Class: Snow::Quat

Inherits:
Object
  • Object
show all
Defined in:
lib/snow-math/quat.rb,
lib/snow-math/swizzle.rb

Constant Summary collapse

@@SWIZZLE_CHARS = 
/^[xyzw]{3,4}$/
@@SWIZZLE_MAPPING = 
{ 3 => ::Snow::Vec3, 4 => self, 'x' => 0, 'y' => 1, 'z' => 2, 'w' => 3 }

Instance Method Summary collapse

Instance Method Details

#add!(rhs) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 90

def add!(rhs)
  add rhs, self
end

#divide!(rhs) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 102

def divide!(rhs)
  divide rhs, self
end

#dup ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 57

def dup
  self.class.new(self)
end

#inverse! ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 65

def inverse!
  inverse self
end

#multiply(rhs, output = nil) ⇒ Object Also known as: * 



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# File 'lib/snow-math/quat.rb', line 77

def multiply(rhs, output = nil)
  case rhs
  when Quat then multiply_quat(rhs, output)
  when Vec3 then multiply_vec3(rhs, output)
  when Numeric then scale(rhs, output)
  else raise TypeError, "Invalid type for RHS"
  end
end

#multiply!(rhs) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 86

def multiply!(rhs)
  multiply_quat! rhs
end

#multiply_quat!(rhs) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 73

def multiply_quat!(rhs)
  multiply_quat rhs, self
end

#negate! ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 69

def negate!
  negate self
end

#normalize! ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 61

def normalize!
  normalize self
end

#scale!(rhs) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 98

def scale!(rhs)
  scale rhs, self
end

#subtract!(rhs) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 94

def subtract!(rhs)
  subtract rhs, self
end

#w ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 49

def w
  self[3]
end

#w=(value) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 53

def w=(value)
  self[3] = value
end

#x ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 25

def x
  self[0]
end

#x=(value) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 29

def x=(value)
  self[0] = value
end

#y ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 33

def y
  self[1]
end

#y=(value) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 37

def y=(value)
  self[1] = value
end

#z ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 41

def z
  self[2]
end

#z=(value) ⇒ Object 



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# File 'lib/snow-math/quat.rb', line 45

def z=(value)
  self[2] = value
end