Example #1
0
 public static Vector2 flee(Vector2 targetPos, Vehicle v) {
   Vector2 desiredVelocity = v.getCenter().cpy().sub(targetPos);
   Vector2 velocity = v.getVelocity();
   desiredVelocity.nor();
   desiredVelocity.mul(v.getMaxVelocity());
   desiredVelocity.sub(velocity).mul(CORRECTION);
   return desiredVelocity;
 }
Example #2
0
  public static Vector2 arrive(Vector2 targetPos, Vehicle v) {
    Vector2 desiredVelocity = v.getCenter().cpy().sub(targetPos);
    Vector2 velocity = v.getVelocity();

    float len = desiredVelocity.len();
    if (len > 0.05f) {
      desiredVelocity.nor();
      float min = Math.min(len, v.getMaxVelocity());
      desiredVelocity.mul(min);
      desiredVelocity.sub(velocity).mul(-CORRECTION);
    }
    return desiredVelocity;
  }
Example #3
0
  public static Vector2 pursue(Vector2 target, Vector2 targetVelocity, Vehicle v) {
    Vector2 velocity = v.getVelocity();
    Vector2 desiredVelocity = v.getCenter().cpy().sub(target);

    float ownVelocityAlignment = desiredVelocity.dot(velocity);
    float relativeHeading = targetVelocity.dot(velocity);
    if (ownVelocityAlignment > 0 && relativeHeading < -0.95) {
      return seek(target, v);
    }

    float lookAheadTime = desiredVelocity.len() / (v.getMaxVelocity() + targetVelocity.len());

    Vector2 predicetTargetPos = target.cpy().add(targetVelocity).cpy().mul(lookAheadTime);

    return seek(predicetTargetPos, v);
  }