/// <summary>
/// Load the game over screen
/// </summary>
public override void Load()
{
GridStyle = GridStyles.Ticks;
BackgroundColor = Color.Black;
FontName = "QuartzMS";
// Add the score text
ScoreText = AddText(new Text
{
Alignment = HorizontalAlignments.Left,
VerticalAlign = VerticalAlignments.Top,
Scale = .4f,
Position = new Vector2(-100f, 100f),
Color = Color.White
});
// Add the start key text
RestartText = AddText(new Text
{
Value = "Press SPACE to Play",
Position = new Vector2(0f, -100f),
Alignment = HorizontalAlignments.Center,
VerticalAlign = VerticalAlignments.Bottom,
AnimationType = TextAnimations.Typewriter,
AnimationSeconds = 0.2,
Scale = 0.5f,
Color = Color.Lime
});
if (Game.Platform == GamePlatforms.XBox)
{
RestartText.Value = "Press START to Play";
}
else if (Game.Platform == GamePlatforms.WindowsPhone)
{
RestartText.Value = "TAP to Play";
}
missile = AddSprite <MissileSprite>();
missile.SetCostume("ufo");
missile.Costume.YCenter = VerticalAlignments.Center;
missile.Scale = 2;
missile.Show();
missile.X = 0;
missile.Y = 50;
barrier = AddSprite <BarrierSprite>();
barrier.Scale = 2.5f;
barrier.Y = -70;
ufo = AddSprite <UfoSprite>();
ufo.Position = Vector2.Zero;
ufo.Costume.YCenter = VerticalAlignments.Top;
ufo.Scale = 1;
ufo.Show();
}
/// <summary>
/// Update the play screen
/// </summary>
/// <param name="gameTime"></param>
public override void Update(GameTime gameTime)
{
// Use this to use the mouse to rotate the ship
// ship.RotateTowards(Mouse.Position);
if (ship.CostumeName != "ShipDeath")
{
// Space key to fire a missile
if (Keyboard.KeyPressed(Keys.Space))
{
missile.Fire(ship.Position, ship.Rotation);
}
}
foreach (AlienMissileSprite AlienMissile in alienMissiles.Where(a => a.State == MissileStates.Destroy).ToList())
{
Sprites.Remove(AlienMissile);
alienMissiles.Remove(AlienMissile);
}
AlienMissileCollisions();
// Missile collisions
if (missile.State == MissileStates.Flying)
{
// Missile collsion with UFO
if (ufo.State == UfoStates.Flying)
{
if (missile.IsTouching(ufo))
{
ufo.Explode();
missile.Load();
Score += 100;
}
}
Sprite HitBarrier = null;
if (missile.IsTouching(barrier1))
{
HitBarrier = barrier1;
}
if (missile.IsTouching(barrier2))
{
HitBarrier = barrier2;
}
if (missile.IsTouching(barrier3))
{
HitBarrier = barrier3;
}
if (missile.IsTouching(barrier4))
{
HitBarrier = barrier4;
}
if (HitBarrier != null)
{
missile.SetCostume("MissileHitBarrier");
missile.Scale = 0.5f;
HitBarrier.Stamp(missile, StampMethods.Cutout);
missile.Load();
}
// Missile collision with each alien
foreach (AlienSprite alien in aliens)
{
// Only the ones who are alive, not the exploding or dead ones
if (alien.State == AlienStates.Alive)
{
if (missile.IsTouching(alien))
{
alien.Explode();
AlienCount -= 1;
missile.Load();
MoveWaitSeconds = MoveWaitSeconds * MoveWaitPercent;
Score += alien.ScoreValue;
//Checking to see if all the aliens are dead
if (AlienCount == 0)
{
StartLevel();
break;
}
}
}
}
}
// Crazy shooting for testing only
if (Keyboard.KeyPressed(Keys.S))
{
AlienShoot();
}
// faster alients for testing only
if (Keyboard.KeyPressed(Keys.F))
{
MoveWaitSeconds /= 2;
}
// Debug Text
if (DebugTextVisible)
{
ShowShipStatus();
ShowDebugText();
}
}