From c4780d2befd15dbd66ac54de4a18f29fbc7acd93 Mon Sep 17 00:00:00 2001
From: athrxx
Date: Mon, 6 Jan 2020 23:17:19 +0100
Subject: GRAPHICS: Fix screen shake x/y offsets scaling

The x and y offsets need to be scaled the same way as the rest of the screen output.
---
 backends/graphics/windowed.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/backends/graphics/windowed.h b/backends/graphics/windowed.h
index 40fbe8baf7..bea4522d5a 100644
--- a/backends/graphics/windowed.h
+++ b/backends/graphics/windowed.h
@@ -405,9 +405,9 @@ private:
 					width = fracToInt(height * displayAspect);
 			}
 		}
-
-		drawRect.left = ((_windowWidth - width) / 2) + _gameScreenShakeXOffset;
-		drawRect.top = ((_windowHeight - height) / 2) + _gameScreenShakeYOffset;
+		
+		drawRect.left = ((_windowWidth - width) / 2) + _gameScreenShakeXOffset * _windowWidth / getWidth();
+		drawRect.top = ((_windowHeight - height) / 2) + _gameScreenShakeYOffset * _windowHeight / getHeight();
 		drawRect.setWidth(width);
 		drawRect.setHeight(height);
 	}
-- 
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