Method: Processing::GraphicsContext#angleMode

Defined in:
lib/processing/graphics_context.rb

#angleMode(mode = nil) ⇒ RADIANS, DEGREES

Sets angle mode.

Parameters:

Returns:

See Also:



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# File 'lib/processing/graphics_context.rb', line 849

def angleMode(mode = nil)
  if mode != nil
    @angleMode__  = mode
    @toRad__, @toDeg__, @fromRad__, @fromDeg__ =
      case mode.downcase.to_sym
      when RADIANS then [1.0,      RAD2DEG__, 1.0,       DEG2RAD__]
      when DEGREES then [DEG2RAD__, 1.0,      RAD2DEG__, 1.0]
      else raise ArgumentError, "invalid angle mode: #{mode}"
      end
  end
  @angleMode__
end