point2d.java

空战游戏,来自java2 编程第五版源码

import java.applet.*;
import java.awt.*;

class Point2D
{			
	public int x;
	public int y;

	static int ScreenWidth;
	static int ScreenHeight;

	public Point2D()
	{
	}

	static public Point2D Projection(Vector3D v)
	{
		Point2D p = new Point2D();
		p.x = (int)(v.xt * 128 / v.zt) + (ScreenWidth/2);
		p.y = (int)(v.yt * 128 / v.zt) + (ScreenHeight/2);
		return p;
	}
}