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(use-modules ((sdl sdl) #:prefix SDL:)
(figl gl)
(2d sprite)
(2d game-loop)
(2d window)
(2d vector))
(define window-width 800)
(define window-height 600)
(define sprite #f)
(define (key-down key)
(case key
;; Quit program when ESCAPE or Q is pressed.
((SDLK_ESCAPE SDLK_q)
(close-window)
(quit))))
(define (render)
(draw-sprite sprite))
;; Register callbacks.
(set-render-callback (lambda () (render)))
(set-key-down-callback (lambda (key) (key-down key)))
;; Open the window.
(open-window window-width window-height)
;; Load a sprite.
;; Must be done AFTER opening the window.
(set! sprite (load-sprite "sprite.png" #:position (vector (/ window-width 2)
(/ window-height 2))))
;; Start the game loop.
;; The render callback will be called through this procedure.
(run-game-loop)
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