Chapter 4. A Universe of Brushes: World Geometry In-Depth

One tool is essential for creating the base layout and geometry for your levels: BSP brushes. These brushes can also be invaluable in “prototyping” your levels: quickly previewing what they’ll look like and how they’ll play, without creating all their individual assets. You took a quick glimpse of BSP brushes in Chapter 3, “Up and Running: A Hands-On Level Creation Primer.” In this chapter, we drill down, showing you all you need to know to use BSP brushes in level creation.

Key Terms and Concepts: BSP and CSG

In discussing brushes, we’ve used the term BSP several times. It’s about time we defined it! BSP stands for Binary Space Partition, which is a computer graphics ...

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