在两个点之间移动一个矩形(或任何kivy图形)

from kivy.app import App
from kivy.uix.widget import Widget
from kivy.graphics import Rectangle
from kivy.animation import Animation

class MyWidget(Widget):
    def __init__(self, **kwargs):
        super(MyWidget, self).__init__(**kwargs)
        
        # 创建一个矩形
        with self.canvas:
            self.rect = Rectangle(pos=self.pos, size=(100, 100))

    def move_rectangle(self, start_pos, end_pos, duration):
        # 创建一个动画对象
        anim = Animation(pos=end_pos, duration=duration)
        
        # 开始动画
        anim.start(self.rect)

class MyApp(App):
    def build(self):
        return MyWidget()

if __name__ == '__main__':
    MyApp().run()

widget = MyWidget()
widget.move_rectangle((0, 0), (200, 200), 2)  # 从起始位置(0, 0)移动到结束位置(200, 200)，持续时间为2秒