private static (float extraDistance, float percentageAlongRoute) ExtraDistanceIncurred(
GalacticSystem systemA, GalacticSystem systemB, GalacticPOI poi, float originalDistance)
{
var a = systemA.Coordinates;
var b = systemB.Coordinates;
var p = poi.Coordinates;
var aToPOI = System.Numerics.Vector3.Distance(a, p);
if (a == b)
{
return(aToPOI, 0f);
}
// Find the closest point to the POI along the straight line route, expressed as 0 (closest to a) to 1 (closest to b).
float distanceSquared = originalDistance * originalDistance;
float distanceAlongRoute = Math.Max(0f, Math.Min(1f, System.Numerics.Vector3.Dot(p - a, b - a) / distanceSquared));
var bToPOI = System.Numerics.Vector3.Distance(b, p);
var distanceViaPOI = aToPOI + bToPOI;
var extraDistance = distanceViaPOI - originalDistance;
var approxPercentageAlongRoute = distanceAlongRoute * 100f;
return(extraDistance, approxPercentageAlongRoute);
}
public ScenicSuggestion(EDScenicRouteWeb.Server.Models.GalacticPOI poi, float extraDistance, float percentageAlongRoute)
{
POI = poi;
ExtraDistance = extraDistance;
PercentageAlongRoute = percentageAlongRoute;
}
