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I apologize in advance for my disjointed code, I just been trying different things in my futile attempts at getting this thing to work. I will post some code here, but I will also include all of my source code if that makes it easier.
Main Code
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;
using System.Windows.Forms; // needed so that we can add normal buttons, etc.
// This project doesn't do anything useful, but it illustrates the functions you'll need
// to implement your game.
namespace FinalProject
{
/// <summary>
/// This is the main type for your game
/// </summary>
public class Game1 : Microsoft.Xna.Framework.Game
{
GraphicsDeviceManager graphics; // this represents the graphics device
SpriteBatch spriteBatch; // all drawing takes place via this object
Texture2D backGroundTexture; // will point to a picture to use for background
Texture2D missileTexture; // will point to a picture to use for the missile
Texture2D alien;
Vector2 missilePos; // position of the missle
bool isMissleInFlight; // is the missle active?
int numMissilesFired = 0; // how many times has missle been fired?
//List<Bombs> bombs;
Rectangle viewPort; // tells us the size of the drawable area in the window
Ship myShip; // reference to the ship controlled by the user
AlienGroup Aliens;
KeyboardState oldState; // keeps previous state of keys pressed, so we can
// detect when a change in state occurs
// NOTE: we really ought to have a class to keep up with the missle information;
// this is left as an exercise for the reader
const int PANEL_WIDTH = 100; // width of a panel we'll add for adding buttons, etc.
// Controls we'll add to form, just for sake of example.
Panel pnl = new Panel();
Label lblFireCount = new Label();
public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
this.IsMouseVisible = true;
InitializeControlPanel();
}
/// <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()
{
viewPort = GraphicsDevice.Viewport.Bounds;
oldState = Keyboard.GetState();
missilePos = Vector2.Zero;
isMissleInFlight = false;
myShip = new Ship(new Vector2((viewPort.Width - PANEL_WIDTH) / 2,
viewPort.Bottom-39));
Aliens = new FinalProject.AlienGroup(this);
base.Initialize();
}
// Since this is an xna project; we can't easily drag/drop controls onto the
// main Form like we have been doing in the past. But, we can do it programatically,
// as illustrated below.
private void InitializeControlPanel()
{
// get game window as a win form Form class
Form frm = Control.FromHandle(this.window.Handle) as Form;
// setup the panel control. Note: this panel will overlay the viewport
// for 100 pixels; we can adjust for this in our algorithms
this.pnl.Dock = DockStyle.Right;
this.pnl.Width = PANEL_WIDTH;
// createa a button and add it to the panel
Button btn = new Button();
btn.Location = new System.Drawing.Point(10, 10);
btn.Text = "Testing";
btn.Click += new EventHandler(btn_Click);
// add the button to the panel and add the panel to the game window form
this.pnl.Controls.Add(btn);
frm.Controls.Add(this.pnl);
// setup the label control and add it to the panel control
this.lblFireCount.Text = "";
this.lblFireCount.Location = new System.Drawing.Point(10, btn.Top + btn.Height + 10);
this.lblFireCount.AutoSize = true;
this.pnl.Controls.Add(this.lblFireCount);
}
// sample button event handler
void btn_Click(object sender, EventArgs e)
{
MessageBox.Show("You clicked a button!");
}
/// <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);
Services.AddService(typeof(SpriteBatch), spriteBatch);
// load textures into memory once during LoadContent()
backGroundTexture = Content.Load<Texture2D>("stars");
Ship.Texture = Content.Load<Texture2D>("ship-small");
AlienGroup.Sprites = Content.Load<Texture2D>("spaceinvader");
missileTexture = Content.Load<Texture2D>("missile");
//Aliens = new FinalProject.AlienGroup(this, Content.Load<Texture2D>("spaceinvader"));
}
/// <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
alien.Dispose();
//myShip.Dispose();
}
/// <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>
/// This gets called ~60 times per second
protected override void Update(GameTime gameTime)
{
moveShip(); // if a arrow key is held down, move the ship
fireMissle(); // create a missle if the space bar was hit
moveMissle(); // if the missle is alive, update its position
base.Update(gameTime);
}
// Check to see if an arrow key is currently pressed. Take appropriate
// action to move ship (note, note boundary checking is done to ensure
// ship doesn't move off-screen.
