Unlike our previous examples, we’re now going to consider how these polygons are oriented in 3D space -- they’re no longer parallel to the screen, but rather tilted in different 3D directions.

与我们之前的示例不同，我们现在要考虑这些多边形在 3D 空间中的定向方式——它们不再平行于屏幕，而是在不同的 3D 方向上倾斜。