glShadeModel(GL_SMOOTH); // Enables Smooth Shading\r
glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // Black Background\r
glClearDepth(1.0f); // Depth Buffer Setup\r
+ glDepthRange(0,1);\r
glEnable(GL_DEPTH_TEST); // Enables Depth Testing\r
glDepthFunc(GL_LEQUAL); // the type\r
glEnable(GL_CULL_FACE);\r