From 0cf4ae88c5d31a7bd97142dc95696f4f111f6321 Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Fri, 24 May 2024 17:36:35 +0900
Subject: [PATCH] fix: the ParticleSystem's localPosition drifts at certain
scales due to floating-point precision issues
close #299, close #312
---
Runtime/UIParticleRenderer.cs | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Runtime/UIParticleRenderer.cs b/Runtime/UIParticleRenderer.cs
index 5096049..4c7879c 100644
--- a/Runtime/UIParticleRenderer.cs
+++ b/Runtime/UIParticleRenderer.cs
@@ -614,6 +614,8 @@ namespace Coffee.UIExtensions
// get world position.
var isLocalSpace = _particleSystem.IsLocalSpace();
var psTransform = _particleSystem.transform;
+ var originLocalPosition = psTransform.localPosition;
+ var originLocalRotation = psTransform.localRotation;
var originWorldPosition = psTransform.position;
var originWorldRotation = psTransform.rotation;
var emission = _particleSystem.emission;
@@ -636,7 +638,8 @@ namespace Coffee.UIExtensions
: originWorldPosition.GetScaled(scale.Inverse());
psTransform.SetPositionAndRotation(scaledPos, originWorldRotation);
_particleSystem.Simulate(deltaTime, false, false, false);
- psTransform.SetPositionAndRotation(originWorldPosition, originWorldRotation);
+ psTransform.localPosition = originLocalPosition;
+ psTransform.localRotation = originLocalRotation;
}
#if UNITY_EDITOR