 46 				"} else {",
 47 
 48 					"finalPosition = projectionMatrix * modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );",
 49 					"finalPosition.xy += rotatedPosition * ( affectedByDistance == 1 ? 1.0 : finalPosition.z );",
 50 
 51 				"}",
 52 
 53 				"gl_Position = finalPosition;",
 54 
 55 			"}"
 56 
 57 		].join( "\n" ),
 58 
 59 		fragmentShader: [
 60 
 61 			"precision mediump float;",
 62 
 63 			"uniform vec3 color;",
 64 			"uniform sampler2D map;",
 65 			"uniform float opacity;",
 66 
 67 			"uniform int fogType;",
 68 			"uniform vec3 fogColor;",
 69 			"uniform float fogDensity;",
 70 			"uniform float fogNear;",
 71 			"uniform float fogFar;",
 72 
 73 			"varying vec2 vUV;",
 74 
 75 			"void main() {",
 76 
 77 				"vec4 texture = texture2D( map, vUV );",
 78 				"gl_FragColor = vec4( color * texture.xyz, texture.a * opacity );",
 79 
 80 				"if ( fogType > 0 ) {",
 81 
 82 					"float depth = gl_FragCoord.z / gl_FragCoord.w;",
 83 					"float fogFactor = 0.0;",
 84 
 85 					"if ( fogType == 1 ) {",
 86 
 87 						"fogFactor = smoothstep( fogNear, fogFar, depth );",
 88 
 89 					"} else {",
 90 
 91 						"const float LOG2 = 1.442695;",
 92 						"float fogFactor = exp2( - fogDensity * fogDensity * depth * depth * LOG2 );",
 93 						"fogFactor = 1.0 - clamp( fogFactor, 0.0, 1.0 );",
 94 
 95 					"}",
 96 
 97 					"gl_FragColor = mix( gl_FragColor, vec4( fogColor, gl_FragColor.w ), fogFactor );",
 98 
 99 				"}",
100 
101 			"}"
102 
103 		].join( "\n" )
104 
105 	}
106 
107 };
108 

nike free rn new balance hombre baratas cinturones gucci ugg rebajas cinturon gucci ray ban baratas nike cortez peuterey mujer christian louboutin madrid mbt zapatos gafas ray ban baratas mbt ofertas air max blancas mbt barcelona nike air max 90 woolrich barcelona nike mujer botas ugg gafas de sol carrera aratas air max 2016 baratas oakley baratas nike air max 2016