// CSE 142 Lecture 18
// PrintStreams, Objects
// This class represents a Point object.

import java.awt.*;

public class Point {
	// Each Point stores its x and y position in fields
	// We made the fields private so clients can't directly access them
	private int x;
	private int y;
	
	// A constructor that lets us set the x and y in one call
	// Our points are restricted from (0, 0) to (199, 199)
	public Point(int x, int y) {
		this.x = x % 200;
		this.y = y % 200;
	}
	
	// A zero-argument constructor that gives us a point at the origin
	public Point() {
		// This line calls the other constructor so we don't have redundant code
		this(0, 0);
	}
	
	// We added x and y accessors so that clients can get the x an y coordinates
	// but can't change the fields directly. If clients could access x and y
	// directly, they could break our (0, 0) to (199, 199) restriction.
	public int getX() {
		return x;
	}
	
	public int getY() {
		return y;
	}
	
	// Draws this point using the passed Graphics object
	public void draw(Graphics g) {
		g.fillOval(x, y, 3, 3);
		g.drawString(toString(), x, y);
	}
	
	// Prints the coordinates of this Point to System.out
	public String toString() {
		return "(" + x + ", " + y + ")";
	}
	
	// Find the distance from this point to the passed Point
	public double distance(Point p) {
		return Math.sqrt(Math.pow(x - p.x, 2) + Math.pow(y - p.y, 2));
	}
	
	// Set the location of this point
	public void setLocation(int x, int y) {
		this.x = x % 200;
		this.y = y % 200;
	}
	
	// Translate this point by (dx, dy)
	public void translate(int dx, int dy) {
		x = x + dx;
		y = y + dy;
		x %= 200;
		y %= 200;
	}
}