Created
March 22, 2019 14:26
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Mouse Listener for the Game of Fifteen tutorial on the SSaurel's Channel
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addMouseListener(new MouseAdapter() { | |
@Override | |
public void mousePressed(MouseEvent e) { | |
// used to let users to interact on the grid by clicking | |
// it's time to implement interaction with users to move tiles to solve the game ! | |
if (gameOver) { | |
newGame(); | |
} else { | |
// get position of the click | |
int ex = e.getX() - margin; | |
int ey = e.getY() - margin; | |
// click in the grid ? | |
if (ex < 0 || ex > gridSize || ey < 0 || ey > gridSize) | |
return; | |
// get position in the grid | |
int c1 = ex / tileSize; | |
int r1 = ey / tileSize; | |
// get position of the blank cell | |
int c2 = blankPos % size; | |
int r2 = blankPos / size; | |
// we convert in the 1D coord | |
int clickPos = r1 * size + c1; | |
int dir = 0; | |
// we search direction for multiple tile moves at once | |
if (c1 == c2 && Math.abs(r1 - r2) > 0) | |
dir = (r1 - r2) > 0 ? size : -size; | |
else if (r1 == r2 && Math.abs(c1 - c2) > 0) | |
dir = (c1 - c2) > 0 ? 1 : -1; | |
if (dir != 0) { | |
// we move tiles in the direction | |
do { | |
int newBlankPos = blankPos + dir; | |
tiles[blankPos] = tiles[newBlankPos]; | |
blankPos = newBlankPos; | |
} while(blankPos != clickPos); | |
tiles[blankPos] = 0; | |
} | |
// we check if game is solved | |
gameOver = isSolved(); | |
} | |
// we repaint panel | |
repaint(); | |
} | |
}); |
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