nopitech

    RaycastHit hit;

    void Update()
    {
        Ray ray = new Ray(transform.position, transform.TransformDirection(Vector3.up));

        // レイ飛ばす
        if (Physics.SphereCast(ray, 1f, out hit, 100f))
        {
            Debug.Log(hit.collider.gameObject.name);

nopitech

    RaycastHit hit;

    void Update()
    {
        // レイ飛ばす
        if (Physics.BoxCast(transform.position, Vector3.one * 0.5f, transform.TransformDirection(Vector3.up), out hit))
        {
            Debug.Log(hit.collider.gameObject.name);
        }
    }

nopitech

    void Update()
    {
        // クリックした位置へのレイ取得
        Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
        RaycastHit hit;

        // クリックしたら
        if (Input.GetMouseButtonDown(0))
        {
            // レイ飛ばす

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Start()
    {
        Vector3 vec = new Vector3(1, -5, 0);
        
        //(1, 5, 0)になる
        Vector3 res = Vector3.Reflect(vec, Vector3.up);

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Update()
    {
        Vector3 from = Vector3.right * -5f; //現在地
        Vector3 to = transform.position; //目的地
        float smoothTime = Time.deltaTime * 0.1f;   //移動スピード

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Update()
    {
        Vector3 current = Vector3.right * -5; //現在地
        Vector3 target = Vector3.right * 5;   //目標値

        float maxRadiansDelta = Time.time;    //2点間におけるラジアンの差分の範囲内で設定する

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Update()
    {
        Vector3 current = Vector3.zero; //現在地
        Vector3 target = Vector3.one*10;    //目標値

        float maxDist = Time.time;  //進む距離

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Update()
    {
        Vector3 from = Vector3.zero;
        Vector3 to = Vector3.one*10;

        transform.position = Vector3.Slerp(from, to, Time.time * 0.3f);

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Update()
    {
        Vector3 from = Vector3.zero;
        Vector3 to = Vector3.one*10;

        transform.position = Vector3.Lerp(from, to, Time.time * 0.3f);

nopitech

using UnityEngine;

public class VectorScript : MonoBehaviour
{
    void Start()
    {
        Vector3 vec = new Vector3(100f, 10f, 30f);

        //1.0, 0.1, 0.3 になる。
        Vector3 nmz = vec.normalized;