wip

forest.py

@@ -0,0 +1,63 @@
+import math
+
+from noise import pnoise2
+import pygame
+
+# Initialize pygame
+pygame.init()
+
+base = 0
+persistence = 0.4
+lacunarity = 2.0
+more_x = 0
+# Set up the drawing window
+screen = pygame.display.set_mode([800, 600])
+
+
+def S():
+    i = 0
+    while True:
+        i += 0.1
+        yield math.sin(i)
+
+
+s = S()
+
+# Run until the user asks to quit
+running = True
+while running:
+
+    # Did the user click the window close button?
+    for event in pygame.event.get():
+        if event.type == pygame.QUIT:
+            running = False
+
+    # Fill the background with white
+    screen.fill((255, 255, 255))
+
+    m = next(s)
+    # Generate Perlin noise
+    for x in range(800):
+        for y in range(600):
+            noise = pnoise2(
+                x / 10,
+                y / 10,
+                octaves=4,
+                persistence=persistence + m / 10,
+                lacunarity=lacunarity,
+                repeatx=1024,
+                repeaty=1024,
+                base=base,
+            )
+            if noise > 0.2:
+                pygame.draw.rect(screen, (0, 255, 0), (x, y, 1, 1))
+            elif noise > 0:
+                pygame.draw.rect(screen, (0, 128, 0), (x, y, 1, 1))
+            else:
+                pygame.draw.rect(screen, (0, 64, 0), (x, y, 1, 1))
+
+    # Flip the display
+    pygame.display.flip()
+
+# Done! Time to quit.
+pygame.quit()