//---------------------------------------------------------------
#endregion
//---------------------------------------------------------------
//---------------------------------------------------------------
#region Initialisation
//---------------------------------------------------------------
/// <summary>
/// Creates a new instance of a particle system.
/// </summary>
/// <param name="size">The max number of particles.</param>
public ParticleSystem2d(int size) : base( )
{
textures = new Textures();
particles = new Purple.Collections.FixedBag(size);
// Create a new format
VertexFormat format = new VertexFormat(
new Type[] { typeof(PositionStream2), typeof(ColorStream), typeof(TextureStream) });
// create VertexUnit and IndexStream
vertexUnit = new VertexUnit(format, size * 4);
indexStream = IndexStream.FromQuads(size);
// load shaders from the resource files
using (System.IO.Stream fxStream = Purple.IO.ResourceFileSystem.Instance.Open("Purple/Graphics/Particles/Particle2d.fx")) {
Effect = EffectCompiler.Instance.Compile(fxStream);
}
}