class_aimsign.java

05年游戏学院一个学生写的项目

import javax.microedition.lcdui.Image;
// Download by http://www.codefans.net
public class Class_AimSign extends Class_GameObject
{
	public Class_AimSign(Image img,byte width,byte height)
	{
		super(img,width,height);
	}
	
	//处理移动
	public void setMove(Class_Tank ct)
	{
		short refPixelX,refPixelY;
		//根据坦克朝向、坦克瞄准角度、坦克倾斜角度、坦克坐标来计算瞄准器坐标
		if(!ct.isTowardsRight)
		{
			refPixelX=(short) (ct.getX()-20*cos[ct.aimAngle/3]/10000);
			refPixelY=(short) (ct.getY()-20*sin[ct.aimAngle/3]/10000);
		}else
		{
			refPixelX=(short) (ct.getX()+ct.getWidth()+20*cos[ct.aimAngle/3]/10000);
			refPixelY=(short) (ct.getY()-20*sin[ct.aimAngle/3]/10000);
		}
		setRefPixelPosition(refPixelX,refPixelY);
		System.gc();
	}
}