blob: 49893ad196fef1dba3a0f74506920ca755ae12d9 (
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
|
(use-modules (2d game)
(2d shader)
(2d sprite)
(2d vector2)
(2d window))
(load "common.scm")
(define vertex-shader
(load-vertex-shader "shaders/vertex-shader.glsl"))
(define fragment-shader
(load-fragment-shader "shaders/fragment-shader.glsl"))
(define program (make-shader-program vertex-shader fragment-shader))
(define window-width 800)
(define window-height 600)
(define sprite
(load-sprite "images/p1_front.png"
#:position (vector2 (/ window-width 2)
(/ window-height 2))))
(define (draw dt alpha)
(with-shader-program program
;; Shake the sprite around a bit.
(uniforms ((angle (/ (random:uniform) 100)))
(draw-sprite sprite))))
(add-hook! draw-hook draw)
(with-window (make-window #:title "Shaders"
#:resolution (vector2 window-width
window-height))
(run-game-loop))
|
