// CSE 142 Winter 2008, Marty Stepp
// This file describes a new type of objects named Point.
//
public class Point {
	// fields (data inside each Point object)
	
	int x;     // each Point object has two ints inside it:
	int y;     // x and y.
	
	
	// methods (behavior inside each Point object)
	
	// Adjusts this Point object's location by the given amounts.
	public void translate(int dx, int dy) {
		// This code runs inside a particular Point object.
		// (We say the code runs "in the context of" that object.)
		// The code knows which object that is,
		// and it knows how to access or change that object's fields.

		x = x + dx;    // change "this" Point's x
		y = y + dy;    // change "this" Point's y
	}
	
	// Returns the distance between this Point and the origin, (0, 0).
	public double distanceFromOrigin() {
		// a^2 + b^2 = c^2
		double distance = Math.sqrt(x * x + y * y);
		return distance;
	}
}