How to do it...

Working with oceans usually means working with large-scale surfaces. In our industry, and unlike in real life, those surfaces could actually be very small but for the purposes of this recipe, we are going to force ourselves to deal with big areas. Doing so allow us to learn how to tackle them, as their scale usually comes with certain challenges. The main one we'll face is something called tiling, which is a word we use to refer to the visible repetition of a texture across a model. Even though that's something we dealt with in Chapter 3Opaque Materials and Texture Mapping, when working on concrete surfaces, we'll expand upon that by adding interesting effects and techniques that we couldn't apply there. One of them is the ...

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