void CreateParticle()
{
Particle p = new Particle();
double speed = rand.Next(20) + 140;
double angle = Math.PI * 2 * rand.Next(10000) / 10000;
p.Velocity.X = Math.Sin(angle) * speed;
p.Velocity.Y = Math.Cos(angle) * speed;
p.Position = new PointD(Center.X - 16, Center.Y - 16);
p.Color = particleColor.ToColor();
p.Lifespan = .5 + rand.Next(200) / 1000d;
p.Initiailize();
Particles.Add(p);
}
