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Handling Near-Plane Camera Clipping in 3D Bounding Box Projection (Part 4)

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3y ago · Feb 22, 2023 9:47 PM

When an entity is partially behind or intersecting the camera near clipping plane, raw WorldToScreen math can produce inverted projection artifacts.

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3y ago · Feb 23, 2023 3:19 AM

Checking clipW < 0.01f or performing homogeneous polygon clipping against the near plane (w > nearPlane) prevents screen-stretching glitches.

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3y ago · Feb 24, 2023 5:19 AM

Adding a simple frustum boundary check before rendering the box vertices keeps the overlay completely artifact-free.

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