override public bool CollidesWith(Entity e)
{
if (Intersects(e))
{
active = false; // the asteroid gets destroyed
Explosion.Spawn(Astro.Instance.animations["explosion_asteroid"], x, y);
if (anim.r > 30)
{
Astro.Instance.score += 10;
Astro.Instance.sounds["bang_lg"].Play();
Spawn(Astro.Instance.animations["asteroid_md"], x, y);
Spawn(Astro.Instance.animations["asteroid_md"], x, y);
}
else if (anim.r > 20)
{
Astro.Instance.score += 20;
Astro.Instance.sounds["bang_md"].Play();
Spawn(Astro.Instance.animations["asteroid_sm"], x, y);
Spawn(Astro.Instance.animations["asteroid_sm"], x, y);
}
else
{
Astro.Instance.score += 30;
Astro.Instance.sounds["bang_sm"].Play();
}
return(true);
}
return(false);
}
override public bool CollidesWith(Entity e)
{
if (!hidden && Intersects(e))
{
Astro.Instance.score += 50;
Explosion.Spawn(Astro.Instance.animations["explosion_ship"], x, y);
Astro.Instance.sounds["bang_lg"].Play();
Hide();
return(true);
}
return(false);
}
override public void CheckCollisions()
{
foreach (Entity e in Astro.Instance.currentEntities)
{
if (e.CollidesWith(this))
{
Explosion.Spawn(Astro.Instance.animations["explosion_ship"], x, y);
Astro.Instance.sounds["bang_lg"].Play();
x = Astro.Instance.WIDTH * 0.5; // reset the ship to the center of the screen
y = Astro.Instance.HEIGHT * 0.5;
dx = dy = 0; // stop the ship's movement
if (--extraShips < 0)
{
Astro.Instance.saucer.Hide();
Astro.Instance.gameState = (Astro.Instance.score > HighScores.Instance.lowestHighScore) ?
Astro.GameState.GAMEOVER : // prompt for player's name
Astro.GameState.READY; // show high scores
}
}
}
}
