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Question by BobbleHead · Jul 24, 2011 at 11:05 AM · instantiatetime

Timed instantiantion not quite working

I've been trying to create a wave effect for my game, so at certain times waves will spawn at specified places... (think side scrolling shooter)

I did have colliders working doing the same job, but they're not ideal for this type of game, and inturn I tried to code a time script so that i can spawn prefabs at locations at certain times...

 var wave2 :GameObject;
 var wave3 :GameObject;

 function Update () {
     if(Time.time == 5.0) {
     var wave2spawn = Instantiate(wave2, Vector3(-0.9712, 2, -11), Quaternion.identity);
     }
     if(Time.time == 10.0) {
     var wave3spawn = Instantiate(wave3, Vector3(1.237, 2, -9), Quaternion.identity);
 }
 }


Again, i've probably made fundamental errors, but its difficult to leanr without being taught! ;)

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Answer by Mortennobel · Jul 24, 2011 at 12:15 PM

The problem is that Time.time may not exactly be 5.0 or 10.0.

One solution could be to only spawn each object once - and set the wave-variable to null afterwards. And then test using 'larger-than' instead of 'equals. Like this:

 var wave2 :GameObject;
 var wave3 :GameObject;
 
 function Update () {
     if(Time.time > 5.0 && wave2 != null) {
         var wave2spawn = Instantiate(wave2, Vector3(-0.9712, 2, -11), Quaternion.identity);
         wave2 = null;
     }
     if(Time.time > 10.0 && wave3 != null) {
         var wave3spawn = Instantiate(wave3, Vector3(1.237, 2, -9), Quaternion.identity);
         wave3 = null;
     }
 }
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avatar image BobbleHead · Jul 24, 2011 at 01:53 PM 0
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Fantastic mate, will mes aorund with the code now to meet my exact needs, but does exactly what I wanted it to!

$$anonymous$$udos!

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