Method scale

docs/app/js/sanddance-app.js:69331–69335

(scale)

        return this.check();
    }
    scale(scale) {
        if (typeof scale === "number") for(let i = 0; i < this.ELEMENTS; ++i)this[i] *= scale;
        else for(let i1 = 0; i1 < this.ELEMENTS && i1 < scale.length; ++i1)this[i1] *= scale[i1];
        return this.check();
    }
    multiplyByScalar(scalar) {
        for(let i = 0; i < this.ELEMENTS; ++i)this[i] *= scalar;
        return this.check();