From cd7f395a077842eccb54c5f555373a3eb7cac6ef Mon Sep 17 00:00:00 2001
From: mob-sakai <sakai861104@gmail.com>
Date: Sat, 16 Mar 2019 17:08:33 +0900
Subject: [PATCH] fix #43; Pixels out of range may be read by raycaster

---
 .../Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
index 644fec7..50e970f 100644
--- a/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
+++ b/Assets/Coffee/UIExtensions/SoftMaskForUGUI/Scripts/SoftMask.cs
@@ -239,8 +239,8 @@ namespace Coffee.UIExtensions
 				return true;
 			}
 
-			int x = (int)(softMaskBuffer.width * sp.x / Screen.width);
-			int y = (int)(softMaskBuffer.height * sp.y / Screen.height);
+			int x = (int)((softMaskBuffer.width - 1) * Mathf.Clamp01(sp.x / Screen.width));
+			int y = (int)((softMaskBuffer.height - 1) * Mathf.Clamp01(sp.y / Screen.height));
 			return 0.5f < GetPixelValue(x, y, interactions);
 		}