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Using listeners and signals with Nasal: Difference between revisions
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Using listeners and signals with Nasal (view source)
Revision as of 18:05, 19 May 2013
, 19 May 2013→Behind the Scenes of Listeners
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== Behind the Scenes of Listeners == | == Behind the Scenes of Listeners == | ||
Repeatedly calling getprop() to update a property is called polling. Doing that at frame rate (each time a frame is updated) can become pretty expensive and often isn't necessary, especially for properties that are rarely updated. | |||
Polling is only really recommended for properties that change per frame or really often. Otherwise, you will probably want to use listeners or less-frequent polling using a custom timer. | Polling is only really recommended for properties that change per frame or really often. Otherwise, you will probably want to use listeners or less-frequent polling using a custom timer. | ||