public void CutMesh(Submesh mesh, RHVector3 normal, RHVector3 point,int defaultFaceColor)
{
TopoPlane plane = new TopoPlane(normal, point);
bool drawEdges = Main.threeDSettings.ShowEdges;
foreach (TopoEdge e in edges)
e.algHelper = 0; // Mark drawn edges, so we insert them only once
foreach (TopoTriangle t in triangles)
{
int side = plane.testTriangleSideFast(t);
if (side == -1)
{
mesh.AddTriangle(t.vertices[0].pos, t.vertices[1].pos, t.vertices[2].pos, (t.bad ? Submesh.MESHCOLOR_ERRORFACE : defaultFaceColor));
if (drawEdges)
{
if (t.edges[0].algHelper == 0)
{
mesh.AddEdge(t.vertices[0].pos, t.vertices[1].pos, t.edges[0].connectedFaces == 2 ? Submesh.MESHCOLOR_EDGE : Submesh.MESHCOLOR_ERROREDGE);
t.edges[0].algHelper = 1;
}
if (t.edges[1].algHelper == 0)
{
mesh.AddEdge(t.vertices[1].pos, t.vertices[2].pos, t.edges[1].connectedFaces == 2 ? Submesh.MESHCOLOR_EDGE : Submesh.MESHCOLOR_ERROREDGE);
t.edges[1].algHelper = 1;
}
if (t.edges[2].algHelper == 0)
{
mesh.AddEdge(t.vertices[2].pos, t.vertices[0].pos, t.edges[2].connectedFaces == 2 ? Submesh.MESHCOLOR_EDGE : Submesh.MESHCOLOR_ERROREDGE);
t.edges[2].algHelper = 1;
}
}
else
{
if (t.edges[0].algHelper == 0 && t.edges[0].connectedFaces != 2)
{
mesh.AddEdge(t.vertices[0].pos, t.vertices[1].pos, Submesh.MESHCOLOR_ERROREDGE);
t.edges[0].algHelper = 1;
}
if (t.edges[1].algHelper == 0 && t.edges[1].connectedFaces != 2)
{
mesh.AddEdge(t.vertices[1].pos, t.vertices[2].pos, Submesh.MESHCOLOR_ERROREDGE);
t.edges[1].algHelper = 1;
}
if (t.edges[2].algHelper == 0 && t.edges[2].connectedFaces != 2)
{
mesh.AddEdge(t.vertices[2].pos, t.vertices[0].pos, Submesh.MESHCOLOR_ERROREDGE);
t.edges[2].algHelper = 1;
}
}
}
else if (side == 0)
{
plane.addIntersectionToSubmesh(mesh, t, drawEdges, (t.bad ? Submesh.MESHCOLOR_ERRORFACE : defaultFaceColor));
}
}
}
