three
Version:
JavaScript 3D library
50 lines (29 loc) • 729 B
JavaScript
/**
* @author alteredq / http://alteredqualia.com/
*
* Colorify shader
*/
THREE.ColorifyShader = {
uniforms: {
"tDiffuse": { value: null },
"color": { value: new THREE.Color( 0xffffff ) }
},
vertexShader: [
"varying vec2 vUv;",
"void main() {",
"vUv = uv;",
"gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
"}"
].join( "\n" ),
fragmentShader: [
"uniform vec3 color;",
"uniform sampler2D tDiffuse;",
"varying vec2 vUv;",
"void main() {",
"vec4 texel = texture2D( tDiffuse, vUv );",
"vec3 luma = vec3( 0.299, 0.587, 0.114 );",
"float v = dot( texel.xyz, luma );",
"gl_FragColor = vec4( v * color, texel.w );",
"}"
].join( "\n" )
};