X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=c176af02f86d3b493fb71498812d7dc3d9b97275;hb=30b986be5a99a2d26d14566be7902af2acd124c0;hp=3a948c8fbc7d8fb4e77e61a880d9e50d56cca2a1;hpb=1b8067182b0a43a8cb49ed32657146fd30b0b84b;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index 3a948c8..c176af0 100644
--- a/scene.c
+++ b/scene.c
@@ -463,16 +463,12 @@ void makeMenu() {
  * @param w New width
  * @param h New height
  */
-void windowReshape(int w, int h) {
-  glViewport(0, 0, w, h);                    // Reset The Current Viewport
-  glMatrixMode(GL_PROJECTION);                        // Select The Projection Matrix
-  glLoadIdentity();                           // Reset The Projection Matrix
-
-  // Calculate The Aspect Ratio Of The Window
-  gluPerspective(45.0f,(GLfloat)w/(GLfloat)h,0.1f,100.0f);
-
-  glMatrixMode(GL_MODELVIEW);                     // Select The Modelview Matrix
-   glLoadIdentity();                           // Reset The Modelview Matrix
+void windowReshape(int width, int height) {
+  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
 }
 
 /**
@@ -493,10 +489,11 @@ void display() {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
 
-   glTranslatef(-1.5f, 0.0f, -6.0f);
+   glTranslatef(0.0f,0.0f,-6.0f);                 // Move Left 1.5 Units And Into The Screen 6.0
+
 
    glBegin(GL_QUADS);
-     glColor3f(1.0f,0.0f,0.0f);          // Set The Color To Red
+     glColor3f(1.0f,0.0f,0.0f);     // Set The Color To Red
      glVertex3f(-1.0f, 1.0f, 0.0f); // Top left
      glVertex3f( 1.0f, 1.0f, 0.0f); // Top Right
      glVertex3f( 1.0f,-1.0f, 0.0f); // Bottom Right