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Increase M2 frustum culling padding to prevent edge pop-out

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- Increase padding from 1.2x to 2.5x model radius
- Add minimum 5 unit padding for small objects like lamps
- Fixes models disappearing at viewport edges during camera rotation
This commit is contained in:
Kelsi 2026-02-09 20:02:52 -08:00
parent 277c53d77c
commit b222b78734
1 changed files with 4 additions and 3 deletions
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7
src/rendering/m2_renderer.cpp
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@ -1682,9 +1682,10 @@ void M2Renderer::render(const Camera& camera, const glm::mat4& view, const glm::
// Small props (barrels, lanterns, etc.) now use same distance as larger objects
if (distSq > effectiveMaxDistSq) continue;
// Frustum cull with padding to prevent edge pop-out
// Add 20% radius padding so objects smoothly exit viewport
if (cullRadius > 0.0f && !frustum.intersectsSphere(instance.position, cullRadius * 1.2f)) continue;
// Frustum cull with very generous padding to prevent edge pop-out during camera rotation
// Add 150% radius padding (+ minimum 5 units) so objects remain visible at viewport edges
float paddedRadius = std::max(cullRadius * 2.5f, cullRadius + 5.0f);
if (cullRadius > 0.0f && !frustum.intersectsSphere(instance.position, paddedRadius)) continue;
sortedVisible_.push_back({i, instance.modelId, distSq, effectiveMaxDistSq});
}