Contents

require 'ruby-processing'

# The current time can be read with the second(), minute(), 
# and hour() functions. In this example, sin() and cos() values
# are used to set the position of the hands.

class Clock < Processing::App

  def setup
    stroke 255
    smooth
  end
  
  def draw
  	background 0
  	fill 80
  	no_stroke
  	
  	# Angles for sin() and cos() start at 3 o'clock;
  	# subtract HALF_PI to make them start at the top
  	ellipse 100, 100, 160, 160
  	
  	s = map( second, 0, 60, 0, TWO_PI) - HALF_PI
  	m = map( minute + norm( second, 0, 60 ), 0, 60, 0, TWO_PI ) - HALF_PI
  	h = map( hour + norm( minute, 0, 60 ), 0, 24, 0, TWO_PI * 2 ) - HALF_PI
  	
  	stroke 255
  	stroke_weight 1
  	line( 100, 100, cos(s)*72 + 100, sin(s)*72 + 100 )
  	stroke_weight 2
  	line( 100, 100, cos(m)*60 + 100, sin(m)*60 + 100 )
  	stroke_weight 4
  	line( 100, 100, cos(h)*50 + 100, sin(h)*50 + 100 )
  	
  	# Draw the minute ticks
  	stroke_weight 2
  	(0..360).step(6) do |a|
  		x = 100 + cos( a.radians ) * 72
  		y = 100 + sin( a.radians ) * 72
  		point x, y
  	end
  end
  
end

Clock.new :title => "Clock", :width => 200, :height => 200

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
ruby-processing-1.0.11	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.10.1	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.9	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.4	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.3	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.5	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.6	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.7	samples/processing_app/basics/input/clock.rb
ruby-processing-1.0.8	samples/processing_app/basics/input/clock.rb