JGE/include/JParticle.h

@@ -0,0 +1,105 @@
+//-------------------------------------------------------------------------------------
+//
+// JGE++ is a hardware accelerated 2D game SDK for PSP/Windows.
+//
+// Licensed under the BSD license, see LICENSE in JGE root for details.
+// 
+// Copyright (c) 2007 James Hui (a.k.a. Dr.Watson) <jhkhui@gmail.com>
+// 
+//-------------------------------------------------------------------------------------
+
+#ifndef __PARTICLE_H__
+#define __PARTICLE_H__
+
+#include "JApp.h"
+#include "JRenderer.h"
+#include "Vector2D.h"
+
+
+#define MAX_KEYS	8
+
+class JParticleData
+{
+public:
+	JParticleData();
+	void Init();
+	void Clear();
+	void AddKey(float keyTime, float keyValue);
+	void Update(float dt);
+	void SetScale(float scale);
+
+	float mCurr;
+	float mTarget;
+	float mDelta;
+	float mTimer;
+	int mKeyCount;
+	int mKeyIndex;
+	float mKeyTime[MAX_KEYS];
+	float mKeyValue[MAX_KEYS];
+
+	float mScale;		
+};
+
+
+enum ParticleField
+{
+	FIELD_SPEED,
+	FIELD_SIZE,
+	FIELD_ROTATION,
+	FIELD_ALPHA,
+	FIELD_RED,
+	FIELD_GREEN,
+	FIELD_BLUE,
+	FIELD_RADIAL_ACCEL,
+	FIELD_TANGENTIAL_ACCEL,
+	FIELD_GRAVITY,
+	FIELD_COUNT
+};
+
+class JParticle
+{
+public:
+
+	bool mActive;
+
+	JParticle();
+	~JParticle();
+
+	bool Update(float dt);
+	void Render();
+	void Init(float lifeTime);
+
+	void InitPosition(float ox, float oy, float xoffset, float yoffset);
+	void SetPosition(float x, float y);
+	void SetQuad(JQuad *quad);
+
+	JParticleData* GetField(int index);
+	JParticleData* GetDataPtr();
+
+	void Move(float x, float y);
+	void SetVelocity(float x, float y);
+	void SetSize(float size);
+
+
+private:
+	static JRenderer*	mRenderer;
+	JQuad* mQuad;
+
+	Vector2D mOrigin;
+	Vector2D mPos;
+	Vector2D mVelocity;
+
+	//float mSpeed;
+	float mSize;
+
+	float mLifetime;
+
+	JParticleData mData[FIELD_COUNT];
+
+
+
+
+};
+
+
+#endif