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Materials.md

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Materials

  • Materials define how an object looks in-game

  • Textures, transparency, colour, reflectiveness, etc

  • Shader:

    • Code that defines how the game engine renders an object on the screen
    • Unity has its own standard shader

  • Materials are made up of:

    • Shaders (custom bodywork shader)
    • Templates (for example a car texture)
    • Colour tint

    Materials inspector inside the Unity Game Engine:

  • Materials are assets that takes on the properties of shaders:
    • Shader - defines how the game engine (unity) renders the game object on the screen (code)
    • Colour, lighting, viewing angle, texture,
  • Material:
    • Shader (for example, a car texture)
    • Color/Colour tint
    • Texture

There's a few options for what we can do with the material:

  • Metallic scale
  • Smoothness scale --> when light hits an object, how much reflection is there?
    • Object (game object that the material is attached to)
    • Smoothness scale = 0: no reflection applied
    • Smoothness scale = >0: skybox affects

Creating & adding textures:

  • Imported the course files (which included the textures)
  • Click the "albedo" circle to the left
  • Select the texture (either premade, or make your own)

We adding a tile image as the texture (tiles/rows of rock/bricks):

  • Increasing tiling in the material inspector adds more rows
    • x and y values for this (across and up/down)
  • Scrolling textures: offset (can be affected in script)