3D-Demo/jsm/shaders/PixelShader.js

45 lines
658 B
JavaScript
Raw Normal View History

2022-10-14 16:50:42 +08:00
/**
* Pixelation shader
*/
const PixelShader = {
uniforms: {
'tDiffuse': { value: null },
'resolution': { value: null },
'pixelSize': { value: 1 },
},
vertexShader: /* glsl */`
varying highp vec2 vUv;
void main() {
vUv = uv;
gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
}`,
fragmentShader: /* glsl */`
uniform sampler2D tDiffuse;
uniform float pixelSize;
uniform vec2 resolution;
varying highp vec2 vUv;
void main(){
vec2 dxy = pixelSize / resolution;
vec2 coord = dxy * floor( vUv / dxy );
gl_FragColor = texture2D(tDiffuse, coord);
}`
};
export { PixelShader };