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tried converting cube to sdl... and tried adding fps counter to 3bb

This commit is contained in:
Dan Ballard 2011-06-30 09:08:12 -07:00
parent 5b0900ca93
commit 763300daf0
2 changed files with 35 additions and 4 deletions
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16
3bb-1.lisp
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@ -36,6 +36,9 @@
(rotate-vertex (second tri) time)
(rotate-vertex (third tri) time)))
(defparameter *last-time* nil)
(defparameter *num-frames* 0)
(defun draw ()
"draw a frame"
(let* ((time (- (wall-time) *start-time*))
@ -61,7 +64,18 @@
;; finish the frame
(gl:flush)
(sdl:update-display)))
(sdl:update-display)
(incf *num-frames*)
;(if (not (eql (floor *last-time*) time))
(let* ((short-interval (- time (if *last-time* *last-time* time)))
(long-interval (- time *start-time*))
(short-fps (if (zerop short-interval) 0 (/ 1 short-interval)))
(long-fps (if (zerop long-interval) 0 (/ *num-frames* long-interval))))
(format t "FPS since last:~a->~a since start:~a/~a->~a ~%" short-interval short-fps *num-frames* long-interval long-fps))))
(setf *last-time* (wall-time)))

21
cube.lisp
View File

@ -1,3 +1,9 @@
(defmacro restartable (&body body)
`(restart-case
(progn ,@body)
(continue () :report "Continue")))
(defparameter *light-diffuse* (vector 1.0 0.0 0.0 1.0)) ;; red diffuse light
(defparameter *light-position* (vector 1.0 1.0 1.0 0.0)) ;; infinite light position
@ -27,10 +33,13 @@
(dotimes (x 4)
(gl:vertex (3delt face x *v* 0) (3delt face x *v* 1) (3delt face x *v* 1)))))))
(cffi:defcallback display :void ()
;(cffi:defcallback display :void ()
(defun display ()
(gl:clear :color-buffer-bit :depth-buffer-bit)
(draw-box)
;;glut:swap-buffers
(gl:flush)
(sdl:update-display)
)
(defun init ()
@ -55,7 +64,7 @@
(gl:rotate 60 1.0 0.0 0.0)
(gl:rotate -20 0.0 0.0 1.0))
(defun cube-main ()
(defun cube-main-glut ()
(glut:init "Cube")
(glut:init-display-mode :double :rgb :depth)
(glut:create-window "red 3D lighted cube")
@ -64,3 +73,11 @@
(glut:main-loop)
)
(defun cube-main-sdl ()
(sdl:with-init ()
(sdl:window 320 240 :flags sdl:sdl-opengl)
(setf cl-opengl-bindings:*gl-get-proc-address* #'sdl-cffi::sdl-gl-get-proc-address)
(sdl:with-events ()
(:quit-event () t)
(:idle ()
(restartable (display))))))