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I need to generate something like this

enter image description here

for my water Shader, because on fly calculations are to expensive for mobile (https://docs.unity3d.com/Packages/com.unity.shadergraph@6.9/manual/Gradient-Noise-Node.html). The texture needs to be seamless. I currently clueless where and how to make this happen (especially about the seamless thing). Any help appreciated!

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  • \$\begingroup\$ Presumably you searched through past Q&A on making tiling Perlin or Simplex Noise? What have you tried based on your research so far? \$\endgroup\$
    – DMGregory
    Jun 2 '20 at 20:08
  • \$\begingroup\$ Reading trough this gamedev.stackexchange.com/questions/23625/… . I do not quite understand if gradient noise is same as Perlin. \$\endgroup\$ Jun 2 '20 at 20:10
  • \$\begingroup\$ Gradient noise is a general category of noise generation strategies. Perlin Noise and Simplex Noise are two popular and related algorithms that use this gradient-based strategy. Perlin is arguably a bit easier to tile in a rectangular domain, since simplex noise uses an equilateral triangular grid whose period parallelogram doesn't exactly match a power-of-two texture size. \$\endgroup\$
    – DMGregory
    Jun 2 '20 at 20:12
  • \$\begingroup\$ Can do, or you can simply delete the question yourself if you're satisfied with answers you've found elsewhere. \$\endgroup\$
    – DMGregory
    Jun 3 '20 at 10:52