Elysian Shadows

Code: Select all

int MaxX = graphics.GraphicsDevice.Viewport.Width - mSprite.Texture.Width ;
                int MinX = 0;
                int MaxY = graphics.GraphicsDevice.Viewport.Height - mSprite.Texture.Height ;
                int MinY = 0;

                if (mSprite.Position.X > MaxX)
                {
                    mSprite.Speed.X *= -1;
                    space1.Play (mSprite.Position.X = MaxX);
                }
                else if (mSprite.Position.X < MinX)
                {
                    mSprite.Speed.X *= -1;
                    space1.Play (mSprite.Position.X = MinX);
                }

                if (mSprite.Position.Y > MaxY)
                {
                    mSprite.Speed.Y *= -1;
                    space1.Play (mSprite.Position.Y = MaxY);
                }
                else if (mSprite.Position.Y < MinY)
                {
                    mSprite.Speed.Y *= -1;
                    space1.Play (mSprite.Position.Y = MinY);
                }

Code: Select all

using System;
using System.Collections.Generic;
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.Net;
using Microsoft.Xna.Framework.Storage;
//****************************************************************
// CISC4345 lab#1 - games example
// DB = (David Bronleewe), EFA = (Edwin Armstrong)
//****************************************************************
// Date       Comment                                        who
// ========  ==============================================  ===
// 9/03/08   Typed in prog. from tutorial.                   efa
// 9/08/08   Added bounce code, updated Sprite.cs            efa
// 9/08/08   Added UpdateSprite routine and sound.           efa
//****************************************************************

namespace games1
{
    /// <summary>
    /// This is the main type for your game
    /// </summary>
    public class Game1 : Microsoft.Xna.Framework.Game
    {
        //variables to change the behavior of the game
        const int NumPictures = 1;

        GraphicsDeviceManager graphics;
        SpriteBatch spriteBatch;      //add a sprite/picture
        
        private static SoundEffect hawk1;
        private static SoundEffect space1;

        //********** variables go here **************

        Sprite mSprite;               //added per tutorial part2

        public Game1()
        {
            graphics = new GraphicsDeviceManager(this);
            Content.RootDirectory = "Content";
        }

        /// <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
            mSprite = new Sprite();

            hawk1 = Content.Load<SoundEffect>(@"hawk"); //sound pre-load
            space1 = Content.Load<SoundEffect>(@"space");

            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);
            Random rand = new Random();

            mSprite.LoadContent(this.Content, "tux");
            mSprite.Position = new Vector2(rand.Next(800), rand.Next(600));
            mSprite.Speed = new Vector2(100f + rand.Next(100), 100f + rand.Next(100));

           // Here is the sound prototype, as a guide to playback
           //public SoundEffectInstance Play(float volume, float pitch, float pan, bool loop)
           hawk1.Play(1.0f, 0.0f, 0.0f, false); //makes hawk sound play in begining of program
        }

       
        /// <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
            // Create a new SpriteBatch, which can be used to draw textures.

        }

        /// <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
            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
                this.Exit();

            // TODO: Add your update logic here
            UpdateSprite(gameTime);

            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)
        {
            graphics.GraphicsDevice.Clear(Color.CornflowerBlue);

            // TODO: Add your drawing code here
            spriteBatch.Begin();
            mSprite.Draw(this.spriteBatch);  
            spriteBatch.End();

            base.Draw(gameTime);
        }

        //*****************************************************************
        // UpdateSprite:: Update the sprites position and speed, bounce
        // sprite off walls. (DB) and (efa) last updated 9/08/08
        //*****************************************************************
        void UpdateSprite(GameTime gameTime)
        {
           
                mSprite.Position += mSprite.Speed * (float)gameTime.ElapsedGameTime.TotalSeconds;

                int MaxX = graphics.GraphicsDevice.Viewport.Width - mSprite.Texture.Width ;
                int MinX = 0;
                int MaxY = graphics.GraphicsDevice.Viewport.Height - mSprite.Texture.Height ;
                int MinY = 0;

                if (mSprite.Position.X > MaxX)
                {
                    mSprite.Speed.X *= -1;
                    space1.Play (mSprite.Position.X = MaxX);
                }
                else if (mSprite.Position.X < MinX)
                {
                    mSprite.Speed.X *= -1;
                    space1.Play (mSprite.Position.X = MinX);
                }

                if (mSprite.Position.Y > MaxY)
                {
                    mSprite.Speed.Y *= -1;
                    space1.Play (mSprite.Position.Y = MaxY);
                }
                else if (mSprite.Position.Y < MinY)
                {
                    mSprite.Speed.Y *= -1;
                    space1.Play (mSprite.Position.Y = MinY);
                }
            
        }
         
        //*****************************************************************
    }
}