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Seeing 3D in video games
Discover the incredible mathematical and biological tricks video games use to turn flat screens into infinite three-dimensional worlds.
4 chapters76 assets
by diegoplays · Jul 30, 2026
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Chapter 1
Flattening the third dimension
1The magic of perspective projection
2The wireframe skeleton of polygons
3Painting the wireframe with textures
4The rasterization race
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Chapter 2
Painting with virtual light
1Shading that creates roundness
2Normal mapping for fake bumps
3The shadow map mystery
4Ray tracing and true light
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Chapter 3
Tricking the brain with depth
1Parallax scrolling and depth
2Field of view and speed
3Stereoscopic vision in virtual reality
4Depth of field and focus
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Chapter 4
The brain's clever shortcuts
1The illusion of continuous motion
2Level of detail swapping
3Motion blur and speed
4Occlusion culling and hidden worlds
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