Method transformDirection

docs/app/js/sanddance-app.js:72358–72360

(vector, result)

        return this.transformAsPoint(vector, result);
    }
    transformDirection(vector, result) {
        return this.transformAsVector(vector, result);
    }
    makeRotationX(radians) {
        return this.identity().rotateX(radians);
    }