X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=4852a51833bdab7c197ce2516440fde0c0f28159;hb=71afe748d9068eefceef10fd828c95e3a4c65606;hp=166cf8c9bd09c1f7c23c53fa9a4133d8ade0861a;hpb=b5bd8adb4a5e60d470e04288ece0ee98e214fb3e;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index 166cf8c..4852a51 100644
--- a/scene.c
+++ b/scene.c
@@ -463,8 +463,25 @@ void makeMenu() {
  * @param w New width
  * @param h New height
  */
-void windowReshape(int w, int h) {
-
+void windowReshape(int width, int height) {
+  glViewport(0, 0, (GLsizei)width, (GLsizei)height); 
+  glMatrixMode(GL_PROJECTION);
+  glLoadIdentity(); 
+  
+  if (width <= height)
+    gluPerspective(60,  (GLfloat)width / (GLfloat) height, 0.1, 1000.0);
+  else
+    gluPerspective(60, (GLfloat)height / (GLfloat) width, 0.1, 1000.0);
+  glMatrixMode(GL_MODELVIEW);
+  
+  /*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 */
 }
 
 /**
@@ -485,16 +502,18 @@ 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
      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
      glVertex3f(-1.0f,-1.0f, 0.0f); // Bottom Left
    glEnd();
 
-   glFlush();
+   glutSwapBuffers();
 }
 
 /**
@@ -521,10 +540,18 @@ int main(int argc, char **argv) {
     glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
     glutInitWindowSize(500, 500);
     glutCreateWindow("Scene Editor");
+
+    glShadeModel(GL_SMOOTH);                        // Enables Smooth Shading
+    glClearColor(0.0f, 0.0f, 0.0f, 0.0f);                   // Black Background
+    glClearDepth(1.0f);                         // Depth Buffer Setup
+    glEnable(GL_DEPTH_TEST);                        // Enables Depth Testing
+    glDepthFunc(GL_LEQUAL);                         // The Type Of Depth Test To Do
+
+    glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);          // Really Nice Perspective Calculations
+
     glutReshapeFunc(windowReshape);
     glutDisplayFunc(display);
     glutMouseFunc(mouse);
-    glEnable(GL_DEPTH_TEST); // Enable hidden surface removal
 
     makeMenu();
     glutMainLoop();