Changed box2dscene example to destroy bodies when they leave its scene boundaries
Changed box2dscene example to destroy bodies when they leave its scene boundaries

Signed-off-by: Tomaz Noleto <a2eb84bf8b39f347234d8f7895b8314e2735718f@openbossa.org>

kenvandine/Bacon2D,paulovap/Bacon2D,arcrowel/Bacon2D,arcrowel/Bacon2D,kenvandine/Bacon2D,paulovap/Bacon2D