Create sketch_2025_01_09-10.py

2025/sketch_2025_01_09/sketch_2025_01_09-10.py

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+# 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
+
+def setup():
+    py5.size(800, 800)
+    py5.no_smooth()
+    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 = [1, 0, 1, 0, 0, 1, 1, 0]
+
+    print(ruleset)
+
+
+def draw():
+    py5.background(200)
+    py5.scale(8)
+    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, y - 1)
+    new_gen()
+
+def new_gen():
+    global gen
+    for i in range(cols):
+        left = matrix[(i + cols - 1) % cols, gen % rows]
+        centre = matrix[i, gen % rows]
+        right = matrix[(i + 1) % cols, gen % rows]
+        result = ruleset[left  * 4 +  centre * 2 +  right * 1]
+        matrix[i, (gen + 1) % rows] =  result 
+    gen += 1
+
+def key_pressed():
+    if py5.key == ' ':
+        start()
+    else:
+        py5.save_frame('####.png')
+
+py5.run_sketch()