public static void PutBallToThePoint(PoolBall ball, ref Vector3 p)
{
float r = ball.GetRadius();
while (Physics.OverlapSphere(p, r, 1 << LayerMask.NameToLayer("Ball") | 1 << LayerMask.NameToLayer("WhiteBall")).Length != 0)
{
p.x -= r;
}
SupportTools.SetPosition(ball.gameObject, p, SupportTools.AxisIgnore.IgnoreY, true);
p.x -= r;
}
private float GetPlacedSpace(PoolBall ball, Vector3 dir)
{
ball.collider.enabled = false;
ball.rigidbody.isKinematic = true;
RaycastHit hit;
float space = 0;
if (Physics.SphereCast(ball.transform.position, ball.GetRadius(), dir, out hit, ConstantData.OulineAndBallLayer))
{
space = (hit.transform.position - ball.transform.position).magnitude * .5f;
}
ball.collider.enabled = true;
ball.rigidbody.isKinematic = false;
return(space);
}
private bool CheckObastacleBetweenBallAndPocket(PoolBall originBall, PocketTrigger pocket)
{
Vector3 dir = pocket.pointerPosition - originBall.transform.position;
RaycastHit[] hit = Physics.SphereCastAll(originBall.transform.position, originBall.GetRadius(),
dir, dir.magnitude, ConstantData.OulineAndBallLayer);
foreach (RaycastHit h in hit)
{
//Debug.Log("Obastacle between " + originBall.name + " and " + pocket.name + " : " + h.transform.name);
if (h.collider.name.CompareTo(originBall.name) != 0)
{
return(true);
}
}
return(false);
}
public static void PutBallToThePoint(PoolBall ball, ref Vector3 p)
{
float r = ball.GetRadius();
while (Physics.OverlapSphere(p, r, 1 << LayerMask.NameToLayer("Ball") | 1 << LayerMask.NameToLayer("WhiteBall")).Length != 0)
{
p.x -= r;
}
SupportTools.SetPosition(ball.gameObject, p, SupportTools.AxisIgnore.IgnoreY, true);
p.x -= r;
}
private float GetPlacedSpace(PoolBall ball, Vector3 dir)
{
ball.collider.enabled = false;
ball.rigidbody.isKinematic = true;
RaycastHit hit;
float space = 0;
if (Physics.SphereCast(ball.transform.position, ball.GetRadius(), dir, out hit, ConstantData.OulineAndBallLayer))
{
space = (hit.transform.position - ball.transform.position).magnitude * .5f;
}
ball.collider.enabled = true;
ball.rigidbody.isKinematic = false;
return space;
}
private Vector3 ConsiderHitPointWithDrag(Dictionary<PoolBall, List<PocketTrigger>> considerBalls, out Vector3 cueBallPosition, out PoolBall targetBall, out PocketTrigger targetTrigger)
{
Dictionary<PoolBall, PocketTrigger> optimalBalls = FilterTheBestPocketForEachBall(considerBalls);
cueBallPosition = Vector3.zero;
targetTrigger = null;
targetBall = null;
if(optimalBalls.Count == 0)
{
return Vector3.zero;
}
else
{
foreach (KeyValuePair<PoolBall, PocketTrigger> kvp in optimalBalls)
{
targetBall = kvp.Key;
targetTrigger = kvp.Value;
if (!targetTrigger) continue;
Vector3 dir = targetBall.transform.position - targetTrigger.pointerPosition;
//白球摆成和目标球和袋口一条直线
cueBallPosition = targetBall.transform.position + (dir.normalized * Mathf.Min(GetPlacedSpace(targetBall, targetBall.transform.position - targetTrigger.pointerPosition), 5 * targetBall.GetRadius()));
//这里随机会跳出循环，代表随机取一个球的意思， optimalBalls.count 为了使概率平均
if (Random.Range(1, optimalBalls.Count) == 1)
break;
}
if (!targetTrigger)
{
return Vector3.zero;
}
return ConsiderHitPoint(targetBall, targetTrigger);
}
}
private Vector3 ConsiderHitPoint(PoolBall ball, PocketTrigger trigger)
{
Vector3 vec = ball.transform.position - trigger.pointerPosition;
return ball.transform.position + vec.normalized * ball.GetRadius() * 2;
}
private bool CheckObastacleBetweenBallAndPocket(PoolBall originBall, PocketTrigger pocket)
{
Vector3 dir = pocket.pointerPosition - originBall.transform.position;
RaycastHit[] hit = Physics.SphereCastAll(originBall.transform.position, originBall.GetRadius(),
