Volume Slider

 

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Volume Slider

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--Created by Michael Nadel -- DESCRIPTION -- on getBehaviorDescription me   return "¬ VOLUME BEHAVIOR" &RETURN&RETURN&"¬ Allows you to make your own custom Volume Bar with just 2 sprites."&RETURN&RETURN&"¬ This behavior will also set the position of the adjustable bar to it's appropriate position¬ automatically at initialization."&RETURN&RETURN&"¬ When this behavior is dropped onto a sprite you will be asked to define 3 main variables:"&RETURN&"¬ 1) The sprite that you want to use as the Axis (or the constraint) for the movable bar. "&RETURN&"¬ 2) The sprite that you want to use as the movable bar."&RETURN&"¬ 3) The Direction of the Axis bar (i.e.the direction the user drags the volume bar)."&RETURN&RETURN&"¬ You will also be asked to define 4 additional features. "&RETURN&"¬ Note: these features are not selected by default because they are only optional."&RETURN&"¬ 1) If you would, or would not, like to put the soundlevel into a field (for the user to view on the stage)."&RETURN&"¬ 2) If  Put SoundLevel into Field is checked then you are asked to define the name of the field that you would like to put the soundlevel into."&RETURN&"¬ 3) If you would, or would not, like the volume bar to make a sound on MouseUp (a useful indication of the volume change)."&RETURN&"¬ 4) If  Make a Sound on MouseUp is selected then you are asked to define the name of the sound member."&RETURN&RETURN&"¬ Tips:"&RETURN&RETURN&"¬ 1) This behavior should be attached to both the axis, the scroll bar and whatever other graphic is associated with the volume control.¬ This way, if the user clicks on either one, the volume will be automatically adjusted."&RETURN&"¬ 2) You can make any interface you want for the volume control, just make an invisible draw sprite to be your constraint."&RETURN&"¬ 3) In case you use a visible constraint sprite, you should make sure that you use a bitmap as the scroll bar and not a quickDraw sprite¬ because a quickDraw sprite's registration point is in the top left corner."&RETURN&RETURN&"¬ This Behavior was created by Michael Nadel on 9/3/99 and is free for distribution."&RETURN&"¬ Write to mims@barak-online.net for comments." end getBehaviorDescription Property pConstraint, pBar, pDirection Property pText, pTextName, pSound, pSoundName on getPropertyDescriptionList me   set pdlist to [:]   addprop pdlist,  #pConstraint, [#comment:"Constraint Sprite", #format:#integer, #default:3]   addprop pdlist, #pBar, [#comment:"Bar Sprite", #format:#integer, #default:4]   addprop pdlist, #pDirection, [#comment:"Direction", #format:#symbol, #default:#Verticle, #range:[#Verticle,#Horizontal]]   addprop pdlist,  #pText, [#comment:"Put the SoundLevel into Feild" & RETURN, #format:#boolean, #default:0]   addprop pdlist,  #pTextName, [#comment:"Feild Member Name", #format:#symbol, #default:#Volume]   addprop pdlist,  #pSound, [#comment:"Make a Sound on MouseUp" & RETURN, #format:#boolean, #default:0]   addprop pdlist,  #pSoundName, [#comment:"Sound Member Name", #format:#symbol, #default:#ding]   return pdlist end getPropertyDescriptionList on beginSprite me     set the constraint of sprite pBar to pConstraint     --  SETS THE BAR TO IT'S APPROPRIATE POSITION IN ACCORDANCE WITH THE SOUNDLEVEL     case pDirection of     #Verticle: set the locv of sprite pBar=((the bottom of sprite pConstraint)-((the soundlevel-1)*(the height of sprite pConstraint)/7))     #Horizontal:set the loch of sprite pBar=((the left of sprite pConstraint)+((the soundlevel-1)*(the width of sprite pConstraint)/7))   end case     if pText=1 then     put the soundlevel into member string(pTextName)   end if   end on mouseDown     repeat while the stilldown         case pDirection of               #Verticle:           set the locv of sprite pBar to the mousev         set the soundLevel=(((the bottom of sprite pConstraint)-(the locv of sprite pBar))/((the height of sprite pConstraint)/7))+1               #Horizontal:         set the loch of sprite pBar to the mouseh         set the soundLevel=(((the loch of sprite pBar)-(the left of sprite pConstraint))/((the width of sprite pConstraint)/7))+1             end case         if pText=1 then       put the soundlevel into member string(pTextName)     end if         updatestage   end repeat     if pSound=1 then     puppetsound member string(pSoundName)   end if   end