modulo-face.py

# Import the modulo python library
import modulo

# Create a new Port object using the first Modulo Controller it finds.
port = modulo.Port()

# Create a Display object attached to the port
display = modulo.Display(port)

eyes=[1,1]
mouth=.25

eye_closed = 0.2
eye_open = 0.9
mouth_closed = 0.15
mouth_open = 0.65

rate = 0.75

def lerp(a,b,t):
    return a*(1.0-t)+b*t

# Run this loop until the program is terminated
while True :
    # Call port.loop() on each iteration to process events
    port.loop()

    # Clear the display
    display.clear()

    # Draw text to the display. The color and text depend on which
    # button is pressed.
    if display.getButton(0) :
        eyes[0] = lerp(eyes[0],eye_closed,rate)
    else:
        eyes[0] = lerp(eyes[0],eye_open,rate)

    if display.getButton(1) :
        mouth = lerp(mouth,mouth_open,rate)
    else:
        mouth = lerp(mouth,mouth_closed,rate)

    if display.getButton(2) :
        eyes[1] = lerp(eyes[1],eye_closed,rate)
    else:
        eyes[1] = lerp(eyes[1],eye_open,rate)


    numeyes = len(eyes)
    for e in range(numeyes):
        size = eyes[e]
        x = (1.0+e)/(numeyes+1.0) * display.width
        y = display.height/3
        w = display.width/3
        h = w * size
        display.setFillColor(1,1,1)
        display.drawRect(x-w/2,y-h/2,w,h,h/2)
        display.setFillColor(0,0,0)
        pupilsize=10
        if h>pupilsize:
            display.drawRect(x-pupilsize/2.0,y-pupilsize/2.0,pupilsize,pupilsize,pupilsize/2)

    size = mouth
    x = display.width/2
    y = 2*display.height/3
    w = display.width/2
    h = w * size
    display.setFillColor(.5,.5,.5)
    display.setLineColor(1,1,1)
    display.drawRect(x-w/2,y-h/2,w,h,h/2)
    
    # display.setTextColor(1,0,0)
    # print >>display, "x=%d" % x

    # Call refresh to update the display
    display.refresh()