public void Attach(PolyMesh center, PolyMesh brush, int cornerCount)
{
//var center = PolyMesh.CreateGreatRhombicosidodecahedron(1.0);
//var brush = PolyMesh.CreateDodecahedron(1.0);
// Get brushPolygon
Polygon brushPolygon = null;
foreach (var polygon in brush.Geometry.Polygons)
{
if (polygon.Corners.Count == cornerCount)
{
brushPolygon = polygon;
break;
}
}
if (brushPolygon == null)
{
return;
}
List <Polygon> processPolygons = new List <Polygon>();
foreach (var centerPolygon in center.Geometry.Polygons)
{
if (centerPolygon.Corners.Count != cornerCount)
{
continue;
}
processPolygons.Add(centerPolygon);
}
foreach (var centerPolygon in processPolygons)
{
ReferenceFrame brushFrame = MakePolygonReference(brush.Geometry, brushPolygon);
ReferenceFrame centerFrame = MakePolygonReference(center.Geometry, centerPolygon);
var cloner = new CloneGeometryOperation(brush.Geometry, null);
float scale = centerFrame.Scale / brushFrame.Scale;
var newGeometry = cloner.Destination;
var scaleTransform = Matrix4.CreateScale(scale);
var clonedPolygon = cloner.polygonOldToNew[brushPolygon];
if (scale != 1.0f)
{
newGeometry.Transform(scaleTransform);
brushFrame.Transform(scaleTransform);
}
centerFrame.Normal *= -1.0f; // Flip target normal..
Matrix4 centerTransform = centerFrame.GetTransform();
Matrix4 brushTransform = brushFrame.GetTransform();
Matrix4 inverseBrush = Matrix4.Invert(brushTransform);
Matrix4 align = centerTransform * inverseBrush;
newGeometry.Transform(align);
//center.Geometry.MergeFast(newGeometry, centerPolygon, clonedPolygon);
center.Geometry.Merge(newGeometry);
}
center.Geometry.ComputePolygonNormals();
center.Geometry.ComputePolygonCentroids();
center.Geometry.ComputeCornerNormals(2.0f * (float)Math.PI);
center.BuildMeshFromGeometry();
}