Fix DDGI cascade movement to be less vertical along the view

2026-05-20 23:20:30 +02:00
parent 0a39d88221
commit 17ff4623e7
1 changed files with 2 additions and 2 deletions
@@ -373,8 +373,8 @@ bool DynamicDiffuseGlobalIlluminationPass::RenderInner(RenderContext& renderCont
        const Float3 probesDistance = Float3(probesCounts - 1) * cascadeProbesSpacing;
        const float probesDistanceMax = probesDistance.MaxValue();
        const Float3 viewRayHit = CollisionsHelper::LineHitsBox(viewOrigin, viewOrigin + viewDirection * (probesDistanceMax * 2.0f), viewOrigin - probesDistance, viewOrigin + probesDistance);
-        const float viewOriginOffset = viewRayHit.Y * probesDistanceMax * 0.6f;
-        viewOrigin += viewDirection * viewOriginOffset;
+        const float viewOriginOffset = viewRayHit.Y * probesDistanceMax * 0.6f; // Limit max movement
+        viewOrigin += viewDirection * viewOriginOffset * Float3(1, 0.5f, 1); // Reduce vertical movement
        //viewOrigin = Float3::Zero;
        blendOrigins[cascadeIndex] = viewOrigin;
        const float viewOriginSnapping = cascadeProbesSpacing;