def on_resize(self, width, height):
    print(f'Resize {width} * {height}')
    gl.glViewport(0, 0, width, height)
    self.camera.width = width
    self.camera.height = height
def on_resize(self, width, height):
    print(f'Resize {width} * {height}')
    gl.glViewport(0, 0, width, height)
    self.camera.width = width
    self.camera.height = height