/traderous

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Viewing changes to planet.lua

  • Committer: Josh C
  • Date: 2013-06-16 03:33:21 UTC
  • Revision ID: josh@9ix.org-20130616033321-6g7mgyxz3iyvt3un
move mouse to center when entering/exiting trade screen

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Lines of Context:
planet.lua
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                                            the.player.y - (self.y + hw))
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                    if pvec:len2() < hw ^ 2 then
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                       the.player.velocity = {x=0, y=0}
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                       the.player.acceleration = {x=0, y=0}
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                       tradeView = TradeView:new{ planet = self }
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                       tradeView:activate()
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                    end
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                 end
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              end,
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   onEndFrame = function (self)
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                   local indx, indy
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                   local pvec = vector.new(
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                      self.x - the.player.x + self.width / 2,
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                      self.y - the.player.y + self.height / 2 )
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                   -- TODO: is there a better way to specify the
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                   -- screen rectangle?
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                   if self:intersects(the.player.x - the.app.width / 2,
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                                      the.player.y - the.app.height / 2,
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                                      the.app.width,
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                                      the.app.height) then
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                      -- planet is on the screen
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                      self.indicator.visible = false
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                   else
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                      self.indicator.visible = true
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                      if math.abs(pvec.x) / math.abs(pvec.y) > the.app.width / the.app.height then
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                         indx = (the.app.width / 2 - 10) * util.signOf(pvec.x) + 8
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                         indy = (the.app.width / 2 - 10) * pvec.y / math.abs(pvec.x)
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                      else
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                         indy = (the.app.height / 2 - 10) * util.signOf(pvec.y) + 8
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                         indx = (the.app.height / 2 - 10) * pvec.x / math.abs(pvec.y)
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                      end
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                      self.indicator.x = the.player.x + indx
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                      self.indicator.y = the.player.y + indy
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                   end
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                end,
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   onCollide = function (self, other)
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                  if other:instanceOf(Bullet) then
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                     the.bullets:remove(other)
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                     other:die()
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                  end
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               end
 
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              end
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}
 
 
b'\\ No newline at end of file'