The real time reflections in the waters look awesome - seeing the shadows of two tall trees reflecting in the nearby river looked great, and so did the heat effect in one of the "hotter" dungeons.
水面的实时反射效果看上去十分惊人——看看这两棵树在附近的水面中的倒影吧，还有那个“酷热”的地下城中热空气造成的模糊效果。
This method avoids analyzing each pixel of image. It performs with less calculation and higher speed, and satisfies robust real-time basically. It also resists the effect of shadows and water marks.
该方法可以避免对所有像素点逐个分析，运算量小，检测速度快，基本满足实时性要求，具有一定的抗阴影和水迹的能力。
Several experimental results show that, this algorithm generates more plausible soft shadows for relatively uncomplicated scenes than other methods and has real-time rendering speed.
实验结果表明，对相对不复杂的场景，该算法可以生成较真实的软影效果，且绘制帧率完全达到实时。
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