first commit

kivy_venv/share/kivy-examples/animation/animate.py

@@ -0,0 +1,42 @@
+'''
+Widget animation
+================
+
+This example demonstrates creating and applying a multi-part animation to
+a button widget. You should see a button labelled 'plop' that will move with
+an animation when clicked.
+'''
+
+import kivy
+kivy.require('1.0.7')
+
+from kivy.animation import Animation
+from kivy.app import App
+from kivy.uix.button import Button
+
+
+class TestApp(App):
+
+    def animate(self, instance):
+        # create an animation object. This object could be stored
+        # and reused each call or reused across different widgets.
+        # += is a sequential step, while &= is in parallel
+        animation = Animation(pos=(100, 100), t='out_bounce')
+        animation += Animation(pos=(200, 100), t='out_bounce')
+        animation &= Animation(size=(500, 500))
+        animation += Animation(size=(100, 50))
+
+        # apply the animation on the button, passed in the "instance" argument
+        # Notice that default 'click' animation (changing the button
+        # color while the mouse is down) is unchanged.
+        animation.start(instance)
+
+    def build(self):
+        # create a button, and  attach animate() method as a on_press handler
+        button = Button(size_hint=(None, None), text='plop',
+                        on_press=self.animate)
+        return button
+
+
+if __name__ == '__main__':
+    TestApp().run()