Lerp, Slerp

Lerp .. p.188

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class LerpSlerpMain : MonoBehaviour
{
    [SerializeField]
    private Transform startTrans;
    [SerializeField]
    private Transform endTrans;
    [SerializeField]
    private Transform pointTrans;
    [SerializeField]
    [Range(0, 1)]
    private float lerpValue;

    // Update is called once per frame
    void Update()
    {
        Vector3 pos = Vector3.Lerp(this.startTrans.position, this.endTrans.position, this.lerpValue);
        this.pointTrans.position = pos;
        if(this.pointTrans.position == this.startTrans.position)
        {
            this.pointTrans.LookAt(this.endTrans.position);
        }
        else if(this.pointTrans.position == this.endTrans.position)
        {
            this.pointTrans.LookAt(this.startTrans.position);
        }
        

    }

    private void OnDrawGizmos()
    {
        Gizmos.DrawLine(this.startTrans.position, this.endTrans.position);
    }
}

경과시간

---

Slerp

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class LerpSlerpMain : MonoBehaviour
{
    [SerializeField]
    private Transform startTrans;
    [SerializeField]
    private Transform endTrans;
    [SerializeField]
    private Transform startTrans2;
    [SerializeField]
    private Transform endTrans2;
    [SerializeField]
    private Transform pointTrans;
    [SerializeField]
    private Transform pointTrans2;
    [SerializeField]
    [Range(0, 1)]
    private float lerpValue;
    [SerializeField]
    [Range(0, 1)]
    private float slerpValue;

    // Update is called once per frame
    void Update()
    {
        Debug.Log(Time.deltaTime * 10f);

        //Vector3 pos = Vector3.Lerp(this.startTrans.position, this.endTrans.position, this.lerpValue);
        //this.pointTrans.position = pos;

        //Vector3 pos2 = Vector3.Slerp(this.pointTrans2.position, this.endTrans.position, this.slerpValue);
        //this.pointTrans2.position = pos2;

        this.pointTrans.position = Vector3.Lerp(this.pointTrans.position, this.endTrans.position, Time.deltaTime * 1f);
        this.startTrans.position = this.pointTrans.position;

        this.pointTrans2.position = Vector3.Slerp(this.pointTrans2.position, this.endTrans2.position, Time.deltaTime * 1f);
        this.startTrans2.position = this.pointTrans2.position;

        if(this.pointTrans.position == this.startTrans.position)
        {
            this.pointTrans.LookAt(this.endTrans.position);
        }
        else if(this.pointTrans.position == this.endTrans.position)
        {
            this.pointTrans.LookAt(this.startTrans.position);
        }

        if (this.pointTrans2.position == this.startTrans2.position)
        {
            this.pointTrans2.LookAt(this.endTrans2.position);
        }
        else if (this.pointTrans2.position == this.endTrans.position)
        {
            this.pointTrans2.LookAt(this.startTrans2.position);
        }

    }

    private void OnDrawGizmos()
    {
        Gizmos.DrawLine(this.startTrans.position, this.endTrans.position);

        Gizmos.DrawLine(this.startTrans2.position, this.endTrans2.position);
    }
}

Lerp 와 Slerp의 차이