Description Squares and rectangles fascinated the famous Dutch painter Piet Mondriaan. One night, after producing the drawings in his ‘toilet series’ (where he had to use his toilet paper to draw on,
写在前面 好久没写文章。最近在看《Real Time Rendering, third edition》这本书,看到了NPR这一章就想顺便记录下一些常见的轮廓线渲染的方法。 在非真实感渲染中,对轮廓线的渲染是一个应用非常广泛的手法。根据《Real Time Rendering, third edition》一书的总结,在这篇文章里介绍几种常见的渲染方法。当然,这里只是抛砖引玉,如果要用于实