dir, dir.magnitude, ConstantData.OulineAndBallLayer);
foreach (RaycastHit h in hit)
{
//Debug.Log("Obastacle between " + originBall.name + " and " + pocket.name + " : " + h.transform.name);
if (h.collider.name.CompareTo(originBall.name) != 0)
return true;
}
return false;
}
private List <KeyValuePair <PoolBall, Vector3> > GetShootableBalls()
{
List <KeyValuePair <PoolBall, Vector3> > shootableBalls = new List <KeyValuePair <PoolBall, Vector3> >();
Vector3 cueBallPosition = Pools.CueBall.GetPosition();
for (int i = 0; i < cMsg.ballList.Count; i++)
{
PoolBall ball = cMsg.ballList[i];
Vector3 hitPoint = Vector3.zero;
if (ball.BallState != PoolBall.State.IDLE)
{
continue;
}
//求出dir的2条Y坐标为0的垂直向量, 得到目标球正对于白球的左侧和右侧的击球点,判断白球是否能击中 2个点或者白球中心的点的其中一个
Vector3 dir = ball.transform.position - cueBallPosition;
Vector2[] perpendicularVectors = MathTools.PerpendicularVector2D(new Vector2(dir.x, dir.z));
Vector3[] point3 = new Vector3[]
{
ball.transform.position,
ball.transform.position + new Vector3(perpendicularVectors[0].x, 0, perpendicularVectors[0].y) * ball.GetRadius(),
ball.transform.position + new Vector3(perpendicularVectors[1].x, 0, perpendicularVectors[1].y) * ball.GetRadius()
};
for (int j = 0; j < point3.Length; j++)
{
hitPoint = point3[j];
if (!CheckObastacleBetweenTargetPositionAndCueball(ball, hitPoint, cueBallPosition))
{
shootableBalls.Add(new KeyValuePair <PoolBall, Vector3>(ball, hitPoint));
break;
}
}
}
return(shootableBalls);
}
private Vector3 ConsiderHitPoint(PoolBall ball, PocketTrigger trigger)
{
Vector3 vec = ball.transform.position - trigger.pointerPosition;
return(ball.transform.position + vec.normalized * ball.GetRadius() * 2);
}
private Dictionary <PoolBall, PocketTrigger> FilterTheBestPocketForEachBall(Dictionary <PoolBall, List <PocketTrigger> > considerBalls)
{
Dictionary <PoolBall, PocketTrigger> optimalBalls = new Dictionary <PoolBall, PocketTrigger>();
foreach (var v in considerBalls)
{
PoolBall ball = v.Key;
float bestDistance = float.MaxValue;
PocketTrigger bestPocket = null;
for (int i = 0, count = v.Value.Count; i < count; i++)
{
PocketTrigger pocket = v.Value[i];
if (GetPlacedSpace(ball, ball.transform.position - pocket.pointerPosition) < ball.GetRadius() * 2)
{
continue;
}
float distance = Vector3.Distance(ball.transform.position, pocket.pointerPosition);
if (distance < bestDistance)
{
bestPocket = pocket;
bestDistance = distance;
}
}
optimalBalls.Add(ball, bestPocket);
}
return(optimalBalls);
}
private Vector3 ConsiderHitPointWithDrag(Dictionary <PoolBall, List <PocketTrigger> > considerBalls, out Vector3 cueBallPosition, out PoolBall targetBall, out PocketTrigger targetTrigger)
{
Dictionary <PoolBall, PocketTrigger> optimalBalls = FilterTheBestPocketForEachBall(considerBalls);
cueBallPosition = Vector3.zero;
targetTrigger = null;
targetBall = null;
if (optimalBalls.Count == 0)
{
return(Vector3.zero);
}
else
{
foreach (KeyValuePair <PoolBall, PocketTrigger> kvp in optimalBalls)
{
targetBall = kvp.Key;
targetTrigger = kvp.Value;
if (!targetTrigger)
{
continue;
}
Vector3 dir = targetBall.transform.position - targetTrigger.pointerPosition;
//白球摆成和目标球和袋口一条直线
cueBallPosition = targetBall.transform.position + (dir.normalized * Mathf.Min(GetPlacedSpace(targetBall, targetBall.transform.position - targetTrigger.pointerPosition), 5 * targetBall.GetRadius()));
//这里随机会跳出循环，代表随机取一个球的意思， optimalBalls.count 为了使概率平均
if (Random.Range(1, optimalBalls.Count) == 1)
{
break;
}
}
if (!targetTrigger)
{
return(Vector3.zero);
}
return(ConsiderHitPoint(targetBall, targetTrigger));
}
}