Your question is too vague (and 1 question only per thread is recommended...)
By "Googling", you can find tutorials, like
Fog : Tutorial 23: Fog
Water : Tutorial 29: Water
etc...
But if you never developed any game with DirectX, it won't help you a lot...
I Need Four Things To My DirectX Game | Visual Studio
Hamza Elashry
226
Reputation points
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Accepted answer
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Castorix31 81,636 Reputation points
2022-05-17T10:47:54.347+00:00