multi-screen-projector/engine/thirdparty/jolt_physics/Jolt/TriangleSplitter/TriangleSplitterLongestAxis.cpp
2025-03-13 08:40:48 +00:00

32 lines
962 B
C++

// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
// SPDX-License-Identifier: MIT
#include <Jolt/Jolt.h>
#include <Jolt/TriangleSplitter/TriangleSplitterLongestAxis.h>
#include <Jolt/Geometry/AABox.h>
JPH_NAMESPACE_BEGIN
TriangleSplitterLongestAxis::TriangleSplitterLongestAxis(const VertexList &inVertices, const IndexedTriangleList &inTriangles) :
TriangleSplitter(inVertices, inTriangles)
{
}
bool TriangleSplitterLongestAxis::Split(const Range &inTriangles, Range &outLeft, Range &outRight)
{
// Calculate bounding box for triangles
AABox bounds;
for (uint t = inTriangles.mBegin; t < inTriangles.mEnd; ++t)
bounds.Encapsulate(mVertices, GetTriangle(t));
// Calculate split plane
uint dimension = bounds.GetExtent().GetHighestComponentIndex();
float split = bounds.GetCenter()[dimension];
return SplitInternal(inTriangles, dimension, split, outLeft, outRight);
}
JPH_NAMESPACE_END