C++ (Cpp) Ptr::yPeekIs示例

示例#1

文件： toplevel.cpp 项目： lufenghuan/cs244b-mazewar

void peekRight()
{
	M->xPeekIs(MY_X_LOC);
	M->yPeekIs(MY_Y_LOC);
	M->dirPeekIs(MY_DIR);

	switch(MY_DIR) {
	case NORTH:	if (!M->maze_[MY_X_LOC+1][MY_Y_LOC]) {
				M->xPeekIs(MY_X_LOC + 1);
				M->dirPeekIs(EAST);
			}
			break;

	case SOUTH:	if (!M->maze_[MY_X_LOC-1][MY_Y_LOC]) {
				M->xPeekIs(MY_X_LOC - 1);
				M->dirPeekIs(WEST);
			}
			break;

	case EAST:	if (!M->maze_[MY_X_LOC][MY_Y_LOC+1]) {
				M->yPeekIs(MY_Y_LOC + 1);
				M->dirPeekIs(SOUTH);
			}
			break;

	case WEST:	if (!M->maze_[MY_X_LOC][MY_Y_LOC-1]) {
				M->yPeekIs(MY_Y_LOC - 1);
				M->dirPeekIs(NORTH);
			}
			break;

	default:
			MWError("bad direction in PeekRight");
	}

	/* if any change, display the new view without moving! */

	if ((M->xPeek() != MY_X_LOC) || (M->yPeek() != MY_Y_LOC)) {
		M->peekingIs(TRUE);
		updateView = TRUE;
	}
}