protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
//fix render Context Provider
this.sceneControl1.Scene.OpenGL = this.sceneControl1.OpenGL;
//clear the default scene
this.sceneControl1.Scene.SceneContainer.Children.Clear();
//create the default camera
OrthographicCamera orthCamera = new OrthographicCamera();
this.comboBox1.Items.Add(orthCamera);
Size clientSize = this.sceneControl1.ClientSize;
orthCamera.Left = this.modelSpace.Left;
orthCamera.Right = this.modelSpace.Right;
orthCamera.Bottom = this.modelSpace.Bottom;
orthCamera.Top = this.modelSpace.Top;
orthCamera.Near = this.modelSpace.Near;
orthCamera.Far = this.modelSpace.Far;
orthCamera.Position = new Vertex(0.0f, 0.0f, 0.0f);
orthCamera.AspectRatio = 1.0f;
LookAtCamera persCamera = new LookAtCamera();
this.comboBox1.Items.Add(persCamera);
persCamera.Position = new Vertex(0.0f, 0.0f, (float)(modelSpace.Near + modelSpace.Near));
persCamera.Near = Math.Abs(modelSpace.Near);
persCamera.Far = float.MaxValue;
persCamera.Target = new Vertex(0, 0, 0);
persCamera.UpVector = new Vertex(0, 1, 0);
//create model
BoundingBox space = new BoundingBox();
space.Name = "Virtual Space";
space.LBN = new Vertex(-5000, -5000, 5000);
space.RTF = new Vertex(5000, 5000, -5000);
this.sceneControl1.Scene.SceneContainer.AddChild(space);
space.AddEffect(arcBallEffect);
BoundingBox volume1 = new BoundingBox();
volume1.Name = "volume1";
volume1.LBN = new Vertex(-4000, -2000, 4000);
volume1.RTF = new Vertex(-3500, -1500, 3500); //size is 5000
space.AddChild(volume1);
BoundingBox volume2 = new BoundingBox();
volume2.Name = "volume2";
volume2.LBN = new Vertex(-2000, -2000, 2000);
volume2.RTF = new Vertex(2000, 2000, -2000);
space.AddChild(volume2);
this.comboBox1.SelectedIndex = 0;
}