GridDrawer.OnPostRender C# (CSharp) Method

    void OnPostRender()
    {
        if (m_show == false) return;
        GL.PushMatrix();
        #if !UNITY_ANDROID
        temp.SetPass(0);
        #endif
        // X-Y Plane.

        Color c = m_currentGridColor;
        float thickWidth = 1.5f;

        float zVal = 0.15f;
        if (m_camController.IsMirrored()) {
            zVal *= -1.0f;
        }

        // draw horizontal lines
        {
            float xMin = -0.25f; float xMax = 0.25f;
            float yMin = 0.0f; float yMax = 0.3f;
            float increment = 0.01f;
            int count = 0;
            while (yMin <= yMax) {
                Vector3 start = new Vector3(xMin, yMin, zVal) + m_center;
                Vector3 end = new Vector3(xMax, yMin, zVal) + m_center;
                if (count % 5 == 0) {
                    DrawLine(start, end, c, thickWidth);
                } else {
                    DrawLine(start, end, c);
                }
                count++;
                yMin += increment;
            }
        }

        // vertical lines
        {
            float xMin = -0.25f; float xMax = 0.251f;
            float yMin = 0.0f; float yMax = 0.3f;
            float increment = 0.01f;
            int count = 0;
            while (xMin <= xMax) {
                Vector3 start = new Vector3(xMin, yMin, zVal) + m_center;
                Vector3 end = new Vector3(xMin, yMax, zVal) + m_center;
                if (count % 5 == 0) {
                    DrawLine(start, end, c, thickWidth);
                } else {
                    DrawLine(start, end, c);
                }
                count++;
                xMin += increment;
            }
        }

        // X-Z plane
        {
            float xMin = -0.25f; float xMax = 0.25f;
            float zMin = -0.15f; float zMax = 0.15f;
            float increment = 0.01f;
            int count = 0;
            while (zMin <= zMax) {
                Vector3 start = new Vector3(xMin, 0, zMin) + m_center;
                Vector3 end = new Vector3(xMax, 0, zMin) + m_center;
                if (count % 5 == 0) {
                    DrawLine(start, end, c, thickWidth);
                } else {
                    DrawLine(start, end, c);
                }
                count++;
                zMin += increment;
            }
        }

        {
            float xMin = -0.25f; float xMax = 0.251f;
            float zMin = -0.15f; float zMax = 0.15f;
            float increment = 0.01f;
            int count = 0;
            while (xMin <= xMax) {
                Vector3 start = new Vector3(xMin, 0, zMin) + m_center;
                Vector3 end = new Vector3(xMin, 0, zMax) + m_center;
                if (count % 5 == 0) {
                    DrawLine(start, end, c, thickWidth);
                } else {
                    DrawLine(start, end, c);
                }
                count++;
                xMin += increment;
            }
        }
        GL.PopMatrix();
    }