An important element in the ocean landscape-fish. The atmosphere of the game and the atmosphere of the game.
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This is the case of the game-fish-like alternating system. However, there is a problem that exists, and it is a true problem. Opposite this is in PS.
In addition ，I also add Emission color in unreal for fish.
Lighting modification
First of all, I improved the sky tone on the basis of the original pink sky. Make it more blue. As for the details of the lighting. I added different points of light around the luminous plants. In addition, I also added some Spot lights to simulate the noise of sunlight hitting the bottom of the sea.
The above is the final result of completion.