//------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------
public ResourceItem Convert(object input, String collection)
{
if (input == null)
return null;
MeshObject obj = (MeshObject) input;
MeshItem ret = new MeshItem(this._graphics);
if (obj.Indexes == null) obj.Indexes = SystemCore.Environment.CreateUInt16Array(0);
if (obj.Vertices == null) obj.Vertices = SystemCore.Environment.CreateFloat32Array(0);
if (obj.Normals == null) obj.Normals = SystemCore.Environment.CreateFloat32Array(0);
if (obj.UVs == null) obj.UVs = SystemCore.Environment.CreateFloat32Array(0);
ret.Indexes = SystemCore.Environment.CreateUInt16ArrayFromArray(obj.Indexes);
ret.Mesh = SystemCore.Environment.CreateFloat32Array((ulong) (obj.Vertices.Length + obj.Normals.Length + obj.UVs.Length));
ret.OffsetPosition = 0;
ret.OffsetNormal = obj.Vertices.Length;
ret.OffsetUv = obj.Vertices.Length + obj.Normals.Length;
/*mesh data*/
for (int i = 0; i < obj.Vertices.Length; i++) ret.Mesh[i] = obj.Vertices[i];
for (int i = 0; i < obj.Normals.Length; i++) ret.Mesh[i + ret.OffsetNormal] = obj.Normals[i];
for (int i = 0; i < obj.UVs.Length; i++) ret.Mesh[i + ret.OffsetUv] = obj.UVs[i];
/*bounding volume*/
ret.ComputeBoundingVolume();
return ret;
}