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Viewing changes to zoetrope/ui/cursor.lua

  • Committer: Josh C
  • Date: 2013-04-27 16:36:06 UTC
  • Revision ID: josh@9ix.org-20130427163606-0eef0f5v9wbzoi0j
zoetrope 1.4

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zoetrope/ui/cursor.lua
 
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-- Class: Cursor
 
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-- A cursor is a group that follows the user's cursor.
 
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Cursor = Group:extend{
 
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        -- Property: hotspot
 
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        -- A table with x and y offsets for the cursor. e.g. if
 
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        -- you want the user to click with a center of a crosshairs
 
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        -- image, set this to half the width and half the height of
 
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        -- the image.
 
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        hotspot = { x = 0, y = 0 },
 
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        new = function (self, obj)
 
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                obj = self:extend(obj)
 
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                the.cursor = obj
 
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                if obj.onNew then obj:onNew() end
 
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                return obj
 
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        end,
 
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        update = function (self, elapsed)
 
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                -- follow the mouse
 
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                self.translate.x = the.mouse.x - self.hotspot.x
 
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                self.translate.y = the.mouse.y - self.hotspot.y
 
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                Group.update(self, elapsed)
 
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        end
 
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}