public bool CollidesWith(CarOverlapData timeWindow)
{
if (xposition == timeWindow.xposition)
{
return(false);
}
return(IsSameAs(timeWindow) ?
true : OverlapsWith(timeWindow));
}
private bool WillAny3CarsBlockPlayer(List <ACarType> carsWhichCanMoveNow)
{
// box in which 3 cars shouldn't be present simultaneously
var miny = player.position.y - bufferInYaxis.value;
var maxy = player.position.y + bufferInYaxis.value;
// in this dictionary, for any key, value shouldn't be 3 or more
Dictionary <string, int> KcarName_VnumberOfOverlaps = new Dictionary <string, int>();
List <CarOverlapData> timeWindows = new List <CarOverlapData>();
foreach (var car in carsWhichCanMoveNow.Union(carsWhichCanMove.Values))
{
// 1. in game cars are moving downwards
// 2. miny is calculated by subtracting from player's position.
// this means that miny is actually the maximum distance for car.
// and vice-versa
var minDistanceTheCarNeedsToTravel = Math.Abs(maxy - car.transform.position.y);
var maxDistanceTheCarNeedsToTravel = Math.Abs(miny - car.transform.position.y);
// this is the time window for which car would be in the box
// 3 of these windows shouldn't overlap.
var minTime = minDistanceTheCarNeedsToTravel / car.Speed;
var maxTime = maxDistanceTheCarNeedsToTravel / car.Speed;
var newTimeWindow = new CarOverlapData
{
id = car.Name,
xposition = car.transform.position.x,
max = maxTime,
min = minTime
};
foreach (var timeWindow in timeWindows)
{
if (!newTimeWindow.CollidesWith(timeWindow))
{
continue;
}
if (!KcarName_VnumberOfOverlaps.ContainsKey(timeWindow.id))
{
KcarName_VnumberOfOverlaps.Add(timeWindow.id, 0);
}
KcarName_VnumberOfOverlaps[timeWindow.id]++;
if (KcarName_VnumberOfOverlaps[timeWindow.id] >= 3)
{
return(true);
}
}
timeWindows.Add(newTimeWindow);
}
return(false);
}
public bool OverlapsWith(CarOverlapData timeWindow)
{
if (max > timeWindow.min && max <= timeWindow.max)
{
return(true);
}
if (min >= timeWindow.min && min < timeWindow.max)
{
return(true);
}
return(false);
}
public bool IsSameAs(CarOverlapData timeWindow)
{
return(min == timeWindow.min && max == timeWindow.max);
}
