Point function ( Point arg0 ) { return new Point ( arg0 . getX ( ) + this . dx , arg0 . getY ( ) + this . dy ) ; }
take a point with position x , y and return a new point with position x + dx , y + dy . concode_field_sep double dx concode_elem_sep double dy concode_field_sep double getDy concode_elem_sep double getDx concode_elem_sep double getSpeed concode_elem_sep Velocity fromAngleAndSpeed