stk-code_catmod/data/shaders/godfade.frag
2014-02-28 17:29:05 +01:00

25 lines
373 B
GLSL

uniform sampler2D tex;
uniform vec3 col;
#if __VERSION__ >= 130
in vec2 uv;
out vec4 FragColor;
#else
varying vec2 uv;
#define FragColor gl_FragColor
#endif
void main()
{
vec4 res = texture(tex, uv);
// Keep the sun fully bright, but fade the sky
float mul = distance(res.xyz, col);
mul = step(mul, 0.02);
mul *= 0.97;
res = res * vec4(mul);
FragColor = res;
}