re-entrant

src/doodles/examples/balls.py

@@ -24,7 +24,6 @@ class Ball(Circle):
         if self.y > world.HEIGHT + 20:
             self.move(0, -world.HEIGHT-20)
 
-balls = [Ball().pos(40*i, 0).radius(10).color(Color.BLUE) for i in range(21)]
 
 
 class GravityBall(Circle):
@@ -40,5 +39,6 @@ class GravityBall(Circle):
             self.speed *= -0.98 # dampening
             self.pos(self.x, world.HEIGHT - 10.01)
 
-
-grav = [GravityBall().pos(20+40*i, 0).radius(10).color(Color.PURPLE) for i in range(21)]
+def create():
+    balls = [Ball().pos(40*i, 0).radius(10).color(Color.BLUE) for i in range(21)]
+    grav = [GravityBall().pos(20+40*i, 0).radius(10).color(Color.PURPLE) for i in range(21)]

src/doodles/examples/circles.py

@@ -1,10 +1,9 @@
 from doodles.doodles import Group, Circle, Color
 from doodles.world import world
 
-c = Circle()
-
-g = Group().pos(400, 300)
-for r in range(20, 50, 5):
-    Circle(g).radius(r).color(Color.random()).z_index(-r)
-for r in range(60, 150, 10):
-    Circle(g).radius(r).color(Color.random()).z_index(-r)
+def create():
+    g = Group().pos(400, 300)
+    for r in range(20, 50, 5):
+        Circle(g).radius(r).color(Color.random()).z_index(-r)
+    for r in range(60, 150, 10):
+        Circle(g).radius(r).color(Color.random()).z_index(-r)

src/doodles/examples/copies.py

@@ -7,10 +7,7 @@ def original():
         c = c.copy().move(45, 45)
     return g
 
-r = original()
-r.copy().move(200, 0).color(Color.GREEN)
-r.copy().move(400, 0).color(Color.BLUE)
-
-# from doodles.world import world
-# for d in world._drawables:
-#     print(" >", d)
+def create():
+    r = original()
+    r.copy().move(200, 0).color(Color.GREEN)
+    r.copy().move(400, 0).color(Color.BLUE)

src/doodles/examples/grid.py

@@ -9,5 +9,6 @@ def same_spiral():
             Line(g).vec(d, 200 - d)
         yield g
 
-# Make copies, moving each one and modifying the color
-make_grid(same_spiral(), 3, 4, 250, 140, x_offset=70, y_offset=20)
+def create():
+    # Make copies, moving each one and modifying the color
+    make_grid(same_spiral(), 3, 4, 250, 140, x_offset=70, y_offset=20)

src/doodles/examples/rects.py

@@ -1,5 +1,5 @@
 from doodles.doodles import Group, Rectangle, Color
 
-for _ in range(100):
-    r = Rectangle().random(250)
-
+def create():
+    for _ in range(100):
+        r = Rectangle().random(250)

src/doodles/main.py

@@ -30,7 +30,7 @@ def load_module(modname):
             raise ImportError(
                 f"Tried to import {modname} and doodles.examples.{modname}"
             )
-    return mod
+    return mod.create()
 
 
 def main(modname: str = None):