(let ((rtri 0) (rquad 0))
  (defun game ()
    (glTranslatef -1.5 0 -10)
    (glRotatef rtri 0 1 0)
    (draw '((1 0 0) (0 1 0)) '((0 1 0) (-1 -1 1)) '((0 0 1) (1 -1 1)))
    (draw '((1 0 0) (0 1 0)) '((0 0 1) (1 -1 1)) '((0 1 0) (1 -1 -1)))
    (draw '((1 0 0) (0 1 0)) '((0 1 0) (1 -1 -1)) '((0 0 1) (-1 -1 -1)))
    (draw '((1 0 0) (0 1 0)) '((0 0 1) (-1 -1 -1)) '((0 1 0) (-1 -1 1)))
    
    (glTranslatef 3 0 0)
    (glRotatef rquad 1 0 0)
    (draw-color '(0 1 0))
    (draw '(1 1 -1) '(-1 1 -1) '(-1 1 1) '(1 1 1))
    (draw-color '(1 0.5 0))
    (draw '(1 -1 1) '(-1 -1 1) '(-1 -1 -1) '(1 -1 -1))
    (draw-color '(1 0 0))
    (draw '(1 1 1) '(-1 1 1) '(-1 -1 1) '(1 -1 1))
    (draw-color '(1 1 0))
    (draw '(1 -1 -1) '(-1 -1 -1) '(-1 1 -1) '(1 1 -1))
    (draw-color '(0 0 1))
    (draw '(-1 1 1) '(-1 1 -1) '(-1 -1 -1) '(-1 -1 1))
    (draw-color '(1 0 1))
    (draw '(1 1 -1) '(1 1 1) '(1 -1 1) '(1 -1 -1))

    (incf rtri 0.2)
    (incf rquad -0.15)))

(let ((rquad 0) (texture (load-texture "../nehe/lesson06/data/nehe.bmp")))
  (defun cube-texture ()
    (glTranslatef -1.5 0 -10)
    (glRotatef rquad 0 1 0)
    (draw-quad '(1 1 -1) '(-1 1 -1) '(-1 1 1) '(1 1 1) :texture texture)
    (draw-quad '(1 -1 1) '(-1 -1 1) '(-1 -1 -1) '(1 -1 -1) :texture texture)
    (draw-quad '(1 1 1) '(-1 1 1) '(-1 -1 1) '(1 -1 1) :texture texture)
    (draw-quad '(1 -1 -1) '(-1 -1 -1) '(-1 1 -1) '(1 1 -1) :texture texture)
    (draw-quad '(-1 1 1) '(-1 1 -1) '(-1 -1 -1) '(-1 -1 1) :texture texture)
    (draw-quad '(1 1 -1) '(1 1 1) '(1 -1 1) '(1 -1 -1) :texture texture)
    (incf rquad 0.2)))

(let ((xrot 0) (yrot 0) (zrot 0)
      (texture (load-texture "../nehe/lesson07/data/crate.bmp"))
      (light (add-light :light '(1 1 1 1) :position '(0 0 2 1) :ambient '(0.5 0.5 0.5 1))))
  (defun quad ()
    (glLoadIdentity)
    (glColor3f 1 1 1)
    (glEnable GL_TEXTURE_2D)
    (glTranslatef -2 0 -13)
    (rotate xrot yrot zrot)
    (draw-cube :size 1 :texture texture)
    (incf xrot 0.3)
    (incf yrot 0.2)
    (incf zrot 0.4)))

(let ((xrot 0) (yrot 0) (zrot 0)
      (texture (load-texture "../nehe/lesson08/data/glass.bmp")))
  (defun quad2 ()
    (glLoadIdentity)
    (glColor3f 1 1 1)
    (glEnable GL_TEXTURE_2D)
    (glTranslatef 2 0 -13)
    (rotate xrot yrot zrot)
    (draw-cube :size 1 :texture texture)
    (incf xrot -0.3)
    (incf yrot -0.2)
    (incf zrot -0.4)))

(run-game "GL Test" (quad) (quad2))
(quit-game)