/// <summary>
/// Gets the <see cref="PointF"/> with central offset of a <see cref="nestPoint"/>, identified by <c>nestID</c>.
/// </summary>
/// <value>
/// The <see cref="PointF"/>, describing X,Y offset from central point of the <see cref="circularDisplacer"/> instance and <see cref="nestPoint"/> identified by <c>nestID</c>.
/// </value>
/// <param name="nestID">The nest identifier (from 0 to nest count-1). If negative value, it is interpreted as selecting the nest from end of the list, not from the begining.</param>
/// <returns>Point with X and Y axis central point offset.</returns>
/// <exception cref="ArgumentOutOfRangeException">nestID - There are no nestpoints defined in this instance! Seems you are using wrong constructor/instancing approach.</exception>
public PointF this[Int32 nestID]
{
get
{
if (!points.Any())
{
throw new ArgumentOutOfRangeException(nameof(nestID), "There are no nestpoints defined in this instance! Seems you are using wrong constructor/instancing approach.");
}
if (nestID < 0)
{
nestID = nestID % points.Count;
nestID = points.Count + nestID;
}
if (nestID >= points.Count)
{
throw new ArgumentOutOfRangeException(nameof(nestID), "There are [" + points.Count + "] in the turret, can't select specified [" + nestID + "]. The max. is [" + (points.Count - 1) + "] no nestpoints defined in this instance! Seems you are using wrong constructor/instancing approach.");
}
nestPoint np = points[nestID];
Double d = np.angularPosition.Degrees;
var _x = Math.Cos(d) * np.distanceFromCenter;
var _y = Math.Sin(d) * np.distanceFromCenter;
PointF output = new PointF((float)_x, (float)_y);
return(output);
}
}
/// <summary>
/// Creates instance with <c>nestCount</c> of <see cref="nestPoint"/>s, placed in full circle, having even angular distances. The first <see cref="nestPoint"/> has <see cref="nestPoint.angularPosition"/> of the <c>zeroOffset</c>. The <see cref="nestPoint"/>s are placed at <c>distance</c> from central point of the wheel
/// </summary>
/// <param name="nestCount">Number of <see cref="nestPoint"/>s to create</param>
/// <param name="zeroOffset">Angular starting point for the first nest point</param>
/// <param name="distance">Distance from central point - to be set for all <see cref="nestPoint"/>s.</param>
public circularDisplacer(Int32 nestCount = 6, Double zeroOffset = 30, Double distance = 35.5)
{
Double step = 360 / nestCount;
for (int i = 0; i < nestCount; i++)
{
Double a = (step * i) + zeroOffset;
var n = new nestPoint(a, distance);
points.Add(n);
}
}