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2024/sketch_2024_12_30/sketch_2024_12_30.py

@@ -0,0 +1,82 @@
+# Delaunay play
+from itertools import product
+
+import py5
+from py5_tools import animated_gif
+
+from scipy.spatial import Delaunay
+import numpy as np
+
+num_points = 200
+seed = 0
+tris = []
+
+def setup():
+    py5.size(600, 600, py5.P2D)
+    py5.color_mode(py5.HSB)
+    new_points()
+#     animated_gif('out.gif', duration=0.2,
+#                  frame_numbers=range(1, 361, 6),
+#                  optimize=True)
+
+def new_points():
+    global seed_points, tris
+    W = 60
+    R = 20
+    py5.random_seed(seed)
+    seed_points = []
+    while len(seed_points) < num_points:
+        x, y = py5.random(py5.width),  py5.random(py5.height)
+        d = py5.dist(x, y, py5.width / 2, py5.height / 2)
+        if py5.random(d) < 50:
+            seed_points.append((x, y))
+    pts = np.array(seed_points)
+    tri = Delaunay(seed_points)
+    tris = pts[tri.simplices]
+
+def draw():
+    py5.random_seed(seed)
+    py5.background(0)
+    #py5.translate(50, 50)
+    #py5.scale(500 / 600)
+    #py5.no_stroke()
+    if len(tris):
+        shp = py5.create_shape()
+        num_vertices = tris.shape[0] * 3
+        vs = tris.reshape(num_vertices, 2)
+        with shp.begin_closed_shape(py5.TRIANGLES):
+              shp.vertices(vs)  
+        shp.set_fills(noise_colors(vs))
+        py5.shape(shp)
+#     f = py5.frame_count
+#     if f < 361 and f % 5 == 0:
+#         py5.save_frame('###.png')
+
+
+
+def noise_colors(vs):
+    step = py5.TAU / len(vs)
+    colors = []
+    for i, (xo, yo) in enumerate(vs):
+        a = py5.radians(py5.frame_count)
+        x = py5.cos(a)
+        y = py5.sin(a)  
+        b = 255 * (1 + py5.os_noise(xo, yo, x)) / 2
+        h = 255 * (1 + py5.os_noise(xo, yo, y)) / 2
+        s = 255 * (1 + py5.os_noise(xo + x, yo + y)) / 2
+        #colors.append(py5.color(h, s, b))
+        colors.append(py5.color(s))
+
+    #print(colors[-1])
+    return colors
+
+def key_pressed():
+    global seed
+    if py5.key == ' ':
+        seed += 1
+        new_points()
+    elif str(py5.key).lower() == 's':
+        py5.save_frame('out###.png')
+
+
+py5.run_sketch(block=False)

docs/README.md

@@ -32,6 +32,16 @@ Here are listed some of the tools I have been using more recently:
 
 
 
+---
+
+### sketch_2024_12_30
+
+![sketch_2024_12_30](https://raw.githubusercontent.com/villares/sketch-a-day/main/2024/sketch_2024_12_30/sketch_2024_12_30.png)
+
+[sketch_2024_12_30](https://github.com/villares/sketch-a-day/tree/main/2024/sketch_2024_12_30) [[py5](https://py5coding.org/)]
+
+
+
 ---
 
 ### sketch_2024_12_29