Class: EpiMath::Point

Inherits:
Object
  • Object
show all
Defined in:
lib/epimath100/point.class.rb

Instance Method Summary collapse

Constructor Details

#initialize(x, y, z) ⇒ Point

Returns a new instance of Point.



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# File 'lib/epimath100/point.class.rb', line 7

def initialize x, y, z
  if !x.is_a?Numeric or !y.is_a?Numeric or !z.is_a?Numeric
    Error.call "Point::new : a passed argument is not a valid number"
  end
  @coord = {:x => x.to_f, :y => y.to_f, :z => z.to_f}
end

Instance Method Details

#*(p) ⇒ Object 



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# File 'lib/epimath100/point.class.rb', line 28

def *(p)
  Error.call "Point::+ : passed argument is invalid" if !p.is_a?Numeric

  @coord.x *= p
  @coord.y *= p
  @coord.z *= p
end

#+(p) ⇒ Object 



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# File 'lib/epimath100/point.class.rb', line 14

def +(p)
  if p.is_a?Point
    @coord.x += p.x
    @coord.y += p.y
    @coord.z += p.z
  elsif p.is_a?Numeric
    @coord.x += p
    @coord.y += p
    @coord.z += p
  else
    Error.call "Point::+ : passed argument is invalid"
  end
end

#to_s ⇒ Object 



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# File 'lib/epimath100/point.class.rb', line 36

def to_s
  "(#{self.x}; #{self.y}; #{self.z})"
end

#x ⇒ Object 



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# File 'lib/epimath100/point.class.rb', line 40

def x
  @coord[:x]
end

#y ⇒ Object 



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# File 'lib/epimath100/point.class.rb', line 44

def y
  @coord[:y]
end

#z ⇒ Object 



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# File 'lib/epimath100/point.class.rb', line 48

def z
  @coord[:z]
end