property pLoc -- the location of the sprite begore the zoom
property pZloc -- where in Z space the sprite came from
property pRect -- the rectangle of the sprite before the zoom
property pZoom -- the zoom state of the sprite image

on beginSprite me
  pZoom = FALSE
  pLoc = sprite(me.spriteNum).loc
  pZloc = sprite(me.spriteNum).locZ
  pRect = sprite(me.spriteNum).rect
end

--
-- Attach this behavior to an image sprite to toggle the size
-- of the image from its original size to full screen size.
-- Ken Loge - http://diginoodles.com
--

-- toggle the size and position of the image when the sprite is clicked
on mouseUp me
  if pZoom = FALSE then
    -- get the center point of the stage
    sprite(me.spriteNum).loc = point(getStageWidth(me) / 2, getStageHeight(me) / 2)
    sprite(me.spriteNum).locZ = 1000 -- make sure the image is in front of all others
    -- get the stage width and height for image size
    sprite(me.spriteNum).rect = rect(0,0,getStageWidth(me),getStageHeight(me))
    pZoom = TRUE
  else
    pZoom = FALSE
    sprite(me.spriteNum).loc = pZoom
    sprite(me.spriteNum).locZ = pZloc
    sprite(me.spriteNum).rect = pRect
  end if
end

-- get the width of the stage
on getStageWidth me
  return _movie.stage.rect[3] - _movie.stage.rect[1]
end

-- get the height of the stage
on getStageHeight me
  return _movie.stage.rect[4] - _movie.stage.rect[2]
end

-- enlarge the sprite slightly
on mouseEnter me
  sprite(me.spriteNum).rect = sprite(me.spriteNum).rect + rect(-4,-4,4,4)
end

-- restore the sprite to its normal size
on mouseLeave me
  sprite(me.spriteNum).rect = pRect
end