Contents

# Ported from http://nodebox.net/code/index.php/Graphics_State

# This sketch demonstrates how to use the frame rate as orbital state,
# as well as how to use system fonts in Ruby-Processing.

def setup
  size 450, 450
  frame_rate 30
  smooth
  fill 0
  @font = create_font('Helvetica', 40)
end

def draw
  background 255
  translate 225, 225

  text_font @font
  ellipse 0, 0, 10, 10
  text 'sun', 10, 0

  3.times do |i|
    push_matrix

    rotate frame_count / -180.0 * PI + i * PI / -1.5
    line 0, 0, 120, 0

    translate 120, 0
    ellipse 0, 0, 10, 10
    text_font @font, 22
    text 'planet', 10, 0

    rotate frame_count / -30.0 * PI 
    line 0, 0, 30, 0
    text_font @font, 15
    text 'moon', 32, 0

    pop_matrix
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
ruby-processing-1.0.11	samples/contributed/orbit.rb
ruby-processing-1.0.10.1	samples/contributed/orbit.rb
ruby-processing-1.0.9	samples/orbit.rb
ruby-processing-1.0.6	samples/orbit.rb
ruby-processing-1.0.7	samples/orbit.rb
ruby-processing-1.0.8	samples/orbit.rb