mirror of
https://github.com/DanielnetoDotCom/YouPHPTube
synced 2025-10-04 10:19:24 +02:00
47 lines
690 B
JavaScript
47 lines
690 B
JavaScript
/**
|
|
* Unpack RGBA depth shader
|
|
* - show RGBA encoded depth as monochrome color
|
|
*/
|
|
|
|
THREE.UnpackDepthRGBAShader = {
|
|
|
|
uniforms: {
|
|
|
|
'tDiffuse': { value: null },
|
|
'opacity': { value: 1.0 }
|
|
|
|
},
|
|
|
|
vertexShader: [
|
|
|
|
'varying vec2 vUv;',
|
|
|
|
'void main() {',
|
|
|
|
' vUv = uv;',
|
|
' gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );',
|
|
|
|
'}'
|
|
|
|
].join( '\n' ),
|
|
|
|
fragmentShader: [
|
|
|
|
'uniform float opacity;',
|
|
|
|
'uniform sampler2D tDiffuse;',
|
|
|
|
'varying vec2 vUv;',
|
|
|
|
'#include <packing>',
|
|
|
|
'void main() {',
|
|
|
|
' float depth = 1.0 - unpackRGBAToDepth( texture2D( tDiffuse, vUv ) );',
|
|
' gl_FragColor = vec4( vec3( depth ), opacity );',
|
|
|
|
'}'
|
|
|
|
].join( '\n' )
|
|
|
|
};
|