* amplify shader editor

1 files changed, 40 insertions, 0 deletions

diff --git a/Assets/AmplifyShaderEditor/Plugins/Editor/Utils/RectExtension.cs b/Assets/AmplifyShaderEditor/Plugins/Editor/Utils/RectExtension.cs
new file mode 100644
index 00000000..f803ac20
--- /dev/null
+++ b/Assets/AmplifyShaderEditor/Plugins/Editor/Utils/RectExtension.cs
@@ -0,0 +1,40 @@
+using UnityEngine;
+
+namespace AmplifyShaderEditor
+{
+	public static class RectExtension
+	{
+		private static Rect ValidateBoundaries( this Rect thisRect )
+		{
+			if ( thisRect.yMin > thisRect.yMax )
+			{
+				float yMin = thisRect.yMin;
+				thisRect.yMin = thisRect.yMax;
+				thisRect.yMax = yMin;
+			}
+
+			if ( thisRect.xMin > thisRect.xMax )
+			{
+				float xMin = thisRect.xMin;
+				thisRect.xMin = thisRect.xMax;
+				thisRect.xMax = xMin;
+			}
+			return thisRect;
+		}
+
+		public static bool Includes( this Rect thisRect , Rect other )
+		{
+			thisRect = thisRect.ValidateBoundaries();
+			other = other.ValidateBoundaries();
+
+			if ( other.xMin >= thisRect.xMin && other.xMax <= thisRect.xMax )
+			{
+				if ( other.yMin >= thisRect.yMin && other.yMax <= thisRect.yMax )
+				{
+					return true;
+				}
+			}
+			return false;
+		}
+	}
+}