Fix direct emitter hits when emitter sampling is enabled and prevent …

…normal emitter when using emitter sampling is enabled.
chunky-dev · Aug 25, 2024 · a011d1f · a011d1f
1 parent f28add6
commit a011d1f
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java b/chunky/src/java/se/llbit/chunky/renderer/scene/PathTracer.java
@@ -228,7 +228,7 @@ private static boolean doDiffuseReflection(Ray ray, Ray next, Material currentMa
     Vector3 emittance = new Vector3();
     Vector4 indirectEmitterColor = new Vector4(0, 0, 0, 0);
 
-    if (scene.emittersEnabled && (!scene.isPreventNormalEmitterWithSampling() || scene.getEmitterSamplingStrategy() == EmitterSamplingStrategy.NONE || ray.depth == 0) && currentMat.emittance > Ray.EPSILON) {
+    if (scene.emittersEnabled && (!scene.isPreventNormalEmitterWithSampling() || scene.getEmitterSamplingStrategy() == EmitterSamplingStrategy.NONE || ray.depth == 1) && currentMat.emittance > Ray.EPSILON) {
 
       // Quadratic emittance mapping, so a pixel that's 50% darker will emit only 25% as much light
       // This is arbitrary but gives pretty good results in most cases.