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Viewing changes to wrap_tile.lua

  • Committer: Josh C
  • Date: 2013-05-13 20:32:58 UTC
  • Revision ID: josh@9ix.org-20130513203258-eywmfkprzcgw3jz6
slow the ship down a bit

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wrap_tile.lua
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WrapTile = Tile:extend {
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   wrap = function(self)
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             if self.x < the.app.width / 2 then
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                self.x = the.bg.width - the.app.width / 2
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             elseif self.x > the.bg.width - the.app.width / 2 then
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                self.x = the.app.width / 2
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             end
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             if self.y < the.app.height / 2 then
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                self.y = the.bg.height - the.app.height / 2
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             elseif self.y > the.bg.height - the.app.height / 2 then
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                self.y = the.app.height / 2
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             end
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          end,
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   reflect = function(self)
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               local mirrorX, mirrorY = self.x, self.y
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               if self.x > the.bg.width - the.app.width then
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                  mirrorX = self.x - the.bg.width + the.app.width
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               elseif self.x < the.app.width then
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                  mirrorX = self.x + the.bg.width - the.app.width
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               end
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               if self.y > the.bg.height - the.app.height then
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                  mirrorY = self.y - the.bg.height + the.app.height
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               elseif self.y < the.app.height then
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                  mirrorY = self.y + the.bg.height - the.app.height
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               end
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               if self.x ~= mirrorX then
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                  if not self.xMirror then
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                     --print('creating mirror: X='..mirrorX..' Y='..mirrorY)
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                     self.xMirror = Mirror:new{ of = self, image = self.image }
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                     the.mirrors:add(self.xMirror)
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                  end
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                  self.xMirror.x = mirrorX
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                  self.xMirror.y = self.y
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                  self.xMirror.rotation = self.rotation
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                  self.xMirror.scale = self.scale
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               elseif self.xMirror then
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                  if self.type == 'bullet' then
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                     --print('pruning bullet')
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                  end
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                  the.mirrors:remove(self.xMirror)
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                  self.xMirror.of = nil -- break circular reference
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                  self.xMirror = nil
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                  -- die?
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               end
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               if self.y ~= mirrorY then
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                  if not self.yMirror then
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                     --print('creating mirror: X='..mirrorX..' Y='..mirrorY)
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                     self.yMirror = Mirror:new{ of = self, image = self.image }
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                     the.mirrors:add(self.yMirror)
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                  end
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                  self.yMirror.x = self.x
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                  self.yMirror.y = mirrorY
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                  self.yMirror.rotation = self.rotation
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                  self.yMirror.scale = self.scale
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               elseif self.yMirror then
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                  if self.type == 'bullet' then
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                     --print('pruning bullet')
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                  end
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                  the.mirrors:remove(self.yMirror)
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                  self.yMirror.of = nil -- break circular reference
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                  self.yMirror = nil
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                  -- die?
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               end
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               if self.x ~= mirrorX and self.y ~= mirrorY then
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                  if not self.xyMirror then
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                     --print('creating mirror: X='..mirrorX..' Y='..mirrorY)
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                     self.xyMirror = Mirror:new{ of = self, image = self.image }
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                     the.mirrors:add(self.xyMirror)
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                  end
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                  self.xyMirror.x = mirrorX
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                  self.xyMirror.y = mirrorY
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                  self.xyMirror.rotation = self.rotation
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                  self.xyMirror.scale = self.scale
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               elseif self.xyMirror then
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                  if self.type == 'bullet' then
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                     --print('pruning bullet')
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                  end
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                  the.mirrors:remove(self.xyMirror)
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                  self.xyMirror.of = nil -- break circular reference
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                  self.xyMirror = nil
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                  -- die?
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               end
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            end,
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   onRemove = function(self)
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                 if self.xMirror then
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                    if self.type == 'bullet' then
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                       --print('removing bullet, so removing mirror')
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                    end
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                    the.mirrors:remove(self.xMirror)
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                    self.xMirror.of = nil -- break circular reference
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                    self.xMirror = nil
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                 end
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                 if self.yMirror then
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                    if self.type == 'bullet' then
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                       --print('removing bullet, so removing mirror')
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                    end
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                    the.mirrors:remove(self.yMirror)
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                    self.yMirror.of = nil -- break circular reference
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                    self.yMirror = nil
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                 end
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                 if self.xyMirror then
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                    if self.type == 'bullet' then
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                       --print('removing bullet, so removing mirror')
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                    end
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                    the.mirrors:remove(self.xyMirror)
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                    self.xyMirror.of = nil -- break circular reference
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                    self.xyMirror = nil
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                 end
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              end,
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   update = function (self, elapsed)
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               Tile.update(self, elapsed)
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               self:wrap()
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               if self.active then
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                  self:reflect()
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               end
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            end
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}
 
 
b'\\ No newline at end of file'