feat: initial version of physical entities for 3D
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Kazhnuz
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cf1928444f
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3 changed files with 213 additions and 0 deletions
70
birb/objects/3D/box.lua
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70
birb/objects/3D/box.lua
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-- box.lua :: a 3D box.
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--[[
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Copyright © 2019 Kazhnuz
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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local Point = require "birb.objects.3D.point3D"
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local Box = Point:extend()
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function Box:new(x, y, z, w, h, d)
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Box.super.new(self, x, y, z)
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self:setSize(w, h, d)
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end
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function Box:setSize(w, h, d)
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self.w = w or self.w
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self.h = h or self.h
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self.d = d or self.d
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end
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function Box:getArea()
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local x, y, z = self:getPosition()
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return x, y, z, self.w, self.h, self.d
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end
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function Box:getShape()
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local x, y, z, w, h, d = self:getArea()
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end
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function Box:getCorners()
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local x, y, z, w, h, d = self:getArea()
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return x, y, z, x + w, y + h, z + d
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end
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function Box:getCenter()
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local x, y, z, w, h, d = self:getArea()
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return math.floor(x + (w/2)), math.floor(y + (h/2)), math.floor(z + (d/2))
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end
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function Box:areCoordInside(dx, dy, dz)
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local x, y, z, w, h, d = self:getArea()
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return ((dx > x) and (dx < x + w) and (dy > y) and (dy < y + h)) and (dz > z) and (dz < z + d)
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end
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function Box:getRelativeCoordinate(dx, dy, dz)
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return dx - self.x, dy - self.y, dz - self.z
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end
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function Box:drawBox()
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utils.graphics.box(self.x, self.y, self.w, self.h)
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end
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return Box
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71
birb/objects/3D/indexedbox.lua
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71
birb/objects/3D/indexedbox.lua
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-- indexedbox.lua :: An indexed box is a box indexed to a point,
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-- Basically a box that have its coordinate recalculated from an existing
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-- point
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--[[
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Copyright © 2019 Kazhnuz
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
|
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
|
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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local Rect = require "birb.objects.2D.rect"
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local IndexedRect = Rect:extend()
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function IndexedRect:new(origin, ox, oy, oz, w, h, d)
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self.setOrigin(origin)
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self.ox = ox
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self.oy = oy
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self.oz = oz
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local x, y, z = self:getPosition()
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IndexedRect.super.new(self, x, y, w, h)
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end
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function IndexedRect:setRelativePosition(ox, oy, oz)
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self.ox = ox or self.ox
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self.oy = oy or self.oy
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self.oz = oz or self.oz
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end
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function IndexedRect:setOrigin(origin)
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self.origin = origin
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-- We should check if the origin is really a point
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end
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function IndexedRect:getOrigin(origin)
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return self.origin
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end
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function IndexedRect:getPosition()
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return self.origin.x + self.ox, self.origin.y + self.oy, self.origin.z + self.oz
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end
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function IndexedRect:updateBox()
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local x, y, z = self:getPosition()
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self:setPosition(x, y, z)
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return x, y, self.w, self.h, self.d
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end
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function IndexedRect:modify(ox, oy, oz, w, h, d)
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self.ox = ox
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self.oy = oy
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self.oz = oz
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self:setSize(w, h, d)
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self:updateBox()
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end
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return IndexedRect
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72
birb/objects/3D/point3D.lua
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72
birb/objects/3D/point3D.lua
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-- point3D.lua :: a 3D point.
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--[[
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Copyright © 2019 Kazhnuz
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
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the Software, and to permit persons to whom the Software is furnished to do so,
|
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subject to the following conditions:
|
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|
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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|
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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]]
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local Point = Object:extend()
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function Point:new(x, y, z)
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self.x, self.y, self.z = x, y, z
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end
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function Point:setPosition(x, y, z)
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self.x, self.y, self.z = x, y, z
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end
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function Point:goToward(x, y, z)
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local x = x or 0
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local y = y or 0
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local z = z or 0
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self:setPosition(self.x + x, self.y + y, self.z + z)
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end
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function Point:getPosition()
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return self.x, self.y, self.z
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end
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function Point:getDistance(x, y, z)
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return utils.math.pointDistance3D(self.x, self.y, self.z, x, y, z)
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end
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function Point:getDistanceFromPoint(other)
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local x, y, z = other:getPosition()
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self:getDistance(x, y, z)
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end
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function Point:getDirection(x, y)
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return utils.math.pointDirection(self.x, self.y, x, y)
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end
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function Point:getDirectionFromPoint(other)
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local x, y = other:getPosition()
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self:getDirection(x, y)
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end
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function Point:getMiddlePoint(x, y, z)
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return utils.math.getMiddlePoint3D(self.x, self.y, self.z, x, y, z)
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end
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function Point:getMiddlePointFromPoint(other)
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local x, y, z = other:getPosition()
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self:getMiddlePoint(x, y, z)
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end
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return Point
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