11

2025/sketch_2025_01_11/sketch_2025_01_11.py

@@ -0,0 +1,66 @@
+# Wolfram's cellular automata + some color
+# Inspired by something made by Carlos @vamoss a long time ago.
+
+from random import choice
+import numpy as np
+import py5
+
+rows = cols = 100
+scale_factor = 8
+
+def setup():
+    py5.size(800, 800)
+    py5.no_smooth()
+    py5.stroke_cap(py5.PROJECT)
+    py5.stroke_weight(scale_factor)    
+    start()
+
+def start():
+    global matrix, gen, ruleset
+    matrix = np.zeros((cols, rows), dtype=int)
+    matrix[cols // 2, 0] = 1 # Starts with "1" in the middle of the first line
+    matrix[:, 0] = [choice((0, 1)) for _ in range(cols)]
+    gen = 0
+    #ruleset = [choice((0, 1)) for _ in range(8)]
+    ruleset = np.array(list(reversed([1, 0, 1, 0, 0, 1, 1, 0])))
+    print(ruleset)
+
+def predraw_update():
+    new_gen()
+    py5.window_title(f'{py5.get_frame_rate():0.1f}')
+
+def draw():
+    py5.background(200)
+    offset = gen % rows
+    for i in range(cols):
+        for j in range(rows):
+            y = j - offset
+            if y <= 0:
+                y = rows + y
+            if matrix[i, j] == 1:  # Se a célula i, está viva/ativa/1
+                left = matrix[(i + cols - 1) % cols, j - 1]
+                centre = matrix[i, j - 1]
+                right = matrix[(i + 1) % cols, j - 1]
+                c = py5.color(55 + left * 100, 55 + centre * 100, 55 + right * 100)
+                py5.stroke(c) 
+            else:
+                py5.stroke(200)
+            py5.point(i * scale_factor , (y - 1) * scale_factor)
+
+
+def new_gen():
+    global gen
+    current_row = matrix[:, gen % rows]
+    left = np.roll(current_row, 1)
+    right = np.roll(current_row, -1)
+    rule_idx = (left << 2) + (current_row << 1) + right
+    matrix[:, (gen + 1) % rows] = ruleset[rule_idx]
+    gen += 1
+
+def key_pressed():
+    if py5.key == ' ':
+        start()
+    else:
+        py5.save_frame(f'{str(ruleset)}-###.png')
+
+py5.run_sketch()

docs/README.md

@@ -21,6 +21,16 @@ If you appreciate what I have been doing, you may also support my artistic work,
 2025 \| [<b>2024</b>](2024.md) \| [<b>2023</b>](2023.md) \| [<b>2022</b>](2022.md) \| [<b>2021</b>](2021.md) \| [<b>2020</b>](2020.md) \| [<b>2019</b>](2019.md) \| [<b>2018</b>](2018.md) 
 
 
+---
+
+### sketch_2025_01_11
+
+![sketch_2025_01_11](https://raw.githubusercontent.com/villares/sketch-a-day/main/2025/sketch_2025_01_11/sketch_2025_01_11.png)
+
+[sketch_2025_01_11](https://github.com/villares/sketch-a-day/tree/main/2025/sketch_2025_01_11) [[py5](https://py5coding.org/)]
+
+#Wolfram #genuary2025 #genuary11 I wanted to optimize with NumPy but couldn't do much, the drawing part needs more work...
+
 ---
 
 ### sketch_2025_01_10