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Unreal Engine Physics Essentials by Devin Sherry, Katax Emperore

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Chapter 6. Materials

Every video game provides a kind of colorful presentation for the player (even in black and white). As most players experience memorable parts of the game, this is what a player hears and detects visually in the game. This detection can be about an image, some notes, or something known as texture.

Texture is a digital shell that covers objects in the game world. They can be unique or repetitive over a big area during the play in the different levels of the game. They can be interactive with the player or world, artistic, fantasy, or real and physical.

For example, sea mostly has a real texture of water. Some old engines just handle a simple image of water, whereas some modern engines (such as UE4) can provide the wave motion ...

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