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[src] Add new FracturePath computation method using subdividers methods introduced in TriangleSetGeometryAlgorithms #68

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[src] Add new FracturePath computation method using subdividers methods introduced in TriangleSetGeometryAlgorithms #68

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1d7a299
Backup work on new fracture path
epernod Feb 26, 2025
e2261fd
[src] Backup handling of new fracture path using subdividers
epernod Feb 26, 2025
391abfe
[src] Backup cleaning
epernod Mar 7, 2025
a3e9511
[src] Remove logs and restore computeFracturePAth using PTA
epernod Mar 19, 2025
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2 changes: 1 addition & 1 deletion scenes/TearingEngine/SquareTissue_11_MiddlePressure .scn
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@

<TriangleSetTopologyContainer name="Container" src="@meshLoader" />
<TriangleSetTopologyModifier name="Modifier" />
<TriangleSetGeometryAlgorithms name="GeomAlgo" template="Vec3d" showEdgeIndices="1" showTriangleIndices="1" showIndicesScale="0.001"/>
<TriangleSetGeometryAlgorithms name="GeomAlgo" template="Vec3d" showEdgeIndices="1" showTriangleIndices="1" showIndicesScale="0.001" showPointIndices="1"/>

<MechanicalObject name="Mo"/>
<DiagonalMass massDensity="0.15" />
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73 changes: 73 additions & 0 deletions src/Tearing/TearingAlgorithms.inl
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Expand Up @@ -54,15 +54,88 @@ TearingAlgorithms<DataTypes>::~TearingAlgorithms()
template <class DataTypes>
void TearingAlgorithms<DataTypes>::computeFracturePath(const Coord& pA, Index triId, const Coord pB, const Coord pC)
{
SReal snapThreshold = 0.8;
SReal snapThresholdBorder = 0.8;

sofa::type::vector< TriangleID > triangles_list;
sofa::type::vector< EdgeID > edges_list;
sofa::type::vector< Real > coords_list;
type::vector< std::shared_ptr<PointToAdd> > _pointsToAdd;

type::Vec3 ptA = type::Vec3(pA[0], pA[1], pA[2]);
type::Vec3 ptB = type::Vec3(pB[0], pB[1], pB[2]);
type::Vec3 ptC = type::Vec3(pC[0], pC[1], pC[2]);

bool validPath = m_triangleGeo->computeSegmentTriangulationIntersections(ptA, ptB, triId, sofa::InvalidID, triangles_list, edges_list, coords_list);

sofa::type::vector< TriangleID > triangles_list2;
sofa::type::vector< EdgeID > edges_list2;
sofa::type::vector< Real > coords_list2;
bool validPath2 = m_triangleGeo->computeSegmentTriangulationIntersections(ptA, ptC, triId, sofa::InvalidID, triangles_list2, edges_list2, coords_list2);

std::cout << "--- computeFracturePath --- " << std::endl;
std::cout << "triangles_list: " << triangles_list << std::endl;
std::cout << "edges_list: " << edges_list << " | " << coords_list << std::endl;
std::cout << "triangles_list2: " << triangles_list2 << std::endl;
std::cout << "edges_list2: " << edges_list2 << " | " << coords_list2 << std::endl;


TriangleID triIdB = triangles_list.back();
TriangleID triIdC = triangles_list2.back();

_pointsToAdd = m_triangleGeo->computeIncisionPath(ptB, ptC, triIdB, triIdC);

for (auto pta : _pointsToAdd)
{
pta->printValue();
}
}



template <class DataTypes>
void TearingAlgorithms<DataTypes>::computeFracturePath(FracturePath& my_fracturePath)
{

SReal snapThreshold = 0.8;
SReal snapThresholdBorder = 0.8;

sofa::type::vector< TriangleID > triangles_list;
sofa::type::vector< EdgeID > edges_list;
sofa::type::vector< Real > coords_list;
bool validPath = m_triangleGeo->computeSegmentTriangulationIntersections(my_fracturePath.ptA, my_fracturePath.ptB, my_fracturePath.triIdA, sofa::InvalidID, triangles_list, edges_list, coords_list);

sofa::type::vector< TriangleID > triangles_list2;
sofa::type::vector< EdgeID > edges_list2;
sofa::type::vector< Real > coords_list2;
bool validPath2 = m_triangleGeo->computeSegmentTriangulationIntersections(my_fracturePath.ptA, my_fracturePath.ptC, my_fracturePath.triIdA, sofa::InvalidID, triangles_list2, edges_list2, coords_list2);


if (validPath && validPath2)
{
my_fracturePath.triIdB = triangles_list.back();
my_fracturePath.triIdC = triangles_list2.back();

my_fracturePath.pointsToAdd = m_triangleGeo->computeIncisionPath(my_fracturePath.ptB, my_fracturePath.ptC, my_fracturePath.triIdB, my_fracturePath.triIdC);
my_fracturePath.pathOk = true;
//for (auto pta : my_fracturePath.pointsToAdd)
//{
// pta->printValue();
//}
}
else
{
my_fracturePath.pathOk = false;

std::cout << "--- computeFracturePath --- " << std::endl;
std::cout << "my_fracturePath.ptA: " << my_fracturePath.ptA << " | " << my_fracturePath.triIdA << std::endl;
std::cout << "triangles_list: " << triangles_list << std::endl;
std::cout << "edges_list: " << edges_list << " | " << coords_list << std::endl;
std::cout << "triangles_list2: " << triangles_list2 << std::endl;
std::cout << "edges_list2: " << edges_list2 << " | " << coords_list2 << std::endl;

return;
}
}


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