import java.awt.*;

//--- tile class ---
public class tile {
	final int NORTH=0;
	final int EAST=1;
	final int SOUTH=2;
	final int WEST=3;

	final int MAXTIME = 1000;

	boolean showHide=true,drawMe=true;
	int dir;
	long animateTime;

	public void flip(int ndir){
		showHide = !showHide;
		drawMe = true;
		dir = ndir;
		animateTime = System.currentTimeMillis();
	}

	public Rectangle showRect(Rectangle r){
		return (showHide?shrink(r):grow(r));
	}


	public Rectangle hideRect(Rectangle r){
		return (showHide?grow(r):shrink(r));
	}


	public boolean redraw(){return drawMe;}


//--- private functions ---
	Rectangle shrink(Rectangle or){
	Rectangle r = new Rectangle(or.x,or.y,or.width,or.height);
	long time = System.currentTimeMillis() - animateTime;

		if (time>MAXTIME) {
			time = MAXTIME;
			drawMe = false;
		}

		int dwide = r.width-r.x;
		int dhigh = r.height-r.y;
		int back = MAXTIME - (int)time;

		switch (dir) {
			case NORTH: r.y += dhigh * back/MAXTIME; break;
			case SOUTH: r.height -= dhigh * back/MAXTIME; break;
			case WEST: r.x += dwide * back/MAXTIME; break;
			case EAST: r.width -= dwide * back/MAXTIME; break;
		}

		return r;
	}

	Rectangle grow(Rectangle or){
	Rectangle r = new Rectangle(or.x,or.y,or.width,or.height);
	long time = System.currentTimeMillis() - animateTime;

		if (time>MAXTIME) {
			time = MAXTIME;
			drawMe = false;
		}

		int dwide = r.width-r.x;
		int dhigh = r.height-r.y;

		switch (dir) {
			case NORTH: r.height -= dhigh * time/MAXTIME; break;
			case SOUTH: r.y += dhigh * time/MAXTIME; break;
			case WEST: r.width -= dwide * time/MAXTIME; break;
			case EAST: r.x += dwide * time/MAXTIME; break;
		}

		return r;

	}
}