(setq screen nil)))
(defun set-2d-mode ()
- (cond ((3d-mode?)
+ (cond ((not (3d-mode?))
(init-video-mode)
(glDisable GL_DEPTH_TEST)
(apply-mode-change))))
(defun set-3d-mode ()
- (cond ((not (3d-mode?))
+ (cond ((3d-mode?)
(init-video-mode)
(glClearDepth 1)
(glEnable GL_DEPTH_TEST)