Labels:dialog box | door | sky OCR: For example if you have block than can be moved either left or right, clicking in the left. half of the block will make go left while clicking in the right half will make go right. In the case of piece than can be moved either left or right and up or down, think of the block as a set. of four triangles and together The direction depends on which "quarter" you click (Click Please) toget direc clicl