Bullet Pattern R&D(360도 회전, Double Spiral)

*레퍼런스 보스 패턴

 

*참고 영상

https://www.youtube.com/watch?v=5dlEl_G713A&list=PL78jMnwPOfjAtIdma8F26AQdJGwydtI80&index=3&t=53s 

*구현 영상 (inspector에서 조절 가능하게)

 

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

public class BulletTest3 : MonoBehaviour
{
    [SerializeField]
    private float repeatRate = 0.2f;
    [SerializeField]
    private float repeatTime = 0f;
    [SerializeField]
    private float angle = 0f;
    [SerializeField]
    private float pluseAngle = 10f;
    //private Vector2 bulletMoveDirection;
    void Start()
    {
        InvokeRepeating("Fire", this.repeatTime, this.repeatRate);
    }

    private void Fire()
    {
        for (int i = 0; i <= 1; i++)
        {
            float bulDirX = this.transform.position.x + Mathf.Sin(((angle+180f*i)*Mathf.PI)/180f);
            float bulDirY = this.transform.position.y + Mathf.Cos(((angle + 180f * i) * Mathf.PI) / 180f);

            Vector3 bulMoveVector=new Vector3(bulDirX,bulDirY, 0f); //Vector
            Vector2 bulDir = (bulMoveVector - this.transform.position).normalized; //Direction

            GameObject bul = BulletPool.bulletPoolInstance.GetBullet(); //pooling
            bul.transform.position=this.transform.position;
            bul.transform.rotation=this.transform.rotation;
            bul.SetActive(true);
            bul.GetComponent<Bullet>().SetMoveDirection(bulDir); //bul direction
        }

        this.angle += this.pluseAngle; //angle을 pluseAngle만큼 늘려가며 호출
        if (angle>=360f) //360도 초과면 0으로 초기화
        {
            angle = 0f;
        }

    }
}