How do I play a sound when Health (or other variable) reaches a set number

Questions & Answers
1

Following on from an earlier question http://answers.unity3d.com/questions/8861/, my health decreases incrementally. As it does this the GUI health bar changes every time a multiple of 10 is reached (40, 30, 20...). I'd also like a sound to play each time it hits these markers. I tried to write a similar script as the one I have used to control the GUI, but it doesn't seem to work. Can you please tell me why? Thankyou!

var deathsound = AudioClip;

function update () 
{   
    if (HEALTH == 40) {
        audio.PlayOneShot(deathsound);  
    }   
    else if (HEALTH == 30) {
        audio.PlayOneShot(deathsound);
    }
}

(Obviously I'd do this for each multiple of 10)

Could I also use this method to trigger an animation?

2

In your previous answer you have a function which is responsible for decreasing the health:

function subtract() 
{
    HEALTH -=1;
    print ("health is now " + HEALTH);
}

This is where you should put your check (rather than in Update). In addition, if you want to perform the same action every time your health is a multiple of 10, there's a neat way of checking for this - it's called the modulus operator.

So you'd end up with something like this:

function subtract() 
{
    HEALTH -=1;
    print ("health is now " + HEALTH);
    if (HEALTH % 10 == 0) {
        audio.PlayOneShot(deathsound);  
    }
}