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Question by skoandi · Jan 29, 2013 at 07:06 PM · androidrotationiosjoystickz

FPS Camera rotates on Z when using a joystick

     var rotationX = joy.AxisX * sensX * Time.deltaTime;
     var rotationY = joy.AxisY * sensY * Time.deltaTime;
     transform.localEulerAngles += new Vector3(rotationX, rotationY, 0);

I'm using a virtual joystick and I've attatched this script to the camera, it works but it rotates on the Z which is so confusing! Even if I add transform.rotation.z = 0; it doesn't make a change! Please help me!

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avatar image Bovine · Jan 29, 2013 at 07:18 PM 0
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If your transform has a parent you may need to use Transform.eulerAngles otherwise a parent or grandparent could easily by mapping one axis onto another

avatar image skoandi · Jan 29, 2013 at 08:32 PM 0
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Can you post please post the code? :) It still doesn't work for me :/ btw the joystick has a input from -1 to 1

avatar image Bovine · Jan 29, 2013 at 09:03 PM 0
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$$anonymous$$y suggestion is that your use transform.eulerAngles ins$$anonymous$$d of the LOCAL version, but that will only have any effect if you're transform has a parent.

I cannot tell for sure whether the code you've posted will work, but it looks like it might. Note that euler anglers are prone to gimbal lock, but I couldn't say if you're experiencing this through your use. I might suggest only setting the X or Y angle to begin with and also checking you are using degrees or radians appropriately, though it would seem odd if that was the issue here.

avatar image skoandi · Jan 30, 2013 at 04:03 PM 0
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After some more testing I noticed that if I only apply rotation to the Y, it also rotates on Z... It works if I use $$anonymous$$athf.Clamp to make sure it's always 0 but it should not rotate on Z if I only rotate on Y :@ Is this a bug in unity?

avatar image Bovine · Jan 30, 2013 at 04:35 PM 0
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Does your transform have any parents?

Did you try .eulerAngles ins$$anonymous$$d of the local version?

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