//为了实现移动镜头的效果，开始移动背景
public void MoveBackground()
{
if (NowCube.RefreshDirection == NextCube.RefreshDirection)
{
FamilyCanvas.SetValue(Canvas.LeftProperty, LastLeftValue - NextCube.k * (NextCube.dx / CameraMoveFrames));
FamilyCanvas.SetValue(Canvas.TopProperty, LastTopValue + (NextCube.dy / CameraMoveFrames));
}
if (NowCube.RefreshDirection != NextCube.RefreshDirection)
{
FamilyCanvas.SetValue(Canvas.TopProperty, LastTopValue + (NextCube.dy / CameraMoveFrames));
}
}
