import java.awt.*;
import java.lang.*;
import java.io.*;

public interface Item extends Serializable
{
	public String toString();
	public boolean contains(int x, int y);
	public double zIntersect(int x, int y) throws ItemException;
	public double zIntersectVerbose(int x, int y) throws ItemException;
	public Color getColorAt(int x, int y, double z);
	public Color getColorAt(double x, double y, double z);
	public void setWorld(World w);
	public double maxZ() throws ItemException;
	public void translate(int deltax, int deltay, int deltaz);
}