GameApi Builder release v15.0

New gameapi builder release has the following major features:

• Supports larger meshes
• Performance improvements both in tool side and in the engine
• 400 features in the tool, for various tasks, including
  • opengl instancing
  • materials
  • volumes/ 3d printing support
  • animations
  • normal game engine fundamentals
  • easy path for displaying animated models in web page via emscripten
  • basic interaction support / touchscreen support
  • platform support: win32, web/emscripten, android(browser), iphone(browser), linux