Point function ( ) { return start ; }
initialize the start point . concode_field_sep Point start concode_elem_sep Point end concode_elem_sep double slope concode_field_sep boolean isIntersecting concode_elem_sep Point closestIntersectionToStartOfLine concode_elem_sep double getSlope concode_elem_sep Point middle concode_elem_sep Point intersectionWith concode_elem_sep boolean equals concode_elem_sep double length concode_elem_sep Point end concode_elem_sep void drawOn concode_elem_sep double slope