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dist/ba_root/mods/features/snow_fall.py

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+import random
+import ba
+
+def snowfall_generator(activity, count=10, fall_speed=0.1, scale=0.3):
+    def generate_snowfall():
+        for _ in range(count):
+            p = (-10 + (random.random() * 30), 15, -10 + (random.random() * 30))
+            v = ((-5.0 + random.random() * 30.0) * (-1.0 if p[0] > 0 else 1.0), -50.0 * fall_speed,
+                 (-5.0 + random.random() * 30.0) * (-1.0 if p[0] > 0 else 1.0) * fall_speed)
+            snowfall = ba.emitfx(position=p,
+                                  velocity=v,
+                                  count=10,
+                                  scale=scale + random.random() * 0.1,  # Random scale between scale and scale + 0.1
+                                  spread=0.0,
+                                  chunk_type='ice')  # Emit particles that stick to surfaces
+            if snowfall is not None:
+                # Add a timer to delete the snowfall particles after falling
+                ba.timer(random.uniform(1.0, 3.0), snowfall.delete)
+                activity.snowfall_particles.append(snowfall)
+
+    # Generate snowfall continuously
+    ba.timer(0.1, generate_snowfall, repeat=True)
+
+# Attach the snowfall_generator function to the Activity class
+ba._activity.Activity.snowfall_generator = snowfall_generator