demos: fix aspect ratio in Reshape()

2009-04-09 17:04:58 -06:00
parent 2078e6cf55
commit 08a1e1ebcb
1 changed files with 2 additions and 1 deletions
--- a/progs/glsl/bump.c
+++ b/progs/glsl/bump.c
@@ -150,10 +150,11 @@ Redisplay(void)
 static void
 Reshape(int width, int height)
 {
+   float ar = (float) width / (float) height;
   glViewport(0, 0, width, height);
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
-   glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 25.0);
+   glFrustum(-ar, ar, -1.0, 1.0, 5.0, 25.0);
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
   glTranslatef(0.0f, 0.0f, -15.0f);