modified:   samples/external_library/java_processing/pbox2d/bumpy_surface_noise.rb
	modified:   samples/external_library/java_processing/pbox2d/library/custom_shape/custom_shape.rb
	modified:   samples/external_library/java_processing/pbox2d/library/particle_system/particle_system.rb
	modified:   samples/external_library/java_processing/pbox2d/library/surface/surface.rb
	modified:   samples/external_library/java_processing/pbox2d/liquidy.rb
	modified:   samples/external_library/java_processing/pbox2d/polygons.rb
keep in line with nature of code ruby