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Question by Ajaxx84 · Jan 08, 2013 at 05:42 AM · c#camerarotate

Why is my camera switching angles?

Ok so I have been following along with the Hack and Slash tutorial series at BurgZergArcade.com

I have gone through the step of creating a camera script to follow our player and allow for right click features.

Either I(we) messed somet$$anonymous$$ng up in the code or it simply isn't what I am wanting from the script.

when I right click the camera always switches angles to face the same direction no matter what direction my character is facing. I want it to always lock on a be$$anonymous$$nd view placing the back of my character on the screen when I right click as well as be able to turn the character by moving the mouse on the x axis. The latter might have to be done in a diff script, not sure. anyways here is the code. Can anyone explain to me why the camera is locking on to that specific direction when I right click instead of locking on to the back of my character?

using UnityEngine; using System.Collections;

public class HackAndSlashCamera : MonoBehaviour { public Transform target; public string playerTagName = "Player";

 public float minDistance;
 public float maxDistance;
 public float height;
 public float xSpeed = 250.0f;
 public float ySpeed = 120.0f;
 public float heightDamping = 2.0f;
 public float rotationDamping = 3.0f;
 
 
 private Transform _myTransform;
 
 private float _x;
 private float _y;

 private bool _cameraButtonDown = false;
 
 
 void Awake()
 {
     _myTransform = transform;
 }
 
 // Use t$$anonymous$$s for initialization
 void Start () 
 {
     if(target == null)
         Debug.LogWarning("We do not have a target");
     else
     {
         CameraSetup();
     }

 }
 
 // Character moves in the update
 void Update () 
 {
     if(Input.GetMouseButtonDown(1))
     {
         _cameraButtonDown = true;
     }
     if(Input.GetMouseButtonUp(1))
     {
         _cameraButtonDown = (false);
     }
 }
 
 // Camera moves in the late update
 void LateUpdate()
 {    
     if(target != null)
     {
         if(_cameraButtonDown)            //Use the Input Manager to make t$$anonymous$$s a user selectable button.
     {
         //Debug.Log("Right Mouse");
         
         _x += Input.GetAxis("Mouse X") * xSpeed * 0.02f;
         _y -= Input.GetAxis("Mouse Y") * ySpeed * 0.02f;
         
         //y = ClampAngle(y, yMinLimit, yMaxLimit);
         
         Quaternion rotation = Quaternion.Euler(_y, _x, 0);
         Vector3 position = rotation * new Vector3(0.0f, 0.0f, -minDistance) + target.position;
         
         _myTransform.rotation = rotation;
         _myTransform.position = position;

     }
     else
     {
     //controls the camera location
     //_myTransform.position = new Vector3(target.position.x, target.position.y + height, target.position.z - minDistance);
     //Makes camera look at the target.
     //_myTransform.LookAt(target);
         _x = 0;
         _y = 0;
             
             // Calculate the current rotation angles
     float wantedRotationAngle = target.eulerAngles.y;
     float wantedHeight = target.position.y + height;
         
     float currentRotationAngle = _myTransform.eulerAngles.y;
     float currentHeight = _myTransform.position.y;
     
     // Damp the rotation around the y-axis
     currentRotationAngle = Mathf.LerpAngle(currentRotationAngle, wantedRotationAngle, rotationDamping * Time.deltaTime);
 
     // Damp the height
     currentHeight = Mathf.Lerp(currentHeight, wantedHeight, heightDamping * Time.deltaTime);
 
     // Convert the angle into a rotation
     Quaternion currentRotation = Quaternion.Euler(0, currentRotationAngle, 0);
     
     // Set the position of the camera on the x-z plane to:
     // distance meters be$$anonymous$$nd the target
     _myTransform.position = target.position;
     _myTransform.position -= currentRotation * Vector3.forward * minDistance;
 
     // Set the height of the camera
     _myTransform.position = new Vector3(_myTransform.position.x, currentHeight, _myTransform.position.z);
     
     // Always look at the target
     _myTransform.LookAt (target);
             
     }
     }
     
     else
     {
         GameObject go = GameObject.FindGameObjectWithTag(playerTagName);
         
         if(go == null)
             return;
         
         target = go.transform;
     }
     
 }
 
 public void CameraSetup()
 {
     //controls the camera location
     _myTransform.position = new Vector3(target.position.x, target.position.y + height, target.position.z - minDistance);
     //Makes camera look at the target.
     _myTransform.LookAt(target);
 }

}

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