サイン波放射

Sin_Expr.cs

using System.Collections;
using System.Linq;
using UnityEngine;

public class Sin_Expr : MonoBehaviour
{
    [SerializeField]
    private GameObject ball = default(GameObject);
    [SerializeField]
    private float speed = default(float);
    private GameObject[] circles = new GameObject[instans_num];
    private bool isExpr;
    private const int instans_num = 50;
    private int count = 0;
    private int instantiate_flame = 0;
    [SerializeField]
    private Direction dir = Direction.Right;

    private enum Direction
    {
        Left = -1,
        Right = 1,
    }

    private void Update()
    {
        if(Random.Range(0, 90) == 0 || isExpr)
        {
            ++instantiate_flame;
            if(!isExpr)
            {
                isExpr = true;
            }
            if(count < instans_num)
            {
                if(instantiate_flame < 10)
                {
                    circles[count] = Instantiate(ball, transform.position, Quaternion.identity) as GameObject;
                    MoveBall move = circles[count++].GetComponent<MoveBall>();

                    int param = default(int);
                    while(param == 0)
                        param = Random.Range(-5, 5);

                    move.StartMove(Move, param);
                    instantiate_flame = 0;
                }
            }
            else
            {
                isExpr = false;
                count = 0;
            }
        }
    }

    private void Move(Transform tr, object param)
    {
        tr.Translate(speed * (int)dir * Time.deltaTime, (int)param * Mathf.Sin(tr.position.x) * speed * Time.deltaTime, 0);
    }
}