public bool IsBallInGoal(Ball ball)
{
bool ret = false;
if (
ball.Position.X > NWPoint.X &&
ball.Position.X < NEPoint.X &&
ball.Position.Y > NWPoint.Y &&
ball.Position.Y < SWPoint.Y)
{
bool wasInFrontOfGoal = false;
if (this.ID == 1) //left goal
{
wasInFrontOfGoal = (ball.X - ball.TranslateVelocity.X > SEPoint.X);
}
else
{
wasInFrontOfGoal = (ball.X - ball.TranslateVelocity.X < NWPoint.X);
}
if (wasInFrontOfGoal)
{
if (!ball.IsBallInGoal)
{
ball.LastGoalID = ID;
ball.IsBallInGoal = true;
subscriber.BallEnteredGoal(this, ball);
}
ret = true;
}
else
{
ret = false;
}
}
else
{
if (ball.IsBallInGoal && ball.LastGoalID == ID)
{
ball.IsBallInGoal = false;
subscriber.BallLeftGoal(this, ball);
}
}
return(ret);
}
