[Anark] Progress Bar (External Behavior)

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发表于 2011-10-19 10:34:00 |只看该作者 |倒序浏览

            Progress Bar (External Behavior)


         Summary


         Control a property of the parent object based on the percent done of another object.


            Category


            Latest Behaviors


            Author


            Gavin Kistner


            Difficulty


            (Reference)


            Time to Complete


            5 Minutes


         Downloads


         Click Here

         to download the associated files.


         (This document covers version 0.8.1 of the 'Progress Bar' behavior, current as of 2005-Feb-11)


         Description


         Place this behavior on an object that you want to change as another object is loading data dynamically. As the

            Loader Object

         fires

            onLoadProgress

         events, this behavior will modify the parent object, setting the property specified by

            Property Name

         to a value between the

            Min Value

         and

            Max Value

         that you specify, based on how far the load has progressed.


         If the

            Start At Min?

         advanced property is checked, this behavior will automatically set the property to

            Min Value

         as soon as the behavior loads.


         If

            Show Percent?

         is checked, this behavior will update the contents of another text object (chosen with the

            Pct Text

         property) to be a string showing the percent complete. (The percent will always be an integer, such as “47%”.)


         The common case is to set the property to something like a scale value, and set the

            Loader Object

         to a Preload Module behavior, to cause a progress bar to grow as the module loads. However, this behavior can really be attached to any object: you can cause the light level to slowly rise as models load (set the

            brightness

         of a Point light), cause an object to spin faster and faster (set the

            rotationVelocity.x

         property), and so on.


         Basic Properties


            Loader Object


            The object which will be firing onLoadProgress events.


            Property


            The script name of the property on the parent to control.


            Min Value


            The value of the property when at 0% loaded.


            Max Value


            The value of the property when at 100% loaded.


         Advanced Properties


            Start at Min?


            Initialize the property to be the minimum value?


            Show Percent?


            Update a text object with percent information?


            Pct Text


            The Text object whose string should be updated with percent information.


         Actions


            Set Percent


            Set the progress bar to a specific percent.


            Percent


            The percent to set the progress bar to.


         Demonstration


            View Demonstration Project


            Download Project File