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Question by bfbc2jb · Dec 19, 2011 at 01:47 AM · guilightintensitycat

GUI Problem

Hi, I wanna make a gui so that detects if a light is at 0 intensity, and if it is at that then it displays a text box saying "press f to turn on flashlight" cause its a dark room and da player would want to know they have a flashlight and how to turn it on, anyway here is the javascript i made but it says "It is not possible to invoke an expression of type 'float'." which i dont know how to fix since i am noob at scripting:

 function OnGUI () {
     if (light.intensity (0));
        (GUI.Box (Rect (10,10,200,20), "press f to turn on flashlight"));
         print("flashlight on");
 }

thanks in advance!

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Answer by syclamoth · Dec 19, 2011 at 02:04 AM

How about

 if(light.intensity <= intensityThreshold)

if statements require a expression which evaluates to a boolean value. Calling a float like a function doesn't even make sense- hence the compiler error.

(intensityThreshold is a float value that you define in a public variable so it can be set up from the inspector)

I should point out that this script will only work for one light at a time, and only when attached to the same object as that light. It will not detect the total light level at any given position or object.

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avatar image bfbc2jb · Dec 19, 2011 at 03:57 AM 0
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i want it to only be for that light

avatar image bfbc2jb · Dec 19, 2011 at 04:01 AM 0
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thanks it worked!

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