Rename year directories to allow natural ordering

year3/semester1/CT3536: Games Programming/labs/Weeks 4-8/lab5/code/GameManager.cs

@@ -0,0 +1,57 @@
+using System.Collections; 
+using System.Collections.Generic; 
+using UnityEngine; 
+ 
+public class GameManager : MonoBehaviour { 
+ 
+    // inspector settings 
+    public GameObject asteroidPrefab; 
+    public GameObject spaceship;
+ 
+    // class-level statics 
+    public static GameManager instance; 
+    public static int currentGameLevel; 
+    public static Vector3 screenBottomLeft, screenTopRight; 
+    public static float screenWidth, screenHeight; 
+    // 
+ 
+    // Use this for initialization 
+    void Start() { 
+        instance = this; 
+        Camera.main.transform.position = new Vector3 (0f, 30f, 0f); 
+        Camera.main.transform.LookAt (Vector3.zero, new Vector3 (0f, 0f, 1f)); 
+        currentGameLevel = 0; 
+        // find screen corners and size, in world coordinates 
+        // for ViewportToWorldPoint, the z value specified is in world units from the camera 
+        screenBottomLeft = Camera.main.ViewportToWorldPoint(new Vector3(0f,0f,30f)); 
+        screenTopRight = Camera.main.ViewportToWorldPoint (new Vector3(1f,1f,30f)); 
+        screenWidth = screenTopRight.x - screenBottomLeft.x; 
+        screenHeight = screenTopRight.z - screenBottomLeft.z; 
+ 
+        CreatePlayerSpaceship();
+        StartNextLevel(); 
+    } 
+
+    public void CreatePlayerSpaceship() {
+        Instantiate(spaceship);
+        spaceship.transform.position = new Vector3(0, 0, 0);
+    }
+ 
+    public static void StartNextLevel() { 
+        currentGameLevel++; 
+        // create some asteroids near the edges of the screen 
+        for (int i = 0; i < currentGameLevel * 2 + 3; i++) { 
+            GameObject go = Instantiate (instance.asteroidPrefab) as GameObject; 
+            float x, z; 
+            if (Random.Range (0f, 1f) < 0.5f) 
+                x = screenBottomLeft.x + Random.Range (0f, 0.15f) * screenWidth; // near the left edge 
+            else 
+                x = screenTopRight.x - Random.Range (0f, 0.15f) * screenWidth; // near the right edge 
+            if (Random.Range (0f, 1f) < 0.5f) 
+                z = screenBottomLeft.z + Random.Range (0f, 0.15f) * screenHeight; // near the bottom edge 
+            else 
+                z = screenTopRight.z - Random.Range (0f, 0.15f) * screenHeight; // near the top edge 
+            go.transform.position = new Vector3(x, 0f, z); 
+        } 
+    } 
+}