Finished book tutorial

Assets/Scripts/MissionDemolition.cs

@@ -0,0 +1,112 @@
+using UnityEngine;
+using System.Collections;
+using UnityEngine.UI;
+public enum GameMode {
+    idle,
+    playing,
+    levelEnd
+}
+
+public class MissionDemolition: MonoBehaviour {
+    static private MissionDemolition s; // a private Singleton
+    [Header("Set in Inspector")]
+    public Text uitLevel; // The UIText_Level Text
+    public Text uitShots; // The UIText_Shots Text
+    public Text uitButton; // The Text on UIButton_View
+    public Vector3 castlePos; // The place to put castles
+    public GameObject[] castles; // An array of the castles
+    [Header("Set Dynamically")]
+    public int level; // The current level
+    public int levelMax; // The number of levels
+    public int shotsTaken;
+    public GameObject castle; // The current castle
+    public GameMode mode = GameMode.idle;
+    public string showing = "Show Slingshot" ; // FollowCam mode
+
+    void Start() {
+        s = this; // Define the Singleton
+        level = 0;
+        levelMax = castles.Length;
+        StartLevel();
+    }
+
+    void StartLevel() {
+        // Get rid of the old castle if one exists
+        if (castle != null ) {
+            Destroy(castle);
+        }
+        // Destroy old projectiles if they exist
+        GameObject[] gos = GameObject.FindGameObjectsWithTag("Projectile");
+        foreach (GameObject pTemp in gos) {
+            Destroy(pTemp);
+        }
+        // Instantiate the new castle
+        castle = Instantiate<GameObject>(castles[level]);
+        castle.transform.position = castlePos;
+        shotsTaken = 0;
+        // Reset the camera
+        SwitchView("wShow Both");
+        ProjectileLine.s.Clear();
+        // Reset the goal
+        Goal.goalMet = false;
+        UpdateGUI();
+        mode = GameMode.playing;
+    }
+
+    void UpdateGUI() {
+        // Show the data in the GUITexts
+        uitLevel.text = "Level: " + (level + 1) + "of " + levelMax;
+        uitShots.text = "Shots Taken: " + shotsTaken;
+    }
+
+    void Update() {
+        UpdateGUI();
+
+        // Check for level end
+        if ((mode == GameMode.playing) && Goal.goalMet) {
+            // Change mode to stop checking for level end
+            mode = GameMode.levelEnd;
+            // Zoom out
+            SwitchView("Show Both" );
+            // Start the next level in 2 seconds
+            Invoke("NextLevel" ,2f );
+        }
+    }
+
+    void NextLevel() {
+        level++;
+        if (level == levelMax) {
+            level = 0;
+        }
+        StartLevel();
+    }
+
+    public void SwitchView(string eView = "") {
+        if (eView == "") {
+            eView = uitButton.text;
+        }
+        showing = eView;
+        switch (showing) {
+            case"Show Slingshot" :
+                FollowCam.POI = null;
+                uitButton.text = "Show Castle";
+                break;
+
+            case"Show Castle":
+                FollowCam.POI = s.castle;
+                uitButton.text = "Show Both" ;
+                break;
+
+            case"Show Both" :
+                FollowCam.POI = GameObject.Find("ViewBoth" );
+                uitButton.text = "Show Slingshot";
+                break;
+
+        }
+    }
+
+    // Static method that allows code anywhere to increment shotsTaken
+    public static void ShotFired() {
+        s.shotsTaken++;
+    }
+}

Assets/Scripts/MissionDemolition.cs.meta

@@ -0,0 +1,11 @@
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+guid: 106bd9eef544b316b834a5e1a94b2382
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Slingshot.cs

@@ -74,6 +74,8 @@ public class Slingshot : MonoBehaviour
             projectileRigidbody.velocity = -mouseDelta * velocityMult;
             FollowCam.POI = projectile;
             projectile = null;
+            MissionDemolition.ShotFired();
+            ProjectileLine.s.poi = projectile;
         }
     }
 }