void ImportGeometry(Collada141.geometry geometry)
{
var mesh = geometry.Item as Collada141.mesh;
if (mesh == null) return;
var float_array = mesh.source[0].Item as Collada141.float_array;
this.Coordinates = new Vector3[float_array.Values.Length / 3];
for (int i = 0; i < Coordinates.Length; i++)
{
Coordinates[i] = new Vector3(
(float)float_array.Values[i * 3 + 0],
(float)float_array.Values[i * 3 + 1],
(float)float_array.Values[i * 3 + 2]);
}
var poly_list = mesh.Items[0] as Collada141.polylist;
if (poly_list == null) return;
Triangle[] triangles = new Triangle[poly_list.count];
var raw_indices = Collada141.COLLADA.ConvertIntArray(poly_list.p);
for (int i = 0; i < triangles.Length; i++)
{
triangles[i] = new Triangle()
{
MaterialID = 0,
Vertex1 = (ushort)raw_indices[i * (3 * 2) + (0 * 2)],
Vertex2 = (ushort)raw_indices[i * (3 * 2) + (1 * 2)],
Vertex3 = (ushort)raw_indices[i * (3 * 2) + (2 * 2)],
};
}
List<ushort> triangle_indices = new List<ushort>(triangles.Length * 3);
foreach (var triangle in triangles)
{
triangle_indices.AddRange(triangle.ToArray());
}
Adjacencies adj = new Adjacencies(triangle_indices.ToArray());
this.Indices = adj.GenerateTriangleStrip();
this.Primitives = new MeshPrimitive[] { new MeshPrimitive(0, (ushort)Indices.Length) };
}
public void ImportFromCollada(Collada141.COLLADA collada)
{
var geometries = collada.Items.SingleOrDefault(x => x is Collada141.library_geometries) as Collada141.library_geometries;
if (geometries == null) return;
ImportGeometry(geometries.geometry[0]);
}
