31

2024/sketch_2024_12_31/sketch_2024_12_31.py

@@ -0,0 +1,81 @@
+# Not exactly what I wanted (like the year 2024 itself)
+from itertools import product
+
+import py5
+from shapely import Polygon
+from scipy.spatial import Voronoi
+
+def setup():
+    global imga, imgb, f
+    py5.size(600, 600)
+    py5.color_mode(py5.HSB)
+    f = py5.create_font('Tomorrow Bold', 200)
+    imga = py5.create_graphics(600, 600)
+    imga.begin_draw()
+    imga.text_font(f)
+    imga.text_align(py5.CENTER, py5.CENTER)
+    imga.text('2024', 300, 300)
+    imga.end_draw()
+    imgb = py5.create_graphics(600, 600)
+    imgb.begin_draw()
+    imgb.text_font(f)
+    imgb.text_align(py5.CENTER, py5.CENTER)
+    imgb.text('2025', 300, 300)
+    imgb.end_draw()
+    new_points()
+
+def new_points():
+    global seed_points, shapely_regions, colors
+    R = 5
+    W = 30
+    seed_points = []
+    for i in range(4):
+        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)))
+    shapely_regions, colors = generate_regions(seed_points, py5.width, py5.height)
+
+def generate_regions(seed_points, w, h):
+    # add 4 points far from the visible region
+    extended_points = seed_points.copy()
+    extended_points.extend([
+         (-w/2, -h/2),
+         (w * 1.5, -h/2),
+         (w * 1.5, h * 1.5),
+         (-w/2, h * 1.5)
+         ])
+    voronoi = Voronoi(extended_points)
+    shapely_regions = []
+    for vs in voronoi.regions:
+        if vs and -1 not in vs:
+            shapely_regions.append(
+                Polygon(voronoi.vertices[index] for index in vs if index != -1)
+            )
+    colors = []
+    for i, r in enumerate(shapely_regions):
+        a = imga.get_pixels(int(r.centroid.x), int(r.centroid.y))
+        b = imgb.get_pixels(int(r.centroid.x), int(r.centroid.y))
+        ca = py5.color(8 * len(r.exterior.coords), 150, 100) if a == -1 else py5.color(100)
+        cb = py5.color(16 * len(r.exterior.coords), 200, 200) if b == -1 else py5.color(100)
+        colors.append((ca, cb))
+    return shapely_regions, colors
+
+def draw():
+    t = 1 #py5.remap(py5.mouse_x, 0, py5.width, 0, 1)
+    py5.stroke(0)
+    for s, (ca, cb) in zip(shapely_regions, colors):
+        cc = py5.lerp_color(ca, cb, t)
+        py5.fill(cc)
+        py5.shape(py5.convert_cached_shape(s))
+
+
+def key_pressed():
+    if py5.key == ' ':
+        new_points()
+    elif py5.key == '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_31
+
+![sketch_2024_12_31](https://raw.githubusercontent.com/villares/sketch-a-day/main/2024/sketch_2024_12_31/sketch_2024_12_31.gif)
+
+[sketch_2024_12_31](https://github.com/villares/sketch-a-day/tree/main/2024/sketch_2024_12_31) [[py5](https://py5coding.org/)]
+
+Hoping 2025 will be a good year!
+
 ---
 
 ### sketch_2024_12_30