YamangTools.YamangDll.TransPickedTriangle C# (CSharp) Method

        public static extern Int32 TransPickedTriangle(ref float pickedX, ref float pickedZ, ref int PickedTriPointA, ref int PickedTriPointB, ref int PickedTriPointC);

        async private void Render()
        {
            while (!renderStop)
            {
                YamangDll.PreRendering();
                int curWidth    = Convert.ToInt32(GetNumber(MapHeightVal));
                int curHeight   = Convert.ToInt32(GetNumber(MapWidthVal));
                int curMapSpace = Convert.ToInt32(GetNumber(MapVertexSpacingVal));

                if ((preWidth != curWidth) || (preHeight != curHeight) || (preMapSpace != curMapSpace))
                {
                    meshSizeChanged = true;
                }

                if (meshSizeChanged)
                {
                    meshSizeChanged = false;

                    YamangDll.InitGroundMesh(curWidth, curHeight);
                    YamangDll.CreateRawGround(curWidth, curHeight, curMapSpace);
                }

                YamangDll.ToolViewSetting(RenderTarget.Size.Width, RenderTarget.Size.Height);

                if (mouseEventFlag)
                {
                    SetAction();

                    YamangDll.CalcPickingRay(mouseXPosition, mouseYPosition);
                    //YamangDll.TransPickedTriangle(ref returnedXPos, ref returnedZPos);
                    YamangDll.TransPickedTriangle(ref returnedXPos, ref returnedZPos, ref PickedTriPointA, ref PickedTriPointB, ref PickedTriPointC);

                    //이거 활용해서 해당 위치에 나무 같은거 뿌리면 될 듯
                    Console.WriteLine("A: " + PickedTriPointA + "\nB: " + PickedTriPointB + "\nC: " + PickedTriPointC);
                    Console.WriteLine("Xpos: " + returnedXPos + ", ZPos: " + returnedZPos);

                    YamangDll.MapToolPickingEvent(actionFlag, PickedTriPointA, PickedTriPointB, PickedTriPointC);

                    mouseEventFlag = false;
                }
                YamangDll.RenderHeightMap();
                YamangDll.PostRendering();

                preWidth    = curWidth;
                preHeight   = curHeight;
                preMapSpace = curMapSpace;

                await Task.Delay(10);
            }
        }