re: [Flightgear-devel] Conditional Input assignments

[David M. <da...@me...>]

Alex Perry writes:

 > How do I do this, or something similar:
 > 
 > When button X is depressed,
 > 	joystick channel Y has a linear mapping to P and Q is forced to zero.
 > When button X is released,
 > 	joystick channel Y has a linear mapping to Q and P is forced to zero.
 > 
 > For what I have in mind, P and Q are rudder pedals and ailerons respectively.

There is not yet support for using buttons as modifiers.  If I have a
chance to add it, it will probably look something like this:


 <js n="0">

  <axis n="4">
   <binding>
    <command>property-scale</command>
    <property>/controls/aileron</property>
   </binding>
   <mod-button n="3">
    <binding>
     <command>property-scale</command>
     <property>/controls/rudder</property>
    </binding>
   </mod-button>
  </axis>

  <button n="3">
   <repeatable>false</repeatable>
   <binding>
    <command>property-assign</command>
    <property>/controls/aileron</property>
    <value>0.0</value>
   </binding>
   <mod-up>
    <binding>
     <command>property-assign</command>
     <property>/controls/rudder</property>
     <value>0.0</value>
    </binding>
   </mod-up>
  </button>

 </js>


I don't think this will be too difficult to add -- probably about 10
or 15 extra lines of code.  What do you need it for?


All the best,


David

-- 
David Megginson
da...@me...