public Vector3[] GetPointsArray(Transform transform, FreeformMesh mesh)
{
List <Vector3> points = new List <Vector3>();
foreach (var v in vertices)
{
Vector3 pos = mesh.vertices[v].position;
pos = transform.TransformPoint(pos);
points.Add(pos);
}
return(points.ToArray());
}
public Vector3 GetNormal(FreeformMesh mesh)
{
if (vertices == null || vertices.Count < 3)
{
return(Vector3.zero);
}
Vector3 normal = Vector3.zero;
for (int i = 0; i < vertices.Count; i++)
{
int j = (i + 1) % vertices.Count;
Vector3 v1 = mesh.vertices[vertices[i]].position;
Vector3 v2 = mesh.vertices[vertices[j]].position;
normal.x += (v1.y - v2.y) * (v1.z + v2.z);
normal.y += (v1.z - v2.z) * (v1.x + v2.x);
normal.z += (v1.x - v2.x) * (v1.y + v2.y);
}
return(normal.normalized);
}
public Vector3 GetCenter(FreeformMesh mesh)
{
return(mesh.GetVerticesCenter(vertices));
}