particle yeye

 Particle particle = new();
        int i = 0;
        while (i < 50)
        {
            i++;
            float a = (float)(random.NextDouble() * Math.PI * 2); // TAU is 2π
            float sin = (float)Math.Sin(a);
            float cos = (float)Math.Cos(a);

            float r = Enumerable.Range(0, 6)
                .Select(_ => (float)random.NextDouble())
                .Sum();

            r = Math.Abs(r / 3.0f - 1.0f);

            //Vector2 pos = new Vector2(cos, sin) * ((float)Math.Sqrt(0.3f) * 10.0f * r);
            Vector2 pos = Random.insideUnitCircle * 5;
            float centerDist = new Vector2(pos.x, pos.y).magnitude;
            float force = Mathf.Sqrt(centerMass / centerDist) * particleForce;
            Vector2 direction = new Vector2(pos.y, pos.x).normalized;
            Vector2 velocity = new Vector2(direction.x, -direction.y) * (force * particleForce);

            float noise = Mathf.PerlinNoise((pos.x + 1000) * 4, (pos.y + 10000) * 4);
            if (pos.magnitude > .3f && (noise > .8f || random.NextDouble() < .1f))
            {
                particle = new Particle
                {
                    position = pos,
                    velocity = velocity,
                    mass = mass
                };
                break;
            }