mirror of
https://github.com/Merlin1809/Eclipse-Shader.git
synced 2026-10-11 01:38:20 +08:00
31 lines
1.2 KiB
GLSL
31 lines
1.2 KiB
GLSL
// Emin's and Gri's combined ideas to stop peter panning and light leaking, also has little shadowacne so thats nice
|
|
// https://www.complementary.dev/reimagined
|
|
// https://github.com/gri573
|
|
void GriAndEminShadowFix(
|
|
inout vec3 WorldPos,
|
|
vec3 FlatNormal,
|
|
float transition
|
|
){
|
|
transition = 1.0-transition;
|
|
transition *= transition*transition*transition*transition*transition*transition;
|
|
float zoomLevel = mix(0.0, 0.5, transition);
|
|
|
|
if(zoomLevel > 0.001 && isEyeInWater != 1) WorldPos = WorldPos - ( fract(WorldPos+cameraPosition - WorldPos*0.0001)*zoomLevel - zoomLevel*0.5);
|
|
}
|
|
|
|
void applyShadowBias(inout vec3 projectedShadowPosition, in vec3 playerPos, in vec3 geoNormals){
|
|
|
|
// Calculate the bias size according to the 1:1 ratio of one shadow texel to one full block
|
|
float biasSize = (shadowDistance / shadowMapResolution*2.0) * 2.0;
|
|
|
|
float biasDistanceFactor = length(projectedShadowPosition.xy);
|
|
|
|
biasDistanceFactor = 1.0 + biasDistanceFactor * ((16.0*8.0) / shadowDistance) * 0.1;
|
|
|
|
#ifdef CUSTOM_MOON_ROTATION
|
|
projectedShadowPosition += (mat3(customShadowMatrixSSBO) * geoNormals) * biasSize * 0.15 * biasDistanceFactor;
|
|
#else
|
|
projectedShadowPosition += (mat3(shadowModelView) * geoNormals) * biasSize * 0.15 * biasDistanceFactor;
|
|
#endif
|
|
}
|