DiffusionWave #

varying vec2 vUv;
uniform float iTime;
uniform vec3 unColor;
uniform float unLaps;
uniform float opacity;
void main() {
  vec2 uv = vUv;
  vec2 p = 2.0 * uv.xy - vec2(1., 1.);
  float r = length(p) * unLaps;
  vec3 color = unColor;
  float a = pow(r, 2.0);
  float b = sin(r * 0.8 - 1.6);
  float c = sin(r - .10);
  float s = sin(a - iTime * 3.0 + b) * c;
  color *= abs(1.0 / (s * 30.)) - 0.1;
  gl_FragColor = vec4(color, opacity);
}