Multiple raycast on enemy ai

Question

I have a cone shape with 3 raycasts, but the enemy only detect the player if the player is in either one of the 3 lines, i wanted to add more raycast to the enemy. I have ask around, some said to add more raycast with for loop, but im not familiar with raycasting, so i need help. the photo attachment below is what i have right now and what i want the ai raycast to be.

EnemyRaycastImage

public class enemyControl : MonoBehaviour
{
    Ray enemyRay;
    public Color rayColor;
    RaycastHit rayHit;
    bool follow;
    public float sightDist;
    private float timer = 0f;
    public float heightMultiplier;
    private Vector3 investigateSpot;
    public float visionAngle;

    private NavMeshAgent agent;
    public GameObject him;

    void Start()
    {
        agent = GetComponent<NavMeshAgent>();
        him = GameObject.FindGameObjectWithTag("Player");

        heightMultiplier = 1.36f;
    }

    void Update()
    {
        timer += Time.deltaTime;
        enemyRay = new Ray(transform.position, transform.forward * sightDist);
        Debug.DrawRay(transform.position + Vector3.up * heightMultiplier, transform.forward* sightDist, rayColor);
        Debug.DrawRay(transform.position + Vector3.up * heightMultiplier, (transform.forward  + transform.right).normalized * sightDist, rayColor);
        Debug.DrawRay(transform.position + Vector3.up * heightMultiplier, (transform.forward - transform.right).normalized * sightDist, rayColor);


        if (Physics.Raycast(transform.position + Vector3.up * heightMultiplier, transform.forward, out rayHit, sightDist))
        {
            if (rayHit.collider.gameObject.tag == "Player")
            {
                agent.SetDestination(him.transform.position);
                him = rayHit.collider.gameObject;
            }
        }


        if (Physics.Raycast(transform.position + Vector3.up* heightMultiplier, (transform.forward + transform.right).normalized, out rayHit, sightDist))
        {
            if (rayHit.collider.gameObject.tag == "Player")
            {
                agent.SetDestination(him.transform.position);
                him = rayHit.collider.gameObject;
            }
        }

        if (Physics.Raycast(transform.position + Vector3.up* heightMultiplier, (transform.forward - transform.right).normalized, out rayHit, sightDist))
        {
            if (rayHit.collider.gameObject.tag == "Player")
            {
                agent.SetDestination(him.transform.position);
                him = rayHit.collider.gameObject;
            }
        }
    }

    void OnTriggerEnter(Collider coll)
    {
        if (coll.tag == "Player")
        {
            agent.SetDestination(him.transform.position);
            him = coll.gameObject;
        }
    }
}

Answer 1

Tried it and works for me, it can detect player that is colliding with multiple raycast. But it is hard to position the player into this position since it is close to ray origin. Debugged and works

Native variables from the script

public Color rayColor;
RaycastHit rayHit;
public float sightDist;
public float heightMultiplier;
public float visionAngle;
public GameObject him;

I add these variables:

private bool rayIsDrawn = false;
[SerializeField]
private int raycastCount = 10;
private float RightRay;
private float LeftRay;

The `raycastCount' defines the total number of rays.

void Start()

enter code here
void Start()
{
    him = GameObject.FindGameObjectWithTag("Player");
    heightMultiplier = 1.36f;
}

void Update(). Here's the code to draw ray. Ray0 is drawn straight forward, while next rays are drawn right and left depending on i number; I set the y axis of ray direction to visionAngle / 2 - visionAngle / (raycastCount-1) * RightRay for right ray and -visionAngle / 2 + visionAngle / (raycastCount-1) * LeftRay for left ray.

void Update()
{
    if (rayIsDrawn == false) {
        for (int i = 0; i < raycastCount; i++) {
            if (i == 0) {
                Debug.DrawRay (transform.position + Vector3.up * heightMultiplier, transform.forward * sightDist, rayColor, Mathf.Infinity);
            } else if (i % 2 != 0) {
                Debug.DrawRay (transform.position + Vector3.up * heightMultiplier, Quaternion.Euler (0, visionAngle / 2 - visionAngle / (raycastCount-1) * RightRay, 0) * transform.forward * sightDist, rayColor, Mathf.Infinity);
                RightRay++;
            } else {
                Debug.DrawRay (transform.position + Vector3.up * heightMultiplier, Quaternion.Euler (0, -visionAngle / 2 + visionAngle / (raycastCount-1) * LeftRay, 0) * transform.forward * sightDist, rayColor, Mathf.Infinity);
                LeftRay++;
            }
        }
        rayIsDrawn = true;
    }
    RightRay = 0;
    LeftRay = 0;

And this is the raycast with same ray origin and direction with the drawn rays.

    for (int i = 0; i < raycastCount; i++) {
        if (i == 0) {
            if (Physics.Raycast (transform.position + Vector3.up * heightMultiplier, transform.forward, out rayHit, sightDist)) {
                if (rayHit.collider.tag == "Player") {
                    Debug.Log ("touched by ray "+(i+1));
                }
            }
        } else if (i % 2 != 0) {
            if (Physics.Raycast (transform.position + Vector3.up * heightMultiplier, Quaternion.Euler (0, visionAngle / 2 - visionAngle / (raycastCount-1) * RightRay, 0) * transform.forward, out rayHit, sightDist)) {
                if (rayHit.collider.tag == "Player") {
                    Debug.Log ("touched by ray "+(i+1));
                }
            }
            RightRay++;
        } else {
            if (Physics.Raycast (transform.position + Vector3.up * heightMultiplier, Quaternion.Euler (0, -visionAngle / 2 + visionAngle / (raycastCount-1) * LeftRay, 0) * transform.forward, out rayHit, sightDist)) {
                if (rayHit.collider.tag == "Player") {
                    Debug.Log ("touched by ray "+(i+1));
                }
            }
            LeftRay++;
        }
    }
    RightRay = 0;
    LeftRay = 0;    
}