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/**
* @author bhouston / http://clara.io/
*
* Luminosity
* http://en.wikipedia.org/wiki/Luminosity
*/
import {
Color
} from "../../../build/three.module.js";
var LuminosityHighPassShader = {
shaderID: "luminosityHighPass",
uniforms: {
"tDiffuse": { value: null },
"luminosityThreshold": { value: 1.0 },
"smoothWidth": { value: 1.0 },
"defaultColor": { value: new Color( 0x000000 ) },
"defaultOpacity": { value: 0.0 }
},
vertexShader: [
"varying vec2 vUv;",
"void main() {",
" vUv = uv;",
" gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );",
"}"
].join( "\n" ),
fragmentShader: [
"uniform sampler2D tDiffuse;",
"uniform vec3 defaultColor;",
"uniform float defaultOpacity;",
"uniform float luminosityThreshold;",
"uniform float smoothWidth;",
"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 );",
" vec4 outputColor = vec4( defaultColor.rgb, defaultOpacity );",
" float alpha = smoothstep( luminosityThreshold, luminosityThreshold + smoothWidth, v );",
" gl_FragColor = mix( outputColor, texel, alpha );",
"}"
].join( "\n" )
};
export { LuminosityHighPassShader };
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