Category: Geometry

    public void OnShow_Differential_Rings()
    {
        if (amd == null)
        {
            amd = new ArgosMeshDraft();
        }
        else
        {
            amd.Clear();
        }

        GetComponent<MeshRenderer>().enabled = true;
        setColor(orbitColor);

        List<Vector3> vInnerLower = new List<Vector3>();
        List<Vector3> vOuterLower = new List<Vector3>();
        List<Vector3> vInnerUpper = new List<Vector3>();
        List<Vector3> vOuterUpper = new List<Vector3>();

        List<Vector3> vDisk = new List<Vector3>();

        float op = Mathf.PI * 2f;
        float delta_theta = op / 180;
        float theta = 0;

        Vector3 vPos_Lower;
        Vector3 vPos_Upper;
        Vector3 vNorm;
        float w_by_2 = cylinder_Width * 0.66666f;//to differentiate from Helix
        float rad = cylinder_Radius;

        Vector3 vZero = (cylinder_Offset + cylinder_Height / 2) * Vector3.up;
        vDisk.Add(vZero);

        for (int i = 0; i < 180; i++)
        {
            vPos_Lower = rad * Mathf.Cos(theta) * Vector3.right + rad * Mathf.Sin(theta) * Vector3.forward;

            float theta_Mod = theta % (Mathf.PI*2f/3f);
            float lout = rad;

            if (theta_Mod < 60)
            {
                lout = (1f - 0.5f * theta_Mod / (Mathf.PI/ 3f));
            }
            else
            {
                lout = (0.5f + 0.5f * (theta_Mod - (Mathf.PI / 3f)) / (Mathf.PI / 3f));
            }
            vPos_Lower *= lout;
            vPos_Upper = vPos_Lower;
            vNorm = vPos_Lower.normalized;
            vPos_Lower += cylinder_Offset * Vector3.up;

            vInnerLower.Add(vPos_Lower - w_by_2 * vNorm);
            vOuterLower.Add(vPos_Lower + w_by_2 * vNorm);

            vPos_Lower += (cylinder_Height / 2) * Vector3.up;
            vDisk.Add(vPos_Lower - w_by_2 * vNorm);

            vPos_Upper += cylinder_Height * Vector3.up + cylinder_Offset * Vector3.up;

            vInnerUpper.Add(vPos_Upper - w_by_2 * vNorm);
            vOuterUpper.Add(vPos_Upper + w_by_2 * vNorm);

            theta += delta_theta;
        }
        amd.Add(MeshDraft.Band(vOuterLower, vInnerLower));
        amd.Add(MeshDraft.Band(vInnerUpper, vOuterUpper));
        amd.Add(MeshDraft.Band(vInnerLower, vInnerUpper));
        amd.Add(MeshDraft.Band(vOuterUpper, vOuterLower));

        if (bAdd_Disk)
        {
            amd.Add(MeshDraft.TriangleFan(vDisk));
        }
        GetComponent<MeshFilter>().mesh = amd.ToMeshInternal();
    }