![]() The nice thing about the Simplex, is that its much easier to compute and thus can be implemented in Pixel shaders.Īnother advantage of the Simplex noise over Perlin noise is that the permutation bitmaps compress very well (8KB total), making the whole XAP about 30KB total, including the sample JPEG. Simplex noise has similar characteristics to Perlin noise - it's continuous, smooth and its first derivative is smooth too. The "Noise" can be used to make effects such as fire, water, marbles, smooth motion, hand-drawn UI, space travel effects, nebulas and a lot more! You've probably heard of Perlin Noise, if not see Rene's post with realtime 3D noise here and also check out my Living Noise sample and Living Noise blog post. ![]() ![]() ![]() After tackling the Hue shader I decided to move to something even more interesting, Simplex noise.
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