Class: DPTM6::Path::Node

Inherits:
Object
  • Object
show all
Defined in:
lib/dptm6/path.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x, y, op) ⇒ Node

Returns a new instance of Node.



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# File 'lib/dptm6/path.rb', line 6

def initialize(x, y, op)
  @x = x.to_f
  @y = y.to_f
  @op = op.to_sym
end

Instance Attribute Details

#next ⇒ Object

Returns the value of attribute next.



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# File 'lib/dptm6/path.rb', line 4

def next
  @next
end

#op ⇒ Object (readonly)

Returns the value of attribute op.



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# File 'lib/dptm6/path.rb', line 3

def op
  @op
end

#prev ⇒ Object

Returns the value of attribute prev.



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# File 'lib/dptm6/path.rb', line 4

def prev
  @prev
end

#x ⇒ Object (readonly)

Returns the value of attribute x.



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# File 'lib/dptm6/path.rb', line 3

def x
  @x
end

#y ⇒ Object (readonly)

Returns the value of attribute y.



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# File 'lib/dptm6/path.rb', line 3

def y
  @y
end

Instance Method Details

#connect(next_node) ⇒ Object 



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# File 'lib/dptm6/path.rb', line 12

def connect(next_node)
  self.next = next_node
  next_node.prev = self
  self
end

#output(op = @op) ⇒ Object 



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# File 'lib/dptm6/path.rb', line 29

def output(op = @op)
  @op = nil
  "%g %g %s " % [@x, @y, op]
end

#reconnect(opp_node) ⇒ Object 



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# File 'lib/dptm6/path.rb', line 18

def reconnect(opp_node)
  # assume that self.x == opp_node.x && self.y == opp_node.y
  if (self.next.x == opp_node.prev.x && self.next.y == opp_node.prev.y)
    opp_node.prev.connect(self.next)
    self.connect(opp_node)
    self
  else
    nil
  end
end