C# Monogame 代码在计算下一步时向前跳过（国际象棋）

Question

我目前正在编写国际象棋 AI，我正在使用 Monogame 进行图形处理。我想添加计算机棋子滑动到他们将棋子移动到的方块的动画，但我的代码不起作用。当 AI 只是随机移动（生成的时间可以忽略不计）时，滑动动画有效，但是我的 AI 速度较慢（生成需要几秒钟），Monogame 完全跳过动画，只是传送棋子从一个地方到另一个地方。我不确定问题出在哪里，如有任何帮助，我们将不胜感激！

这是我的更新方法代码：

            if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed || Keyboard.GetState().IsKeyDown(Keys.Escape))
                Exit();
            if (!anim)
            {
                drag = false;
                pastHeldDown = heldDown;
                compMove = null;
                clicked = false;
                mouseState = Mouse.GetState();
                pos = new int[] { mouseState.X, mouseState.Y };
                heldDown = false;
                if (mouseState.LeftButton == ButtonState.Pressed)
                {
                    heldDown = true;
                }
                if (!pastHeldDown && heldDown)
                {
                    clicked = true;
                    dragPiece = new int[] { (int)(mouseState.X) / 100, (int)(mouseState.Y) / 100 };
                    dragPiece = board.flipCoords(dragPiece, FLIP);
                    drag = true;
                    index = board.indexOf(board.posFromPiece(board.getPieceArr()), dragPiece);
                    if (index != -1)
                    {
                        highPiece = board.getPieceArr()[index];
                        if (!highPiece.getDead())
                            dragRenderVal = highPiece.getColor()[0] + highPiece.getType();
                        else
                            dragPiece = new int[] { -1, -1 };
                    }
                }
                if (pastHeldDown && !heldDown && highPiece != null)
                {
                    dragPiece = new int[] { (int)(mouseState.X) / 100, (int)(mouseState.Y) / 100 };
                    dragPiece = board.flipCoords(dragPiece, FLIP);
                    if (!(highPiece.getLoc()[0] == dragPiece[0] && highPiece.getLoc()[1] == dragPiece[1]))
                    {
                        if (MODE == 1 || (MODE == 2 && board.indexOf(highPiece.checkPiece(highPiece.listLegal(board), highPiece.getColor(), board, highPiece), dragPiece) != -1 && who == highPiece.getColor().Equals("white")) || (MODE == 3 && who == !COMPCOLOR && who == highPiece.getColor().Equals("white") && board.indexOf(highPiece.checkPiece(highPiece.listLegal(board), highPiece.getColor(), board, highPiece), dragPiece) != -1))
                        {
                            board.move(highPiece.getLoc(), dragPiece);
                            highPiece = null;
                            who = !who;
                            moves++;
                        }
                    }
                    else
                    {
                        highPiece = null;
                        dragPiece = null;
                    }
                }
                else if (MODE == 3 && who == COMPCOLOR)
                {
                    compMove = ChessAI.genMove(board, COMPCOLOR);
                    
                    slider = board.getPieceArr()[board.indexOf(board.posFromPiece(board.getPieceArr()), compMove[0])];
                    sliderLoc = new int[] { compMove[0][0] * 100 + ((compMove[1][0] * 100 - compMove[0][0] * 100) * animCounter) / ANIMTICKS, compMove[0][1] * 100 + ((compMove[1][1] * 100 - compMove[0][1] * 100) * animCounter) / ANIMTICKS };
                    who = !who;
                    anim = true;
                    animCounter = 0;
                    if (FLIP)
                    {
                        sliderLoc = new int[] { 700 - sliderLoc[0], 700 - sliderLoc[1] };
                    }
                }
            }
            else if (compMove != null)
            {
                sliderLoc = new int[] { compMove[0][0] * 100 + ((compMove[1][0] * 100 - compMove[0][0] * 100) *animCounter)/ANIMTICKS, compMove[0][1] * 100 + ((compMove[1][1] * 100 - compMove[0][1] * 100) *animCounter)/ANIMTICKS };
                if (FLIP)
                {
                    sliderLoc = new int[] { 700 - sliderLoc[0], 700 - sliderLoc[1] };
                 }
                animCounter++;
                if (animCounter == ANIMTICKS)
                {
                    anim = false;
                    animCounter = 0;
                    board.move(compMove[0], compMove[1]);
                    moves++;
                    compMove = null;
                }
            }
            base.Update(gameTime);