1 <layers>

     2 <visual>

     3 

     4   <param name="opacity" type="anim">

     5       <duration>1.0</duration>

     6       <style>linear</style>

     7       <keyframe at="0">0</keyframe>

     8       <keyframe at="0.2">0</keyframe>

     9       <keyframe at="0.5">1</keyframe>

    10   </param>

    11   

    12 	<param name="rotation_angle" type="anim">

    13             <duration>0.5</duration>

    14             <style>outquad</style>

    15             <keyframe at="0">-90</keyframe>

    16             <keyframe at="1">0</keyframe>

    17 	</param>

    18 

    19 	<param name="rotation_origin_x" ref="visual.width">0.5</param>

    20 	<param name="rotation_origin_y" ref="visual.height">0.5</param>

    21 	

    22 	<param name="rotation_axis_x" type="anim">0</param>

    23 	<param name="rotation_axis_y" type="anim">0</param>

    24 	<param name="rotation_axis_z" type="anim">1</param>        

    25 

    26 </visual>

    27 </layers>

    28