/// <summary>
/// Computes the movement of the camera in 3D space for this frame.
/// </summary>
private void Calculate2DMovement()
{
var mouseX = Mouse.GetCursorState().X;
var mouseY = Mouse.GetCursorState().Y;
float deltaMouseX = this.InitialMouseX - mouseX;
float deltaMouseY = this.InitialMouseY - mouseY;
_movement.Calculate2DMovement(deltaMouseX, deltaMouseY, this.DeltaTime);
// Update the initial location for the next frame
this.InitialMouseX = mouseX;
this.InitialMouseY = mouseY;
}