class cParticle {
public:
	cParticle();
	~cParticle();
	void update();
	void setVel();
	void setRandomPosition();
	void setColor();
	void checkStop();
	void checkStart();

public:
	float RGBAs[3];
	float* RGBAPtr = RGBAs;
	float Pos_x, Pos_y, Vel_x, Vel_y, Acc_x, Acc_y;
	long starttime, endtime;
	bool isAlive;
	float lifespan = 1.5;
};