jonasborn

class Bishop {

    constructor(width, height, startx = null, starty = null) {
        if (startx == null) startx = Math.round(width / 2)
        if (starty == null) starty = Math.round(height / 2)
        this.startx = startx
        this.starty = starty
        this.width = width;
        this.height = height;
        this.clearMap()