UnityEngine.MaterialPropertyBlock.AddVector C# (CSharp) Method

        public void AddVector(int nameID, Vector4 value)
        {
            this.SetVector(nameID, value);
        }

    public virtual void LateUpdate()
    {
        if(m_id==0)
        {
            m_id = ++s_idgen;
        }
        m_local_time += Time.deltaTime;

        if (m_mpb == null)
        {
            m_renderer = GetComponent<Renderer>();
            m_trans = GetComponent<Transform>();
            m_mpb = new MaterialPropertyBlock();
            m_mpb.AddVector("_Position", Vector4.zero);
            m_mpb.AddVector("_Rotation", Vector4.zero);
            m_mpb.AddVector("_Scale", Vector4.one);
            m_mpb.AddFloat("_LocalTime", m_local_time);
            m_mpb.AddFloat("_ID", m_id);
        }

        var rot = m_trans.rotation;
        m_mpb.SetVector("_Position", m_trans.position);
        m_mpb.SetVector("_Rotation", new Vector4(rot.x, rot.y, rot.z, rot.w));
        m_mpb.SetVector("_Scale", m_trans.localScale);
        m_mpb.SetFloat("_LocalTime", m_local_time);
        for (int i = 0; i < m_params.Length; ++i)
        {
            m_mpb.SetFloat(m_params[i].key, m_params[i].value);
        }
        m_renderer.SetPropertyBlock(m_mpb);
    }