Perhaps a race condition between the constraint and the class
initializer. What happens if you set the class `duration` value
using an attribute tag rather than in the class tag?
On 16 Nov 2005, at 23:18, Denis Bohm wrote:
I'm having this problem with version 3.1.
When I try to run the code below I get the following warnings in
the debugger:
WARNING: problem.lzx:6: reference to undefined property 'duration'
I'm trying to figure out how to set a default value for the
duration attribute. Does anyone see what's wrong?
<canvas width="600" height="600">
<class name="fade" extends="animatorgroup" process="sequential"
duration="5000">
<attribute name="lead" value="1000" type="number"/>
<animator attribute="opacity" from="0" to="1"
motion="easeboth" duration="${parent.lead}"/>
<animator duration="${parent.duration - 2 * parent.lead}"/>
<animator attribute="opacity" from="1" to="0"
motion="easeboth" duration="${parent.lead}"/>
</class>
<view>
<animatorgroup process="sequential">
<fade target="v1" duration="5000"/>
<fade target="v2" lead="1000"/>
</animatorgroup>
<view id="v1" width="600" height="600" opacity="0"
bgcolor="red"/>
<view id="v2" width="600" height="600" opacity="0"
bgcolor="blue"/>
</view>
</canvas>
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