/**
* @author bhouston / http://clara.io/
*
* Luminosity
* http://en.wikipedia.org/wiki/Luminosity
*/
// import { Color } from "./three.module.js";
import { Color } from "three";
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 };
