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- /**
- * Luminosity
- * http://en.wikipedia.org/wiki/Luminosity
- */
- var LuminosityShader = {
- uniforms: {
- 'tDiffuse': { value: null }
- },
- vertexShader: [
- 'varying vec2 vUv;',
- 'void main() {',
- ' vUv = uv;',
- ' gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
- '}'
- ].join( '\n' ),
- fragmentShader: [
- '#include <common>',
- 'uniform sampler2D tDiffuse;',
- 'varying vec2 vUv;',
- 'void main() {',
- ' vec4 texel = texture2D( tDiffuse, vUv );',
- ' float l = linearToRelativeLuminance( texel.rgb );',
- ' gl_FragColor = vec4( l, l, l, texel.w );',
- '}'
- ].join( '\n' )
- };
- export { LuminosityShader };
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