/// <summary>
/// Checks collisions between the meteors and an alien ship
/// </summary>
/// <param name="Lmeteor">list of meteors</param>
/// <param name="ship">alien ship</param>
public void DidCollisionOccur(List <Meteor> Lmeteor, AlienBase ship)
{
for (int i = Lmeteor.Count - 1; i >= 0; i--)
{
if (!Lmeteor[i].IsDying)
{
if (Check(Lmeteor[i].Bounds, ship.Bounds))
{
if (Settings.debug)
{
Lmeteor[i].isCollided = true;
ship.isCollided = true;
}
if (Settings.useFancyCollisions)
{
if (Settings.debug)
{
Lmeteor[i].isCollidedFoReal = false;
ship.isCollidedFoReal = false;
}
if (FancyCollisions.isColliding(Lmeteor[i], ship))
{
if (Settings.debug)
{
Lmeteor[i].isCollidedFoReal = true;
ship.isCollidedFoReal = true;
}
ship.IsDying = true;
DestroyedAliens.Add(ship);
}
}
else
{
ship.IsDying = true;
DestroyedAliens.Add(ship);
}
}
else if (Check(Lmeteor[i].Bounds, ship.Aware))
{
ship.Visibles.Add(Lmeteor[i]);
}
}
}
}
/// <summary>
/// checks collisions between the player's bullets and the alien ships
/// </summary>
/// <param name="Lbullet">player's bullets</param>
/// <param name="ship">alien ship</param>
public void DidCollisionOccur(List <Weapon> Lbullet, AlienBase ship)
{
for (int i = Lbullet.Count - 1; i >= 0; i--)
{
if (!Lbullet[i].IsDying)
{
if (Check(Lbullet[i].Bounds, ship.Bounds))
{
if (Settings.debug)
{
Lbullet[i].isCollided = true;
ship.isCollided = true;
}
if (Settings.useFancyCollisions)
{
if (Settings.debug)
{
Lbullet[i].isCollidedFoReal = false;
ship.isCollidedFoReal = false;
}
if (FancyCollisions.isColliding(Lbullet[i], ship))
{
if (Settings.debug)
{
Lbullet[i].isCollidedFoReal = true;
ship.isCollidedFoReal = true;
}
bulletHitAlien(ship, Lbullet[i]);
}
}
else
{
bulletHitAlien(ship, Lbullet[i]);
}
}
else if (Check(Lbullet[i].Bounds, ship.Aware))
{
ship.Visibles.Add(Lbullet[i]);
}
}
}
}
/// <summary>
/// Handles the collision between a player's bullet and an alien ship
/// </summary>
/// <param name="alien">the alien</param>
/// <param name="bullet">the bullet</param>
private void bulletHitAlien(AlienBase alien, Weapon bullet)
{
bullet.IsDying = true;
UsedBullets.Add(bullet);
alien.ShieldLevel -= 1;
if (alien.ShieldLevel < 0)
{
alien.IsDying = true;
DestroyedAliens.Add(alien);
MainGame.score += alien.PointValue;
MainGame.extraLivesCounter += alien.PointValue;
if (MainGame.extraLivesCounter > Settings.scoreToNextLife)
{
MainGame.lives++;
MainGame.extraLivesCounter = 0;
MainGame.extraLifeAdded = true;
}
}
else
{
try { GameSounds.effect(GameMedia.getDir["shieldsDownSND"]); }
catch { }
}
}