public void UpdateParticle(Particle particle, long delta) { if (particle.GetLife() > 600) { particle.AdjustSize(0.07f * delta); } else { particle.AdjustSize(-0.04f * delta * (size / 40.0f)); } float c = 0.002f * delta; particle.AdjustColor(0, -c / 2, -c * 2, -c / 4); }