public void GetIntersections_ValidParameters_GetIntersection(
double x1,
double y1,
double x2,
double y2,
double x3,
double y3,
double x4,
double y4,
IntersectionType expectedIntersectionType,
double?expectedIntersectX,
double?expectedIntersectY)
{
var vector1 = new Vector(new Point(x1, y1), new Point(x2, y2));
var vector2 = new Vector(new Point(x3, y3), new Point(x4, y4));
var sw = Stopwatch.StartNew();
var intersection = Trigonometry.GetIntersection(vector1, vector2);
Console.WriteLine(sw.Elapsed);
Assert.Multiple(() =>
{
Assert.That(intersection.IntersectionType, Is.EqualTo(expectedIntersectionType));
Assert.That(intersection.X, Is.EqualTo(expectedIntersectX));
Assert.That(intersection.Y, Is.EqualTo(expectedIntersectY));
});
}
public bool LanderCrashedThroughGround(Lander lander)
{
var previousSituation = lander.Situations
.LastOrDefault(situation => Math.Abs(situation.X - lander.Situation.X) > 0.001 &&
Math.Abs(situation.Y - lander.Situation.Y) > 0.001);
if (previousSituation == null)
{
return(false);
}
var enteredZones = _surfaceZones
.Where(zone => zone.LeftX <= previousSituation.X && zone.RightX > previousSituation.X ||
zone.LeftX <= lander.Situation.X && zone.RightX > lander.Situation.X)
.ToList();
foreach (var enteredZone in enteredZones)
{
if (enteredZone.LeftY < lander.Situation.Y && enteredZone.LeftY < previousSituation.Y &&
enteredZone.RightY < lander.Situation.Y && enteredZone.RightY < previousSituation.Y)
{
continue;
}
var landerVector = new Vector(
new Point(previousSituation.X, previousSituation.Y),
new Point(lander.Situation.X, lander.Situation.Y));
var zoneVector = new Vector(
enteredZone.LeftX,
enteredZone.LeftY,
enteredZone.RightX,
enteredZone.RightY);
if (Trigonometry.GetIntersection(landerVector, zoneVector).IntersectionType != IntersectionType.None)
{
return(true);
}
}
return(false);
}