breakpointing JRuby Libgdx code

libgdx_jruby_breakpointing.rb

require_relative 'imports'    # LibGDX class java_imports
require 'pry-debugger-jruby'


class MainGame < ApplicationAdapter
	
  def create
    #binding.pry
    breakpoint
    Gdx::graphics::setContinuousRendering(false)
    $ww, $hh = Gdx::graphics::getWidth, Gdx::graphics::getHeight
    $camera = PerspectiveCamera.new(67, $ww, $hh)
  end

  def render
    Gdx::gl::gl_clear_color(0, 0, 0, 1)
    Gdx::gl::gl_clear(GL20::GL_COLOR_BUFFER_BIT | GL20::GL_DEPTH_BUFFER_BIT)
  end
	
end


=begin

stacktrace w breakpoint:

Exception in thread "LWJGL Application" org.jruby.exceptions.RaiseException: (NoMethodError) undefined method `run_init_script' for Debugger:Module
	at RUBY.debugger(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/ruby-debug-base-0.10.6-java/lib/ruby-debug-base.rb:228)
	at RUBY.create(/Users/gslzwol/stuffs/zomg-owh/src/zredc.rb:11)
  
  
stacktrace w binding.pry:

Exception in thread "LWJGL Application" org.jruby.exceptions.RaiseException: (NoMethodError) undefined method `push' for #<Java::ComBadlogicGdxUtils::Array:0x2dd571a8>
	at RUBY.push_prompt(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-0.10.4/lib/pry/pry_instance.rb:582)
	at RUBY.initialize(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-0.10.4/lib/pry/pry_instance.rb:74)
	at RUBY.start(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-0.10.4/lib/pry/repl.rb:15)
	at RUBY.start(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-0.10.4/lib/pry/pry_class.rb:169)
	at RUBY.block in start_with_pry_debugger(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-debugger-jruby-1.2.0-java/lib/pry-debugger-jruby/pry_ext.rb:15)
	at RUBY.block in run(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-debugger-jruby-1.2.0-java/lib/pry-debugger-jruby/processor.rb:18)
	at org.jruby.RubyKernel.catch(org/jruby/RubyKernel.java:1096)
	at RUBY.run(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-debugger-jruby-1.2.0-java/lib/pry-debugger-jruby/processor.rb:17)
	at RUBY.start_with_pry_debugger(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-debugger-jruby-1.2.0-java/lib/pry-debugger-jruby/pry_ext.rb:14)
	at RUBY.pry(/Users/gslzwol/.rvm/gems/jruby-9.0.5.0@zomg-red-conspiracy/gems/pry-0.10.4/lib/pry/core_extensions.rb:43)
	at RUBY.create(/Users/gslzwol/stuffs/zomg-owh/src/zredc.rb:10)
  
  =end