feature: camera zoom

EU07.cpp

@@ -85,17 +85,19 @@ int InitGL(GLvoid) // All Setup For OpenGL Goes Here
 
 GLvoid ReSizeGLScene(GLsizei width, GLsizei height) // resize and initialize the GL Window
 {
-    WindowWidth = width;
-    WindowHeight = height;
+    Global::ScreenWidth = WindowWidth = width;
+    Global::ScreenHeight = WindowHeight = height;
     if (height == 0) // prevent a divide by zero by
         height = 1; // making height equal one
     glViewport(0, 0, width, height); // 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, (GLdouble)width / (GLdouble)height, 0.2f, 2500.0f);
     glMatrixMode(GL_MODELVIEW); // select the Modelview Matrix
     glLoadIdentity(); // reset the Modelview Matrix
+*/
 }
 
 //---------------------------------------------------------------------------