diff options
Diffstat (limited to 'fog_ltcgi.cginc')
| -rw-r--r-- | fog_ltcgi.cginc | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fog_ltcgi.cginc b/fog_ltcgi.cginc index 5e64442..dd6786c 100644 --- a/fog_ltcgi.cginc +++ b/fog_ltcgi.cginc @@ -16,14 +16,20 @@ struct ltcgi_acc { }; void ltcgi_cb_diffuse(inout ltcgi_acc acc, in ltcgi_output output); -void ltcgi_cb_specular(inout ltcgi_acc acc, in ltcgi_output output); #define LTCGI_V2_CUSTOM_INPUT ltcgi_acc #define LTCGI_V2_DIFFUSE_CALLBACK ltcgi_cb_diffuse +// modified exponential impulse from here: https://iquilezles.org/articles/functions/ +float reshape_intensity(float x) { + x = saturate(x*4); + return (2*x*exp(1-2*x))*.1; +} + #include "Third_Party/at.pimaker.ltcgi/Shaders/LTCGI.cginc" void ltcgi_cb_diffuse(inout ltcgi_acc acc, in ltcgi_output output) { - acc.diffuse += output.intensity * output.color; + // Intensity varies from 0 to 1. + acc.diffuse += reshape_intensity(output.intensity) * output.color; } #endif // _GIMMICK_FOG_00 |