/// <summary>
/// Calculates the bounding box of the mesh and sets the mesh to [0, 0, 0].
/// </summary>
/// <param name="mesh"></param>
public static void SetToOrigin(Geometry geom)
{
Mesh mesh = geom.Mesh;
if (mesh.BoundingBox == null)
mesh.BoundingBox = mesh.CreateBoundingBox();
Vector3f difference = geom.GetLocalTranslation().Subtract(mesh.BoundingBox.Center);
for (int i = 0; i < mesh.indices.Count; i++)
{
mesh.vertices[mesh.indices[i]].SetPosition(mesh.vertices[mesh.indices[i]].GetPosition().Add(difference));
}
mesh.SetVertices(mesh.vertices, mesh.indices);
if (geom.GetController(typeof(Scene.Physics.RigidBodyControl)) != null)
{
Scene.Physics.RigidBodyControl rbc = (Scene.Physics.RigidBodyControl)geom.GetController(typeof(Scene.Physics.RigidBodyControl));
}
geom.SetLocalTranslation(mesh.BoundingBox.Center);
}
private static void SaveGeometry(Geometry geom, XmlWriter writer)
{
writer.WriteStartElement(TOKEN_GEOMETRY);
if (geom.Name != "root")
writer.WriteAttributeString(TOKEN_NAME, geom.Name);
else
writer.WriteAttributeString(TOKEN_NAME, "root_model");
writer.WriteStartElement(TOKEN_TRANSLATION);
writer.WriteAttributeString("x", geom.GetLocalTranslation().x.ToString());
writer.WriteAttributeString("y", geom.GetLocalTranslation().y.ToString());
writer.WriteAttributeString("z", geom.GetLocalTranslation().z.ToString());
writer.WriteStartElement(TOKEN_SCALE);
writer.WriteAttributeString("x", geom.GetLocalScale().x.ToString());
writer.WriteAttributeString("y", geom.GetLocalScale().y.ToString());
writer.WriteAttributeString("z", geom.GetLocalScale().z.ToString());
writer.WriteEndElement();
writer.WriteStartElement(TOKEN_ROTATION);
writer.WriteAttributeString("x", geom.GetLocalRotation().x.ToString());
writer.WriteAttributeString("y", geom.GetLocalRotation().y.ToString());
writer.WriteAttributeString("z", geom.GetLocalRotation().z.ToString());
writer.WriteAttributeString("w", geom.GetLocalRotation().w.ToString());
writer.WriteEndElement();
writer.WriteEndElement();
if (geom.Mesh != null)
{
SaveMesh(geom.Mesh, writer);
}
SaveMaterial(geom.Material, writer);
writer.WriteEndElement();
}
