//
//
// Circle
//
//
import java.awt.*;


public class Circle 
{
	int x0=0,y0=0,r=1,d=2,r2=1,x2=0,y2=0,xd=-1,yd=-1;
	Color c=Color.black;

	public Circle(int X0, int Y0, int R){
		NewCircle(X0,Y0,R,Color.black);
	}

	public Circle(int X0, int Y0, int R, Color C){
	 	NewCircle(X0,Y0,R,C);
	}

	public void NewCircle(int X0, int Y0, int R, Color C){
		x0=X0;
		y0=Y0; 
		r=R; d=2*r; r2=r*r;
		xd=x0-r; yd=y0-r;
		c=C;
	}

	public void Draw(Graphics g){
		g.setColor(c);
		g.drawOval(xd,yd,d,d);
	}

	public void DrawFilled(Graphics g, Color FillColor){
		g.setColor(FillColor);
		g.fillOval(xd,yd,d,d);
	}

	public boolean Inside(int X, int Y){
		x2=X-x0; x2=x2*x2;
		y2=Y-y0; y2=y2*y2;
		if (x2+y2<r2) return true;
		return false;
	}

	public boolean Inside(Point p){
		x2=p.x-x0; x2=x2*x2;
		y2=p.y-y0; y2=y2*y2;
		if (x2+y2<r2) return true;
		return false;
	}









}