Remove usage of max_size from displayio.Group

CircuitPython_RGBMatrix/fruit.py

@@ -53,7 +53,7 @@ class Wheel(displayio.TileGrid):
             if time.monotonic_ns() > self.stop_time:
                 self.state = BRAKING
         elif self.state == BRAKING:
-            # More quickly lose speed when baking, down to speed 7
+            # More quickly lose speed when braking, down to speed 7
             self.vel = max(self.vel * 85 // 100, 7)
 
         # Advance the wheel according to the velocity, and wrap it around
@@ -72,7 +72,6 @@ class Wheel(displayio.TileGrid):
         if self.state == BRAKING and self.vel == 7 and yyy < 4:
             self.pos = off * 24 * 16
             self.vel = 0
-            yy = 0
             self.state = STOPPED
 
         # Move the displayed tiles to the correct height and make sure the
@@ -87,11 +86,11 @@ class Wheel(displayio.TileGrid):
     def kick(self, i):
         self.state = RUNNING
         self.vel = random.randint(256, 320)
-        self.stop_time = time.monotonic_ns() + 3000000000 + i * 350000000
+        self.stop_time = time.monotonic_ns() + 3_000_000_000 + i * 350_000_000
 
 # Our fruit machine has 3 wheels, let's create them with a correct horizontal
 # (x) offset and arbitrary vertical (y) offset.
-g = displayio.Group(max_size=3)
+g = displayio.Group()
 wheels = []
 for idx in range(3):
     wheel = Wheel()
@@ -119,7 +118,7 @@ for idx, si in enumerate(wheels):
 
 # Here's the main loop
 while True:
-    # Refresh the dislpay (doing this manually ensures the wheels move
+    # Refresh the display (doing this manually ensures the wheels move
     # together, not at different times)
     display.refresh(minimum_frames_per_second=0)
     if all_stopped():

CircuitPython_RGBMatrix/life.py

@@ -85,10 +85,10 @@ b2 = displayio.Bitmap(display.width//SCALE, display.height//SCALE, 2)
 palette = displayio.Palette(2)
 tg1 = displayio.TileGrid(b1, pixel_shader=palette)
 tg2 = displayio.TileGrid(b2, pixel_shader=palette)
-g1 = displayio.Group(max_size=3, scale=SCALE)
+g1 = displayio.Group(scale=SCALE)
 g1.append(tg1)
 display.show(g1)
-g2 = displayio.Group(max_size=3, scale=SCALE)
+g2 = displayio.Group(scale=SCALE)
 g2.append(tg2)
 
 # First time, show the Conway tribute

CircuitPython_RGBMatrix/scroller.py

@@ -30,14 +30,14 @@ def tilegrid(palette):
         bitmap=terminalio.FONT.bitmap, pixel_shader=palette,
         width=1, height=1, tile_width=6, tile_height=14, default_tile=32)
 
-g = displayio.Group(max_size=2)
+g = displayio.Group()
 
 # We only use the built in font which we treat as being 7x14 pixels
 linelen = (64//7)+2
 
 # prepare the main groups
-l1 = displayio.Group(max_size=linelen)
-l2 = displayio.Group(max_size=linelen)
+l1 = displayio.Group()
+l2 = displayio.Group()
 g.append(l1)
 g.append(l2)
 display.show(g)
@@ -101,7 +101,6 @@ def scroll(t, b):
             l1.x = -j
             l2.x = -j
             display.refresh(minimum_frames_per_second=0)
-            #display.refresh(minimum_frames_per_second=0)
 
 # Repeatedly scroll all the pairs of lines
 while True: