return the kinetic energy 0.5 mv ^ 2 concode_field_sep CollisionResponse earliestCollisionResponse concode_elem_sep float speedY concode_elem_sep CollisionResponse tempResponse concode_elem_sep float speedX concode_elem_sep float x concode_elem_sep float y concode_elem_sep float radius concode_elem_sep CollisionResponse thisResponse concode_elem_sep CollisionResponse anotherResponse concode_field_sep void intersect concode_elem_sep void intersect concode_elem_sep float getSpeed concode_elem_sep float getMass concode_elem_sep void update concode_elem_sep float getMoveAngle
float function ( ) { return 0.5f * getMass ( ) * ( speedX * speedX + speedY * speedY ) ; }