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Understanding the View-Projection Matrix: Camera Space to Normalized Device Coordinates (Part 2)

ImGuiStyler
ImGui Animation Specialist
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4y ago · Jan 19, 2022 12:00 PM
#1
Step-by-step mathematical breakdown of how 3D world coordinates transform through View and Projection matrices into [-1, 1] NDC space.
ImGuiStyler | Clean Custom UI Controls & Easing
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DisasmGeek
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4y ago · Jan 19, 2022 4:12 PM
#2
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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NeighborSpy
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4y ago · Jan 20, 2022 7:12 PM
#3
Dividing x and y by w (Perspective Divide) yields NDC coordinates ready for viewport screen scaling.
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