fixes issue with multiple 3d contexts, makes multipe renderer now actually work
fixes issue with multiple 3d contexts, makes multipe renderer now actually work

sebllll/vvvv.js,sebllll/vvvv.js,zauner/vvvv.js,zauner/vvvv.js,AndBicScadMedia/vvvv.js,zauner/vvvv.js,sebllll/vvvv.js,sebllll/vvvv.js,AndBicScadMedia/vvvv.js,AndBicScadMedia/vvvv.js,zauner/vvvv.js,sebllll/vvvv.js,zauner/vvvv.js,AndBicScadMedia/vvvv.js,AndBicScadMedia/vvvv.js