Unreal Tutorial Realistic metal : Chrome

In this Unreal engine tutorial, I explain how to create a very realistic chrome material.

The benefits of this method are twofold: 1- you can easily give a patina, a sort of ageing effect. 2 - you can go extremely detailed by using 8K textures.

Depending on the size of the texture in the scene, or if you used 16k images, the level of detail you are then working at is literally microscopic ! In the video below, I show you how doing this in real time gives you incredible amount of control over the fine tweaking.

In order to achieve this material just do the following :

1. Create a material
2. Set Metallic on 1
3. Add an 8k "imperfection" texture map as Roughness
   The texture should be uneven mid grey like a grunge map, but avoid high contrast with extreme blacks and whites.
4. Create a multiply node and a Scalar Node and multiply the texture to be able to tweak it in realtime
   
   ^{to zoom in the image, right click + open the image in new tab}
5. Optionally, you can use a world aligned texture on the Roughness as shown below.
   
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