#ifndef _PARTICLE_H
#define _PARTICLE_H

Particle *NewParticle(/* int number */);
void InitParticle(/* Particle *p, int id, int mass,
		   float posX, float posY, float velX, float velY, 
		   float accX, float accY */);
void RandInitParticle(/* Particle *p, int id,
			 float minX, maxX, minY, maxY*/);
void AssignParticle(/* Particle *pLeft, Particle *pRight */);
void PrintParticle(/* Particle *p */);

#endif /* _PARTICLE_H */