Fix particle system not able to render 2x2 particle texture. #2126 (#…

…2129)
helix-toolkit · Feb 1, 2024 · 03e297b · 03e297b
1 parent 1f0b0d7
commit 03e297b
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Source/HelixToolkit.Native.ShaderBuilder/CS/csParticleInsert.hlsl b/Source/HelixToolkit.Native.ShaderBuilder/CS/csParticleInsert.hlsl
@@ -68,7 +68,7 @@ void main(uint3 GroupThreadID : SV_GroupThreadID)
     {
         uint rndNumber1 = rand_lcg(state);
         uint rndNumber2 = rand_lcg(state);
-        p.TexColRow = uint2(rndNumber1 % max(1, NumTexCol) - 1, rndNumber2 % max(1, NumTexRow) - 1);
+        p.TexColRow = uint2(rndNumber1 % max(1, NumTexCol), rndNumber2 % max(1, NumTexRow));
     }
     else
     {
@@ -78,4 +78,4 @@ void main(uint3 GroupThreadID : SV_GroupThreadID)
     NewSimulationState.Append(p);
 }
 
-#endif
+#endif