C#开发跨平台游戏——在MONOGAME/XNA中使用触控手势Gesture
上一篇我介绍了在MonoGame/XNA中触控（触摸）操作，今天这一篇是对触控(触摸)的补充——手势（用手指单击，用手指双击，用手指拖拽，双手指捏合，双手指放大，用手指轻弹，用手指常按等）。
打开Visual Studio，【文件】【新建】【项目】
【MonoGame】【MonoGame Windows 10 Universal（XAML）Project】，项目名称命名为【MyTouchPanelGesture】，点击【确定】
【MonoGame Windows 10 Universal（XAML）Project】提供的Windows10模拟器可以很好的测试手势操作，你也可以选择【MonoGame Android Project】【MonoGame iOS Project】只要你有一台带触摸的设备这些都不问题。
为了支持windows10所有用户，最低版本选择【Windows 10 （10.0；版本10240）】，点击【确定】
打开解决方案管理器中的Game1.cs文件
在Update(GameTime gameTime)方法中加入以下代码：
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
while (Microsoft.Xna.Framework.Input.Touch.TouchPanel.IsGestureAvailable)//循环判断手势操作是否可用 { var gesture = Microsoft.Xna.Framework.Input.Touch.TouchPanel.ReadGesture();//获取当前手势操作 if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.DoubleTap)//判读该手势的类型是否双击 { System.Diagnostics.Debug.WriteLine("DoubleTap"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.DragComplete)//判读该手势的类型是否拖拽结束 { System.Diagnostics.Debug.WriteLine("DragComplete"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Flick)//判读该手势的类型是否轻弹 { System.Diagnostics.Debug.WriteLine("Flick"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.FreeDrag)//判读该手势的类型是否自由拖动 { System.Diagnostics.Debug.WriteLine("FreeDrag"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Hold)//判读该手势的类型是否长按 { System.Diagnostics.Debug.WriteLine("Hold"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.HorizontalDrag)//判读该手势的类型是否左右滑动（拖动） { System.Diagnostics.Debug.WriteLine("HorizontalDrag"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.None)//无手势 { System.Diagnostics.Debug.WriteLine("None"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Pinch)//判读该手势的类型是否左右捏合 { System.Diagnostics.Debug.WriteLine("Pinch"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.PinchComplete)//判读该手势的类型是否捏合完成 { System.Diagnostics.Debug.WriteLine("PinchComplete"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Tap)//判读该手势的类型是否触摸（点击屏幕） { System.Diagnostics.Debug.WriteLine("Tap"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.VerticalDrag)//判读该手势的类型是否上下滑动（拖动） { System.Diagnostics.Debug.WriteLine("VerticalDrag"); } } |
将【本地计算机】改为【模拟器】，点击【模拟器】运行
选择模拟器右侧的手型，这时候你会发现，无论点击蓝色窗口的任何位置，输出窗口都没有任何输出信息，这表示上面输入的代码没有被执行！
手势操作和之前的触控（触摸）有点不同，在使用之前必须显式打开一个开关：找到Game1类的构造方法，在方法体内加入：
|
1 |
TouchPanel.EnabledGestures = GestureType.DoubleTap| GestureType.DragComplete| GestureType.Flick| GestureType.FreeDrag| GestureType.Hold| GestureType.HorizontalDrag| GestureType.None| GestureType.Pinch| GestureType.PinchComplete| GestureType.Tap| GestureType.VerticalDrag; |
建议：加入使用到的手势，每种手势用【|】隔开即可！比如只用到长按屏幕Hold，只需要加入：
|
1 |
TouchPanel.EnabledGestures = GestureType.Hold; |
由于带完整名称名称空间太长，可以在Game1.cs顶部使用
|
1 |
using Microsoft.Xna.Framework.Input.Touch; |
省略完整路径的写法。
点击【模拟器】运行
点击
左右滑动
上下滑动
双手指捏合
注：模拟器无法测试手指放大手势操作，这里还是建议用真机来开发游戏。可以用windows10平板
完整代码如下：
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 |
using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input.Touch; namespace MyTouchPanelGesture { /// <summary> /// This is the main type for your game. /// </summary> public class Game1 : Game { GraphicsDeviceManager graphics; SpriteBatch spriteBatch; public Game1() { graphics = new GraphicsDeviceManager(this); Content.RootDirectory = "Content"; TouchPanel.EnabledGestures = GestureType.DoubleTap | GestureType.DragComplete | GestureType.Flick | GestureType.FreeDrag | GestureType.Hold | GestureType.HorizontalDrag | GestureType.None | GestureType.Pinch | GestureType.PinchComplete | GestureType.Tap | GestureType.VerticalDrag; } /// <summary> /// Allows the game to perform any initialization it needs to before starting to run. /// This is where it can query for any required services and load any non-graphic /// related content. Calling base.Initialize will enumerate through any components /// and initialize them as well. /// </summary> protected override void Initialize() { // TODO: Add your initialization logic here base.Initialize(); } /// <summary> /// LoadContent will be called once per game and is the place to load /// all of your content. /// </summary> protected override void LoadContent() { // Create a new SpriteBatch, which can be used to draw textures. spriteBatch = new SpriteBatch(GraphicsDevice); // TODO: use this.Content to load your game content here } /// <summary> /// UnloadContent will be called once per game and is the place to unload /// game-specific content. /// </summary> protected override void UnloadContent() { // TODO: Unload any non ContentManager content here } /// <summary> /// Allows the game to run logic such as updating the world, /// checking for collisions, gathering input, and playing audio. /// </summary> /// <param name="gameTime">Provides a snapshot of timing values.</param> protected override void Update(GameTime gameTime) { // TODO: Add your update logic here while (Microsoft.Xna.Framework.Input.Touch.TouchPanel.IsGestureAvailable) { var gesture = Microsoft.Xna.Framework.Input.Touch.TouchPanel.ReadGesture(); if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.DoubleTap) { System.Diagnostics.Debug.WriteLine("DoubleTap"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.DragComplete) { System.Diagnostics.Debug.WriteLine("DragComplete"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Flick) { System.Diagnostics.Debug.WriteLine("Flick"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.FreeDrag) { System.Diagnostics.Debug.WriteLine("FreeDrag"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Hold) { System.Diagnostics.Debug.WriteLine("Hold"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.HorizontalDrag) { System.Diagnostics.Debug.WriteLine("HorizontalDrag"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.None) { System.Diagnostics.Debug.WriteLine("None"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Pinch) { System.Diagnostics.Debug.WriteLine("Pinch"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.PinchComplete) { System.Diagnostics.Debug.WriteLine("PinchComplete"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.Tap) { System.Diagnostics.Debug.WriteLine("Tap"); } if (gesture.GestureType == Microsoft.Xna.Framework.Input.Touch.GestureType.VerticalDrag) { System.Diagnostics.Debug.WriteLine("VerticalDrag"); } } base.Update(gameTime); } /// <summary> /// This is called when the game should draw itself. /// </summary> /// <param name="gameTime">Provides a snapshot of timing values.</param> protected override void Draw(GameTime gameTime) { GraphicsDevice.Clear(Color.CornflowerBlue); // TODO: Add your drawing code here base.Draw(gameTime); } } } |
如果您对C#游戏开发感兴趣，可以扫下面二维码加入我们的QQ群来一起学习交流
原创文章，转载请注明本文链接地址(违者必究):C#开发跨平台游戏——在MONOGAME/XNA中使用触控手势Gesture
