GoaLitiuM/FlaxEngine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Optimize local lights sphere mesh rendering to match the area better

Browse Source
This commit is contained in:
Wojtek Figat
2024-04-05 12:48:09 +02:00
parent 0cc6669cbd
commit 3efd1e4e84
6 changed files with 53 additions and 91 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
Source/Engine/Graphics/RenderTools.cpp
View File

@@ -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())

11
Source/Engine/Graphics/RenderTools.h
View File

@@ -127,6 +127,8 @@ public:
static void CalculateTangentFrame(FloatR10G10B10A2& resultNormal, FloatR10G10B10A2& resultTangent, const Float3& normal);
static void CalculateTangentFrame(FloatR10G10B10A2& resultNormal, FloatR10G10B10A2& resultTangent, const Float3& normal, const Float3& tangent);
static void ComputeSphereModelDrawMatrix(const RenderView& view, const Float3& position, float radius, Matrix& resultWorld, bool& resultIsViewInside);
};
// Calculate mip levels count for a texture 1D
@@ -149,12 +151,3 @@ extern int32 MipLevelsCount(int32 width, int32 height, bool useMipLevels = true)
// @param useMipLevels True if use mip levels, otherwise false (use only 1 mip)
// @returns Mip levels count
extern int32 MipLevelsCount(int32 width, int32 height, int32 depth, bool useMipLevels = true);
/// <summary>
/// Calculate distance from view center to the sphere center less sphere radius, clamped to fit view far plane
/// </summary>
/// <param name="view">Render View</param>
/// <param name="center">Sphere center</param>
/// <param name="radius">Sphere radius</param>
/// <returns>Distance from view center to the sphere center less sphere radius</returns>
extern float ViewToCenterLessRadius(const RenderView& view, const Float3& center, float radius);