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Question by Sykton · Aug 05, 2014 at 02:48 PM · 2drectcontains

Just fixed weird mouse over detection problem but not really sure how

This code disables the mouse from rotating something when mouseOverMainMenu is true. Before I fixed it, the mouse was only being disabled over box1 and not when trying to rotate while hovering over infoBarBox.

I changed it from this...

 if(box1open)
     {
         Rect box1 = new Rect(box1X, box1Y, box1Width, Screen.height);    
             Rect infoBarBox = new Rect(infoBarX, infoBarY, infoBarWidth, infoBarHeight);
         mouseOverMainMenu = (infoBarBox.Contains(Input.mousePosition) || box1.Contains(Input.mousePosition)) ? true : false;
     }
     else
     {
         Rect infoBarBox = new Rect(box1X, box1Y, infoBarWidth, infoBarHeight + box1BarHeight);
         mouseOverMainMenu = infoBarBox.Contains(Input.mousePosition) ? true : false;
     }

To this...

 if(box1open)
     {
         Rect box1 = new Rect(box1X, box1Y, box1Width, Screen.height);    
             Rect infoBarBox = new Rect(infoBarX, 0, infoBarWidth, infoBarHeight);
         mouseOverMainMenu = (infoBarBox.Contains(Input.mousePosition) || box1.Contains(Input.mousePosition)) ? true : false;
     }
     else
     {
         Rect infoBarBox = new Rect(box1X, 0, infoBarWidth, infoBarHeight + box1BarHeight);
         mouseOverMainMenu = infoBarBox.Contains(Input.mousePosition) ? true : false;
     }


And it was fixed. But I don't have any real idea as to why changing those two Y-values to 0 fixed it. Anyone know?

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Answer by SolutionStudios · Aug 05, 2014 at 07:37 PM

Rect.Contains uses a vector2 where 0,0 is the bottom left of the screen. GUI has 0,0 as top left of the screen. Changing the y value to 0 didn't completley solve the problem as the GUI element will only work on one part of the screen. You need to invert the y axis using:

 ((Screen.height-box1Y)-infoBarHeight)

(line 4, change 0 to this)

This should work at any position on the screen

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