require 'ruby-processing'

class Sun < Processing::App
  #load_java_library :opengl
  #include_package 'processing.opengl'


  def setup
	#render_mode OPENGL
	smooth
	no_loop

	color_mode HSB, 360

	@radius = width / 8
	@ray_count = 20

	@ray_radiuses = []
	@ray_colors = []

	@ray_count.times { |i| @ray_radiuses << ((i % 2 == 0) ? random(1.5 * @radius, 2.0 * @radius) : 2.8 * @radius) }

	@ray_count.times { |i| @ray_colors << color(60, 360, 360 + random(60)) }
	@t = 0
  end

  def draw
	background 360
    translate width / 2, height / 2
	@t += 0.1

	stroke_weight 2
	fill 60, 360, 360

	ellipse 0, 0, 2 * @radius, 2 * @radius

	@angle_step = 2 * PI / @ray_count
    rotate @t

	#stroke_weight 1

	stroke_join ROUND

	@ray_count.times do |ray|
	  begin_shape

	    step_y = @ray_radiuses[ray].to_f / 40
		fill @ray_colors[ray]
	    40.times do |i|
		  y = i * step_y
		  curve_vertex(@radius * Math.sin(y / 20 + @t % (2.3 * @radius)) / 4 - 5, y + @radius + 5)
		end

		40.downto(0) do |i|
		  y = i * step_y
		  curve_vertex(@radius * Math.sin(y / 20 + @t % (2.3 * @radius)) / 4 + 5, y + @radius + 5)
		end
	  end_shape(CLOSE)
	  rotate @angle_step

	  #save('sun.png')
	end
	turtle = load_image('tortue3.png')
	image(turtle, 0, 0)

  end

  def mouse_clicked
	save('sun.png')
  end
end

Sun.new :title => "Sun", :width => 500, :height => 500