Constrain Mouse to Stage Area

 

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This behavior uses the Free Set Mouse Xtra to confine the mouse to the stage area.

global mouseposLR, mouseposTB, Con1, Con2, Con3, Con4 on exitframe     --sets the variables wich are mouse location = the size of the stage   set mouseposlr = the mouseH + the stageleft   set mouseposTB = the mouseV + the stagetop   --tests wether or not the mouse is leaving the stage   if mouseposLR > the stageRight - 2 then set Con1 = true   else set Con1 = false   if mouseposTB < the stageTop + 2 then set Con2 = true   else set Con2 = false   if mouseposLR < the StageLeft + 2 then set Con3 = true   else set Con3 = false   if mouseposTB > the stageBottom - 2 then set Con4 = true   else set Con4 = false   --sets the mouse to snapback to the givin parameters   case True of     Con1:       x = the stageRight - 2       y = the mouseV + the stagetop         setmouse x,y       Con2:       x = the mouseH + the stageleft       y = the stageTop + 2         setmouse x,y       Con3:       x = the stageLeft + 2       y = the mouseV + the stageTop         setmouse x,y       Con4:       x = the mouseH + the stageLeft       y = the stageBottom - 2        setmouse x,y   end case   go to the frame end on getBehaviorDescription me   return "This behavior uses the Free Set Mouse Xtra to confine the mouse to the stage area." end