Function: pong-update-bat
pong-update-bat is a byte-compiled function defined in pong.el.gz.
Signature
(pong-update-bat X Y)
Documentation
Move a bat (suppress a cell and draw another one on the other side).
Source Code
;; Defined in /usr/src/emacs/lisp/play/pong.el.gz
(defun pong-update-bat (x y)
"Move a bat (suppress a cell and draw another one on the other side)."
(cond
((string-equal (buffer-name (current-buffer)) pong-buffer-name)
(gamegrid-set-cell x y pong-bat)
(gamegrid-set-cell x (1- (+ y pong-bat-width)) pong-bat)
(if (> y 1)
(gamegrid-set-cell x (1- y) pong-blank))
(if (< (+ y pong-bat-width) (1- pong-height))
(gamegrid-set-cell x (+ y pong-bat-width) pong-blank)))))