Home Forums Games202-高质量实时渲染 给WpenumbraRatio乘上NEAR_PLANE / zReceiver效果更好 Reply To: 给WpenumbraRatio乘上NEAR_PLANE / zReceiver效果更好

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Tecomo
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penumbraRatio = (dReceiver – dBlocker) / dBlocker;
penumbraRatio = penumbraRatio * lightSize * NEARPLANE / dReceiver;
按理说直接penumbraRatio * lightSize就是filtersize了,后面这两是在干嘛?

“如果渲染shadowmap用的是透视投影,那根据相似三角形乘上NEAR_PLANE / zReceiver就是WpenumbraRatio在shadowmap上的大小”

这句还是没太明白,三角形是哪几个边构建的?方便的话可以麻烦画个图吗?