X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;ds=sidebyside;f=scene.c;h=f899dd8e3cd8f5a9ae6b02de8e901563f61d6ddb;hb=bfb8cab4390e0707a66fa2cdf10ff41d274ebd62;hp=f8fc31c155a6ad62dcf60f0b60c80123bad76662;hpb=5ef584fc571c5d86216d8e45d9192d90dc3d023d;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index f8fc31c..f899dd8 100644
--- a/scene.c
+++ b/scene.c
@@ -464,7 +464,14 @@ void makeMenu() {
  * @param h New height
  */
 void windowReshape(int w, int h) {
-
+    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 */
 }
 
 /**
@@ -488,6 +495,7 @@ void display() {
    glTranslatef(-1.5f, 0.0f, -6.0f);
 
    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
@@ -521,10 +529,18 @@ 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();