"use strict";

class Shape
{
    constructor(x, y) //define coordenadas da forma
    {
        this.x = x;
        this.y = y;
    }

    toString()
    {
        return "(" + this.x + ", " + this.y + ")";
    }

    isCircle()
    {
        return 0;
    }

    isRectangle()
    {
        return 0;
    }
}


class Rectangle extends Shape
{
    constructor(x, y, width, height)
    {
        super(x,y);
        this.width = width;
        this.height = height;
    }

    draw_rectangle(ctx){
        ctx.fillStyle = "#ff0000";
        ctx.fillRect(this.x, this.y, this.width, this.height);
    }

    isRectangle()
    {
        return 1;
    }

}


class Circle extends Shape
{
    constructor(x, y, radius)
    {
        super(x,y);
        this.radius = radius;
    }
    //Polimorfismo
    isCircle(){
        return 1;
    }

    draw_circle(ctx){
        ctx.fillStyle = "#0000cc";
        ctx.beginPath();
        ctx.arc(this.x, this.y, this.radius, 0, 2 * Math.PI);
        ctx.fill();
    }
}