tank.h

来自「坦克小游戏源码」· C头文件 代码 · 共 57 行

//class for tank
#include "Globe.h"
class CTank
{
public:
	float	speed;	//tank speed
	float	x,y;			//tank poz
	float	dx,dy;
	float	friction;
	float	rotation;
	hgeSprite	*tank_spr;
	CTank(float x,float y,float speed,float friction)	//tank construct method
	{
		this->x = x;
		this->y = y;
		this->speed = speed;
		this->friction = friction;
		dx = dy = 0.0;
	}
	void Forward()
	{
		dx*=friction; dy*=friction; x+=dx; y+=dy;
	}
	void Fire()											//tank fire method
	{

	}
	void Move(int direction,float dt)											//tank move method
	{
		switch(direction)
		{
		case 1:
			dy -= speed*dt;
			rotation = 2*M_PI;
			break;
		case 2:
			dx += speed*dt;
			rotation = 2*M_PI*0.25f;
			break;
		case 3:
			dy += speed*dt;
			rotation = 2*M_PI*0.5f;
			break;
		case 4:
			dx -= speed*dt;
			rotation = 2*M_PI*0.75f;
			break;
		}
	}
	void Draw()											//tank draw method
	{
		
		tank_spr->RenderEx(x,y,rotation);
	}
};

CTank *ptank;