List of Nasal extension functions: Difference between revisions

List of Nasal extension functions (view source)

77 bytes removed , 19 February 2014

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395

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@@ Line 72: / Line 72: @@
 === <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:
+Returns the node value for a given path, or <tt>nil</tt> if the node doesn't exist or hasn't been initialized to a value yet.
+<syntaxhighlight lang="nasal">
+getprop(<path> [, <path>, [...]]);
+</syntaxhighlight>
+Several arguments will be added together to produce a path, with numeric arguments specifying indexes (as of FlightGear 3.1), so
 <syntaxhighlight lang="nasal">
 getprop("canvas/by-index", "texture", 1, "name");
 </syntaxhighlight>
-: is now the same as:
+is 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.
-<syntaxhighlight lang="nasal">
-getprop(<path>);
 </syntaxhighlight>
@@ Line 92: / Line 91: @@
 <syntaxhighlight lang="nasal">
 print("The frame rate is ", getprop("/sim/frame-rate"), " FPS");
+for (var i=0; i < 10; i += 1) {
+    print("View ", i, "'s name is: ", getprop("/sim/view", i, "name"));
+}
 </syntaxhighlight>