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Question by infamouslyuseless · Jan 06, 2014 at 08:30 PM · rotationjavascriptsimplebetween

How To Check If X Rotation Is Between Two Numbers??

I'm making a game where an animation would only play if the player's x rotation is between 2 numbers. Something like this(JavaScript Please):

 if (Player x rotation is between 0 and 180)
 {
     if (Input.GetKeyDown(KeyCode.Space))
     {
         animation.playe("Vault");
     }
 }


I know this isn't how the x rotation would be, but that's the kind of thing im looking on how to do. Does anyone know how to do this? (In JavaScript).

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avatar image robertbu · Jan 06, 2014 at 08:36 PM 0
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This can be a hard problem to solve. Is the 'x' axis the only axis that the object is rotated on?

avatar image infamouslyuseless · Jan 06, 2014 at 08:41 PM 0
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I meant to say the y axis. The player only rotates on the y axis, except for when playing the animation, it then rotates on the x or z axis.

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Answer by robertbu · Jan 06, 2014 at 08:53 PM

If the object is only rotating on the 'y' axis, you can use eulerAngles. Assuming the script is on the player, the code would look like:

 if (transform.eulerAngles.y >= 0 && transform.eulerAngles <= 180) {
     // Do stuff
 }

But this is not a general solution. It will fail to work in many situations outside the specific situation you outline here (only 'y' rotation between 0 and 180). A slightly better solution (that also can have issues) might be:

 if (Vector3.Angle(transorm.forward, Vector3.forward) <= 90.0) {
     // Do stuff
 }

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