Advait balloon duel.py 文件源码

def angle(m1, m2):
    if isPerpendicular(m1, m2) == True:
        return 90
    elif m1 == "undefined" or m2 == "undefined":
        if m1 == "undefined" and m2 == "undefined":
            return 0
        elif m1 == "undefined":
            tanAngle = abs(m2)
            angleRadians = math.atan(tanAngle)
            angleDegrees = angleRadians * (180/pi)
            return angleDegrees
        else:
            tanAngle = abs(m1)
            angleRadians = math.atan(tanAngle)
            angleDegrees = angleRadians * (180/pi)
            return angleDegrees
    else:
        tanAngle = abs((m1 - m2) / (1 + m1 * m2))
        angleRadians = math.atan(tanAngle)
        angleDegrees = angleRadians * (180/pi)
        return angleDegrees
#Helper function that returns whether two lines are perpendicular or not (True or False)