// calculate normal on vertices and deal with boarder condition.
private void calculateVertexNormals()
{
vertexNormals = iSpringMesh.ComputeVertexNormals();
foreach (Edge edge in iSpringMesh.Edges)
{
if (edge.SecondTriangleIndex >= 0)
{
continue;
}
// Gene Added
if (iSpringMesh.Vertices[edge.FirstVertexIndex].Position.Z > 0.65 &&
iSpringMesh.Vertices[edge.SecondVertexIndex].Position.Z > 0.65)
{
continue;
}
Vector3d vertexNormal = vertexNormals[edge.FirstVertexIndex];
vertexNormal.Z = 0.0;
vertexNormal.Unitize();
vertexNormals[edge.FirstVertexIndex] = vertexNormal;
vertexNormal = vertexNormals[edge.SecondVertexIndex];
vertexNormal.Z = 0.0;
vertexNormal.Unitize();
vertexNormals[edge.SecondVertexIndex] = vertexNormal;
}
// here is to get all vertex normal and utilize them
}
protected override void SolveInstance(IGH_DataAccess DA)
{
DA.GetData <SpringMesh>("Spring Mesh", ref iSpringMesh);
DA.GetData <double>("Min. Thickness", ref iMinThickness);
DA.GetData <double>("Max. Thickness", ref iMaxThickness);
DA.GetData <double>("Tangent Scale", ref iTangentScale);
DA.GetData <bool>("Allow PolySrf", ref iPolySrf);
// =========================================================================================================
List <Vector3d> vertexNormals = iSpringMesh.ComputeVertexNormals();
foreach (Edge edge in iSpringMesh.Edges)
{
if (edge.SecondTriangleIndex >= 0)
{
continue;
}
// Gene Added
if (iSpringMesh.Vertices[edge.FirstVertexIndex].Position.Z > 0.65 &&
iSpringMesh.Vertices[edge.SecondVertexIndex].Position.Z > 0.65)
{
continue;
}
Vector3d vertexNormal = vertexNormals[edge.FirstVertexIndex];
vertexNormal.Z = 0.0;
vertexNormal.Unitize();
vertexNormals[edge.FirstVertexIndex] = vertexNormal;
vertexNormal = vertexNormals[edge.SecondVertexIndex];
vertexNormal.Z = 0.0;
vertexNormal.Unitize();
vertexNormals[edge.SecondVertexIndex] = vertexNormal;
}
// =========================================================================================================
bottomCps = new List <Point3d>();
topCps = new List <Point3d>();
for (int i = 0; i < iSpringMesh.Vertices.Count; i++)
{
Point3d vertexPosition = iSpringMesh.Vertices[i].Position;
double k = vertexPosition.Z * 0.125;
double thickness = k * iMinThickness + (0.5 - k) * iMaxThickness;
bottomCps.Add(vertexPosition - thickness * vertexNormals[i]);
topCps.Add(vertexPosition + thickness * vertexNormals[i]);
}
// =========================================================================================================
foreach (Triangle triangle in iSpringMesh.Triangles)
{
createStripe(triangle.FirstVertexIndex, triangle.SecondVertexIndex, triangle.ThirdVertexIndex);
createStripe(triangle.SecondVertexIndex, triangle.ThirdVertexIndex, triangle.FirstVertexIndex);
createStripe(triangle.ThirdVertexIndex, triangle.FirstVertexIndex, triangle.SecondVertexIndex);
}
DA.SetDataList(1, oDebugBreps1);
DA.SetDataList(2, oDebugBreps2);
//DA.SetDataList(2, oDebugCurves1);
//DA.SetDataList(3, oDebugPoints1);
}
protected override void SolveInstance(IGH_DataAccess DA)
{
if (!menuItemValue_Standard && !menuItemValue_StructuralAnalysis && !menuItemValue_ExtendedSurfaces)
{
return;
}
oStripes = new List <Brep>();
oStructuralInteriorStripes = new List <Brep>();
oStructuralExteriorStripes = new List <Brep>();
DA.GetData <SpringMesh>("Spring Mesh", ref iSpringMesh);
DA.GetData <double>("Min. Thickness", ref iMinThickness);
DA.GetData <double>("Max. Thickness", ref iMaxThickness);
DA.GetData <double>("Tangent Scale", ref iTangentScale);
// =========================================================================================================
List <Vector3d> vertexNormals = iSpringMesh.ComputeVertexNormals();
foreach (Edge edge in iSpringMesh.Edges)
{
if (edge.SecondTriangleIndex >= 0)
{
continue;
}
Vector3d vertexNormal = vertexNormals[edge.FirstVertexIndex];
vertexNormal.Z = 0.0;
vertexNormal.Unitize();
vertexNormals[edge.FirstVertexIndex] = vertexNormal;
vertexNormal = vertexNormals[edge.SecondVertexIndex];
vertexNormal.Z = 0.0;
vertexNormal.Unitize();
vertexNormals[edge.SecondVertexIndex] = vertexNormal;
}
// =========================================================================================================
bottomCps = new List <Point3d>();
topCps = new List <Point3d>();
for (int i = 0; i < iSpringMesh.Vertices.Count; i++)
{
Point3d vertexPosition = iSpringMesh.Vertices[i].Position;
double k = vertexPosition.Z * 0.125;
double thickness = k * iMinThickness + (0.5 - k) * iMaxThickness;
bottomCps.Add(vertexPosition - thickness * vertexNormals[i]);
topCps.Add(vertexPosition + thickness * vertexNormals[i]);
}
// =========================================================================================================
foreach (Triangle triangle in iSpringMesh.Triangles)
{
createStripe(triangle.FirstVertexIndex, triangle.SecondVertexIndex, triangle.ThirdVertexIndex);
createStripe(triangle.SecondVertexIndex, triangle.ThirdVertexIndex, triangle.FirstVertexIndex);
createStripe(triangle.ThirdVertexIndex, triangle.FirstVertexIndex, triangle.SecondVertexIndex);
if (menuItemValue_StructuralAnalysis)
{
createSharedTriangles(triangle.FirstVertexIndex, triangle.SecondVertexIndex, triangle.ThirdVertexIndex);
}
}
// =========================================================================================================
oInfo += "Triloop Segments: " + iSpringMesh.Triangles.Count;
oInfo += "\nWood Stripes: " + iSpringMesh.Triangles.Count * 3;
double totalArea = 0.0;
if (menuItemValue_Standard)
{
foreach (Brep brep in oStripes)
{
totalArea += brep.GetArea();
}
}
else if (menuItemValue_StructuralAnalysis)
{
foreach (Brep brep in oStructuralInteriorStripes)
{
totalArea += brep.GetArea();
}
foreach (Brep brep in oStructuralInteriorStripes)
{
totalArea += brep.GetArea();
}
}
oInfo += "\nTotal (Wood) Area: " + totalArea.ToString();
// =========================================================================================================
DA.SetData(0, oInfo);
DA.SetDataList(1, oDebugCurves1);
DA.SetDataList(2, oDebugCurves2);
DA.SetDataList(6, oStripes);
DA.SetDataList(7, oStructuralInteriorStripes);
DA.SetDataList(8, oStructuralExteriorStripes);
}