1 files changed, 47 insertions, 19 deletions
diff --git a/src/libjin/Graphics/particle/je_particle.h b/src/libjin/Graphics/particle/je_particle.h
index d32d9fe..474e15b 100644
--- a/src/libjin/Graphics/particle/je_particle.h
+++ b/src/libjin/Graphics/particle/je_particle.h
@@ -8,33 +8,61 @@ namespace JinEngine
     namespace Graphics
     {
 
+        class ParticleSystem;
+
         ///
-        /// Single particle. Grab from love2d.
+        /// A single particle contains various properties of particle, such as position, accelaration, color and 
+        /// other attributes changed over time.
         ///
-        class Particle
+        struct Particle
         {
-        public:
+            ///
+            /// Whole life time.
+            ///
+            float lifeTime = 0.0f;
+
+            ///
+            /// Current life time.
+            ///
+            float life = 0.0f;
+
+            ///
+            /// Current position.
+            ///
+            float position[2] = {0,0};
+
+            ///
+            /// Emitte direction.
+            /// 
+            float direction = 0; 
+
+            Math::Vector2<float> speed; 
+            Math::Vector2<float> linearAcceleration;
+            float radialAcceleration = 0; 
+            float tangetialAcceleration = 0;
 
-        private:
-            float mLifeTime;
-            float mLife;
-            float mPosition[2];
-            float mDirection; 
+            ///
+            /// Size over lifetime.
+            ///
+            float size = 1; 
+            float sizeBegin = 1; 
+            float sizeEnd = 1;
 
-            Math::Vector2<float> mSpeed; 
-            float mGravity; 
-            float mRadialAcceleration; 
-            float mTangetialAcceleration;
+            float rotation = 0;
+            float angle = 0;
 
-            float mSize; 
-            float mSizeStart;
-            float mSizeEnd; 
+            ///
+            /// Color over lifetime.
+            ///
+            Color color = Color::WHITE;
+            Color colorStart = Color::WHITE;
+            Color colorEnd = Color::WHITE;
 
-            float mRotation; 
-            float mSpinStart; 
-            float mSpinEnd; 
+            ///
+            /// Is particle still alive? Alive is equivalent to NOT available in particle pool.
+            ///
+            bool alive = false;
 
-            float color[4];
         };
 
     } // namespace Graphics