From bb0860c5d03de85e860fa92b7e34fa795977366d Mon Sep 17 00:00:00 2001
From: Henrique Santiago <henrique_santiago93@hotmail.com>
Date: Fri, 16 Dec 2011 13:32:49 -0200
Subject: [PATCH] particles on center

---
 modules/particle.otpa               | 36 +++++++++++++++++++++--------
 src/framework/graphics/particle.cpp |  2 +-
 src/framework/util/point.h          |  9 ++++----
 3 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/modules/particle.otpa b/modules/particle.otpa
index 44ca84d3..6720a01a 100644
--- a/modules/particle.otpa
+++ b/modules/particle.otpa
@@ -2,24 +2,42 @@ ParticleSystem
     
   AttractionAffector
     destination: 200 200
-    acceleration: 128
-    velocity-reduction-percent: 10
+    acceleration: 64
+    velocity-reduction-percent: 0
 
+  Emitter
+    position: 200 264
+    duration: 12
+    burstRate: 2
+    burstCount: 1
+    delay: 0.5
+
+    particle-duration: 9999
+    particle-position-radius: 0
+    
+    particle-velocity: 64
+    particle-velocity-angle: 0
+    
+    particle-acceleration: 0
+
+    particle-size: 32 32
+    particle-color: #33ff33ff
+    particle-texture: circle2.png
+    
   Emitter
     position: 200 200
-    burstRate: 1
-    burstCount: 128
+    burstRate: 9999999999
+    burstCount: 1
 
-    particle-duration: 2
+    particle-duration: 9999999
     particle-position-radius: 0
     
-    particle-velocity: 128
-    particle-min-velocity-angle: 0
-    particle-max-velocity-angle: 360
+    particle-velocity: 0
+    particle-velocity-angle: 0
     
     particle-acceleration: 0
 
     particle-size: 32 32
-    particle-color: #33ff3344
+    particle-color: #33ff33ff
     particle-texture: circle2.png
 
diff --git a/src/framework/graphics/particle.cpp b/src/framework/graphics/particle.cpp
index 7dce5bdb..5c9289f7 100644
--- a/src/framework/graphics/particle.cpp
+++ b/src/framework/graphics/particle.cpp
@@ -71,5 +71,5 @@ void Particle::update()
     // update acceleration
     m_velocity += m_acceleration * elapsedTime;
 
-    m_rect.moveTo((int)m_position.x, (int)m_position.y);
+    m_rect.moveTo((int)m_position.x - m_size.width() / 2, (int)m_position.y - m_size.height() / 2);
 }
diff --git a/src/framework/util/point.h b/src/framework/util/point.h
index a4683ccf..e13bf740 100644
--- a/src/framework/util/point.h
+++ b/src/framework/util/point.h
@@ -42,23 +42,24 @@ public:
     TSize<T> toSize() const { return TSize<T>(x, y); }
 
     TPoint<T> operator-() const { return TPoint<T>(-x, -y); }
+
     TPoint<T> operator+(const TPoint<T>& other) const { return TPoint<T>(x + other.x, y + other.y); }
     TPoint<T>& operator+=(const TPoint<T>& other) { x+=other.x; y+=other.y; return *this; }
     TPoint<T> operator-(const TPoint<T>& other) const { return TPoint<T>(x - other.x, y - other.y); }
     TPoint<T>& operator-=(const TPoint<T>& other) { x-=other.x; y-=other.y; return *this; }
     TPoint<T> operator*(const TPoint<T>& other) const { return TPoint<T>(x * other.x, y * other.y); }
     TPoint<T>& operator*=(const TPoint<T>& other) { x*=other.x; y*=other.y; return *this; }
-    TPoint<T> operator*(const T v) const { return TPoint<T>(x*v, y*v); }
-    TPoint<T>& operator*=(const T v) { x*=v; y*=v; return *this; }
     TPoint<T> operator/(const TPoint<T>& other) const { return TPoint<T>(x/other.x, y/other.y); }
     TPoint<T>& operator/=(const TPoint<T>& other)   { x/=other.x; y/=other.y; return *this; }
-    TPoint<T> operator/(const T v) const { return TPoint<T>(x/v, y/v); }
-    TPoint<T>& operator/=(const T v) { x/=v; y/=v; return *this; }
 
     TPoint<T> operator+(T other) const { return TPoint<T>(x + other, y + other); }
     TPoint<T>& operator+=(T other) { x+=other; y+=other; return *this; }
     TPoint<T> operator-(T other) const { return TPoint<T>(x - other, y - other); }
     TPoint<T>& operator-=(T other) { x-=other; y-=other; return *this; }
+    TPoint<T> operator*(const T v) const { return TPoint<T>(x*v, y*v); }
+    TPoint<T>& operator*=(const T v) { x*=v; y*=v; return *this; }
+    TPoint<T> operator/(const T v) const { return TPoint<T>(x/v, y/v); }
+    TPoint<T>& operator/=(const T v) { x/=v; y/=v; return *this; }
 
     bool operator<=(const TPoint<T>&other) const { return x<=other.x && y<=other.y; }
     bool operator>=(const TPoint<T>&other) const { return x>=other.x && y>=other.y; }