private void moveShip()
{
KeyboardState state = Keyboard.GetState();
if (state.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Left))
{
myShip.move(Ship.Direction.Left);
}
else if (state.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Right))
{
myShip.move(Ship.Direction.Right);
}
else if (state.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Up))
{
myShip.move(Ship.Direction.Up);
}
else if (state.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Down))
{
myShip.move(Ship.Direction.Down);
}
}
// Check to see if the space key is down. If so, set flag and position so
// that the Draw will Draw the missle. Note: this is a little different than
// the ship, because we only want to fire the missle on a button click
private void fireMissle()
{
KeyboardState newState = Keyboard.GetState();
// Is the SPACE key down?
if (newState.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Space))
{
// If it was not down the previous time we checked, then this is a
// new key press. If the key was down in the old state, they're just
// holding it down, so we ignore this state.
if (!oldState.IsKeyDown(Microsoft.Xna.Framework.Input.Keys.Space))
{
// can only have one missle at a time
if (!isMissleInFlight)
{
isMissleInFlight = true;
missilePos = myShip.GunPosition;
numMissilesFired++;
lblFireCount.Text = numMissilesFired.ToString();
}
}
}
// Update saved state.
oldState = newState;
}
// If the missle is alive, move it up a few clicks until it goes off screen
public void moveMissle()
{
if (isMissleInFlight)
{
missilePos.Y -= 8;
if (missilePos.Y <= 0)
{
isMissleInFlight = false;
missilePos = Vector2.Zero;
}
}
}
/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
/// This is called in the main loop after Update to render the current state of the game
/// on the screen.
protected override void Draw(GameTime gameTime)
{
// spriteBatch is an object that allows us to draw everything
// on screen (it contains the Draw functions).
spriteBatch.Begin(SpriteSortMode.BackToFront, BlendState.AlphaBlend);
// draw the background
spriteBatch.Draw(backGroundTexture, viewPort, null, Color.White, 0, Vector2.Zero, SpriteEffects.None, 1);
// draw the ship over background
myShip.Draw(spriteBatch);
// draw the missle
if (isMissleInFlight)
spriteBatch.Draw(missileTexture, missilePos, Color.White);
// This tells the graphics pipeline that we're done drawing this frame,
// and asks it to push the pixels to the graphics frame buffer.
spriteBatch.End();
base.Draw(gameTime);
}
}
}
The Alien class.
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;
using System.Windows.Forms; // needed so that we can add normal buttons, etc.
namespace FinalProject
{
public class Aliens : MovingObjects
{
public Aliens(Game game, Texture2D inSprite, Vector2 inPosition)
: base(game)
{
Sprite = inSprite;
Position = inPosition;
Width = 22;
Height = 15;
Velocity = 2;
outRect = new Rectangle(0, 0, Width, Height);
}
}
}
The AlienGroup class
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
namespace FinalProject
{
class AlienGroup : MovingObjects
{
public Aliens[] GroupList;
public int n;
public int Direction;
public static Texture2D Sprites;
public AlienGroup(Game game)//, Texture2D Sprites)
: base(game)
{
n = 30;
int NoInLine = 8;
Direction = 6;
GroupList = new Aliens[n];
for (int i = 0; i < n; i++)
{
GroupList[i] = new Aliens(game, Sprites,
new Vector2((float)Math.Round((double)(i % NoInLine * 45)), (float)Math.Round((double)(i / NoInLine * 30))));
}
}
public bool OutOfScreen(int Direction)
{
for (int i = 0; i < n; i++)
{
if (GroupList[i] != null && GroupList[i].OutOfScreen(Direction))
{
return true;
}
}
return false;
}
public void RemoveFly(int pos)
{
GroupList[pos].Dispose();
GroupList[pos] = null;
}
public void Move()
{
if (OutOfScreen(Direction))
{
if (Direction == 4) Direction = 6;
else Direction = 4;
}
for (int i = 0; i < n; i++)
{
if (GroupList[i] != null)
{
GroupList[i].Move(Direction);
}
}
}
public override void Update(GameTime gameTime)
{
Move();
base.Update(gameTime);
}
public override void Draw(GameTime gameTime)
{
for (int i = 0; i < n; i++)
{
if (GroupList[i] != null)
{
GroupList[i].Draw(gameTime);
}
}
}
}
}
Thanks!
Attached File(s)
-
FinalProject.zip (120.17K)
Number of downloads: 307
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