From 62f2f2d9a0cd3f41d6e57dc12a1f52eb734ec489 Mon Sep 17 00:00:00 2001
From: James Carr <lesamouraipourpre@gmail.com>
Date: Wed, 21 Jul 2021 23:06:02 +0100
Subject: [PATCH] Remove usage of max_size from displayio.Group

---
 CircuitPython_RGBMatrix/fruit.py    | 9 ++++-----
 CircuitPython_RGBMatrix/life.py     | 4 ++--
 CircuitPython_RGBMatrix/scroller.py | 7 +++----
 3 files changed, 9 insertions(+), 11 deletions(-)

diff --git a/CircuitPython_RGBMatrix/fruit.py b/CircuitPython_RGBMatrix/fruit.py
index 712bf2152..697f4a1be 100644
--- a/CircuitPython_RGBMatrix/fruit.py
+++ b/CircuitPython_RGBMatrix/fruit.py
@@ -53,7 +53,7 @@ def step(self):
             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 @@ def step(self):
         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 @@ def step(self):
     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 @@ def all_stopped():
 
 # 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():
diff --git a/CircuitPython_RGBMatrix/life.py b/CircuitPython_RGBMatrix/life.py
index f91f8d210..8e2552704 100644
--- a/CircuitPython_RGBMatrix/life.py
+++ b/CircuitPython_RGBMatrix/life.py
@@ -85,10 +85,10 @@ def conway(output):
 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
diff --git a/CircuitPython_RGBMatrix/scroller.py b/CircuitPython_RGBMatrix/scroller.py
index 4fdabb4a0..9ecb233d1 100644
--- a/CircuitPython_RGBMatrix/scroller.py
+++ b/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: