question: return the length of this vector . concode_field_sep float x concode_elem_sep float y concode_elem_sep long serialVersionUID concode_field_sep Vec2 mulLocal concode_elem_sep Vec2 sub concode_elem_sep Vec2 addLocal concode_elem_sep Vec2 addLocal concode_elem_sep void absToOut concode_elem_sep Vec2 mul concode_elem_sep void crossToOutUnsafe concode_elem_sep void crossToOutUnsafe concode_elem_sep float dot concode_elem_sep void crossToOut concode_elem_sep void crossToOut concode_elem_sep void absLocal concode_elem_sep Vec2 min concode_elem_sep int hashCode concode_elem_sep float normalize concode_elem_sep Vec2 add concode_elem_sep Vec2 negateLocal concode_elem_sep Vec2 set concode_elem_sep Vec2 set concode_elem_sep float lengthSquared concode_elem_sep Vec2 max concode_elem_sep boolean isValid concode_elem_sep float cross concode_elem_sep Vec2 cross concode_elem_sep Vec2 cross concode_elem_sep void negateToOut concode_elem_sep Vec2 abs concode_elem_sep Vec2 abs concode_elem_sep Vec2 subLocal concode_elem_sep Vec2 negate concode_elem_sep void minToOut concode_elem_sep boolean equals concode_elem_sep Vec2 clone concode_elem_sep void setZero concode_elem_sep String toString concode_elem_sep void maxToOut concode_elem_sep Vec2 skew concode_elem_sep void skew
target: float function ( ) { return MathUtils . sqrt ( x * x + y * y ) ; }