Laser

using UnityEngine;
using System.Collections;

public class Laser : MonoBehaviour {

    private Transform TS;
    public int wspeed = 8;

    void Start() {
        TS = transform;
    }

    // Update is called once per frame
    void Update () {
                TS.Translate (Vector3.up * wspeed * Time.deltaTime);

                if (TS.position.y > 7.5) {
                        Destroy (this.gameObject);
                }
        }

        void OnTriggerEnter(Collider collider)
        {
            if (collider.CompareTag("Enemy")) {
            Destroy(this.gameObject);
            Player.score += 50;
            print(Player.score);
        }
    }
}