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Understanding the View-Projection Matrix: Camera Space to Normalized Device Coordinates (Part 3)

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3y ago · Sep 7, 2022 4:52 PM

Step-by-step mathematical breakdown of how 3D world coordinates transform through View and Projection matrices into [-1, 1] NDC space.

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3y ago · Sep 7, 2022 9:03 PM

World * ViewMatrix converts to Camera View Space (Z is depth). ViewSpace * ProjectionMatrix transforms into Homogeneous Clip Space (x, y, z, w).

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3y ago · Sep 9, 2022 3:03 AM

Dividing x and y by w (Perspective Divide) yields NDC coordinates ready for viewport screen scaling.

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