public void GettingObjectAtCenterOfScreenWithSingleObjectAtCenterOfSceneShouldReturnTheObject()
{
var viewport = new Viewport {Width = 640, Height = 480};
var scene = new Scene();
var camera = new Camera(viewport) {Position = {Z = -10}};
camera.Update();
var node = new Geometry
{
BoundingSphere = new BoundingSphere(Vector.Zero, 10f)
};
scene.AddNode(node);
var nodeAtCoordinate = scene.GetNodeAtScreenCoordinate(viewport, viewport.Width / 2, viewport.Height / 2);
Assert.That(nodeAtCoordinate, Is.Not.Null);
Assert.That(nodeAtCoordinate, Is.EqualTo(node));
}