public void zoomIn() {
int width = grid.getWidth();
int height = grid.getHeight();
grid.cropLeft(width / 4);
grid.cropRight(width / 4);
grid.cropTop(height / 4);
grid.cropBottom(height / 4);
cellSizeProperty.set(cellSizeProperty.get() * 2);
timelineRate = timeline.getRate();
init();
runner.setGrid(grid);
}
public void zoomOut() {
int width = grid.getWidth();
int height = grid.getHeight();
grid.padLeft(width / 2);
grid.padRight(width / 2);
grid.padTop(height / 2);
grid.padBottom(height / 2);
cellSizeProperty.set(cellSizeProperty.get() / 2);
timelineRate = timeline.getRate();
init();
runner.setGrid(grid);
}
public void init() {
setOffsets();
Stage primaryStage = (Stage) getScene().getWindow();
mouseEventHandler =
new EventHandler<MouseEvent>() {
@Override
public void handle(MouseEvent event) {
CellView source = (CellView) event.getSource();
if (event.getEventType().equals(MouseEvent.MOUSE_PRESSED)) {
if (event.isControlDown()) {
int x =
(int)
Math.floor(
(event.getScreenX() - primaryStage.getX() - dxProperty.get())
/ cellSizeProperty.get());
int y =
(int)
Math.floor(
(event.getScreenY() - primaryStage.getY() - dyProperty.get())
/ cellSizeProperty.get());
for (int i = 0; i < pattern.length; i++) {
for (int j = 0; j < pattern[0].length; j++) {
try {
if (cellViews[x + j][y + i].getState() != pattern[i][j])
cellViews[x + j][y + i].incrementState();
} catch (ArrayIndexOutOfBoundsException e) {
}
}
}
} else {
source.incrementState();
currentState = source.getState();
}
} else if (event.getEventType().equals(MouseEvent.MOUSE_DRAGGED)) {
int x =
(int)
Math.floor(
(event.getScreenX() - primaryStage.getX() - dxProperty.get())
/ cellSizeProperty.get());
int y =
(int)
Math.floor(
(event.getScreenY() - primaryStage.getY() - dyProperty.get())
/ cellSizeProperty.get());
if (cellViews[x][y].getState() != currentState) cellViews[x][y].incrementState();
}
}
};
getChildren().clear();
for (int i = 0; i < grid.getWidth(); i++) {
for (int j = 0; j < grid.getHeight(); j++) {
CellView cellView = null;
if ((i <= 1 || j <= 1) || (grid.getCell(i, j).getState() != 0)) {
cellView = new CellView(grid.getCell(i, j));
cellView.widthProperty().bind(cellSizeProperty);
cellView.heightProperty().bind(cellSizeProperty);
cellView.addEventHandler(MouseEvent.ANY, mouseEventHandler);
add(cellView, i, j);
}
cellViews[i + xOffset][j + yOffset] = cellView;
totalCells--;
}
}
timeline = new Timeline(new KeyFrame(new Duration(100), ((event) -> updateGrid())));
timeline.setCycleCount(Timeline.INDEFINITE);
getScene()
.setOnKeyPressed(
(keyEvent) -> {
if (keyEvent.getCode().equals(KeyCode.SPACE)) {
if (playing) timeline.pause();
else timeline.play();
playing = !playing;
} else if (keyEvent.getCode().equals(KeyCode.MINUS)) {
if (keyEvent.isControlDown() && cellSizeProperty.get() > 2) zoomOut();
else if (playing && timeline.getRate() > 0.03125)
timeline.setRate(timeline.getRate() / 2);
} else if (keyEvent.getCode().equals(KeyCode.EQUALS)) {
if (keyEvent.isControlDown() && cellSizeProperty.get() < 64) zoomIn();
else if (playing && timeline.getRate() < 16)
timeline.setRate(timeline.getRate() * 2);
}
});
timeline.setRate(timelineRate);
if (playing) timeline.play();
((Stage) getScene().getWindow()).sizeToScene();
}