private void addTile() {
List<Tile> list = availableSpace();
if (!availableSpace().isEmpty()) {
int index = (int) (Math.random() * list.size()) % list.size();
Tile emptyTime = list.get(index);
emptyTime.value = Math.random() < 0.9 ? 2 : 4;
}
}
private List<Tile> availableSpace() {
final List<Tile> list = new ArrayList<Tile>(16);
for (Tile t : myTiles) {
if (t.isEmpty()) {
list.add(t);
}
}
return list;
}
public void merge(Tile another) {
getStyleClass().remove("tile-" + value);
this.value += another.getValue();
setText(value.toString());
merged = true;
getStyleClass().add("tile-" + value);
}
private void drawTile(Graphics g2, Tile tile, int x, int y) {
Graphics2D g = ((Graphics2D) g2);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
int value = tile.value;
int xOffset = offsetCoors(x);
int yOffset = offsetCoors(y);
g.setColor(tile.getBackground());
g.fillRoundRect(xOffset, yOffset, TILE_SIZE, TILE_SIZE, 14, 14);
g.setColor(tile.getForeground());
final int size = value < 100 ? 36 : value < 1000 ? 32 : 24;
final Font font = new Font(FONT_NAME, Font.BOLD, size);
g.setFont(font);
String s = String.valueOf(value);
final FontMetrics fm = getFontMetrics(font);
final int w = fm.stringWidth(s);
final int h = -(int) fm.getLineMetrics(s, g).getBaselineOffsets()[2];
if (value != 0)
g.drawString(s, xOffset + (TILE_SIZE - w) / 2, yOffset + TILE_SIZE - (TILE_SIZE - h) / 2 - 2);
if (myWin || myLose) {
g.setColor(new Color(255, 255, 255, 30));
g.fillRect(0, 0, getWidth(), getHeight());
g.setColor(new Color(78, 139, 202));
g.setFont(new Font(FONT_NAME, Font.BOLD, 48));
if (myWin) {
g.drawString("You won!", 68, 150);
}
if (myLose) {
g.drawString("Game over!", 50, 130);
g.drawString("You lose!", 64, 200);
}
if (myWin || myLose) {
g.setFont(new Font(FONT_NAME, Font.PLAIN, 16));
g.setColor(new Color(128, 128, 128, 128));
g.drawString("Press ESC to play again", 80, getHeight() - 40);
}
}
g.setFont(new Font(FONT_NAME, Font.PLAIN, 18));
g.drawString("Score: " + myScore, 200, 365);
}
public boolean isMergeable(Tile anotherTile) {
return anotherTile != null && getValue().equals(anotherTile.getValue());
}