Depth map shadow, spot lights and Blinn-Phong practice

• On Windows install PyOpenGL and PyOpenGL-accelerate by downlading packages from: http://www.lfd.uci.edu/~gohlke/pythonlibs
• Installing them as: pip install [package-name]. This is needed as official pip repo does not have glut in it.

• One on the left side above object looking down on objects and the other one in front of all the object in slightly higher position looking down on objects.
• The one at the front of objects move side to side paralle to x axis in a left right sinusoidal pattern.
• The other spotlight rotate around a circle always looking at the center point of the scene which is centered below the tree object.
• Calculate shadow maps for both lights.
• Shadows of both spotlights switchable by the user using "1" and "2" keys so that we can render the scene with shadow maps or not.
• Another ambient light which has a constant intensity for the whole scene.
• The animation of the spotlights should be able to be switched on or off by the user with key press "a".

• Hit ESC key to quit.
• Alt + Left Mouse Button: Rotation around center of the object
• Alt + Right Mouse Button: Zoom in and out
• F key to reset view
• 1 key to on/off Spot Light 1's depth map
• 2 key to on/off Spot Light 2's depth map
• Q key to on/off Spot Light 1
• W key to on/off Spot Light 2
• A key to on/off animation of Spot Light 1
• S key to on/off animation of Spot Light 2
• B key to on/off Blinn's specular