Files
2020-11-28 21:47:07 +01:00

15 lines
545 B
JavaScript

#include frex:shaders/api/fragment.glsl
#include frex:shaders/lib/math.glsl
/******************************************************
canvas:shaders/material/warm_glow.frag
******************************************************/
void frx_startFragment(inout frx_FragmentData fragData) {
float e = frx_luminance(fragData.spriteColor.rgb);
bool lit = e > 0.8 || (fragData.spriteColor.r - fragData.spriteColor.b) > 0.5f;
fragData.emissivity = lit ? e : 0.0;
fragData.diffuse = fragData.diffuse && !lit;
fragData.ao = fragData.ao && !lit;
}