Few problems with gui buttons and if else

HammerFist3D2D

I know that this questions are basic but I didnt find answer using google on my weak mobile, so please dont curse for asking here, on unity answers I didnt get answers, so I hope you will help me here. This is what is my problem. Answer using java script, I dont know c#.

1. Using if else and booleans. I have if else for gui buttons, when u click them variable goes of or on and changes can music be listened:

so it goes like this:
if myboolean == false do actions
myboolean = true;
mystring : music on;
else if myboolean == true do actions
myboolean = false;
mystring: music off;


Problem is that when I click it while false myboolean goes true and else if is also triggered, I have few ideas how to stop it but not sure so far, will using some addition variables help? or should I setting boolean do in next if else, or is there way to stop else if from executing?

2. Slowly fade out gui button: I know if I trigger gui buttons in "if" where is boolean I can make them dissapear instantly but how to do it so they slowly fade out? like what I can do with game objects with alpha channel?

I am sorry for asking basic questions in so bad english but I need help and couldnt find it googling on slow mobile browser hope youi will understand. thank you.

SanderDL

1. If that is your code, you probably need to put things between brackets. If you make an IF statement and then don't use brackets, it is going to only check the first line that comes after it. The next lines will run every time you click.

Your code should be something this:

if (myboolean == false)
{
myboolean = true;
mystring : music on;
}
else
{
myboolean = false;
mystring: music off;
}

2. If you want to gradually fade something, you need to make sure that it doesn't run every frame. Something like this could probably work:

function Fade() 
{
	for (var f = 1.0; f >= 0; f -= 0.1) 
        {
		var c = GUI.color.a;
		c.a = f;
		GUI.color.a = c;
		yield;
	}
}

You can find more information here:

http://answers.unity3d.com/questions/398855/how-to-make-a-fading-gui-button.html

http://docs.unity3d.com/Documentation/Manual/Coroutines.html

HammerFist3D2D

Hey thank you. My mistake was thinkinh that in 'else' also had to be if cobdition. About second part. How do I apply it to some gui button? I get it that alpha channel get lover over time but how to apply it to texture?