We use the GI Sky Sampler and an HDRI image to light the scene without any actual lights.

我们使用GI天空取样和HDRI图片而不是实际的灯光，来照亮这个场景。

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When rendered, the image looks like this. You can notice that those four lights make the scene look flat. Later I'll use an ambient occlusion pass to make small details more visible.

当渲染后，你发现四盏平行光使场景看上去很平，等一会我使用一个环境光阻塞效果来加一点细节。

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Sometimes if we use a lot of bright ambient-only lights in a scene, the default shadows may look faded or pale.

当我们在场景中使用了很多个ambient - only光照时，默认的阴影看起来就显得苍白而虚假。

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Sometimes if we use a lot of bright ambient-only lights in a scene, the default shadows may look faded or pale.

当我们在场景中使用了很多个ambient - only光照时，默认的阴影看起来就显得苍白而虚假。

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