blob: 8cdfd3a8d60d9028e582d63d07f5c842638e532b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
(use-modules (figl gl)
(2d color)
(2d game-loop)
(2d window)
(2d helpers)
(2d font))
(define window-width 800)
(define window-height 600)
(define font (load-font "fonts/Boxy-Bold.ttf" 48))
(define text "The quick brown fox jumped over the lazy dog.")
(define textbox (make-textbox font text #(320 300) white 'left 200))
;; Open the window.
(open-window window-width window-height)
(define (quit-demo)
(close-window)
(quit))
(define (key-down key mod unicode)
(cond ((any-equal? key 'escape 'q)
(quit-demo))))
;; Draw our sprite
(define (render)
(let ((fps (floor (inexact->exact (current-fps)))))
(with-gl-push-matrix
(apply-color white)
(draw-font font (format #f "FPS: ~d" fps))))
(draw-textbox textbox))
;; Register callbacks.
(add-hook! on-quit-hook (lambda () (quit-demo)))
(add-hook! on-render-hook (lambda () (render)))
(add-hook! on-key-down-hook (lambda (key mod unicode) (key-down key mod unicode)))
;; Start the game loop.
;; The render callback will be called through this procedure.
(run-game-loop)
|
