Chuanshuoge: kivy 12 clock

Monday, July 12, 2021

#clock.py

from kivy.base import runTouchApp

from kivy.lang import Builder

from kivy.uix.widget import Widget

from kivy.clock import Clock

from kivy.properties import ListProperty

from kivy.core.window import Window

Builder.load_string('''

<Root>:

ClockRect:

pos: 300, 300

<ClockRect>:

size: 200, 100

canvas:

Color:

rgba: 1, 0, 0, 1

Rectangle:

pos: self.pos

size: self.size

''')

class Root(Widget):

pass

class ClockRect(Widget):

velocity = ListProperty([10, 15])

def __init__(self, **kargs):

super(ClockRect, self).__init__(**kargs)

Clock.schedule_interval(self.update, 1/60)

def update(self, *args):

self.x += self.velocity[0]

self.y += self.velocity[1]

if self.x < 0 or (self.x + self.width) > Window.width:

self.velocity[0] *= -1

if self.y < 0 or (self.y + self.height) > Window.height:

self.velocity[1] *= -1

runTouchApp(Root())

reference:

Chuanshuoge