Download and install Emscripten portable SDK

Run the following commands:

mkdir /path/to/build/dir

cd /path/to/build/dir

Run the following command:

cmake -DCMAKE_TOOLCHAIN_FILE=/path/to/emsdk-portable/emscripten/<version>/cmake/Modules/Platform/Emscripten.cmake /path/to/OpenSceneGraph/examples/osgemscripten

This also configures OpenSceneGraph as a dependency

Run the following command:

make

This also builds OpenSceneGraph under /path/to/OpenSceneGraph/build/Emscripten if it has not yet been built.

Firefox only: locate and open osgemscripten.html file.

All browsers:

• go to the directory with osgemscripten.html
• run python -m SimpleHTTPServer 8080 from there
• open http://localhost:8080/osgemscripten.html in any browser

You should now see red cube in your web browser.