[SaveSource] CameraOrbit

에셋에 포함되어있던 유용한 소스 : 타겟을 중점으로 마우스 회전하며 볼 수 있는 스크립트

using UnityEngine;
using System.Collections;
 
public class CameraOrbit : MonoBehaviour
{
    public Transform target;
    public float distance = 2f;
    public float lerpSpeed = 3f;
 
    public bool raycastedDistance = false;
 
    float wdist, cdist;
    Vector3 wrot, crot;
    Vector3 worigin, corigin;
 
    void Start ()
    {
        wdist = distance;
    }
 
    void Update ()
    {
        float t = Time.deltaTime * 2f * lerpSpeed;
 
        wdist -= Input.GetAxis( "Mouse ScrollWheel" ) * Time.deltaTime * 200f;
        cdist = Mathf.Lerp( cdist , wdist , t );
 
        if ( Input.GetMouseButton( 1 ) )
        {
            wrot.y += Input.GetAxis( "Mouse X" ) * 3f;
            wrot.x -= Input.GetAxis( "Mouse Y" ) * 3f;
        }
        wrot.z = 0f;
 
        crot.x = Mathf.LerpAngle( crot.x , wrot.x , t );
        crot.y = Mathf.LerpAngle( crot.y , wrot.y , t );
        crot.z = Mathf.LerpAngle( crot.z , wrot.z , t );
 
        transform.rotation = Quaternion.Euler( crot );
 
        if ( target != null )
            worigin = target.position;
        else
            worigin = Vector3.zero;
 
        if ( raycastedDistance )
        {
            RaycastHit h;
            Ray r = new Ray( worigin - transform.forward * ( cdist + 1f ) , transform.forward );
            if(Physics.Raycast(r,out h))
            {
                worigin = h.point;
            }
        }
 
        corigin = Vector3.Lerp( corigin , worigin , t );
 
        transform.position = corigin - transform.forward * cdist;
    }
 
    void OnDrawGizmosSelected ()
    {
        Gizmos.color = Color.red;
        Gizmos.DrawWireSphere( worigin , 0.2f );
        Gizmos.DrawLine( worigin , transform.position );
        Gizmos.color = Color.blue;
        Gizmos.DrawWireSphere( corigin , 0.2f );
        Gizmos.DrawLine( corigin , transform.position );
    }
 
}