Ellipse.java

package csg;

import javax.swing.*;
import java.awt.*;
import java.awt.geom.Ellipse2D;

class Ellipse extends Geometry {
    double aRad;
    double bRad;
    int x, y;
    double rotation;

    Ellipse(Op op) {
	super(op);
	aRad = 20;
	bRad = 10;
	x = 10;
	y = 5;
	rotation = 0;
    }

    Ellipse(Op op, int x, int y, double aRad, double bRad) {
	super(op);
	this.aRad = aRad;
	this.bRad = bRad;
	this.x = x;
	this.y = y;
	rotation = 0;
    }

    boolean isHit(int x, int y) {
	return Math.pow(x - this.x, 2) / (aRad * aRad) + Math.pow(y - this.y, 2) / (bRad * bRad) <= 1;
    }

    public String toString() {
	return "Ellipse " + op.name() + " x:" + x + " y:" + y + " a:" + aRad + " b:" + bRad;
    }

    void draw(Graphics g) {
	g.setColor(color);
	Graphics2D g2 = (Graphics2D) g;
	g2.draw(new Ellipse2D.Double(x - aRad, y - bRad, aRad * 2, bRad * 2));
    }

    void corner(Graphics g, int c) {
    }
}