fix: trail incorrect offset

close #335
mob-sakai · Nov 1, 2024 · afe00a1 · afe00a1
1 parent c1e3d68
commit afe00a1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/Packages/src/Runtime/UIParticleRenderer.cs b/Packages/src/Runtime/UIParticleRenderer.cs
@@ -542,6 +542,12 @@ private Matrix4x4 GetWorldMatrix(Vector3 psPos, Vector3 scale)
                     return Matrix4x4.Translate(psPos)
                            * Matrix4x4.Scale(scale);
                 case ParticleSystemSimulationSpace.World:
+                    if (_isTrail)
+                    {
+                        return Matrix4x4.Translate(psPos)
+                               * Matrix4x4.Scale(scale)
+                               * Matrix4x4.Translate(-psPos);
+                    }
                     return Matrix4x4.Scale(scale);
                 case ParticleSystemSimulationSpace.Custom:
                     return Matrix4x4.Translate(_particleSystem.main.customSimulationSpace.position.GetScaled(scale))