Add Unity3D projects

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

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+using TMPro;
+
+public class GameManager : MonoBehaviour { 
+ 
+    // inspector settings 
+    public GameObject asteroidPrefab, spaceshipPrefab;
+    public TextMeshProUGUI scoreText;
+
+    // class-level statics 
+    public static GameManager instance; 
+    public static int currentGameLevel; 
+    public static Vector3 screenBottomLeft, screenTopRight; 
+    public static float screenWidth, screenHeight; 
+
+    public static bool inMenuState = true;
+    public static int highScore = 0;
+    public static int numLives = 3;    
+    public static int currentScore = 0;
+ 
+    // 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; 
+    } 
+
+    // probably inefficient to update it so often but this works and i'm lazy
+    // would be better to only update the text when the values are updated, via a method that updates both
+    void Update() {
+        scoreText.text = "High Score: " + highScore + " Score: " + currentScore + " Lives: " + numLives;
+    }
+
+    public static void StartNewGame() {
+        numLives = 3;
+        StartNextLevel (); 
+        CreatePlayerSpaceship (); 
+    }
+ 
+    public static void StartNextLevel() { 
+        currentGameLevel++; 
+ 
+        // 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; 
+ 
+        // instantiate 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); 
+            go.GetComponent<Asteroid> ().SetScale (0.08f, 0.12f); 
+        } 
+ 
+    } 
+ 
+    public static void CreatePlayerSpaceship() { 
+        // instantiate the player's spaceship 
+        GameObject go = Instantiate (instance.spaceshipPrefab) as GameObject; 
+        go.transform.position = Vector3.zero; 
+    } 
+}