public void Draw(Program program, ref Matrix4d world, SetWorldMatrixCallback setWorldMatrix, IModelMaterialBinder materialBinder)
{
ModelMaterial material = null;
foreach (ModelMesh mesh in meshes) {
if (setWorldMatrix != null) {
Matrix4d meshWorld;
if (mesh.bone != null) {
mesh.bone.GetWorldTransform(out meshWorld);
world.Multiply(ref meshWorld, out meshWorld);
setWorldMatrix.Invoke(ref meshWorld);
}
}
foreach (ModelPart part in mesh.parts) {
if (part.Material != null && part.Material != material && materialBinder != null) {
material = part.Material;
materialBinder.BindMaterial(part.Material);
}
program.Draw(part.Primitive, part.Count, elementBuffer, elementType, part.Offset);
}
}
}