Merge pull request #337 from jedgarpark/magic-nine-ball-fix

Magic nine ball fix

Author: TheKitty

Magic_Nine_Ball/magic_nine_ball.py

@@ -16,10 +16,11 @@
 board.DISPLAY.show(splash)
 
 max_brightness = 2 ** 15
+SENSITIVITY = 5   # reading in Z direction to trigger, adjustable
 
 images = list(filter(lambda x: x.endswith("bmp"), os.listdir("/")))
 
-i = random.randint(0, 19)  # initial image is randomly selected
+i = random.randint(0, (len(images)-1))  # initial image is randomly selected
 
 # Set up accelerometer on I2C bus, 4G range:
 I2C = busio.I2C(board.SCL, board.SDA)
@@ -52,11 +53,11 @@
         # Wait forever
         while not shaken:
             try:
-                ACCEL_X, ACCEL_Y, ACCEL_Z = ACCEL.acceleration  # Read the accelerometer
+                ACCEL_Z = ACCEL.acceleration[2]  # Read Z axis acceleration
             except IOError:
                 pass
             # print(ACCEL_Z)  # uncomment to see the accelerometer z reading
-            if ACCEL_Z > 5:
+            if ACCEL_Z > SENSITIVITY:
                 shaken = True
 
         # Fade down the backlight
@@ -66,8 +67,7 @@
 
         splash.pop()
 
-        if ACCEL_Z > 5:
-            i = random.randint(0, 19)  # initial image is randomly selected
-            print("shaken")
-            faceup = False
+        i = random.randint(0, (len(images)-1))  # pick a new random image
+        # print("shaken")
+        faceup = False
         i %= len(images) - 1