How can I make the player look at the camera while rotating?

Question

I made a camera script for my 3d platform character but having some slight issue. When ever I move my player with the rigidbody, I can move just fine. But when ever I rotate my camera left or right, and while pushing the key W (as in going forward) the player is not going with the camera rotation. Instead its going one direction and that's it. How can this be solved?

Answer 1

Answer by UltraGearGames · Feb 04, 2019 at 02:24 PM

Possibly, by setting the Player's rotation to the camera's horizontal rotation whenever W or S is pressed. I can try write the code if you want.

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Answer 2

Answer by Bobbysolo100 · Feb 04, 2019 at 03:09 PM

If it's not too much trouble But when the camera rotates, the player should stand still while I push a key,he rotates

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Answer 3

Answer by UrielKane · Feb 04, 2019 at 05:15 PM

I came across the same problem a few weeks ago when starting to use rigidbody for my character controller script. I should test before posting but if i remember correctly, the way of solving this issue. Its by transforming the direction before apply any movement or force to the rigidbody. Something like this.

 void FixedUpdate()
     {
         moveDirection = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical"));
         moveDirection = transform.TransformDirection(moveDirection);
 
         _body.MovePosition(_body.position + moveDirection * Speed * Time.fixedDeltaTime);
     }

I have setup a private vector3 on the initialization of the variables, then i read the inputs like shown in the code sample. The second line is what you should be testing on, becouse that transform the direction of the vector3 called moveDirection. moveDirection as it is right there, is "drawing" the shape of a + on the world matrix, so there is no relative direction to the camera rotation. By setting the moveDirection vector to be relative of the transform then the axis will be corrected to be facing the direction of the transform you are rotating with the camera. When you are applying directions for an object to move along they use world direction by default, so in order to change that you have to use that "transform.TransformDirection(vector3)" line.

I hope it helps, at least thats what solved my own problem a few weeks ago.

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Bobbysolo100 · Feb 04, 2019 at 05:20 PM 0

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This is rigidbody correct?

Bobbysolo100 · Feb 04, 2019 at 05:25 PM 0

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Also it's pretty hard to tell what your vector3 is

UrielKane Bobbysolo100 · Feb 07, 2019 at 01:17 AM 0

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Yes its a rigidbody, the code is not completed becouse i defined some variables outside the fixedupdate. If you need it i can give you the full code, its not very large yet im messing around other areas of the project right now. The thing is that the script uses a reference to another script witch has a loot of static and public variables to track use inputs, thats why i didnt give the full code. But anyway you should be able to solve your problem with what i give you. Just make a public variables type float with the name of "Speed" and a public variable called _body type rigidbody, or simple call a getcomponent if you want. Then the code should work as it is and you should be able to start moving and having the corrected direction. This means that if you rotate the rigidbody then the code will move the rigidbody along it local axis ins$$anonymous$$d of global axis.

How can I make the player look at the camera while rotating?

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