private Path updatePath() {
// playMap.clearVisit();
System.out.println("Crawler = " + start);
path = pathFinder.findPath(this, start.getX(), start.getY(), finish.getX(), finish.getY());
System.out.println(
"UpdatePath : " + (path == null ? "none" : " path length " + path.getLength()));
pathIdx = 0;
return path;
}
public void update(GameContainer gc, int frame) {
timr += frame;
if (timr > 500) {
if (path != null) {
pathIdx = Math.min(path.getLength(), pathIdx + 1);
pathStep = path.getStep(pathIdx - 1);
start.setX(pathStep.getX());
start.setY(pathStep.getY());
}
timr = 0;
}
}
public void render(GameContainer gc, Graphics gfx) throws SlickException {
Point pt = playMap.getPos();
if (path != null) {
for (int i = 0; i < path.getLength(); i++) {
Path.Step step = path.getStep(i);
gfx.setColor(Color.white);
gfx.drawRect(
pt.getX() + step.getX() * playMap.getTileWidth(),
pt.getY() + step.getY() * playMap.getTileHeight(),
playMap.getTileWidth(),
playMap.getTileHeight());
}
}
if (pathStep != null) {
Point foe = new Point(pt);
gfx.drawOval(
foe.getX() + pathStep.getX() * playMap.getTileWidth() + 4,
foe.getY() + pathStep.getY() * playMap.getTileHeight() + 4,
9,
9);
}
}