Shader test bench

AdvancedMosaic

gl-transitions transition glsl runnable transition MIT

runnable transition

GLSL transition function. Stronghold supplies two demo textures and progress/time uniforms.

Code

// Author: Sergey Kosarevsky
// License: MIT
// Ported from https://gist.github.com/corporateshark/21d2fdd24c706952dc8c

uniform float pixelSize; // = 50.0

vec4 transition(vec2 uv) {
  float T = progress;
  float half_ = 0.5;
  float size = (T < half_) ? mix(1.0, pixelSize, T / half_) : mix(pixelSize, 1.0, (T - half_) / half_);
  float D = size * 0.005;
  // Remap UV to center the mosaic pattern
  vec2 UV = (uv - 0.5) / D;
  vec2 coord = clamp(D * (ceil(UV - 0.5)) + 0.5, 0.0, 1.0);
  vec4 C0 = getFromColor(coord);
  vec4 C1 = getToColor(coord);
  return mix(C0, C1, T);
}

Code

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