Unity Raycast - 2018-Interface-Programming-Exhibition/6team-Arduino_Game_Controller GitHub Wiki

using System.Collections.Generic;
using UnityEngine;

public class RayEmitter : MonoBehaviour {

    Transform goTransform;
    LineRenderer lineRenderer;
    Ray ray;
    RaycastHit hit; //충돌체
    Vector3 inDirection;
    int nReflections = 2;
    int nPoints;

	void Start () {
        goTransform = GetComponent<Transform>();
        Debug.Log(goTransform.position);
        lineRenderer = GetComponent<LineRenderer>();
	}
	

	void Update () {
        nReflections =100;
        ray = new Ray(goTransform.position, goTransform.forward);
        Debug.DrawRay(goTransform.position, goTransform.forward * 100, Color.yellow);//예비선이므로 플레이어의 화면에서는 보이지 않음
        nPoints = 2;
        lineRenderer.positionCount = nPoints;
        lineRenderer.SetPosition(0, goTransform.position);

        for (int i = 0; i <= nReflections; i++) //이를 반복문을 통해 반사될 수 있는 횟수를 결정
        {
            if (i == 0)
            {
                if (Physics.Raycast(ray.origin, ray.direction, out hit, 100))
                {
                    inDirection = Vector3.Reflect(ray.direction, hit.normal);
                    ray = new Ray(hit.point, inDirection);
                    Debug.DrawRay(hit.point, inDirection * 100, Color.yellow);//예비선이므로 플레이어의 화면에서는 보이지 않음
                    Debug.Log("Object name: " + hit.transform.name);//Debug이므로 플레이어의 화면에서는 보이지 않음
                    if (hit.transform.name == "Lock")
                    {
                        Debug.Log("Start animation");
                    }
                    if (nReflections == 1)
                    {
                        lineRenderer.positionCount = ++nPoints;//positionCount는 선의 갯수(굽은 갯수)
                    }
                    lineRenderer.SetPosition(i + 1, hit.point);
                 }
                 else
                 {
                      lineRenderer.SetPosition(i + 1, transform.forward * 5000);
                 }
            }

            else
            {
                if (Physics.Raycast(ray.origin, ray.direction, out hit, 100))//충돌 했다면
                {
                    inDirection = Vector3.Reflect(inDirection, hit.normal);
                    ray = new Ray(hit.point, inDirection);
                    Debug.DrawRay(hit.point, inDirection * 100, Color.yellow);//예비선
                    Debug.Log("Object name: " + hit.transform.name);
                    if (hit.transform.name == "Lock")
                    {
                        Debug.Log("Start animation");
                    }
                    lineRenderer.positionCount = ++nPoints;
                    lineRenderer.SetPosition(i + 1, hit.point);
                }
                else
                {
                    lineRenderer.SetPosition(i + 1, transform.forward * 5000);
                }
            }
        }
	}
}```