three
Version:
JavaScript 3D library
50 lines (27 loc) • 954 B
JavaScript
console.warn( "THREE.LuminosityShader: As part of the transition to ES6 Modules, the files in 'examples/js' were deprecated in May 2020 (r117) and will be deleted in December 2020 (r124). You can find more information about developing using ES6 Modules in https://threejs.org/docs/#manual/en/introduction/Installation." );
/**
* Luminosity
* http://en.wikipedia.org/wiki/Luminosity
*/
THREE.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" )
};