Clybius
/ perlin.py
Created
May 17, 2023 17:08
— forked from vadimkantorov/perlin.py
Perlin noise in PyTorch
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| # ported from https://github.com/pvigier/perlin-numpy/blob/master/perlin2d.py | |
| import torch | |
| import math | |
| def rand_perlin_2d(shape, res, fade = lambda t: 6*t**5 - 15*t**4 + 10*t**3): | |
| delta = (res[0] / shape[0], res[1] / shape[1]) | |
| d = (shape[0] // res[0], shape[1] // res[1]) | |
| grid = torch.stack(torch.meshgrid(torch.arange(0, res[0], delta[0]), torch.arange(0, res[1], delta[1])), dim = -1) % 1 |