private void headFor(Vector2 target) {
assert Rectangle.contains(movementRect, target);
Vector2 delta = Vector2.subtract(target, body.getMin());
Vector2 direction = delta.normalize();
Vector2 velocity = Vector2.multiply(direction, speed);
movement.setVelocity(velocity);
}
@Override
public void update(GameTime time) {
if (targetsLeft > 0) {
Vector2 a = Vector2.subtract(body.getMin(), currentTarget);
if (Vector2.dot(a, movement.getVelocity()) >= 0) {
--targetsLeft;
// Target passed
if (targetsLeft > 0) {
currentTarget =
newRandomTarget(
Locator.getRandom(),
(int) movementRect.getX1(),
(int) movementRect.getY1(),
(int) movementRect.getX2(),
(int) movementRect.getY2(),
(int) body.getX1(),
(int) body.getY1(),
MIN_WALK_SQUARED);
headFor(currentTarget);
}
}
}
}