fix: sub-emitter particles may not render correctly in certain scenarios

close #348
2025-01-03 22:50:36 +09:00 · 2025-01-03 22:50:36 +09:00 · 8276684c3b
parent 67de3d1bd3
commit 8276684c3b
1 changed files with 18 additions and 0 deletions
--- a/Packages/src/Runtime/UIParticleRenderer.cs
+++ b/Packages/src/Runtime/UIParticleRenderer.cs
@ -548,6 +548,24 @@ namespace Coffee.UIExtensions
                               * Matrix4x4.Scale(scale)
                               * Matrix4x4.Translate(-psPos);
                    }
+
+                    if (_mainEmitter)
+                    {
+                        if (_mainEmitter.IsLocalSpace())
+                        {
+                            return Matrix4x4.Translate(psPos)
+                                   * Matrix4x4.Scale(scale)
+                                   * Matrix4x4.Translate(-psPos);
+                        }
+                        else
+                        {
+                            psPos = _particleSystem.transform.position - _mainEmitter.transform.position;
+                            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))