Stuff

using UnityEngine;
using System.Collections;
using System;
public class bulletmanager : MonoBehaviour {
	
	public GameObject projectile;
    private double radius=0.1;
	private double pointx,pointy;
	private double angle,angle1,angle2;
	private Vector3 projposition;
	private float speed=5;
	private bool onscreen=false;
	

	// Use this for initialization
	void Start () {
	angle=1;
	StartCoroutine("drawcircle");
	
	}
	
	// Update is called once per frame
	void Update () {
		
		
		transform.Translate(Vector3.left * speed * Time.deltaTime);
	}

	private double DegreeToRadian(double a)
	{
		double answer;
		answer = Math.PI * (a/180.0);
		return answer;
	}
	
	IEnumerator drawcircle()
	{
	
			
		for(int i=0;i<360;i+=18)
		{
			angle1=Math.Cos(DegreeToRadian(angle+i));
			angle2=Math.Sin(DegreeToRadian(angle+i));
			pointx=radius*angle1;
			pointy=radius*angle2;
			projposition=new Vector3((float)pointx,(float)pointy,0);
			GameObject bullet =  Instantiate(projectile,projposition,Quaternion.identity) as GameObject;
			
		
		}
	  
		yield return new WaitForSeconds(0.5f);
	}
	
	
}