From: Ash Tyndall <git@atyndall.net>
Date: Sun, 9 Oct 2011 07:16:14 +0000 (+0800)
Subject: (no commit message)
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=cb50120e275596b508ec114343459b8de46c3327;p=atyndall%2Fcits2231.git

---

diff --git a/scene.c b/scene.c
index b806a5f..a342724 100644
--- a/scene.c
+++ b/scene.c
@@ -464,20 +464,11 @@ void makeMenu() {
  * @param height New height
  */
 void windowReshape(int width, int height) {
-  glViewport(0, 0, (GLsizei)width, (GLsizei)height); 
-  glMatrixMode(GL_PROJECTION);
-  glLoadIdentity(); 
-  
-  gluPerspective(60, 1, 0.1, 1000.0);
-  
-  /*glViewport(0, 0, w, h);
-    glMatrixMode(GL_PROJECTION); /* switch matrix mode
-    glLoadIdentity();
-    if (w <= h)
-      gluOrtho2D(-2.0, 2.0, -2.0 * (GLfloat) h / (GLfloat) w, 2.0 * (GLfloat) h / (GLfloat) w);
-    else
-      gluOrtho2D(-2.0 * (GLfloat) w / (GLfloat) h, 2.0 * (GLfloat) w / (GLfloat) h, -2.0, 2.0);
-    glMatrixMode(GL_MODELVIEW); /* return to modelview mode */
+  glViewport(0, 0, (GLsizei)width, (GLsizei)height); // Set our viewport to the size of our window
+  glMatrixMode(GL_PROJECTION); // Switch to the projection matrix so that we can manipulate how our scene is viewed
+  glLoadIdentity(); // Reset the projection matrix to the identity matrix so that we don't get any artifacts (cleaning up)
+  gluPerspective(60, (GLfloat)width / (GLfloat)height, 0.1, 1000.0); // Set the Field of view angle (in degrees), the aspect ratio of our window, and the new and far planes
+  glMatrixMode(GL_MODELVIEW); // Switch back to the model view matrix, so that we can start drawing shapes correctly
 }
 
 /**