From fbbb9658d4d90a1080d28f3a720d2777939e8cb6 Mon Sep 17 00:00:00 2001
From: Philipp Sehmisch <crush@themanaworld.org>
Date: Sun, 14 Dec 2008 17:03:30 +0100
Subject: Passing vectors by reference

---
 src/particle.cpp | 45 ++++++++++++++++++++++-----------------------
 1 file changed, 22 insertions(+), 23 deletions(-)

(limited to 'src/particle.cpp')

diff --git a/src/particle.cpp b/src/particle.cpp
index f73bd222..1f067de3 100644
--- a/src/particle.cpp
+++ b/src/particle.cpp
@@ -228,26 +228,25 @@ bool Particle::update()
     }
 
     return true;
-}
-
-void Particle::moveBy(Vector change)
-{
-    mPos += change;
-    for (ParticleIterator p = mChildParticles.begin();
-         p != mChildParticles.end();
-         p++)
-    {
-        if ((*p)->doesFollow())
-        {
-            (*p)->moveBy(change);
-        }
-    }
-    return;
-}
-
-void Particle::moveTo(float x, float y)
-{
-    moveTo(Vector(x, y, mPos.z));
+}
+
+void Particle::moveBy(const Vector &change)
+{
+    mPos += change;
+    for (ParticleIterator p = mChildParticles.begin();
+         p != mChildParticles.end();
+         p++)
+    {
+        if ((*p)->doesFollow())
+        {
+            (*p)->moveBy(change);
+        }
+    }
+}
+
+void Particle::moveTo(float x, float y)
+{
+    moveTo(Vector(x, y, mPos.z));
 }
 
 Particle* Particle::addEffect(const std::string &particleEffectFile,
@@ -297,12 +296,12 @@ Particle* Particle::addEffect(const std::string &particleEffectFile,
         // Read and set the basic properties of the particle
         float offsetX = XML::getFloatProperty(effectChildNode, "position-x", 0);
         float offsetY = XML::getFloatProperty(effectChildNode, "position-y", 0);
-        float offsetZ = XML::getFloatProperty(effectChildNode, "position-z", 0);
+        float offsetZ = XML::getFloatProperty(effectChildNode, "position-z", 0);
         Vector position (mPos.x + (float)pixelX + offsetX,
                          mPos.y + (float)pixelY + offsetY,
                          mPos.z + offsetZ);
-        newParticle->moveTo(position);
-
+        newParticle->moveTo(position);
+
         int lifetime = XML::getProperty(effectChildNode, "lifetime", -1);
         newParticle->setLifetime(lifetime);
 
-- 
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