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List of Nasal extension functions: Difference between revisions
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List of Nasal extension functions (view source)
Revision as of 13:52, 19 February 2014
, 19 February 2014→getprop()
Philosopher (talk | contribs) m (change headings: match link's name (Nasal Core Library) and make FlightGear possessive) |
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=== <tt>getprop()</tt> === | === <tt>getprop()</tt> === | ||
As of FlightGear 3.1, getprop()/setprop() arguments (those that form a path) can now be numeric to specify a index, so: | |||
<syntaxhighlight lang="nasal"> | |||
getprop("canvas/by-index", "texture", 1, "name"); | |||
</syntaxhighlight> | |||
: is now the same as: | |||
<syntaxhighlight lang="nasal"> | |||
getprop("canvas/by-index/texture[1]/name"); | |||
</syntaxhighlight> | |||
: (see [https://gitorious.org/fg/flightgear/commit/5eee5e42ae4f5cf56283b3bf5a3be46efc2b51c4 merge request 54] and [https://gitorious.org/fg/flightgear/commit/34ed79e5f88ffdfc5e651a1fe3e639cb8f4d3353 actual commit]) | |||
Returns the node value for a given path, or <tt>nil</tt> if the node doesn't exist or hasn't been initialized yet. | Returns the node value for a given path, or <tt>nil</tt> if the node doesn't exist or hasn't been initialized yet. | ||
| Line 82: | Line 93: | ||
print("The frame rate is ", getprop("/sim/frame-rate"), " FPS"); | print("The frame rate is ", getprop("/sim/frame-rate"), " FPS"); | ||
</syntaxhighlight> | </syntaxhighlight> | ||
=== <tt>setprop()</tt> === | === <tt>setprop()</tt> === | ||