public class Scaler extends Transformer {
    static Vector3D identity_ = new Vector3D(1,1,1);
    Scaler() {
        curr_.copy(identity_);
    }
    Scaler(Transformed child) {
        super(child);
        curr_.copy(identity_);
    }
    Scaler(Vector3D val) {
        change(val);
    }
    Scaler(Vector3D val,Transformed child) {
        super(child);
        change(val);
    }
    String id() {
        return "sca";
    }
	void recalc(Vector3D value) {
		mat_.scaler(value);
	}
}