From 042b1a220a9058f254016c247294f31a4e181b9b Mon Sep 17 00:00:00 2001
From: jay817 <jaewooklee.dev@gmail.com>
Date: Sun, 13 Oct 2024 12:48:53 -0400
Subject: [PATCH] Add color-palette/README.md

---
 color-palette/README.md | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 color-palette/README.md

diff --git a/color-palette/README.md b/color-palette/README.md
new file mode 100644
index 0000000..e91df21
--- /dev/null
+++ b/color-palette/README.md
@@ -0,0 +1,18 @@
+```python
+# https://iquilezles.org/articles/palettes/
+import numpy as np
+
+W, H = 800, 20
+imgs = []
+for _ in range(50):
+    a, b, c, d = np.random.rand(4, 3)
+    # b = a * b
+    # c = np.ones(3)
+    palette = lambda t: np.clip(a + b * np.cos(np.pi * (c * t + d)), 0, 1)
+    line = [palette(t) for t in np.linspace(0, 1, W)]
+    img = np.stack([line] * H)
+    img = (img * 255).astype(np.uint8)
+    imgs.append(img)
+img = np.vstack(imgs)
+__import__('PIL.Image').Image.fromarray(img)
+```
\ No newline at end of file