public boolean equals(Object obj) {
        if (obj == this) {
            return true;
        }
        if (!(obj instanceof VectorRenderer)) {
            return false;
        }
        VectorRenderer that = (VectorRenderer) obj;
        if (this.baseLength != that.baseLength) {
            return false;
        }
        if (this.headLength != that.headLength) {
            return false;
        }
        return super.equals(obj);