// D3VecTo2D.java
// ３次元 Vector => ２次元
// Copyright (C) 1996, 1997 Y.Nagatani
// nagatani@eken.phys.nagoya-u.ac.jp

public class D3VecToD2 {
	public int	xCenter,	yCenter;
	public double	scale;
	public double	depth;
	
	D3VecToD2 () {
		xCenter = 150;
		yCenter = 125;
		scale = 85;
		depth = 1.5;
	}
	D3VecToD2 (int xCent, int yCent, double scale, double depth) {
		this.xCenter = xCent;
		this.yCenter = yCent;
		this.scale = scale;
		this.depth = depth;
	}
	int [] transf (D3Vector V) {
		int	XY[] = new int [2];
		XY[0] = xCenter + (int) (V.x / (-V.z + depth) * depth * scale);
		XY[1] = yCenter + (int) (V.y / (-V.z + depth) * depth * scale);
		return	XY;
	}
}