Introduction - If you have any usage issues, please Google them yourself
Experiment IV computer graphics, camera roaming and looking around, drawing at least a three-dimensional objects and scenes in the scene to add the appropriate light source, objects affixed to the appropriate texture map to achieve roaming camera: up and down through the mouse to move the camera around, also available via the keyboard W, S, A and D keys (or up, down, left and right arrow keys) to move the camera around and realize we take a look at the camera: the mouse or keyboard through the rotation around the camera, including those about inspections upward and downward looking down looking up