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39 lines
936 B
Python
39 lines
936 B
Python
from vernie import *
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robot = Vernie()
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running = True
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robot.say("Place your hand in front of sensor")
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def callback(color, distance):
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if color == COLOR_WHITE:
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robot.motor_AB.timed(0.1, 0.2, async=True)
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elif color != COLOR_NONE:
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print(color)
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else:
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speed = (10 - distance + 1) / 10.0
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secs = (10 - distance + 1) / 10.0
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print("Distance is %.1f inches, I'm running back with %s%% speed!" % (distance, int(speed * 100)))
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if speed <= 1:
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robot.motor_AB.timed(secs / 1, -speed, async=True)
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def on_btn(pressed):
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global running
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if pressed:
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running = False
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robot.button.subscribe(on_btn)
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robot.color_distance_sensor.subscribe(callback)
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robot.led.set_color(COLOR_GREEN)
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while running:
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time.sleep(1)
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robot.led.set_color(COLOR_BLACK)
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robot.color_distance_sensor.unsubscribe(callback)
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robot.button.unsubscribe(on_btn)
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time.sleep(5) # let color change
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