Source code from workshop 2017-03-23

Assets/Collide.cs

@@ -0,0 +1,18 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Collide : MonoBehaviour {
+
+	public int lives;
+
+	void OnTriggerEnter2D(Collider2D other){
+		if(other.transform.tag == "Asteroid"){
+			if (lives > 0) {
+				lives--;
+				Debug.Log (lives);
+			}
+		}
+	}
+
+}

Assets/Controller.cs

@@ -7,6 +7,10 @@ public class Controller : MonoBehaviour {
 	public Rigidbody2D playerPhysics;
 	public Transform playerUp;
 
+
+	public int lives;
+
+
 	// Use this for initialization
 	void Start () {
 		//playerPhysics=player.GetComponent<Rigidbody2D>();

Assets/RocketCollide.cs

@@ -0,0 +1,14 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class RocketCollide : MonoBehaviour {
+
+	void OnTriggerEnter2D(Collider2D other){
+		if (other.transform.tag == "Asteroid") {
+			Destroy (other.gameObject);
+			Destroy (this.gameObject);
+		}
+
+	}
+}

Assets/Shooting.cs

@@ -0,0 +1,29 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Shooting : MonoBehaviour {
+
+	public GameObject rocket;
+	public float timer;
+	float timeLeft=0;
+	public Transform startRocket;
+	public Transform player;
+
+
+
+	// Update is called once per frame
+	void FixedUpdate () {
+		if(Input.GetKey(KeyCode.Space))
+		{
+			if (timeLeft > timer) {
+				GameObject rocketShot = Instantiate (rocket,new Vector3(startRocket.position.x,startRocket.position.y,startRocket.position.z),Quaternion.identity);
+				rocketShot.transform.rotation = player.rotation;
+				rocketShot.GetComponent<Rigidbody2D> ().AddForce ((startRocket.position-player.position)*5f, ForceMode2D.Impulse);
+				timeLeft = 0;
+			} else {
+				timeLeft += Time.deltaTime;
+			}
+		}
+	}
+}