From d07f27c128e946b49971f4d3d9e6dfec81ce2b8b Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Thu, 19 May 2016 19:44:42 +0300
Subject: Split childs update code depend is current particle alive or not.

---
 src/particle/particle.cpp | 66 +++++++++++++++++++++++++++++++----------------
 1 file changed, 44 insertions(+), 22 deletions(-)

(limited to 'src/particle')

diff --git a/src/particle/particle.cpp b/src/particle/particle.cpp
index 8ebde0a2b..b28e3a819 100644
--- a/src/particle/particle.cpp
+++ b/src/particle/particle.cpp
@@ -235,10 +235,10 @@ void Particle::updateSelf() restrict2
 
 bool Particle::update() restrict2
 {
-    const Vector oldPos = mPos;
-
     if (mAlive == AliveStatus::ALIVE)
     {
+        const Vector oldPos = mPos;
+
         if (mLifetimeLeft == 0)
         {
             mAlive = AliveStatus::DEAD_TIMEOUT;
@@ -308,6 +308,30 @@ bool Particle::update() restrict2
             // move particle with its parent if desired
             (*p)->moveBy(change);
         }
+
+        // Update child particles
+        for (ParticleIterator p = mChildParticles.begin(),
+             fp2 = mChildParticles.end(); p != fp2; )
+        {
+            Particle *restrict const particle = *p;
+            // update particle
+            if (particle->update())
+            {
+                ++p;
+            }
+            else
+            {
+                mChildMoveParticles.remove(*p);
+                delete particle;
+                p = mChildParticles.erase(p);
+            }
+        }
+        if (mAlive != AliveStatus::ALIVE &&
+            mChildParticles.empty() &&
+            mAutoDelete)
+        {
+            return false;
+        }
     }
     else
     {
@@ -317,31 +341,29 @@ bool Particle::update() restrict2
                 return false;
             return true;
         }
-    }
-
-    // Update child particles
-    for (ParticleIterator p = mChildParticles.begin(),
-         fp2 = mChildParticles.end(); p != fp2; )
-    {
-        Particle *restrict const particle = *p;
-        // update particle
-        if (particle->update())
+        // Update child particles
+        for (ParticleIterator p = mChildParticles.begin(),
+             fp2 = mChildParticles.end(); p != fp2; )
         {
-            ++p;
+            Particle *restrict const particle = *p;
+            // update particle
+            if (particle->update())
+            {
+                ++p;
+            }
+            else
+            {
+                mChildMoveParticles.remove(*p);
+                delete particle;
+                p = mChildParticles.erase(p);
+            }
         }
-        else
+        if (mChildParticles.empty() &&
+            mAutoDelete)
         {
-            mChildMoveParticles.remove(*p);
-            delete particle;
-            p = mChildParticles.erase(p);
+            return false;
         }
     }
-    if (mAlive != AliveStatus::ALIVE &&
-        mChildParticles.empty() &&
-        mAutoDelete)
-    {
-        return false;
-    }
 
     return true;
 }
-- 
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