Class: JennCad::Point

Inherits:
Object
  • Object
show all
Defined in:
lib/jenncad/position.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ Point

Returns a new instance of Point.



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# File 'lib/jenncad/position.rb', line 58

def initialize(args={})
  @pos = {x: 0.to_d, y: 0.to_d, z: 0.to_d}
  add(args)
end

Instance Attribute Details

#pos ⇒ Object

Returns the value of attribute pos.



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# File 'lib/jenncad/position.rb', line 57

def pos
  @pos
end

Instance Method Details

#add(args) ⇒ Object 



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# File 'lib/jenncad/position.rb', line 92

def add(args)
  if args.kind_of? Point
    @pos[:x] += args.x
    @pos[:y] += args.y
    @pos[:z] += args.z
    return self
  end

  args.each do |k, val|
    if [:chain, :debug].include? k
      next
    end
    unless val.kind_of? Numeric
      next
    end
    if val.to_d == 0.0
      next
    end

    keys = k.to_s.chars
    axis = []
    axis << keys.delete("x")
    axis << keys.delete("y")
    axis << keys.delete("z")
    multi = 1

    if keys.size > 0
      if keys.include?("h")
        multi = 0.5
      elsif keys.include?("q")
        multi = 0.25
      elsif keys.include?("d")
        multi = 2.0
      end
      if keys.include?("n") || keys.include?("i")
        multi *= -1
      end
    end
    axis.compact.each do |a|
      @pos[a.to_sym] += val.to_d * multi.to_d
    end
  end
  self
end

#to_a ⇒ Object 



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# File 'lib/jenncad/position.rb', line 80

def to_a
  if @z != 0.0
    [@pos[:x], @pos[:y], @pos[:z]]
  else
    [@pos[:x], @pos[:y]]
  end
end

#to_h ⇒ Object 



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# File 'lib/jenncad/position.rb', line 88

def to_h
  @pos.clone.delete_if{|k,v| v.to_d == 0.0}
end

#x ⇒ Object 



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# File 'lib/jenncad/position.rb', line 63

def x
  @pos[:x]
end

#y ⇒ Object 



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# File 'lib/jenncad/position.rb', line 67

def y
  @pos[:y]
end

#z ⇒ Object 



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# File 'lib/jenncad/position.rb', line 71

def z
  @pos[:z]
end

#zero? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/jenncad/position.rb', line 75

def zero?
  return true if x == 0.0 && y == 0.0 && z == 0.0
  false
end