protected override int onExecute(TBTWorkingData wData)
{
BattleBehaviorWorkingData behaviorData = wData as BattleBehaviorWorkingData;
float deltaTime = behaviorData.deltaTime;
BattleUnit source = behaviorData.owner;
AIBehaviorRequest request = behaviorData.request;
Unit target = request.target;
Vector2 sourcePos = source.Get2DPosition();
Vector2 targetPos = target.Get2DPosition();
Vector2 sourceForward = source.Get2DForward();
Vector2 targetForward = (targetPos - sourcePos).normalized;
float turnSpeed = source.GetTurnSpeed();
float angle = Vector2.Angle(targetForward, sourceForward);
float radianToTurn = turnSpeed * deltaTime;
//BattleLog.Log("【NOD_TurnTo】angle:{0},{1}", angle, radianToTurn * Mathf.Rad2Deg);
if (angle < radianToTurn * Mathf.Rad2Deg)
{
source.Set2DForward(targetForward);
GameMsg.instance.SendMessage(GameMsgDef.Hero_TurnTo2D, new HeorTurnEventArgs()
{
id = source.id,
forward = targetForward,
});
return(TBTRunningStatus.FINISHED);
}
// 叉积算出方向 unity是左手坐标系，所以反过来了
Vector3 cross = Vector3.Cross(targetForward, sourceForward);
if (cross.z > 0)
{
radianToTurn = -radianToTurn;
}
Vector2 newForward = BattleMath.Vector2RotateFromRadian(sourceForward.x, sourceForward.y, radianToTurn);
//BattleLog.Log("【NOD_TurnTo】自己朝向：{0} 目标朝向：{1} 相隔角度：{2} 旋转弧度：{3} 叉乘：{4} 新的朝向：{5}", sourceForward.ToString(),targetForward.ToString(), angle.ToString(),(radianToTurn * Mathf.Rad2Deg).ToString(), cross.ToString(), newForward.ToString());
source.Set2DForward(newForward);
GameMsg.instance.SendMessage(GameMsgDef.Hero_TurnTo2D, new HeorTurnEventArgs()
{
id = source.id,
forward = newForward,
});
return(TBTRunningStatus.EXECUTING);
}
public override bool IsTrue(TBTWorkingData wData)
{
BattleBehaviorWorkingData behaviorData = wData as BattleBehaviorWorkingData;
BattleUnit owner = behaviorData.owner;
AIBehaviorRequest request = behaviorData.request;
Unit target = request.target;
Vector2 ownerPos = owner.Get2DPosition();
Vector2 targetPos = target.Get2DPosition();
Vector2 toForward = targetPos - ownerPos;
Vector2 ownerForward = owner.Get2DForward();
float angle = Vector2.Angle(toForward, ownerForward);
//BattleLog.Log("【CON_IsAngleNeedTurnTo】angle:{0}", angle);
return(angle > 0.1f);
}