Function alignsWith

docs/app/js/sanddance-app.js:121967–121969

(b8)

        return b7 && this.x1 <= b7.x1 && this.x2 >= b7.x2 && this.y1 <= b7.y1 && this.y2 >= b7.y2;
    },
    alignsWith (b8) {
        return b8 && (this.x1 == b8.x1 || this.x2 == b8.x2 || this.y1 == b8.y1 || this.y2 == b8.y2);
    },
    intersects (b9) {
        return b9 && !(this.x2 < b9.x1 || this.x1 > b9.x2 || this.y2 < b9.y1 || this.y1 > b9.y2);
    },