New examples: 2D bubble level and 'how I feel today'

c-mart · c-mart · commit f134b8ce3fce · 2016-06-07T08:23:29.000-07:00
diff --git a/examples/bubble_level_2d.py b/examples/bubble_level_2d.py
@@ -0,0 +1,26 @@
+"""
+Two-dimensional bubble level which uses the accelerometer.
+"""
+
+from microbit import *
+
+sensitivity = 'medium'  # Change to 'low', 'medium', or 'high' to adjust
+divisors = {'low':64, 'medium':32, 'high':16}
+
+def clamp(number, min, max):
+    """Returns number limited to range specified by min and max, inclusive"""
+    if number < min:
+        return min
+    elif number > max:
+        return max
+    else:
+        return number
+
+while True:
+    x_grav, y_grav, _ = accelerometer.get_values()
+    # Map raw values from accelerometer to pixels on display
+    x_pixel = 4 - clamp(2 + x_grav // divisors.get(sensitivity), 0, 4)
+    y_pixel = 4 - clamp(2 + y_grav // divisors.get(sensitivity), 0, 4)
+    display.clear()
+    display.set_pixel(x_pixel, y_pixel, 9)
+    sleep(100)
diff --git a/examples/i_feel_today.py b/examples/i_feel_today.py
@@ -0,0 +1,20 @@
+"""
+Program that shows different emotions.
+Push button "A" to become sadder and "B" to become happier.
+"""
+
+from microbit import *
+
+horror = Image("09090:00000:09990:90009:99999")
+better_meh = Image("00000:09090:00000:99999:00000")
+joy = Image("09090:00000:99999:90009:09990")
+
+emotions = [horror, Image.SAD, better_meh, Image.HAPPY, joy]
+current_emotion = 2
+
+while True:
+    if button_a.get_presses():
+        current_emotion = max(current_emotion - 1, 0)
+    elif button_b.get_presses():
+        current_emotion = min(current_emotion + 1, 4)
+    display.show(emotions[current_emotion])
