Hi there,
We have published a new tutorial about creating and animating an earthworm model in Blender and exporting to Collada format:
Part 1: Modeling the Worm
http://vandaengine.org/animating-an-object-in-blender-using-armatures-and-exporting-to-collada-format-part-1/
Part 2: Creating the Armature
http://vandaengine.org/animating-an-object-in-blender-using-armatures-and-exporting-to-collada-format-part-2/
Part 3: Animating the Worm
http://vandaengine.org/animating-an-object-in-blender-using-armatures-and-exporting-to-collada-format-part-3/
Part 4: Creating the Main Animation and Exporting to Collada Format
http://vandaengine.org/animating-an-object-in-blender-using-armatures-and-exporting-to-collada-format-part-4/
Thanks