/// <summary>
/// Creates the sparks from the explosion.
/// </summary>
/// <param name="explosion">The explosion that is the source of sparks.</param>
/// <returns>
/// A collection of sparks for the specified explosion.
/// </returns>
/// <exception cref="System.ArgumentNullException"> if <paramref name="explosion"/>
/// is <c>null</c>.</exception>
/// <exception cref="System.InvalidOperationException"> if <paramref name="explosion"/>
/// does not match <typeparamref name="TExplosion"/>.</exception>
public virtual IEnumerable <Firework> CreateSparks(ExplosionBase explosion)
{
if (explosion == null)
{
throw new ArgumentNullException(nameof(explosion));
}
int desiredNumberOfSparks;
if (!explosion.SparkCounts.TryGetValue(this.GeneratedSparkType, out desiredNumberOfSparks))
{
return(Enumerable.Empty <Firework>());
}
TExplosion typedExplosion = SparkGeneratorBase <TExplosion> .GetTypedExplosion(explosion);
IList <Firework> sparks = new List <Firework>(desiredNumberOfSparks);
for (int i = 0; i < desiredNumberOfSparks; i++)
{
sparks.Add(this.CreateSparkTyped(typedExplosion));
}
return(sparks);
}
/// <summary>
/// Creates the spark from the explosion.
/// </summary>
/// <param name="explosion">The explosion that is the source of sparks.</param>
/// <returns>A spark for the specified explosion.</returns>
/// <exception cref="System.ArgumentNullException"> if <paramref name="explosion"/>
/// is <c>null</c>.</exception>
/// <exception cref="System.InvalidOperationException"> if <paramref name="explosion"/>
/// does not match <typeparamref name="TExplosion"/>.</exception>
public virtual Firework CreateSpark(ExplosionBase explosion)
{
if (explosion == null)
{
throw new ArgumentNullException(nameof(explosion));
}
TExplosion typedExplosion = SparkGeneratorBase <TExplosion> .GetTypedExplosion(explosion);
return(this.CreateSparkTyped(typedExplosion));
}