Class: Sevgi::Geometry::Equation::Line::Vertical

Inherits:
Object
  • Object
show all
Defined in:
lib/sevgi/geometry/equation/line/vertical.rb

Instance Method Summary collapse

Constructor Details

#initialize(c) ⇒ Vertical

Returns a new instance of Vertical.



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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 8

def initialize(c)
  @x = c
end

Instance Method Details

#intersection(other) ⇒ Object 



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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 12

def intersection(other)
  case other
  when Diagonal, Horizontal then x, y = self.x, other.y(self.x)
  when Vertical             then x, y = ::Float::INFINITY, ::Float::INFINITY
  end

  Point[x, y]
end

#left?(point) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 21

def left?(point)
  F.lt?(point.x, x(point.y))
end

#onto?(point) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 25

def onto?(point)
  F.eq?(point.x, x(point.y))
end

#right?(point) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 29

def right?(point)
  F.gt?(point.x, x(point.y))
end

#shift(distance = nil, dx: nil, dy: nil) ⇒ Object 



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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 33

def shift(distance = nil, dx: nil, dy: nil)
  self.class.new(x + (distance || 0.0) + (dx || 0.0))
end

#to_s ⇒ Object 



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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 37

def to_s
  "L<x = #{F.approx(x)}>"
end

#x(_ = nil) ⇒ Object 



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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 41

def x(_ = nil)
  @x
end

#y(_ = nil) ⇒ Object 



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# File 'lib/sevgi/geometry/equation/line/vertical.rb', line 45

def y(_ = nil)
  ::Float::INFINITY
end