public override void enter(FBActor actor)
{
actor.m_stateSubState = (int)SubState.kBeforePassing;
actor.m_timer = actor.m_configuration.pb_beforePassingTime[actor.m_stateDataIndex];
var cos = FixVector2.dot(actor.m_direction, actor.m_stateVector);
Fix64 ralativeDirection = Fix64.Zero;
if (cos < Fix64.One)
{
var sin = Fix64.Sqrt(Fix64.One - cos * cos);
ralativeDirection = FixVector2.cross(actor.m_direction, actor.m_stateVector);
if (ralativeDirection >= Fix64.Zero)
{
sin = -sin;
}
actor.m_stateValue = Fix64.Atan2(sin, cos);
}
else
{
actor.m_stateValue = Fix64.Zero;
}
int passBallFoot = actor.getKickBallFoot(actor.m_stateVector, actor.m_direction);
actor.world.onPassBallBegin(actor, actor.m_stateDataIndex == 0, passBallFoot == 1);
}