private void DrawCombinedMesh()
{
MeshPolygonGroup polygonGroup = (MeshPolygonGroup)Shape.PolygonGroups[LODMeshLevel];
GL.DrawElements(OpenGLHelper.PrimitiveTypes[polygonGroup.PrimitiveType],
(int)polygonGroup.Faces.Count,
polygonGroup.DrawElementsType,
(int)0);
}
private void DrawSubMesh()
{
MeshPolygonGroup polygonGroup = (MeshPolygonGroup)Shape.PolygonGroups[LODMeshLevel];
foreach (var subMesh in polygonGroup.SubMeshes)
{
GL.DrawElements(OpenGLHelper.PrimitiveTypes[polygonGroup.PrimitiveType],
(int)subMesh.Count,
polygonGroup.DrawElementsType,
(int)subMesh.Offset);
}
}
/// <summary>
/// Updates the current polygon groups from the shape data.
/// </summary>
public void UpdatePolygonGroups()
{
PolygonGroups = new List <STPolygonGroup>();
int boundingIndex = 0;
foreach (var mesh in Shape.Meshes)
{
//Set group as a level of detail
var group = new MeshPolygonGroup(Shape, mesh, boundingIndex);
group.Material = Material;
PolygonGroups.Add(group);
//Todo not all versions use per mesh boundings
//boundingIndex += mesh.SubMeshes.Count;
}
}