/// <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
newKeyboardState = Keyboard.GetState();
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
Exit();
if (newKeyboardState.IsKeyDown(Keys.Escape))
Exit();
// update the time
timer += (float)gameTime.ElapsedGameTime.TotalSeconds;
// update the shp
ship.Update(gameTime, rocks);
// update rocks
foreach (Rock rock in rocks)
{
rock.Update(gameTime);
if (Collisions.CollidesWith(rock.Bounds, ship.Bounds))
{
ship.HasCrashed = true;
}
}
if(ship.HasCrashed == true)
{
ship.Crash();
System.Threading.Thread.Sleep(5000);
this.Exit();
}
// check the timer and add a new rock if it is less than .4 seconds
if (timer > 0.20f)
{
timer = 0;
rocks.Add(new Rock(this, Content));
}
// remove rocks from the list that are past the screen
for (int i = 0; i < rocks.Count; i++)
{
var rock = rocks[i];
if (rock.IsRemoved)
{
rocks.RemoveAt(i);
i--;
rock.Miss();
}
}
oldKeyboardState = newKeyboardState;
base.Update(gameTime);
}
/// <summary>
/// Updates the rock
/// </summary>
/// <param name="gameTime">Games gamtime to use</param>
public void Update(GameTime gameTime, Ship ship)
{
var viewport = game.GraphicsDevice.Viewport;
Bounds.Bottom += 0.5f * (float)gameTime.ElapsedGameTime.TotalSeconds * Velocity.Y;
if (Collisions.CollidesWith(this.Bounds, ship.Bounds))
{
game.Exit();
}
// if the rock is at the bottom
if (Bounds.Bottom >= viewport.Height)
{
IsRemoved = true;
}
// if we havent hit the bottom
if (Bounds.Bottom < viewport.Height)
{
//float delta = viewport.Height - Bounds.Bottom - Bounds.Y;
//Bounds.Y += 2 * delta;
Bounds.Y += Velocity.Y * Bounds.Height;
}
}
/// <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)
{
newKeyboardState = Keyboard.GetState();
if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
{
Exit();
}
if (newKeyboardState.IsKeyDown(Keys.Enter))
{
Restart();
}
if (newKeyboardState.IsKeyDown(Keys.Escape))
{
Exit();
}
if (lost == false)
{
//paddle.Update(gameTime);
ufo.Update(gameTime);
foreach (Asteroid a in asteroids)
{
a.Update(gameTime);
}
shield.Update(gameTime, ufo);
time = gameTime.TotalGameTime.TotalSeconds;
if ((int)time != 0 && timeFlag == false)
{
if ((int)time % 5 == 0)
{
Array.Resize(ref asteroids, asteroids.Length + 1);
Asteroid temp = new Asteroid(this, random);
temp.LoadContent(Content);
asteroids[numberOfAsteroids] = temp;
numberOfAsteroids++;
timeFlag = true;
}
}
if ((int)time != 0 && timeFlagScore == false)
{
if ((int)time % 2 == 0)
{
score += 100;
timeFlagScore = true;
}
}
if ((int)time != 0)
{
if ((int)time % 5 != 0)
{
timeFlag = false;
}
if ((int)time % 2 != 0)
{
timeFlagScore = false;
}
}
//oldKeyboardState = newKeyboardState;
foreach (Asteroid a in asteroids)
{
if (Collisions.CollidesWith(ufo.bounds, a.bounds))
{
if (shield.used == true)
{
if (!a.destroyed)
{
asteroidExplode.Play();
}
a.Destroy();
}
else if (!a.destroyed)
{
lost = true;
playerHit.Play();
}
else
{
}
}
}
}
base.Update(gameTime);
}