<layers>
	<visual>
		<param name="rotation_angle" type="anim">
			<duration>0.5</duration>
			<keyframe at="0.0">0</keyframe>
			<keyframe at="1.0">90</keyframe>
		</param>
	
		<param name="rotation_origin_x" ref="visual.width">0.5</param>
		<param name="rotation_origin_y" ref="visual.height">0.5</param>
		<param name="rotation_axis_y">-1</param>
	
		<param name="opacity" type="anim">
			<duration>0.5</duration>
			<keyframe at="0.0">1.0</keyframe>
			<keyframe at="1.0">0.5</keyframe>
		</param>
	</visual>
</layers>