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Unity-UFO

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UFO

[TOC]

简单的打飞碟游戏

Video 演示

个人github

飞碟游戏

规则

  1. 按下空格发射飞碟
  2. 点击飞碟得分
  3. 飞碟落地则扣分
  4. 难度随次数增加

细节

代码文件目录

  • Controller
    • Interface.cs
      Interfaces and Enum variables
    • FirstSceneController.cs
      FirstController logic codes
    • Scene.cs
      Scene and Score Controller
    • UFOFactory.cs
      UFO controller for creating and recycling UFO
    • UserAction.cs
      User click or space press controller
  • Model
    • GameModel.cs
      Score model
    • UFOModel.cs
      UFO model
  • View
    • UI.cs
      Game hint, score and status presentation

游戏分解

游戏主体大致分为：飞碟，用户和分数。分别对三个主体继续细致划分，以达到架构目的。

  • UFO

    • Model (Speed, Color, Position, Direction)

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      public class UFOModel {
          public Color UFOColor;
          public Vector3 startPos;
          public Vector3 startDirection;
          public float UFOSpeed;

          public void Reset(int round) {
              UFOSpeed = 0.1f;
              if (round % 2 == 1) {
                  UFOColor = Color.red;
                  startPos = new Vector3(-5f, 3f, -15f);
                  startDirection = new Vector3(3f, 8f, 5f);
              } else {
                  UFOColor = Color.green;
                  startPos = new Vector3(5f, 3f, -15f);
                  startDirection = new Vector3(-3f, 8f, 5f);
              }
              for (int i = 1; i < round; i++) {
                  UFOSpeed *= 1.1f;
              }
          }
      }

    • Controller ((=UFOFactory) Create, Recycle)

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      public class UFOFactoryBase : System.Object {
          public GameObject UFOPrefab;

          private static UFOFactoryBase ufoFactory;
          List<GameObject> inUseUFO;
          List<GameObject> notUseUFO;

          private UFOFactoryBase() {
              notUseUFO = new List<GameObject>();
              inUseUFO = new List<GameObject>();
          }

          public static UFOFactoryBase GetFactory() {
              return ufoFactory ?? (ufoFactory = new UFOFactoryBase());
          }

          public List<GameObject> PrepareUFO(int UFOnum) {
              for (int i = 0; i < UFOnum; i++) {
                  if (notUseUFO.Count == 0) {
                      GameObject disk = Object.Instantiate(UFOPrefab);
                      inUseUFO.Add(disk);
                  } else {
                      GameObject disk = notUseUFO[0];
                      notUseUFO.RemoveAt(0);
                      inUseUFO.Add(disk);
                  }
              }
              return inUseUFO;
          }

          public void RecycleUFO(GameObject UFO) {
              int index = inUseUFO.FindIndex(x => x == UFO);
              notUseUFO.Add(UFO);
              inUseUFO.RemoveAt(index);
          }
      }

  • 用户

    • ActionController (Click, Press space button) 
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      public class UserAction : MonoBehaviour {
          public GameObject planePrefab;

          GameStatus gameStatus;
          SceneStatus SceneStatus;

          IUserInterface uerInterface;
          IQueryStatus queryStatus;
          IScore changeScore;

          // Use this for initialization
          void Start() {
              // Initialize
          }

          // Update is called once per frame
          void Update() {
              gameStatus = queryStatus.QueryGameStatus();
              SceneStatus = queryStatus.QuerySceneStatus();

              if (gameStatus == GameStatus.Play) {
                  if (SceneStatus == SceneStatus.Waiting && Input.GetKeyDown("space")) {
                      uerInterface.SendUFO();
                  }
                  if (SceneStatus == SceneStatus.Shooting && Input.GetMouseButtonDown(0)) {
                      Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
                      RaycastHit hit;
                      if (Physics.Raycast(ray, out hit) && hit.collider.gameObject.tag == "UFO") {
                          uerInterface.DestroyUFO(hit.collider.gameObject);
                          changeScore.AddScore();
                      }
                  }
              }
          }
      }

  • 分数

    • StatusController (Add, Subtract) 
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      public class GameModel : IScore {
          public int Score { get; private set; }
          public int Round { get; private set; }
          private static GameModel gameModel;

          private GameModel() { Round = 1; }

          public static GameModel GetGameModel() {
              return gameModel ?? (gameModel = new GameModel());
          }

          public void AddScore() {
              Score += 10;
              if (CheckUpdate()) {
                  Round++;
                  FirstSceneControllerBase.GetFirstSceneControllerBase().Update();
              }
          }

          public void SubScore() {
              Score -= 10;
              if (Score < 0) {
                  FirstSceneControllerBase.GetFirstSceneControllerBase().SetGameStatus(GameStatus.Lose);
              }
          }

          public bool CheckUpdate() { return Score >= Round * 20; }

          public int GetScore() { return GameModel.GetGameModel().Score; }
      }

对于三者的交互请求，通过 FirstSceneController 和 Scene 来辅助管理，即实现用户按钮送飞碟，用户点击是否加分，是否扣分。

参考了师兄博客对于刚体和鼠标射线的使用，尽力去构造 MVC 构架。

自定义 Component

对于飞碟游戏中的飞碟，根据其 model，完成了一个 Unity 中 Inspector 的 Editor 的便捷操作界面，相当于自定义了一个 Component。

制作方法

  • 在 Unity 项目的 Assets 文件夹中放入 UFOModel 代码文件

  • 新建一个 script，代码如下:

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    [CustomEditor(typeof(UFO))]
    public class UFOEditor : Editor {
        public override void OnInspectorGUI() {
            var target = (UFO)(serializedObject.targetObject);
            target.UFOSpeed = EditorGUILayout.IntSlider("Speed", target.UFOSpeed, 0, 100);
            ProgressBar(target.UFOSpeed / 100.0f, "Speed");

            target.UFOColor = EditorGUILayout.ColorField("Color", target.UFOColor);

            //Blank Line
            EditorGUILayout.Space();
            target.startPos = EditorGUILayout.Vector3Field("StartPosition", target.startPos);

            //Blank Line
            EditorGUILayout.Space();
            target.startDirection = EditorGUILayout.Vector3Field("StartPosition", target.startDirection);
        }
        private void ProgressBar(float value, string label) {
            Rect rect = GUILayoutUtility.GetRect(18, 18, "TextField");
            EditorGUI.ProgressBar(rect, value, label);
            EditorGUILayout.Space();
        }
    }

  • 将代码挂在一个 GameObject 上，他的 Inspector 界面就有我们指定的操作界面了。

  • 制作预制，然后把刚才的 GameObject 拖到上面，这么一来，就完成了。

对于代码中各个 Editor 界面的控件，可以查阅 官网 或者直接阅读 VS 上给出的提示。主要需要注意的就是整体的代码声明限制。

成品示意

MyComponent