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Question by RainKiller27 · Feb 19, 2016 at 01:56 PM · firstpersoncontroller

Unity 5 new first person mouse look doesn't look up and down

I update my project to the new unity 5 and can't seem to fix the new mouse look script that doesn't allow you to look up and down only left and right how would I fix this error tried to fix it myself for that past week haven't make any progress.

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avatar image meat5000 ♦ · Feb 21, 2016 at 10:18 AM 0
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@Rainkiller27 please dont post Questions and Comments as answers.

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Answer by rrrrrehan9 · Sep 25, 2018 at 06:44 AM

After reading your question I observed that you don't have research knowledge. If you have then would not ask here because you would find it by searching manually. I will recommend you to work on researching and if can't do than hire a research paper writing service to get help from them because it is necessary and also help you with future questions or projects.

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Answer by reignamation · Feb 25, 2019 at 10:42 AM

On your FPS, check your Y Rotation of your child object "MainCamera" in the editor.

I stupidly had a starting Y rotation on my FPS maincamera child set to 180 degrees (so my player was facing the other way). This caused the following line of code to produce an error:

 m_CameraTargetRot = ClampRotationAroundXAxis(m_CameraTargetRot);

error:

 "transform.localRotation assign attempt for 'MainCamera' is not valid. Input rotation is { NaN, NaN, NaN, NaN }. UnityEngine.Transform:set_localRotation(Quaternion)"


As soon as I set the child MainCamera rotation in the editor back to (0,0,0) it worked perfectly. If you want to apply any starting rotation, apply it to the FPS parent object rather than the camera child object. A rookie mistake I didn't even realize I made which cost me a few hours of asking the Unity Gods for answers!

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