Added GetPointsInRadius function

Runtime/Utilities.cs

@@ -78,6 +78,14 @@ namespace KairoEngine.Utility
             } 
         }
 
+        public static Collider GetMouseWorldPositionCollider(int mouseColliderLayerMask)
+        {
+            if(Camera.main == null) return null;
+            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+            if(Physics.Raycast(ray, out RaycastHit raycastHit, 999f, mouseColliderLayerMask)) return raycastHit.collider;
+            else return null;
+        }
+
         // Create a Text Popup in the World, no parent
         public static void CreateWorldTextPopup(string text, Vector3 localPosition) {
             CreateWorldTextPopup(null, text, localPosition, 40, Color.white, localPosition + new Vector3(0, 20), 1f, true);
@@ -115,6 +123,30 @@ namespace KairoEngine.Utility
         public static Vector3 ApplyRotationToVector(Vector3 vec, float angle) {
             return Quaternion.Euler(0,0,angle) * vec;
         }
+
+        public static List<Vector2Int> GetPointsInRadius(int radius, bool includeOrigin = true)
+        {
+            List<Vector2Int> points = new List<Vector2Int>();
+            if(includeOrigin) points.Add(new Vector2Int(0, 0));
+            for (int i = 1; i < radius; i++)
+            {
+                for (int j = 1; j < radius; j++)
+                {
+                    if (i * i + j * j < (radius * radius))
+                    {
+                        points.Add(new Vector2Int(i,j));
+                        points.Add(new Vector2Int(-i,j));
+                        points.Add(new Vector2Int(i,-j));
+                        points.Add(new Vector2Int(-i,-j));
+                        points.Add(new Vector2Int(i, 0));
+                        points.Add(new Vector2Int(-i, 0));
+                        points.Add(new Vector2Int(0, j));
+                        points.Add(new Vector2Int(0, -j));
+                    }
+                }
+            }
+            return points;
+        }
     }
 }