/// <summary>
/// Writes the given <see cref="Polygon2l"/> to an <see cref="Ibasa.IO.BinaryWriter">.
/// </summary>
public static void Write(this Ibasa.IO.BinaryWriter writer, Polygon2l polygon)
{
var array = polygon.ToArray();
writer.Write(array.Length);
foreach (var point in array)
{
writer.Write(point);
}
}
/// <summary>
/// Projects a polygon onto an axis.
/// </summary>
/// <param name="polygon">The polygon to project.</param>
/// <param name="axis">The axis to project onto.</param>
/// <returns>The interval on the axis that the polygon projects onto.</returns>
public static Linel Project(Polygon2l polygon, Vector2l axis)
{
var min = long.MaxValue;
var max = long.MinValue;
for (int i = 0; i < polygon.Count; ++i)
{
var proj = Vector.Dot((Vector2l)polygon[i], axis);
min = Functions.Min(min, proj);
max = Functions.Max(max, proj);
}
return(new Linel(min, max));
}
/// <summary>
/// Returns a value that indicates whether two polygons are equal.
/// </summary>
/// <param name="left">The first polygon to compare.</param>
/// <param name="right">The second polygon to compare.</param>
/// <returns>true if the left and right are equal; otherwise, false.</returns>
public static bool Equals(Polygon2l left, Polygon2l right)
{
return(left == right);
}
