private double GetAngle()
{
if (_angle != null)
{
return((double)_angle);
}
_angle = Trigonometry.GetAngle(Point1, Point2);
return((double)_angle);
}
/// <summary>Getting distance from the surface directly under the lander, but we don't need to find the surface
/// elements under the lander.</summary>
public static int GetDistanceFromSurface(Lander lander, SurfaceZone leftZone, SurfaceZone rightZone)
{
if (rightZone == null || leftZone == null)
{
return(int.MaxValue);
}
var zoneAngle = Trigonometry
.GetAngle(new Point(leftZone.LeftX, leftZone.LeftY), new Point(rightZone.LeftX, rightZone.LeftY));
var landerXInZone = lander.Situation.X - leftZone.LeftX;
var surfaceYPosition = leftZone.LeftY +
Math.Round(Trigonometry.GetNewYPosition(zoneAngle, landerXInZone));
return((int)Math.Round(lander.Situation.Y - surfaceYPosition));
}
public void GetAngle_ValidParameters_ReturnsAngle(int x1, int y1, int x2, int y2, double expectedAngle)
{
var point1 = new Point
{
X = x1,
Y = y1
};
var point2 = new Point
{
X = x2,
Y = y2
};
Assert.That(Trigonometry.GetAngle(point1, point2), Is.EqualTo(expectedAngle));
}
public SurfaceZone(int leftX, int leftY, int rightX, int rightY)
{
LeftX = leftX;
LeftY = leftY;
RightX = rightX;
RightY = rightY;
Angle = Trigonometry.GetAngle(new Point(LeftX, LeftY), new Point(RightX, RightY));
SurfaceElements = new List <SurfaceElement>();
for (var x = leftX; x < rightX; x++)
{
SurfaceElements.Add(new SurfaceElement {
X = x, Y = LeftY + Trigonometry.GetNewYPosition(Angle, x - leftX)
});
}
}
public static Zone Guess(Drone drone)
{
// We need to check the angle the drone has been traveling on, and see if it's on the trajectory to a particular zone.
var lastLocation = drone.LocationHistory.LastOrDefault();
if (lastLocation == null)
{
return(null);
}
var travelAngle = Trigonometry.GetAngle(new Point(lastLocation.X, lastLocation.Y),
new Point(drone.Location.X, drone.Location.Y));
return(GameOfDronesManager.Zones
.OrderBy(zone =>
// The amount the trajectory of the drone is off from getting to the zone.
Math.Abs(travelAngle - Trigonometry.GetAngle(new Point(drone.Location.X, drone.Location.Y),
new Point(zone.Center.X, zone.Center.Y))))
.First());
}