2dBallisticExample

using UnityEngine;
using System.Collections;

public class Bullet : MonoBehaviour
{
    public int Speed;
    public float Angle;
    float t = Mathf.PI;

    Vector3 _StartPos;
    Vector3 LastPos;

    // Use this for initialization
    void Start ()
    {
        LastPos = transform.position;
        Angle = Vector3.Angle (Vector3.forward, transform.forward);
        Angle = Mathf.Deg2Rad * Angle;

        _StartPos = transform.position;
    }

    void Update()
    {
        t += Time.deltaTime;
        float vz = Speed*t* Mathf.Cos (Angle) * Time.deltaTime;
        float vy = Speed*t* Mathf.Sin (Angle)* Time.deltaTime-(9.8f*(t*t))/2* Time.deltaTime;
        Debug.Log (Mathf.Cos (Angle)*t);
        Vector3 NextPos = new Vector3 (transform.position.x, transform.position.y + vy, transform.position.z + vz);
        transform.position = NextPos;

        RaycastHit hit;
        if (Physics.Linecast(LastPos, transform.position, out hit))
        {
            print (hit.transform.name);
            Destroy (gameObject);
        }
        LastPos = transform.position;
    }
}