Module: Draught::Pathlike

Included in:
Line, Path
Defined in:
lib/draught/pathlike.rb

Instance Method Summary collapse

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 35

def ==(other)
  return false if number_of_points != other.number_of_points
  points.zip(other.points).all? { |a, b| a == b }
end

#[](index_start_or_range, length = nil) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/draught/pathlike.rb', line 15

def [](index_start_or_range, length = nil)
  raise NotImplementedError, "Pathlike objects must implement [] access on their points, returning a new instance"
end

#approximates?(other, delta) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/draught/pathlike.rb', line 40

def approximates?(other, delta)
  return false if number_of_points != other.number_of_points
  points.zip(other.points).all? { |a, b| a.approximates?(b, delta) }
end

#box_type ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 53

def box_type
  [:path]
end

#containers ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 49

def containers
  []
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/draught/pathlike.rb', line 31

def empty?
  points.empty?
end

#first ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 23

def first
  points.first
end

#last ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 27

def last
  points.last
end

#number_of_points ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 19

def number_of_points
  points.length
end

#paths ⇒ Object 



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# File 'lib/draught/pathlike.rb', line 45

def paths
  []
end

#points ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/draught/pathlike.rb', line 3

def points
  raise NotImplementedError, "Pathlike objects must return an array of their points"
end

#transform(transformation) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/draught/pathlike.rb', line 11

def transform(transformation)
  raise NotImplementedError, "Pathlike objects must implement transformation by Affine transform or point-taking lambda"
end

#translate(vector) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/draught/pathlike.rb', line 7

def translate(vector)
  raise NotImplementedError, "Pathlike objects must implement translation by Vector"
end