Noise Shaders 1.0
Can be used as generic noise generator using this technique:
worley with 2×2 window instead of 3×3
worley 3d with 2x2x2 window instead of 3x3x3
simplex 3d with analytic derivative gradient output
and last is ‘psrdnoise’ monster with 4:
2-D non-tiling simplex noise with rotating gradients, without the analytical derivative
2-D non-tiling simplex noise with rotating gradients and analytical derivative
2-D tiling simplex noise with rotating gradients, without the analytical derivative
2-D tiling simplex noise with rotating gradients and analytical derivative
Analytical derivatives return vec3 with first element is a vector of the noise value. And 2nd and 3rd are x and y partial derivatives.
You can test any of the shaders by creating a Sprite node, creating new ImageTexture for it (size like 256×256 would be fine), creating new shader material for it and loading desired shader to it. (try simplex3d.tres ^_^)
Specification: Noise Shaders
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