diff options
Diffstat (limited to '2d/texture.scm')
| -rw-r--r-- | 2d/texture.scm | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/2d/texture.scm b/2d/texture.scm index 0db72a2..2276025 100644 --- a/2d/texture.scm +++ b/2d/texture.scm @@ -108,20 +108,21 @@ Currently only works with RGBA format surfaces." "Loads a texture from a file." (surface->texture (SDL:load-image filename))) -(define* (texture-quad texture x y w h #:optional (color '(1 1 1))) +(define* (texture-quad texture x y w h #:optional (color '(1 1 1)) + (u 0) (v 0) (u2 1) (v2 1)) "Renders a textured quad." (let ((x2 (+ x w)) (y2 (+ y h))) (with-gl-bind-texture (texture-target texture-2d) (texture-id texture) (gl-begin (begin-mode quads) (apply gl-color color) - (gl-texture-coordinates 0 0) + (gl-texture-coordinates u v) (gl-vertex x y) - (gl-texture-coordinates 1 0) + (gl-texture-coordinates u2 v) (gl-vertex x2 y) - (gl-texture-coordinates 1 1) + (gl-texture-coordinates u2 v2) (gl-vertex x2 y2) - (gl-texture-coordinates 0 1) + (gl-texture-coordinates u v2) (gl-vertex x y2))))) ;;; |