void function ( int arg0 ) { visionPower = arg0 ; }
change the char 's vision power how far they can see concode_field_sep String[] characterInventory concode_elem_sep int DEFAULT_VISION concode_elem_sep XYCoordinates charXYCoords concode_elem_sep int visionPower concode_field_sep void moveEast concode_elem_sep void displayInventory concode_elem_sep void moveSouth concode_elem_sep void moveWest concode_elem_sep void moveNorth concode_elem_sep void moveCharacter concode_elem_sep int getVisionPower concode_elem_sep int getCharY concode_elem_sep int getCharX