public void startScan(String mode) {
pathfindStart = System.currentTimeMillis();
if (!gridSet) {
grid.clearScan();
tracing = false;
if (grid.scanStart(mode)) {
gridSet = true;
}
}
}
@Override
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D gfx = (Graphics2D) g;
gfx.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// Clear screen
gfx.setColor(Constants.BACKGROUND_COLOR);
gfx.fillRect(0, 0, getWidth(), getHeight());
// Render next frame
grid.draw(gfx);
// Trace path line
if (tracing) {
gfx.setColor(Constants.PATH_COLOR);
gfx.setStroke(new BasicStroke(2));
for (int i = 1; i < pathLine.size(); i++) {
Coordinate p = pathLine.get(i - 1);
Coordinate n = pathLine.get(i);
gfx.drawLine(
(Constants.TILESIZE + Constants.MARGIN) * p.x
+ (Constants.TILESIZE / 2)
+ Constants.MARGIN,
(Constants.TILESIZE + Constants.MARGIN) * p.y
+ (Constants.TILESIZE / 2)
+ Constants.MARGIN,
(Constants.TILESIZE + Constants.MARGIN) * n.x
+ (Constants.TILESIZE / 2)
+ Constants.MARGIN,
(Constants.TILESIZE + Constants.MARGIN) * n.y
+ (Constants.TILESIZE / 2)
+ Constants.MARGIN);
}
}
}
public void run() {
long start, end, sleepTime;
while (running) {
start = System.currentTimeMillis();
if (gridSet) {
grid.scanStep();
}
repaint();
end = System.currentTimeMillis();
// Sleep to match FPS limit
sleepTime = (1000 / framerate) - (end - start);
if (sleepTime > 0) {
try {
Thread.sleep(sleepTime);
} catch (InterruptedException e) {
thread.interrupt();
}
}
}
}
public void clear() {
if (!gridSet) {
grid.clearAll();
tracing = false;
}
}