122d7f681f
Allow complex animation expressions
Example: translate along the y-axis following a sin
function.
<animation>
<type>translate</type>
<axis>
<y>1</y>
</axis>
<expression>
<sin>
<product>
<property>/some/position-norm</property>
<value>6.28</value>
</product>
</sin>
</expression>
</animation>
[ Nothing here at this time. ]