42 lines
766 B
Lua
42 lines
766 B
Lua
-- Represents 2D point
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---@class Point
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Point = { x = 1, y = 1 }
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-- Point factory
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---@param x number
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---@param y number
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---@return any
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function Point:new( x, y )
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local point = {
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x = x or x,
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y = y or y
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}
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setmetatable( point, { __index = self } )
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return point
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end
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-- Comparing function
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---@param point self
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---@return boolean
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function Point:equals( point )
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return self.x == point.x and self.y == point.y
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end
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-- Get self coordinates
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---@return number, number
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function Point:coords()
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return self.x, self.y
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end
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-- Return vector length between points
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---@param point Point
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---@return number
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function Point:distanceTo( point )
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return math.sqrt(
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( self.x - point.x ) ^ 2 +
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( self.y - point.y ) ^ 2
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)
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end
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