playcanvas
Version:
Open-source WebGL/WebGPU 3D engine for the web
34 lines (33 loc) • 929 B
JavaScript
var opacity_dither_default = `
uniform vec4 blueNoiseJitter;
uniform sampler2D blueNoiseTex32;
void opacityDither(float alpha, float id) {
if (alpha <= 0.0)
discard;
if (alpha >= 1.0)
return;
float noise = bayer8(floor(mod(gl_FragCoord.xy + blueNoiseJitter.xy + id, 8.0))) / 64.0;
vec2 uv = fract(gl_FragCoord.xy / 32.0 + blueNoiseJitter.xy + id);
float noise = texture2DLod(blueNoiseTex32, uv, 0.0).y;
vec3 magic = vec3(0.06711056, 0.00583715, 52.9829189);
float noise = fract(magic.z * fract(dot(gl_FragCoord.xy + blueNoiseJitter.xy + id, magic.xy)));
noise = pow(noise, 2.2);
if (alpha < noise)
discard;
}
`;
export {
opacity_dither_default as default
};