fantasy/painting/shape.js

import Color from "./color.js";

class Shape {
    constructor(x, y, color) {
        this._x = x;
        this._y = y;
        this.color = color;
    }
    draw(context) {
        throw new Error("A pure virtual method call of a shape " + this.constructor.name);
    }

    static get maxX() {
        return maxX;
    }
    static get maxY() {
        return maxY;
    }

    static randomOptions() {
        return {
            x: Math.floor(Math.random() * this.maxX),
            y: Math.floor(Math.random() * this.maxY),
            color: coloring ? Color.random() : Color.randomGray()
        }
    }
    static fromOptions(o) {
        return new Shape(o.x, o.y, o.color);
    }
    static setBounding(w, h) {
        maxX = w;
        maxY = h;
    }
    static setColoring(bool) {
        coloring = bool !== false;
    }
}

let maxX = 1000;
let maxY = 1000;
let coloring = true;

export default Shape;