DistributePointsOnSphere.cs

    public static Vector3[] DistributePointsOnUnitSphere(int count)
    {
        Assert.IsTrue(count > 0);
        Vector3[] points = new Vector3[count];

        // The Fibonacci Sphere algorithm.

        float phi = Mathf.PI * (Mathf.Sqrt(5f) - 1f);
        float descent = 2f / (float)(count-1);
        for (int i = 0; i < count; i++)
        {
            // calculate Y between 1 and -1
            float y = 1f - i * descent;
            float radius = Mathf.Sqrt(1f - y * y);
            float theta = phi * (float)i;
            float x = radius * Mathf.Cos(theta);
            float z = radius * Mathf.Sin(theta);
            points[i] = new Vector3(x, y, z);
        }

        return points;
    }