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Optimize local lights sphere mesh rendering to match the area better

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Wojtek Figat
2024-04-05 12:48:09 +02:00
parent 0cc6669cbd
commit 3efd1e4e84
6 changed files with 53 additions and 91 deletions
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36
Source/Engine/Graphics/RenderTools.cpp
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@@ -587,6 +587,26 @@ void RenderTools::CalculateTangentFrame(FloatR10G10B10A2& resultNormal, FloatR10
resultTangent = Float1010102(tangent * 0.5f + 0.5f, sign);
}
void RenderTools::ComputeSphereModelDrawMatrix(const RenderView& view, const Float3& position, float radius, Matrix& resultWorld, bool& resultIsViewInside)
{
// Construct world matrix
constexpr float sphereModelScale = 0.0202f; // Manually tweaked for 'Engine/Models/Sphere'
const float scaling = radius * sphereModelScale;
resultWorld = Matrix::Identity;
resultWorld.M11 = scaling;
resultWorld.M22 = scaling;
resultWorld.M33 = scaling;
resultWorld.M41 = position.X;
resultWorld.M42 = position.Y;
resultWorld.M43 = position.Z;
// Check if view is inside the sphere
float viewToCenter = Float3::Distance(view.Position, position);
//if (radius + viewToCenter > view.Far)
// radius = view.Far - viewToCenter; // Clamp radius
resultIsViewInside = viewToCenter - radius < 5.0f; // Manually tweaked bias
}
int32 MipLevelsCount(int32 width, bool useMipLevels)
{
if (!useMipLevels)
@@ -644,22 +664,6 @@ int32 MipLevelsCount(int32 width, int32 height, int32 depth, bool useMipLevels)
return result;
}
float ViewToCenterLessRadius(const RenderView& view, const Float3& center, float radius)
{
// Calculate distance from view to sphere center
float viewToCenter = Float3::Distance(view.Position, center);
// Check if need to fix the radius
//if (radius + viewToCenter > view.Far)
{
// Clamp radius
//radius = view.Far - viewToCenter;
}
// Calculate result
return viewToCenter - radius;
}
void MeshBase::SetMaterialSlotIndex(int32 value)
{
if (value < 0 || value >= _model->MaterialSlots.Count())