22 lines
383 B
GLSL
22 lines
383 B
GLSL
#version 120
|
|
|
|
varying vec2 fp_uv;
|
|
|
|
uniform float time;
|
|
|
|
vec3 palette(float d) {
|
|
vec3 v = d + vec3(0.25, 0.40625, 0.5625); // 40 45 49
|
|
v = v * 6.28318548202514648438;
|
|
v = cos(v);
|
|
return vec3(0.5, 0.5, 0.5) * v + vec3(0.5, 0.5, 0.5); // 48
|
|
}
|
|
|
|
void main()
|
|
{
|
|
vec2 uv = fp_uv;
|
|
float d = length(uv);
|
|
float td = time * 0.5 + d;
|
|
|
|
gl_FragColor = vec4(palette(td) * 0.1, 1);
|
|
}
|