Class: Waxy::Geometry::Hex

Inherits:
Object
  • Object
show all
Defined in:
lib/waxy/geometry/hex.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(_q, _r, _s = nil) ⇒ Hex

All params are Int



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# File 'lib/waxy/geometry/hex.rb', line 14

def initialize(_q, _r, _s = nil)
  @q = _q
  @r = _r
  @s = _s
end

Instance Attribute Details

#q ⇒ Object

Returns the value of attribute q.



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# File 'lib/waxy/geometry/hex.rb', line 5

def q
  @q
end

#r ⇒ Object

Returns the value of attribute r.



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# File 'lib/waxy/geometry/hex.rb', line 5

def r
  @r
end

#s ⇒ Object

Returns the value of attribute s.



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# File 'lib/waxy/geometry/hex.rb', line 5

def s
  @s
end

#size ⇒ Array

Returns initialized here for foreseable geometry calculations, but in general this should be handled through a Meta.

Returns:

  • (Array) —

    initialized here for foreseable geometry calculations, but in general this should be handled through a Meta



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# File 'lib/waxy/geometry/hex.rb', line 11

def size
  @size
end

Instance Method Details

#!=(b) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 32

def != (b)
  !(self == b)
end

#*(k) ⇒ Object

Parameters:

  • a (Hex)
  • k (Int) 


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# File 'lib/waxy/geometry/hex.rb', line 46

def * (k)
  Hex.new(q * k, r * k, (s ? s * k : nil))
end

#+(b) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 36

def + (b)
  Hex.new(q + b.q, r + b.r, ( s ? s + b.s : nil))
end

#-(b) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 40

def - (b)
  Hex.new(q - b.q, r - b.r,  (s ? s - b.s : nil))
end

#==(b) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 28

def == (b)
  q == b.q && r == b.r && s == b.s
end

#distance(b) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 54

def distance(b)
  hex_length(self - b)
end

#hex_direction(i) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 58

def hex_direction(i)
  raise if !(0..5).include?(i)
  HEX_DIRECTIONS_FLAT[i]
end

#hex_length(hex) ⇒ Object 



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# File 'lib/waxy/geometry/hex.rb', line 50

def hex_length(hex)
  ((hex.q.abs + hex.r.abs + hex.s.abs) / 2).to_i
end

#hex_neighbor(i) ⇒ Object

(0..5, requires modulo prior)



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# File 'lib/waxy/geometry/hex.rb', line 64

def hex_neighbor(i)
  self + hex_direction(i)
end