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This gist show how to build a scrolling and repeating background with kivy
from kivy.app import App
from kivy.uix.widget import Widget
from kivy.clock import Clock
from kivy.graphics import Rectangle
from kivy.core.image import Image as CoreImage
from kivy.core.window import Window
class MyWidget(Widget):
def __init__(self, **kw):
super(MyWidget, self).__init__(**kw)
with self.canvas:
texture = CoreImage('Sky_back_layer.png').texture
texture.wrap = 'repeat'
self.rect_1 = Rectangle(texture=texture, size=self.size, pos=self.pos)
texture = CoreImage('Vegetation_(middle_layer).png').texture
texture.wrap = 'repeat'
self.rect_2 = Rectangle(texture=texture, size=self.size, pos=self.pos)
texture = CoreImage('Ground_(front_layer).png').texture
texture.wrap = 'repeat'
self.rect_3 = Rectangle(texture=texture, size=self.size, pos=self.pos)
Clock.schedule_interval(self.txupdate, 0)
def txupdate(self, *l):
t = Clock.get_boottime()
#print t
self.rect_1.tex_coords = -(t * 0.001), 0, -(t * 0.001 + 10), 0, -(t * 0.001 + 10), -10, -(t * 0.001), -10
self.rect_2.tex_coords = -(t * 0.01), 0, -(t * 0.01 + 1), 0, -(t * 0.01 + 1), -1, -(t * 0.01), -1
self.rect_3.tex_coords = -(t * 0.1), 0, -(t * 0.1 + 1), 0, -(t * 0.1 + 1), -1, -(t * 0.1), -1
class MyApp(App):
def build(self):
return MyWidget(size=Window.size)
if __name__ == '__main__':
MyApp().run()
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