上一篇我们讲了游戏中按钮的实现,今天我们来讲讲如何在游戏中播放音乐和按钮音效。

首先下载音乐和音效文件:MusicAndSound  ,另外推荐一个下载游戏音效和音乐的网站:https://www.zapsplat.com/ ,里面可以下载到免费的音乐和音效。

然后解压,如图

image

背景音乐:【BackgroundMusic.mp3】按钮点击音效:【ButtonPressedSound.mp3】

将这文件拷贝到【HelloWorld.XNAContent】项目中

image

 

点击【HelloWorld.XNAContent】项目中的【BackgroundMusic.mp3】右键属性,

Asset Name设置为BackgroundMusic,

Content Importer设为 MP3 Audio File – XNA Framework

Content Processor设为 Song – XNA Framework

image

 

点击【HelloWorld.XNAContent】项目中的【ButtonPressed.mp3】右键属性,

Asset Name设置为ButtonPressed,

Content Importer设为 MP3 Audio File – XNA Framework

Content Processor设为 Sound Effect– XNA Framework

image

打开Game1.cs文件,找到【Texture2D button;】,在下面定义背景音乐和音效

Song backgroundMusic;//定义背景音乐
SoundEffect buttonPressedSound;//定义按钮音效

找到【LoadContent()】方法,在方法体内加载背景音乐和按钮音效

backgroundMusic = Content.Load<Song>("BackgroundMusic");//加载背景音乐
buttonPressedSound = Content.Load<SoundEffect>("ButtonPressedSound");//加载按钮音效

由于需要在游戏开始就播放音乐,可以在加载背景音乐后直接播放,所以可以在【LoadContent()】方法体中,添加如下代码

 MediaPlayer.IsRepeating = true;//重复播放背景音乐
 MediaPlayer.Play(backgroundMusic);//播放背景音乐
 //MediaPlayer.Volume = 1;//背景音乐声音大小(0.1f-1.0f)
 //MediaPlayer.Stop();

当然还有停止播放【MediaPlayer.Stop();】还可以控制声音的大小【MediaPlayer.Volume = 1;】

找到【Update(GameTime gameTime)】方法,找到上次提到的点击按钮的代码,输入

buttonPressedSound.Play();//播放按钮音效

完整代码如下:

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;

namespace HelloWorld.XNA
{
    /// <summary>
    /// This is the main type for your game
    /// </summary>
    public class Game1 : Microsoft.Xna.Framework.Game
    {
        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;
        SpriteFont defaultFont;
        Color backgoundColor;
        Texture2D mouseCursor;
        Vector2 mouseCursorPosition;

        Texture2D buttonNormal;
        Texture2D buttonMoveOver;
        Texture2D buttonPressed;
        Rectangle buttonRect;
        Texture2D button;

        Song backgroundMusic;//定义背景音乐
        SoundEffect buttonPressedSound;//定义按钮音效

        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            Content.RootDirectory = "Content";
            graphics.PreferredBackBufferWidth = 800;
            graphics.PreferredBackBufferHeight = 600;
            graphics.IsFullScreen = false;
            IsMouseVisible = false;
        }
        

        /// <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
            defaultFont = Content.Load<SpriteFont>("DefaultFont");

            backgoundColor = Color.CornflowerBlue;

            mouseCursor = Content.Load<Texture2D>("MouseCursor");

            buttonNormal = Content.Load<Texture2D>("ButtonNormal");
            buttonMoveOver = Content.Load<Texture2D>("ButtonMoveOver");
            buttonPressed=Content.Load<Texture2D>("ButtonPressed");

            buttonRect = new Rectangle(300, 200,128,128);

            button = buttonNormal;

            backgroundMusic = Content.Load<Song>("BackgroundMusic");//加载背景音乐
            buttonPressedSound = Content.Load<SoundEffect>("ButtonPressedSound");//加载按钮音效

             MediaPlayer.IsRepeating = true;//重复播放背景音乐
             MediaPlayer.Play(backgroundMusic);//播放背景音乐
        }

        /// <summary>
        /// UnloadContent will be called once per game and is the place to unload
        /// all 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)
        {
            // Allows the game to exit
            KeyboardState keyboardState = Keyboard.GetState(PlayerIndex.One);
            if(keyboardState.IsKeyDown(Keys.Escape))
            {
                this.Exit();
            }
            if(keyboardState.IsKeyDown(Keys.F10))
            {
                graphics.IsFullScreen = true;
                graphics.ApplyChanges();
            }
            if(keyboardState.IsKeyDown(Keys.F11))
            {
                graphics.IsFullScreen = false;
                graphics.ApplyChanges();
            }
            if (keyboardState.IsKeyDown(Keys.F12))
            {
                graphics.PreferredBackBufferWidth = 1920;
                graphics.PreferredBackBufferHeight = 1080;
                graphics.ApplyChanges();
            }

            MouseState mouseState = Mouse.GetState();//获取鼠标状态
            if(mouseState.LeftButton==ButtonState.Pressed)//判断是否按下了鼠标左键
            {
                backgoundColor = Color.Red;//将背景设置为红色
                if (buttonRect.Contains(mouseState.X, mouseState.Y))//判断鼠标是否移动到按钮上并且按下
                {
                    button = buttonPressed;//将按钮设置为按下状态
                    buttonPressedSound.Play();//播放按钮音效
                }
            }
            else 
            {
                if (buttonRect.Contains(mouseState.X, mouseState.Y))//判断鼠标是否移动到按钮上
                {
                    button = buttonMoveOver;//将按钮设置为悬停状态
                }
                else//鼠标不在按钮上
                {
                    button = buttonNormal;//将按钮设置为正常状态
                }
                backgoundColor = Color.CornflowerBlue;//放开鼠标左键恢复成蓝色 
            }

            mouseCursorPosition = new Vector2(mouseState.X, mouseState.Y);

            // TODO: Add your update logic here

            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(backgoundColor);//绘制游戏背景

            // TODO: Add your drawing code here
            spriteBatch.Begin();
            spriteBatch.DrawString(defaultFont, "这是我的第一个游戏", Vector2.Zero, Color.White);

            //绘制按钮
            spriteBatch.Draw(button, buttonRect, Color.White);
    

            spriteBatch.Draw(mouseCursor,mouseCursorPosition,Color.White);
            spriteBatch.End();

            base.Draw(gameTime);
        }
    }
}

 

点击【启动】

image

运行效果,由于gif图片没有声音,大家可以自己运行自己的代码来体验效果



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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——在游戏中使用背景音乐和按钮音效

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