/// <summary>
/// 【观察者模式】
///
/// 足球（Ball）解决求和球员的问题及当球的位置变化，所有的球员和裁判应当能够立即感知。
/// </summary>
static void observers()
{
var ball = new FootBall();
////'Create few players (i.e, ConcreteObservers)
var Owen = new Player(ball, "Owen");
var Ronaldo = new Player(ball, "Ronaldo");
var Rivaldo = new Player(ball, "Rivaldo");
////'Create few referees (i.e, ConcreteObservers)
var Mike = new Referee(ball, "Mike");
var John = new Referee(ball, "John");
////'Attach the observers with the ball
ball.AttachObserver(Owen);
ball.AttachObserver(Ronaldo);
ball.AttachObserver(Rivaldo);
ball.AttachObserver(Mike);
ball.AttachObserver(John);
System.Console.WriteLine("After attaching the observers...");
////'Update the position of the ball.
////'At this point, all the observers should be notified automatically
ball.SetBallPosition(new Position());
////'Just write a blank line
System.Console.WriteLine();
////'Remove some observers
ball.DetachObserver(Owen);
ball.DetachObserver(John);
System.Console.WriteLine("After detaching Owen and John...");
////'Updating the position of ball again
////'At this point, all the observers should be notified automatically
ball.SetBallPosition(new Position(10, 10, 30));
////'Press any key to continue..
}
IEnumerator PassTheBall()
{
Quaternion lookAt = Quaternion.LookRotation(throwVector);
transform.rotation = lookAt;
throwingHand = throwingHandScript.gameObject;
yield return(new WaitForSeconds(1)); //todo find way to access animation curve info.
var thrownBall = Instantiate(footBall, throwingHand.transform.position, lookAt); //todo put footballs in hierarchy container
thrownBall.name = "throwBall";
FootBall thrownBallScript = thrownBall.GetComponent <FootBall>();
thrownBallScript.PassFootBallToMovingTarget(this, targetOffPlayer, thrownBallScript, throwArc, throwPower);
gameManager.isPassStarted = true;
//Destroy(thrownBall, 3f); //todo get better solution to removing footballs
}
public void PassFootBallToMovingTarget(QB ballThrower, OffPlayer receiver, FootBall footBall, float arcType, float power)
{
isComplete = true;
SetGameManager();
gameManager.AttemptPass(ballThrower, receiver, this, arcType, power); //todo, this is ugly. Probably should be a bool for isComplete
if (rb == null)
{
rb = GetComponent <Rigidbody>();
}
//targetPos = GetPositionIn(2, wr);
transform.parent = null;
rb.useGravity = true;
BallisticMotion motion = GetComponent <BallisticMotion>();
Vector3 targetPos = receiver.transform.position;
Vector3 diff = targetPos - transform.position;
Vector3 diffGround = new Vector3(diff.x, 0f, diff.z);
Vector3 fireVel, impactPos;
Vector3 velocity = receiver.navMeshAgent.velocity;
//FTS Calculations https://github.com/forrestthewoods/lib_fts/tree/master/projects/unity/ballistic_trajectory
float gravity;
if (Ballistics.solve_ballistic_arc_lateral(transform.position, power, targetPos + Vector3.up, velocity, arcType,
out fireVel, out gravity, out impactPos))
{
GameObject go = Instantiate(targetMarker, impactPos, Quaternion.LookRotation(ballThrower.transform.position + new Vector3(0, 1, 0)));
go.name = "footballMarker";
go.transform.parent = FindObjectOfType <FootBall>().transform;
Destroy(go, 2);
transform.forward = diffGround;
motion.Initialize(transform.position, gravity);
motion.AddImpulse(fireVel);
gameManager.ThrowTheBall(ballThrower, receiver, this, impactPos, arcType, power, isComplete); //todo the football stores whether the pass is complete or not, not sure if thats a good idea.
}
//Debug.Log("Firing at " + impactPos);
}
internal void LookAtBall(FootBall ball)
{
lookObj = ball.transform;
}
public override void PlayFootBall(FootBall ballType)
{
Console.WriteLine("足球是用来打的");
}
public void AttemptPass(QB ballThrower, OffPlayer ballReciever, FootBall ball, float arcType, float power)
{
passAttempt(ballThrower, ballReciever, ball, arcType, power);
}
public void ThrowTheBall(QB ballThrower, OffPlayer ballReciever, FootBall ball, Vector3 impactPos, float arcType, float power, bool isComplete)
{
onBallThrown(ballThrower, ballReciever, ball, impactPos, arcType, power, isComplete);
}
private void BallThrown(QB thrower, WR reciever, FootBall footBall, Vector3 impactPos, float arcType, float power, bool isComplete)
{
}
internal void FollowBall(FootBall ball)
{
player = null;
football = ball.gameObject;
}
public abstract void PlayFootBall(FootBall ballType);
