Add Unity3D projects

year3/semester1/CT3536: Games Programming/labs/Weeks 4-8/Asteroids/Assets/Spaceship.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Spaceship : MonoBehaviour { 
+ 
+    // inspector settings 
+    public Rigidbody rigidBody; 
+    public GameObject bulletPrefab; 
+    public GUIScript guiScript;
+
+    // public member data 
+    [HideInInspector] public bool isInvulnerable = true; 
+    
+ 
+    // private member data 
+    private float lastFiredTime = 0f; 
+    
+ 
+    void Start() { 
+        Invoke ("MakeVulnerable", 2f); 
+    } 
+ 
+    private void MakeVulnerable() { 
+        isInvulnerable = false; 
+    } 
+ 
+    // Update is called once per frame 
+    void FixedUpdate () { 
+        if (Input.GetKey(KeyCode.UpArrow))  
+        
+        rigidBody.AddForce(transform.forward * (rigidBody.mass * Time.fixedDeltaTime * 500f)); 
+        
+        if (Input.GetKey(KeyCode.LeftArrow))  
+            rigidBody.AddTorque(-transform.up * (rigidBody.mass * Time.deltaTime * 500f)); 
+        
+        else if (Input.GetKey(KeyCode.RightArrow))  
+            rigidBody.AddTorque(transform.up * (rigidBody.mass * Time.deltaTime * 500f)); 
+        
+        // firing is only allowed at most once per 0.25 seconds 
+        if (Input.GetKey (KeyCode.Space) && lastFiredTime + 0.25f <= Time.time) { 
+            lastFiredTime = Time.time; 
+            FireBullet (); 
+        } 
+
+        // methods for testing, should be removed for actual gameplay
+        if (Input.GetKeyDown(KeyCode.Escape))
+        {
+            Destroy(gameObject);    // destroy spaceship
+        }
+        if (Input.GetKeyDown(KeyCode.Return))
+        {
+            // destroy all asteroids and start next level
+            foreach (GameObject asteroid in GameObject.FindGameObjectsWithTag("asteroid")) {
+                Destroy(asteroid);
+                GameManager.StartNextLevel();
+
+            }
+        }
+    } 
+ 
+    void OnDestroy() {
+        GameManager.numLives--;
+
+        // if the spaceship has more lives, respawn
+        if (GameManager.numLives > 0) {
+            GameManager.CreatePlayerSpaceship(); 
+        }
+        // else destroy all asteroids and go to menu
+        else {
+            GameManager.highScore = GameManager.currentScore > GameManager.highScore ? GameManager.currentScore : GameManager.highScore;
+            foreach (GameObject asteroid in GameObject.FindGameObjectsWithTag("asteroid")) {
+                Destroy(asteroid);
+            }
+            guiScript.SwitchToMenu();
+        }
+    } 
+ 
+    private void FireBullet() { 
+        GameObject go = Instantiate(bulletPrefab); 
+        go.transform.position = transform.position + transform.forward*3f; 
+        go.transform.rotation = transform.rotation; 
+    } 
+}