stinger_m/shaders/glsl/AmbientGlow_Brightmapped.fp
2018-06-06 19:53:37 +02:00

15 lines
472 B
GLSL

// imitation of the Unreal Engine 1.x ambient glow effect, timing may be off
// combining with brightmaps requires the brightmap to be embedded into the
// alpha channel of the diffuse texture
#define PI 3.14159265
vec4 ProcessLight( vec4 color )
{
float bright = getTexel(vTexCoord.st).a;
float glow = (1.0+sin(timer*2*PI))*0.25;
return vec4(min(color.rgb+vec3(bright)+vec3(glow),1.0),color.a);
}
vec4 ProcessTexel()
{
return vec4(getTexel(vTexCoord.st).rgb,1.0);
}