<layers>
<visual>
<param name="opacity" type="anim">
<duration>1.0</duration>
<style>linear</style>
<keyframe at="0">0</keyframe>
<keyframe at="0.2">0</keyframe>
<keyframe at="0.5">1</keyframe>
</param>
<param name="rotation_angle" type="anim">
<duration>0.5</duration>
<style>outquad</style>
<keyframe at="0">-90</keyframe>
<keyframe at="1">0</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_x" type="anim">0</param>
<param name="rotation_axis_y" type="anim">0</param>
<param name="rotation_axis_z" type="anim">1</param>
</visual>
</layers>