void function ( double arg0 ) { this . dy = arg0 ; }
set the vertical speed of this entity concode_field_sep double dx concode_elem_sep double dy concode_elem_sep double x concode_elem_sep Sprite sprite concode_elem_sep double y concode_elem_sep Rectangle me concode_elem_sep Rectangle him concode_field_sep void move concode_elem_sep int getX concode_elem_sep int getY concode_elem_sep boolean collidesWith concode_elem_sep void setHorizontalMovement concode_elem_sep double getHorizontalMovement concode_elem_sep void collidedWith concode_elem_sep void draw concode_elem_sep double getVerticalMovement concode_elem_sep void doLogic