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--- vfx:houdini:concepts:noise [2019/04/26 12:30] – [非连续的 Noise] codinghare
+++ vfx:houdini:concepts:noise [2019/04/26 12:34] – [Noise 的效率] codinghare
@@ 行 51: / 行 51: @@
 \\
 //Noise 3D 对比，图片来源：SideFX//
+===Noise 的效率===
+^Noise type	^Relative cost^
+|<color #900>Perlin noise (noise)</color> |1.0|
+|<color #900>Original perlin noise (onoise)</color>|1.1|
+|<color #900>Worley noise (wnoise)</color>|1.8|
+|<color #900>Sparse Convolution noise (snoise)</color>|2.1|
+|<color #900>Alligator noise (anoise)</color>|2.3|
 ====参考资料====
   * [[https://www.youtube.com/watch?v=O33YV4ooHSo|Make some noise with Python and generate terrain]]
   * [[https://vimeo.com/75313908|Working with Noise]]

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