Implementation of pull request SebLague#142 from Megadiablo.

Fix detect count of points, anchor points and segments SebLague#142

Author: JerryVerhoeven

Assets/PathCreator/Core/Runtime/Objects/BezierPath.cs

@@ -155,34 +155,29 @@ public void SetPoint(int i, Vector3 localPosition, bool suppressPathModifiedEven
 			}
 		}
 
-		/// Total number of points in the path (anchors and controls)
-		public int NumPoints
-		{
-			get
-			{
-				return points.Count;
-			}
-		}
-
-		/// Number of anchor points making up the path
-		public int NumAnchorPoints
-		{
-			get
-			{
-				return (IsClosed) ? points.Count / 3 : (points.Count + 2) / 3;
-			}
-		}
-
-		/// Number of bezier curves making up this path
-		public int NumSegments
-		{
-			get
-			{
-				return points.Count / 3;
-			}
-		}
-
-		/// Path can exist in 3D (xyz), 2D (xy), or Top-Down (xz) space
+        /// Total number of points in the path (anchors and controls)
+        public int NumPoints
+        {
+            get { return points?.Count ?? 0; }
+        }
+
+        /// Number of anchor points making up the path
+        public int NumAnchorPoints
+        {
+            get
+            {
+                int count = NumPoints;
+                return (IsClosed) ? count / 3 : (count + 2) / 3;
+            }
+        }
+
+        /// Number of bezier curves making up this path
+        public int NumSegments
+        {
+            get { return NumPoints / 3; }
+        }
+
+        /// Path can exist in 3D (xyz), 2D (xy), or Top-Down (xz) space
 		/// In xy or xz space, points will be clamped to that plane (so in a 2D path, for example, points will always be at 0 on z axis)
 		public PathSpace Space
 		{