Iris/gource/data/shaders/bloom.frag
2022-12-11 12:32:05 -05:00

17 lines
418 B
GLSL

varying vec3 pos;
void main()
{
float r = fract(sin(dot(pos.xy ,vec2(11.3713,67.3219))) * 2351.3718);
float offset = (0.5 - r) * gl_TexCoord[0].x * 0.045;
float intensity = min(1.0, cos((length(pos*2.0)+offset)/gl_TexCoord[0].x));
float gradient = intensity * smoothstep(0.0, 2.0, intensity);
gradient *= smoothstep(1.0,0.67+r*0.33, 1.0-intensity);
gl_FragColor = gl_Color * gradient;
}