private void AddElement2d(MeshBuilder bldr, Element2D elm)
{
if (elm.Nodes.Length == 4)
{
var p1 = elm.Nodes[0].Location;
var p2 = elm.Nodes[1].Location;
var p3 = elm.Nodes[2].Location;
var p4 = elm.Nodes[3].Location;
bldr.AddTriangle(p1, p2, p3);
bldr.AddTriangle(p1, p3, p4);
}
if (elm.Nodes.Length == 3)
{
var p1 = elm.Nodes[0].Location;
var p2 = elm.Nodes[1].Location;
var p3 = elm.Nodes[2].Location;
bldr.AddTriangle(p1, p2, p3);
}
}
private void AddElement3D(MeshBuilder bldr, Element3D elm)
{
if (elm.Nodes.Length == 8)
{
//brick
var p = new Func <Node, Point>(i => i.Location);
var sides = new int[][]
{
new int[] { 1, 2, 6 }, new int[] { 1, 5, 6 },
new int[] { 2, 6, 3 }, new int[] { 7, 6, 3 },
new int[] { 4, 3, 7 }, new int[] { 4, 8, 7 },
new int[] { 1, 4, 8 }, new int[] { 1, 5, 8 },
new int[] { 5, 6, 7 }, new int[] { 5, 8, 7 },
new int[] { 1, 2, 3 }, new int[] { 1, 4, 3 },
};
foreach (var side in sides)
{
bldr.AddTriangle(p(elm.Nodes[side[0] - 1]), p(elm.Nodes[side[1] - 1]), p(elm.Nodes[side[2] - 1]));
}
}
}
private void AddTetrahedronElement(MeshBuilder bldr, Tetrahedral elm)
{
PolygonYz section = null;
var r = ElementVisualThickness / 2;
var p1 = elm.Nodes[0].Location;
var p2 = elm.Nodes[1].Location;
var p3 = elm.Nodes[2].Location;
var p4 = elm.Nodes[3].Location;
bldr.AddTriangle(p1, p3, p4);
bldr.AddTriangle(p3, p2, p4);
bldr.AddTriangle(p1, p2, p4);
bldr.AddTriangle(p1, p2, p3);
}
private void AddTrussElement(MeshBuilder bldr, TrussElement2Node elm)
{
PolygonYz section = null;
var r = ElementVisualThickness / 2;
if (elm.UseOverridedProperties)
{
section = new PolygonYz(
new PointYZ(-r, -r),
new PointYZ(-r, r),
new PointYZ(r, r),
new PointYZ(r, -r),
new PointYZ(-r, -r));
}
else
{
section = elm.Geometry;
}
for (var i = 0; i < section.Count - 1; i++)
{
var v1 = new Vector(0, section[i].Y, section[i].Z);
var v2 = new Vector(0, section[i + 1].Y, section[i + 1].Z);
var p1 = elm.StartNode.Location + elm.TransformLocalToGlobal(v1);
var p2 = elm.StartNode.Location + elm.TransformLocalToGlobal(v2);
var v = elm.EndNode.Location - elm.StartNode.Location;
if (Math.Abs(v.Z) < 0.01)
{
Guid.NewGuid();
}
var p3 = p1 + v;
var p4 = p2 + v;
bldr.AddTriangle(p1, p3, p2);
bldr.AddTriangle(p4, p2, p3);
}
}
private void AddCstElement(MeshBuilder bldr, CstElement elm)
{
PolygonYz section = null;
var r = ElementVisualThickness / 2;
var p1 = elm.Nodes[0].Location;
var p2 = elm.Nodes[1].Location;
var p3 = elm.Nodes[2].Location;
bldr.AddTriangle(p1, p3, p2);
}