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Fix the vanishing wall
A shader stretches a 1 m wall to 20 m. With the wall moved to x = 7 it disappears, although most of it is on screen.
Fix it by giving the geometry a bounding sphere that tells the truth (radius at least 10). Do not turn culling off.
What Check tests
- The wall is drawn (1 draw call)
- Culling is still on
- The bounding sphere has a radius of at least 10
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