[TASK] Initial commit with basic product setup

Assets/Mapbox SDK/Mapbox/Unity/Utilities/PolygonUtils.cs

@@ -0,0 +1,70 @@
+namespace Mapbox.Utils
+{
+
+
+	using System.Collections.Generic;
+	using Mapbox.VectorTile.Geometry;
+
+
+	public static class PolygonUtils
+	{
+		/// <summary>
+		/// <para>Method to check if a point is contained inside a polygon, ignores vertical axis (y axis)</para>
+		/// <para>from https://stackoverflow.com/a/7123291</para>
+		/// </summary>
+		/// <returns><c>true</c>, if point lies inside the constructed polygon, <c>false</c> otherwise.</returns>
+		/// <param name="polygon">Polygon points.</param>
+		/// <param name="p">The point that is to be tested.</param>
+		public static bool PointInPolygon(Point2d<float> p, List<List<Point2d<float>>> polygon)
+		{
+			List<Point2d<float>> poly = polygon[0];
+
+			Point2d<float> p1;
+			Point2d<float> p2;
+			bool inside = false;
+
+			if (poly.Count < 3)
+			{
+				return inside;
+			}
+
+			var oldPoint = new Point2d<float>(
+				poly[poly.Count - 1].X
+				, poly[poly.Count - 1].Y
+			);
+
+			for (int i = 0; i < poly.Count; i++)
+			{
+				var newPoint = new Point2d<float>(poly[i].X, poly[i].Y);
+
+				if (newPoint.X > oldPoint.X)
+				{
+					p1 = oldPoint;
+					p2 = newPoint;
+				}
+				else
+				{
+					p1 = newPoint;
+					p2 = oldPoint;
+				}
+
+				if (
+					(newPoint.X < p.X) == (p.X <= oldPoint.X)
+					&& (p.Y - (long)p1.Y) * (p2.X - p1.X) < (p2.Y - (long)p1.Y) * (p.X - p1.X)
+				)
+				{
+					inside = !inside;
+				}
+
+				oldPoint = newPoint;
+			}
+
+			return inside;
+		}
+
+
+
+	}
+
+}
+