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Viewing changes to cursor.lua

  • Committer: Josh C
  • Date: 2013-05-04 20:45:30 UTC
  • Revision ID: josh@9ix.org-20130504204530-aphxyyyo2c8rir4r
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cursor.lua
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Cursor = Tile:extend {
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   image = 'data/cursor.png',
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   inTargetArea = function(self)
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                     -- TODO: memoize this per-tick
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                     local mouseAngle = math.atan2(self.vector.y, self.vector.x)
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                     local mouseVsShipAbs = math.abs(the.player.rotation - mouseAngle)
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                     local mouseVsShip = math.min(2*math.pi - mouseVsShipAbs,
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                                                  mouseVsShipAbs)
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                     return mouseVsShip < 0.75
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                  end,
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   onStartFrame = function(self)
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                     self.vector = vector.new(
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                        love.mouse.getX() - the.app.width/2,
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                        love.mouse.getY() - the.app.height/2
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                     )
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                  end,
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   onUpdate = function(self)
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                 if self.vector:len2() > 64^2 then
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                    self.image = 'data/cursor-target.png'
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                 else
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                    self.image = 'data/cursor.png'
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                 end
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                 -- if self:inTargetArea() then
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                 --    self.image = 'data/cursor-target.png'
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                 -- else
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                 --    self.image = 'data/cursor.png'
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                 -- end
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              end,
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   onEndFrame = function(self)
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                   self.x = love.mouse.getX() + 8 + the.player.x - the.app.width / 2
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                   self.y = love.mouse.getY() + 8 + the.player.y - the.app.height / 2
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                end
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}
 
 
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