// Spawns x particles at the location to form an explosion
// todo: refactor into explosion particle class
public void AddExplosion(Vector2 location, Vector2 momentum)
{
switch (Type)
{
case ParticleType.Point:
{
int pointsToGenerate = _rand.Next(MinPointCount, MaxPointCount + 1);
GeneratePoints(location, momentum, pointsToGenerate);
break;
}
case ParticleType.Piece:
{
// location is the center of the sprite where we want to render the particle
// so we compensate by calculating the upper left corner which is where we
// need to position the particle for rendering
Rectangle rect = _tileSheet.TileAt(0, 0);
Vector2 pieceLocation = location - new Vector2(rect.Width / 2, rect.Height / 2);
int piecesToGenerate = _rand.Next(MinPieceCount, MaxPieceCount + 1);
GeneratePieces(pieceLocation, momentum, piecesToGenerate);
break;
}
default:
break;
}
}
