gistfile1.rb

# rp5
load_library 'opengl'
import "processing.opengl"

def setup
  size 640, 480, OPENGL
  smooth
end

def draw
  lights
  background(200)
  fill(100)
  translate(width/2, height/2)
  rotate_x(1)
  rotate_y(1)
  box(150)
end

=begin
all tests made against ruby-processing 1.0.6

this sketch will works with 
size 640, 480, P3D
but not with 
size 640, 480, OPENGL

after applying this patch:
<patch>
diff --git a/lib/ruby-processing/app.rb b/lib/ruby-processing/app.rb
index 43c5066..18c3c97 100644
--- a/lib/ruby-processing/app.rb
+++ b/lib/ruby-processing/app.rb
@@ -372,7 +372,7 @@ module Processing
     # Tests to see which display method should run.
     def determine_how_to_display
       # Wait for init to get its grey tracksuit on and run a few laps.
-      sleep 0.02 while default_size? && !finished? && !@@full_screen
+      #sleep 0.02 while default_size? && !finished? && !@@full_screen
       
       if online?
         display_in_an_applet
</patch>

the sketch loads but the size is stuck at the default dimensions
=end