Use the following keys after running the program:
- T: get Terrain
- O: Get ocean
- Up, right left, dow (move the camera)
- W: wireframe
- S:Switch from wireframe to solid state
- R fresnel parameter for the ocean
- F fresnel parameter
- F1: calm water
- F2 Storm water
- F11 Storm water
- 1,2,3,4,5 changes the skybox