class NoteIcon(InstructionGroup):
def __init__(self, radius, x_pos, y_pos):
super().__init__()
self.circle = Ellipse(size=(radius, radius), pos=(x_pos, y_pos))
self.line = Line(points=(x_pos + radius, y_pos + radius,
x_pos + radius, y_pos + 3 * radius))
self.add(self.circle)
self.add(self.line)
def on_update(self):
self.circle.on_update()
self.line.on_update()
