The Hunter and the Mustang has clickable 3d instruments. This is achieved by
including a transparent 2d panel with action hotspots at select locations.
The 2d panel is included in the "top-level" aircraft model xml config file, so
the hotspots become aircraft-model-specific. I suspect that moving a 3d
instrument would require moving the action hotspots as well.
I tried to make the 2d panel with hotspots instrument-model-specific by
including a 2d panel in the instrument model xml config file:
<PropertyList>
<path>switch.ac</path>
<params>
<switch-val>switch/test</switch-val>
</params>
<!-- Include a panel with hotspots -->
<panel>
<path>Aircraft/king-air-200/Instruments/switch-hotspots.xml</path>
<!-- It would be nice to include this in-line instead of in a separate file
-->
<bottom-left>
<x-m>0</x-m>
<y-m>-0.005</y-m>
<z-m>-0.005</z-m>
</bottom-left>
<bottom-right>
<x-m>0</x-m>
<y-m> 0.005</y-m>
<z-m>-0.005</z-m>
</bottom-right>
<top-left>
<x-m>0</x-m>
<y-m>-0.005</y-m>
<z-m> 0.005</z-m>
</top-left>
</panel>
<animation>
<type>rotate</type>
<object-name>Lever</object-name>
<property alias="../../params/switch-val"/>
<interpolation>
<entry><ind>1</ind><dep>20</dep></entry>
<entry><ind>0</ind><dep>-20</dep></entry>
</interpolation>
<axis>
<x>0</x>
<y>1</y>
<z>0</z>
</axis>
</animation>
</PropertyList>
The "switch-hotspots.xml" file is a small (10x10) panel with one big
instrument with one big hotspot. This worked as expected. I was also able to
reuse the switch instrument at different locations in the cockpit, as
expected. Is there perhaps a limit to how many 2d panels with hotspots one
can include?
This method adds instrument-specific hotspots to true 3d instruments. It's a
bit ugly but it works and is more reusable than the Hunter and Mustang way of
doing it.
I would also like to redirect you attention to my post:
http://baron.flightgear.org/pipermail/flightgear-devel/2004-May/028549.html
Thanks!
Can anyone confirm that the alias feature can not be used for the 3d animation
code?!
--
Roy Vegard Ovesen
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