/// <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 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 void GetYPosition_ValidParameters_ReturnsValidYPosition(double angle, double xLength, double yResult, int decimals = 3)
{
Assert.That(Trigonometry.GetNewYPosition(angle, xLength, decimals), Is.EqualTo(yResult));
}