Update examples to work with new image/display API.

Author: Mark Shannon

examples/conway.py

@@ -10,9 +10,11 @@
 arena2 = bytearray(7 * 7)
 
 def show():
+    img = microbit.Image(5,5)
     for y in range(5):
         for x in range(5):
-            microbit.display.image.set_pixel(x, y, arena1[8 + y * 7 + x])
+            img.set_pixel(x, y, arena1[8 + y * 7 + x]*9)
+            microbit.display.print(img)
 
 # do 1 iteration of Conway's Game of Life
 def conway_step():

examples/maze.py

@@ -5,7 +5,7 @@
 
 import microbit
 
-d = microbit.display.image
+d = microbit.display
 ac = microbit.accelerometer
 
 # the maze data, as binary numbers (outside walls are added automatically)
@@ -34,10 +34,15 @@ def get_maze(x, y):
     else:
         return 1
 
-def draw(x, y):
+def draw(x, y, tick):
+    img = microbit.Image(5,5)
     for j in range(5):
         for i in range(5):
-            d.set_pixel(i, j, get_maze(x + i - 2, y + j - 2))
+            img.set_pixel(i, j, get_maze(x + i - 2, y + j - 2)*5)
+
+    # draw the player, flashing
+    img.set_pixel(2, 2, (tick & 1)*4+5)
+    d.print(img)
 
 def main():
     x = 0
@@ -60,10 +65,8 @@ def main():
             y = min(15, max(0, y))
 
         # draw the maze
-        draw(x, y)
+        draw(x, y, tick)
 
-        # draw the player, flashing
-        d.set_pixel(2, 2, tick & 1)
 
         microbit.sleep(50)
 

examples/pomodoro.py

@@ -12,7 +12,7 @@
 
 CLOCK_ADJUST = 4/60 
 
-ALL_LEDS_ON = Image('1,1,1,1,1\n'*5)
+ALL_LEDS_ON = Image('99999\n'*5)
 
 
 def index_to_xy(i):

examples/simple_slalom.py

@@ -4,8 +4,6 @@
 
 import microbit as m
 
-m.display.set_display_mode(1)
-
 p = m.display.print
 
 min_x = -1024
@@ -98,7 +96,7 @@
                 use_wall_y = max(wall_y, 0)
                 for wall_x in range(5):
                     if wall_x != hole:
-                        s(wall_x, use_wall_y, 32)
+                        s(wall_x, use_wall_y, 6)
 
         if wall_reached_player and not handled_this_wall:
             handled_this_wall = True
@@ -108,7 +106,7 @@
             score += 1
 
         if player_update:
-            s(player_x, 4, 255) # turn on new pixel
+            s(player_x, 4, 9) # turn on new pixel
 
         p(i)
 

examples/watch.py

@@ -78,8 +78,8 @@ def show_time(time):
 
 
 def show_colon(visible):
-    display.image.set_pixel(2, 1, visible)
-    display.image.set_pixel(2, 3, visible)
+    display.set_pixel(2, 1, visible*9)
+    display.set_pixel(2, 3, visible*9)
 
 
 def get_clock_time():
@@ -98,16 +98,16 @@ def plot_LED_column(column, number):
     if number <= 5:
         for i in range(4, -1, -1):
             if i < 5 - number:
-                display.image.set_pixel(column, i, 0)
+                display.set_pixel(column, i, 0)
             else:
-                display.image.set_pixel(column, i, 1)
+                display.set_pixel(column, i, 9)
 
     if number > 5:
         for i in range(4, -1, -1):
             if i < 5 - (number - 5):
-                display.image.set_pixel(column, i, 1)
+                display.set_pixel(column, i, 9)
             else:
-                display.image.set_pixel(column, i, 0)
+                display.set_pixel(column, i, 0)
 
 
 while True: