private void try_transition(Dir dir) {
// No transition yet.
if (percentage < 1 - straight_per_inc) {
return;
}
TrackPiece newLocation = null;
switch (dir) {
case LEFT:
newLocation = myLocation.getLeft();
break;
case UP:
newLocation = myLocation.getUp();
break;
case DOWN:
newLocation = myLocation.getDown();
break;
case RIGHT:
newLocation = myLocation.getRight();
break;
}
if (newLocation == null) {
handle_end_of_track();
} else {
myLocation = newLocation;
percentage = 0;
// Make sure we keep track of which direction the car is currently going in.
myDir = dir;
}
}
