//collision detection for enemies and players
public void Collision()
{
Point2D playerpt = SwinGame.PointAt(_player.X, _player.Y);
_shadowplayer.Center = playerpt;
_shadowplayer.Radius = _player.Size;
List <Enemy> toRemove = new List <Enemy> ();
foreach (Enemy e in _enemies)
{
Point2D enemypt = SwinGame.PointAt(e.X, e.Y);
_shadowenemy.Center = enemypt;
_shadowenemy.Radius = e.Size;
if (SwinGame.BitmapCollision(_player.Sprite, _player.X, _player.Y, e.Sprite, e.X, e.Y) == true)
{
//if (SwinGame.CircleCircleCollision (_shadowplayer, _shadowenemy) == true) {
if (_player.Size > e.Size)
{
_player.Size += e.Size;
_tempScore += e.Size;
toRemove.Add(e);
}
else if (e.Size > _player.Size)
{
gameover = 1;
}
if ((e.X < -20) || (820 < e.X))
{
toRemove.Add(e);
}
}
}
foreach (Enemy e in toRemove)
{
_enemies.Remove(e);
}
_score = _tempScore;
}
public bool IsAt(GameObject gb)
{
return(SwinGame.BitmapCollision(gb.ObjectBitmap(), gb.Location, ObjectBitmap(), Location));
}
/// <summary>
/// This checks if any of the laser shots have collided with an enemy.
/// </summary>
/// <param name="w">Is a single instance of a laser shot</param>
/// <param name="e">Is a single instance of an enemy</param>
/// <returns>True if the two object collide.</returns>
public bool WeaponHitEnemy(WeaponInstance w, IEnemy e)
{
return(SwinGame.BitmapCollision(w.Type, w.X, w.Y, e.Type, e.X, e.Y));
}
/// <summary>
/// This checks to see if any individual enemy and the player have collided.
/// </summary>
/// <param name="p">Is the player</param>
/// <param name="e">Is the enemy, taken from a list of enemies.</param>
/// <returns>True if the collision has occured</returns>
public bool EnemyHitShip(Player p, IEnemy e)
{
return(SwinGame.BitmapCollision(e.Type, e.X, e.Y, p.Type, p.XShip, p.YShip));
}
// Check if Fire hits enemy
public bool EnemyHitFire(Enemy enemy, Fire fire)
{
return(SwinGame.BitmapCollision(enemy.Bitmap, enemy.X, enemy.Y, fire.Bitmap, fire.X, fire.Y));
}
// Check if Enemy hits dog
public bool EnemyHitDog(Enemy enemy, Dog dog)
{
return(SwinGame.BitmapCollision(enemy.Bitmap, enemy.X, enemy.Y, dog.Bitmap, dog.X, dog.Y));
}
