18 lines
484 B
Markdown
18 lines
484 B
Markdown
```python
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# https://iquilezles.org/articles/palettes/
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import numpy as np
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W, H = 800, 20
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imgs = []
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for _ in range(50):
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a, b, c, d = np.random.rand(4, 3)
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# b = a * b
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# c = np.ones(3)
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palette = lambda t: np.clip(a + b * np.cos(np.pi * (c * t + d)), 0, 1)
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line = [palette(t) for t in np.linspace(0, 1, W)]
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img = np.stack([line] * H)
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img = (img * 255).astype(np.uint8)
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imgs.append(img)
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img = np.vstack(imgs)
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__import__('PIL.Image').Image.fromarray(img)
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``` |