X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=34b7462dd44e86a1293acbd6d513f6b09afe4c67;hb=892a5bee9691e9566a5cf6b996f55c0b6ab14747;hp=d9a4ea3be32f39ed4ab99b5a8cb52c6971cabe3c;hpb=ddf25313dfc93155b958b2838b6dba330e2706d9;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index d9a4ea3..34b7462 100644
--- a/scene.c
+++ b/scene.c
@@ -298,13 +298,18 @@ void display() {
   glMatrixMode(GL_MODELVIEW);
   glLoadIdentity();
 
+  GLfloat zcoord = 5.0 + (zoomFactor*0.2);
+  if ( zcoord < 0.0 ) {
+    zcoord = 0.0;
+  }
+
   gluLookAt(
-    0.0,  0.0,  5.0 + (zoomFactor*0.2),  /* eye is at (x,y,z) */
+    0.0,  0.0,  zcoord,  /* eye is at (x,y,z) */
     0.0,  0.0,  0.0,  /* center is at (x,y,z) */
     0.0,  1.0,  0.0   /* up is in postivie Y direction */
     );
 
-  glRotatef(75.0, 1.0, 0.0, 0.0);
+  glRotatef(50.0, 1.0, 0.0, 0.0);
 
   /* Reposition the light source. */
   lightPosition[0] = 12*cos(lightAngle);