//public void FromMesh(Mesh mesh)
//{
// int[] adjacency=new int[mesh.NumberFaces*3];
// mesh.GenerateAdjacency(1,adjacency);
// Mesh m=mesh.Optimize(MeshFlags.SimplifyFace,adjacency);
// CustomVertex.PositionOnly[] vdata = (CustomVertex.PositionOnly[])m.LockVertexBuffer(typeof(CustomVertex.PositionOnly), LockFlags.None, m.NumberVertices);
// int[] ind = (int[])m.LockIndexBuffer(typeof(int), LockFlags.None, mesh.NumberFaces * 3);
// m_vertices = new MyVector[vdata.Length];
// for(int i=0;i<m_vertices.Length;i++)
// {
// m_vertices[i].X = vdata[i].X;
// m_vertices[i].Y = vdata[i].Y;
// m_vertices[i].Z = vdata[i].Z;
// }
//}
/// <summary>
/// Generates collision mesh from arrays
/// </summary>
/// <param name="vertices">An Array of vertices</param>
/// <param name="faces">3 zero based indices per face</param>
public static CollisionMesh FromArrays(MyVector[] vertices, uint[] faces)
{
CollisionMesh mesh = new CollisionMesh();
mesh.m_vertices = (MyVector[])vertices.Clone();
mesh.m_faces = new CFace[faces.Length / 3];
List<CEdge> edges = new List<CEdge>();
mesh.boundingShpereRadius = 0;
for (int i = 0; i < vertices.Length; i++)
{
if (vertices[i].Length > mesh.boundingShpereRadius)
mesh.boundingShpereRadius = vertices[i].Length;
}
for (int i = 0; i < faces.Length; i += 3)
{
mesh.m_faces[i / 3].v1 = faces[i];
mesh.m_faces[i / 3].v2 = faces[i + 1];
mesh.m_faces[i / 3].v3 = faces[i + 2];
mesh.m_faces[i / 3].n = ((mesh.m_vertices[faces[i + 1]] - mesh.m_vertices[faces[i]]) ^
(mesh.m_vertices[faces[i + 2]] - mesh.m_vertices[faces[i]])).Normalize();
bool be1 = false, be2 = false, be3 = false;
CEdge e1, e2, e3;
e1 = new CEdge();
e1.v1 = faces[i];
e1.v2 = faces[i + 1];
e2 = new CEdge();
e2.v1 = faces[i + 1];
e2.v2 = faces[i + 2];
e3 = new CEdge();
e3.v1 = faces[i + 2];
e3.v2 = faces[i];
for (int j = 0; j < edges.Count; j++)
{
if (!be1 && edges[j].CompareTo(e1) == 0)
be1 = true;
if (!be2 && edges[j].CompareTo(e2) == 0)
be2 = true;
if (!be3 && edges[j].CompareTo(e3) == 0)
be3 = true;
}
if (!be1)
edges.Add(e1);
if (!be2)
edges.Add(e2);
if (!be3)
edges.Add(e3);
}
mesh.m_edges = edges.ToArray();
mesh.m_hardPoints = (MyVector[])vertices.Clone();
return mesh;
}
