lövr - virtual reality for lua

lövr is based on the löve lua 2d game engine.

hello world

function lovr.draw()
  lovr.graphics.print('Hello World!', 0, 1.7, -3, .5)
end

the VR application has to be named 'main.lua'

$ ./lovr ${LOVR_PROJECT_PATH}

webvr

prepare emsdk

# install the emsdk modified for lovr
$ wget https://s3.amazonaws.com/mozilla-games/emscripten/releases/emsdk-portable.tar.gz
$ tar -xf emsdk-portable.tar.gz
$ ./emsdk update
$ ./emsdk install latest
$ ./emsdk activate latest

# clone customized emscripten
$ git clone https://github.com/bjornbytes/emscripten.git -b lovr

build lovr-webvr

$ git clone https://github.com/bjornbytes/lovr.git
$ cd lovr && mkdir build && cd build
$ ${EMSCRIPTEN_PATH}/emcmake cmake ..
$ python ${EMSCRIPTEN_PATH}/embuilder.py build binaryen
$ ${EMSCRIPTEN_PATH}/emmake make -j2

generate webvr application

$ python </path/to>/emscripten/tools/file_packager.py \
    game.data \
    --no-heap-copy \
    --preload \
    </path/to/lovr/project> \
    --js-output=game.js