ActionTowerDefense/ActionTowerDefense/Assets/Scripts/Skills/MultiShot.cs

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

public class MultiShot : MonoBehaviour
{
    [Header("主银")]
    public Character owner;

    [Header("弓箭预制体")]
    public GameObject arrow;

    [Header("齐发参数")]
    public int num;
    public float angle;
    public float arrivalAngle;
    public int damage;
    public bool tryy;
    public float gravity = 9.8f;         // 重力加速度
    public float speed;

    public void Shoot()
    {
        float angleInterval = num > 1 ? angle / (float)(num - 1) : 0f;
        for (int i = 0; i < num; i++)
        {
            float ang = 0;
            GameObject obj = Instantiate(arrow);
            MultiArrowController arrowController = obj.AddComponent<MultiArrowController>();
            Vector3 dir = Vector3.zero;
            if (owner.bodyTrans.localScale.x > 0)
            {
                ang = 180 - arrivalAngle - angle / 2 + i * angleInterval;
            }
            else
            {
                ang = arrivalAngle - angle / 2 + i * angleInterval;
            }
            ang = ang / 180 * Mathf.PI;
            dir = new Vector3(Mathf.Cos(ang), Mathf.Sin(ang), 0);
            obj.GetComponent<Bullet>().BeShoot(owner, owner.transform.position + Vector3.up, dir, damage, 0, false, 0);
            arrowController.Initialize(gravity, speed);
        }
    }

    private void Update()
    {
        if (tryy)
        {
            tryy = false;
            Shoot();
        }
    }
}