X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=scene.c;h=327467df2b33e03481744a1bc736481be9207461;hb=610f7d0fe55f083c89382619a2cb72180dc9973a;hp=d5b5fe40fabed3aa84feb616b16df493fa5b1f98;hpb=0dfc3eda3d8d6d33c1c38c2a3b2d438fe25315c9;p=atyndall%2Fcits2231.git

diff --git a/scene.c b/scene.c
index d5b5fe4..327467d 100644
--- a/scene.c
+++ b/scene.c
@@ -460,16 +460,24 @@ void makeMenu() {
 
 /**
  * Called when window is resized
- * @param width New width
- * @param height New height
+ * @param w New width
+ * @param h New height
  */
-void windowReshape(int width, int height) {
-  glViewport(0, 0, (GLsizei)width, (GLsizei)height);
-  printf("Width: %d, height: %d\n", width, height);
+void windowReshape(int w, int h) {
+  GLdouble near = -10.0;
+  GLdouble far = 10.0;
+
+  glViewport(0, 0, (GLsizei) w, (GLsizei) h);
   glMatrixMode(GL_PROJECTION);
   glLoadIdentity();
-  gluPerspective(60, (GLfloat)height / (GLfloat)width, 0.1, 1000.0);
-  glMatrixMode(GL_MODELVIEW);
+  if (w <= h) 
+    glOrtho(near, far, near*(GLfloat)h/(GLfloat)w,
+             far*(GLfloat)h/(GLfloat)w, near, far);
+  else
+    glOrtho(near*(GLfloat)w/(GLfloat)h,
+             far*(GLfloat)w/(GLfloat)h, near, far, near, far);
+   glMatrixMode(GL_MODELVIEW); 
+   glLoadIdentity();
 }
 
 /**
@@ -490,8 +498,16 @@ void display() {
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
 
-   glTranslatef(0.0f,0.0f,-10.0f); // Move into the Screen 10.0
+   glTranslatef(0.0f, 0.0f, 0.0f);
+   glBegin(GL_QUADS);
+     glVertex3f(0.0f, 1.0f, -1.0f);
+     glVertex3f(0.0f, 1.0f, 1.0f);
+     glVertex3f(0.0f,-1.0f, 1.0f);
+     glVertex3f(0.0f,-1.0f, -1.0f);
+   glEnd();
+
 
+   glTranslatef(0.0f,0.0f,-5.0f); // Move into the Screen 10.0
    glutSolidTeapot(1);
 
    glutSwapBuffers();
@@ -522,11 +538,11 @@ int main(int argc, char **argv) {
     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
+    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
 
     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);          // Really Nice Perspective Calculations
 
@@ -535,5 +551,11 @@ int main(int argc, char **argv) {
     glutMouseFunc(mouse);
 
     makeMenu();
+
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective( 60, 1, 0.1, 1000.0);
+    glMatrixMode(GL_MODELVIEW);
+
     glutMainLoop();
 }