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2024/sketch_2024_12_29/sketch_2024_12_29.py

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+# 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
+
+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 = []
+    for i in range(2):
+        seed_points.extend((x + (i - 1) * py5.random(-R, R),
+                            y + i * py5.random(-R, R)) for x, y
+                            in product(range(0, py5.width + W, W),
+                                      range(0, py5.height+ W, W)))
+    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()
+    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)