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Beginning DirectX®11 Game Programming by Wendy Jones, Allen Sherrod

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Chapter 6. 3D Primer

Video games are very mathematics intensive. Everything from graphics, physics, collisions, audio, and so much more requires various levels of mathematics. Whether the application being written is by a beginner or by an experienced game developer, math is a subject that cannot be avoided.

Everything you’ve done up to this point has happened in a flat, two-dimensional environment. Your sprites have moved either horizontally or vertically, but there’s another dimension yet to explore—the third dimension, depth. Sure, some great games can be made that take advantage of only the technology you’ve explored so far, but the latest cutting-edge games take place in a 3D world.

This chapter introduces the concepts and math you’ll need ...

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