package ShapesInterface;

/**
 * Demo file, it may not be correct and/or complete.
 * Please watch the corresponding lecture(s) for more explanations.
 * Circle class
 *
 * @author ashesh
 */
public class Circle implements ShapeI {
	protected static final double pi = 3.14159;
	int x, y;
	protected int r;
	protected static int count_circle = 0;

	/**
	 * No-arg constructor
	 */
	public Circle() {
		this.x = 1;
		this.y = 1;
		this.r = 1;
		count_circle++;
	}

	public Circle(int r) {
		this();
		this.r = r;
	}

	/**
	 * Constructor with 2 args
	 * @param x x axis
	 * @param y y axis
	 */
	public Circle(int x, int y) {
		this.setX(x);
		this.setY(y);
		count_circle++;
	}

	/**
	 * Constructor with 3 args
	 * @param x x axis
	 * @param y y axis
	 * @param r radius
	 */
	public Circle(int x, int y, int r) {
		// First call the constructor Circle(int x, int y)
		// from this class
		this(x, y);

		// Now set r
		this.setR(r);
	}

	/**
	 * The method returns circumference of the circle
	 * @return circumference of the circle
	 */
	public double circumference() {
		return 2 * pi * r;
	}

	/**
	 * The method returns area of the circle
	 * @return  area of the circle
	 */
	public double area() {
		return pi * r * r;
	}

	public int getX() {
		return x;
	}

	public void setX(int x) {
		this.x = x;
	}

	public int getY() {
		return y;
	}

	public void setY(int y) {
		this.y = y;
	}

	public int getR() {
		return r;
	}

	public void setR(int r) {
		this.r = r;
	}

	@Override
	public boolean equals(Object obj) {
		if (obj == null) {
			return false;
		}
		if (this.getClass() != obj.getClass()) {
			return false;
		}

		Circle other = (Circle) obj;
		return other.x == this.x && other.y == this.y && other.r == this.r;
	}
}