public void Update(GameTime gameTime, Rocket rocket,Vector2 backgroundPosition,Texture2D background)
{
if ((rocket.rocketPosition.X - view.Width / 2) <= backgroundPosition.X)
{
if( rocket.rocketPosition.X > backgroundPosition.X)
{
center.X = backgroundPosition.X;
}
else
{
center.X = backgroundPosition.X + background.Width -view.Width;
}
}
else if ((rocket.rocketPosition.X - view.Width / 2) >= backgroundPosition.X + background.Width - view.Width)
{
if (rocket.rocketPosition.X < backgroundPosition.X + background.Width)
{
center.X = backgroundPosition.X + background.Width - view.Width;
}
else
{
center.X = backgroundPosition.X;
}
}
else
{
center.X = rocket.rocketPosition.X - view.Width / 2;
}
if ((rocket.rocketPosition.Y - view.Height / 2) <= backgroundPosition.Y)
{
if (rocket.rocketPosition.Y > backgroundPosition.Y)
{
center.Y = backgroundPosition.Y;
}
else
{
center.Y = backgroundPosition.Y + background.Height - view.Height;
}
}
else if ((rocket.rocketPosition.Y - view.Height / 2) >= backgroundPosition.Y + background.Height - view.Height)
{
if (rocket.rocketPosition.Y < backgroundPosition.Y + background.Height)
{
center.Y = backgroundPosition.Y + background.Height - view.Height;
}
else
{
center.Y = backgroundPosition.Y;
}
}
else
{
center.Y = rocket.rocketPosition.Y - view.Height / 2;
}
transform = Matrix.CreateScale(new Vector3(1, 1, 0)) * Matrix.CreateTranslation(new Vector3(-center.X, -center.Y, 0));
}
public MyGame(ContentManager content, GraphicsDevice graphics)
{
this.content = content;
this.graphics = graphics;
rocket = new Rocket(graphics,content);
camera = new Camera(graphics.Viewport);
backgroundPosition = new Vector2(-graphics.Viewport.Width/2, -graphics.Viewport.Height/2);
pauseBgPosition = new Vector2(-graphics.Viewport.Width / 2, -graphics.Viewport.Height / 2);
healthTexture = content.Load<Texture2D>("health/health0");
asteroids = new List<Asteroid>();
background = new List<Texture2D>();
background2 = new List<Texture2D>();
bonus = new List<Bonus>();
r = new Random();
for (int i = 0; i < 5; i++)
{
Asteroid newasteroid = new Asteroid(content, graphics.Viewport,r.Next(0,3),r.Next(3,4),r.Next(-700,-300),r.Next(-700,-300),r.Next(-5,5),r.Next(-5,5),(float)(r.Next(1,2)/10));
asteroids.Add(newasteroid);
}
for (int i = 0; i <= 150; i++)
{
Texture2D backgroundTexture = content.Load<Texture2D>("gamebg/gamebg" + i);
background.Add(backgroundTexture);
}
currentBg = background[0];
pauseBg = content.Load<Texture2D>("pausebg");
pauseTexture = content.Load<Texture2D>("pause");
gameoverTexture = content.Load<Texture2D>("gameover");
font1 = content.Load<SpriteFont>("SpriteFont1");
bgsound1 = content.Load<Song>("audio/bgsound1");
crashsound = content.Load<SoundEffect>("audio/crash");
hitsound = content.Load<SoundEffect>("audio/hit");
MediaPlayer.Play(bgsound1);
MediaPlayer.IsRepeating = true;
}
