private MeshUtils.Edge[] FindPrincipalEdges(Collide.Shape shape, float principalEdgeExtension)
{
if (shape != null && shape.GetUtils() != null)
{
return(shape.GetUtils().GetPrincipalEdgesWorld(principalEdgeExtension));
}
Mesh mesh = shape is Collide.Mesh ?
(shape as Collide.Mesh).SourceObjects.FirstOrDefault() :
Target.GetComponent <MeshFilter>() != null?
Target.GetComponent <MeshFilter>().sharedMesh:
null;
Vector3 halfExtents = 0.5f * Vector3.one;
if (mesh != null)
{
halfExtents = mesh.bounds.extents;
}
MeshUtils.Edge[] edges = ShapeUtils.ExtendAndTransformEdgesToWorld(Target.transform,
new MeshUtils.Edge[]
{
new MeshUtils.Edge(BoxShapeUtils.GetLocalFace(halfExtents, ShapeUtils.Direction.Negative_X),
BoxShapeUtils.GetLocalFace(halfExtents, ShapeUtils.Direction.Positive_X),
ShapeUtils.GetLocalFaceDirection(ShapeUtils.Direction.Positive_Y),
MeshUtils.Edge.EdgeType.Principal),
new MeshUtils.Edge(BoxShapeUtils.GetLocalFace(halfExtents, ShapeUtils.Direction.Negative_Y),
BoxShapeUtils.GetLocalFace(halfExtents, ShapeUtils.Direction.Positive_Y),
ShapeUtils.GetLocalFaceDirection(ShapeUtils.Direction.Positive_Z),
MeshUtils.Edge.EdgeType.Principal),
new MeshUtils.Edge(BoxShapeUtils.GetLocalFace(halfExtents, ShapeUtils.Direction.Negative_Z),
BoxShapeUtils.GetLocalFace(halfExtents, ShapeUtils.Direction.Positive_Z),
ShapeUtils.GetLocalFaceDirection(ShapeUtils.Direction.Positive_X),
MeshUtils.Edge.EdgeType.Principal)
},
principalEdgeExtension);
return(edges);
}