better fade

3 years ago · 7b958148d0
parent 56187ad977
commit 7b958148d0
1 changed files with 4 additions and 2 deletions
--- a/files/shaders/softparticles.glsl
+++ b/files/shaders/softparticles.glsl
@ -30,8 +30,10 @@ float calcSoftParticleFade(in vec3 viewDir, in vec3 viewNormal, in vec3 viewPos)
    const float nearMult = 300.0;
    float viewBias = 1.0;

-    if (particleFade)
-        viewBias = abs(dot(-viewDir, viewNormal) * quickstep(euclidianDepth / nearMult));
+    if (particleFade) {
+        float VdotN = dot(viewDir, viewNormal);
+        viewBias = abs(VdotN) * quickstep(euclidianDepth / nearMult) * (1.0 - pow(1.0 + VdotN, 1.3));
+    }

    const float shift = 0.845;
    return shift * pow(clamp(delta/falloff, 0.0, 1.0), contrast) * viewBias;