More shaders

picom/.config/picom-shaders/nordify.glsl

@@ -0,0 +1,65 @@
+// The Nord colorscheme is used by default, 
+// but you can make your own by changing `colors`
+
+uniform float opacity;
+uniform float time;
+uniform bool invert_color;
+uniform sampler2D tex;
+
+float sin_rand() {
+  return sin(gl_FragCoord.x + cos(gl_FragCoord.y));
+}
+
+float random(float seedChange) {
+  vec2 seed = gl_FragCoord.xy + sin(seedChange);
+  return fract(dot(vec2(sin(mod(seed.x / cos(seed.y), 5.0) * 10000.0)), vec2(1.1, 12.2)));
+}
+
+void main() {
+  vec4 c = texture2D(tex, gl_TexCoord[0].xy);
+  vec4 d = c;
+  vec3 colors[16];
+    colors[0 ] = vec3(0.18 ,0.204,0.251);
+    colors[1 ] = vec3(0.231,0.259,0.322);
+    colors[2 ] = vec3(0.263,0.298,0.369);
+    colors[3 ] = vec3(0.298,0.337,0.416);
+    colors[4 ] = vec3(0.847,0.871,0.914);
+    colors[5 ] = vec3(0.898,0.914,0.941);
+    colors[6 ] = vec3(0.925,0.937,0.957);
+    colors[7 ] = vec3(0.561,0.737,0.733);
+    colors[8 ] = vec3(0.533,0.753,0.816);
+    colors[9 ] = vec3(0.506,0.631,0.757);
+    colors[10] = vec3(0.369,0.506,0.675);
+    colors[11] = vec3(0.749,0.38 ,0.416);
+    colors[12] = vec3(0.816,0.529,0.439);
+    colors[13] = vec3(0.922,0.796,0.545);
+    colors[14] = vec3(0.639,0.745,0.549);
+    colors[15] = vec3(0.706,0.557,0.678);
+ 
+  float mindist = 100.0;
+  int minind = 0;
+  float mindist2 = 100.0;
+  int minind2 = 0;
+  for (int i = 0; i < 16; i++) {
+    float dist = length(c.xyz - colors[i]);
+    if (dist < mindist) {
+      mindist2 = mindist;
+      mindist = dist;
+      minind2 = minind;
+      minind = i;
+    }
+  }
+  float ratio = mindist / (mindist + mindist2);
+  float r = random(1.0) * 0.4 + 0.25;
+  if (r > ratio)
+    c.xyz = colors[minind];
+  else 
+    c.xyz = colors[minind2];
+
+  c.xyz = mix(mix(colors[minind], colors[minind2], ratio), c.xyz, 0.5);
+  
+  if (invert_color)
+    c = vec4(vec3(c.a, c.a, c.a) - vec3(c), c.a);
+  c *= opacity;
+  gl_FragColor = vec4(c);
+}