mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-28 22:41:43 +00:00
27 lines
742 B
GLSL
27 lines
742 B
GLSL
uniform float u_time;
|
|
|
|
void
|
|
mainImage(out vec4 fragColor, in vec2 fragCoord, in vec2 resolution, in vec2 uv)
|
|
{
|
|
vec2 pos = (fragCoord.xy * 2.0 - resolution.xy)/ min (resolution.x, resolution.y) ;
|
|
|
|
float t0 = sin ((u_time + 0.00)*1.0);
|
|
float t1 = sin ((u_time + 0.30)*0.4);
|
|
float t2 = cos ((u_time + 0.23)*0.9);
|
|
float t3 = cos ((u_time + 0.41)*0.6);
|
|
float t4 = cos ((u_time + 0.11)*0.3);
|
|
|
|
vec2 p0 = vec2 (t1, t0) ;
|
|
vec2 p1 = vec2 (t2, t3) ;
|
|
vec2 p2 = vec2 (t4, t3) ;
|
|
|
|
float r = 1.0/distance (pos, p0);
|
|
float g = 1.0/distance (pos, p1);
|
|
float b = 1.0/distance (pos, p2);
|
|
float sum = r + g + b;
|
|
|
|
float alpha = 1.0 - pow (1.0/(sum), 40.0)*pow (10.0, 40.0*0.7);
|
|
|
|
fragColor = vec4 (r*0.5, g*0.5, b*0.5, 1.0) * alpha;
|
|
}
|