diff --git a/X10D.Unity/src/Drawing/PolygonExtensions.cs b/X10D.Unity/src/Drawing/PolygonExtensions.cs
index 8a72df8..b1b962f 100644
--- a/X10D.Unity/src/Drawing/PolygonExtensions.cs
+++ b/X10D.Unity/src/Drawing/PolygonExtensions.cs
@@ -14,8 +14,14 @@ public static class PolygonExtensions
///
/// The polygon whose points to update.
/// The point to add.
+ /// is .
public static void AddVertex(this Polygon polygon, Vector2Int point)
{
+ if (polygon is null)
+ {
+ throw new ArgumentNullException(nameof(polygon));
+ }
+
polygon.AddVertex(point.ToSystemPoint());
}
@@ -24,8 +30,23 @@ public static class PolygonExtensions
///
/// The polygon whose vertices to update.
/// The vertices to add.
+ ///
+ /// is .
+ /// -or-
+ /// is .
+ ///
public static void AddVertices(this Polygon polygon, IEnumerable vertices)
{
+ if (polygon is null)
+ {
+ throw new ArgumentNullException(nameof(polygon));
+ }
+
+ if (vertices is null)
+ {
+ throw new ArgumentNullException(nameof(vertices));
+ }
+
foreach (Vector2Int vertex in vertices)
{
polygon.AddVertex(vertex);
diff --git a/X10D.Unity/src/Drawing/PolygonFExtensions.cs b/X10D.Unity/src/Drawing/PolygonFExtensions.cs
index 0042904..1b91d0c 100644
--- a/X10D.Unity/src/Drawing/PolygonFExtensions.cs
+++ b/X10D.Unity/src/Drawing/PolygonFExtensions.cs
@@ -14,8 +14,14 @@ public static class PolygonFExtensions
///
/// The polygon whose vertices to update.
/// The vertex to add.
+ /// is .
public static void AddVertex(this PolygonF polygon, Vector2Int vertex)
{
+ if (polygon is null)
+ {
+ throw new ArgumentNullException(nameof(polygon));
+ }
+
polygon.AddVertex(vertex.ToSystemPoint());
}
@@ -24,8 +30,14 @@ public static class PolygonFExtensions
///
/// The polygon whose vertices to update.
/// The vertex to add.
+ /// is .
public static void AddVertex(this PolygonF polygon, Vector2 vertex)
{
+ if (polygon is null)
+ {
+ throw new ArgumentNullException(nameof(polygon));
+ }
+
polygon.AddVertex(vertex.ToSystemPointF());
}
@@ -34,8 +46,23 @@ public static class PolygonFExtensions
///
/// The polygon whose vertices to update.
/// The vertices to add.
+ ///
+ /// is .
+ /// -or-
+ /// is .
+ ///
public static void AddVertices(this PolygonF polygon, IEnumerable vertices)
{
+ if (polygon is null)
+ {
+ throw new ArgumentNullException(nameof(polygon));
+ }
+
+ if (vertices is null)
+ {
+ throw new ArgumentNullException(nameof(vertices));
+ }
+
foreach (Vector2Int vertex in vertices)
{
polygon.AddVertex(vertex);
@@ -47,8 +74,23 @@ public static class PolygonFExtensions
///
/// The polygon whose vertices to update.
/// The vertices to add.
+ ///
+ /// is .
+ /// -or-
+ /// is .
+ ///
public static void AddVertices(this PolygonF polygon, IEnumerable vertices)
{
+ if (polygon is null)
+ {
+ throw new ArgumentNullException(nameof(polygon));
+ }
+
+ if (vertices is null)
+ {
+ throw new ArgumentNullException(nameof(vertices));
+ }
+
foreach (Vector2 vertex in vertices)
{
polygon.AddVertex(vertex);