71 lines
2 KiB
Lua
71 lines
2 KiB
Lua
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-- point.lua :: a 2D 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 Point = Object:extend()
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function Point:new(x, y)
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self.x, self.y = x, y
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end
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function Point:setPosition(x, y)
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self.x, self.y = x, y
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end
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function Point:move(x, y)
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local x = x or 0
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local y = y or 0
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self:setPosition(self.x + x, self.y + y)
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end
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function Point:getPosition()
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return self.x, self.y
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end
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function Point:getDistance(x, y)
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return utils.math.pointDistance(self.x, self.y, x, y)
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end
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function Point:getDistanceFromPoint(other)
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local x, y = other:getPosition()
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self:getDistance(x, y)
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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)
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return utils.math.getMiddlePoint(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:getMiddlePoint(x, y)
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end
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return Point
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