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[gacela.git] / gacela_draw.lisp

diff --git a/gacela_draw.lisp b/gacela_draw.lisp
index feaf0c39d75b063c6275e3396cf9637e8537a39e..7a6dca6e08e3c9782b1cd233b74418bbc266baec 100644 (file)
--- a/gacela_draw.lisp
+++ b/gacela_draw.lisp
@@ -56,7 +56,9 @@
 (defun draw-image-function (filename)
   (multiple-value-bind
    (texture width height) (load-texture filename)
-        (cond (texture))))
+        (cond (texture
+              (lambda (&optional (f 1))
+                (draw-rectangle (* f width) (* f height) :texture texture))))))
 
 (defun draw-quad (v1 v2 v3 v4 &key texture color)
   (cond (texture (glBindTexture GL_TEXTURE_2D texture)
@@ -69,9 +71,12 @@
        (t (cond (color (draw-color color)))
           (draw v1 v2 v3 v4))))
 
-(defun draw-square (&key size texture color)
-  (let ((-size (neg size)))
-    (draw-quad (list -size size 0) (list size size 0) (list size -size 0) (list -size -size 0) :texture texture :color color)))
+(defun draw-rectangle (width height &key texture color)
+  (let* ((w (/ width 2)) (-w (neg w)) (h (/ height 2)) (-h (neg h)))
+    (draw-quad (list -w h 0) (list w h 0) (list w -h 0) (list -w -h 0) :texture texture :color color)))
+
+(defun draw-square (&key (size 1) texture color)
+  (draw-rectangle size size :texture texture :color color))
 
 (defun draw-cube (&key size texture color)
   (let ((-size (neg size)))