property pToggle -- BOOLEAN: Use to toggle the graphic image used for the sprite.
property pBitmapMember1 -- STRING: The first cast member to use for the sprite image.
property pBitmapMember2 -- STRING: The second cast member to use for the sprite image.

-------------------------------------------------------------
-- This behavior toggles a sprite between two bitmap images
-- when the mouse is clicked.
--
-- Ken Loge - http://diginoodles.com
-------------------------------------------------------------

on beginSprite me
  pToggle = FALSE
  -- get the name of the cast member used for this sprite
  pBitmapMember1 = sprite(me.spriteNum).member.name
end

on getPropertyDescriptionList me
  list = [:]
  addProp list, #pBitmapMember2, [#comment: "Cast member to switch to on mouseUp:", #format: #bitmap, #default: ""]
  return list
end

-- toggle which image the sprite uses
on mouseUp me
  if pToggle = FALSE then
    sprite(me.spriteNum).member = pBitmapMember2
    pToggle = TRUE
  else
    sprite(me.spriteNum).member = pBitmapMember1
    pToggle = FALSE 
  end if
end