public void Draw(SnakePoints s)
{
s.Fill();
s.SetColor(color);
s.DrawCircle(position, Quaternion.LookRotation(Vector3.forward), radius * (lifetime / length));
s.NoFill();
s.SetColor(Color.black);
s.DrawCircle(position, Quaternion.LookRotation(Vector3.forward), radius * (lifetime / length));
}
public void Update(SnakePoints s, float dt)
{
float t = Time.timeSinceLevelLoad * s.noiseSpeed;
float n = (Mathf.PerlinNoise((position.x + t) * s.noiseScale, (position.y + t) * s.noiseScale) - 0.5f) * TWO_PI * 2f;
velocity += new Vector3(Mathf.Cos(n), Mathf.Sin(n), 0f) * s.noiseIntensity * dt;
velocity *= 0.9f; // decay
lifetime -= dt;
position += velocity;
}