摘要： Box2D lua binding pkg and c++ files: LuaBox2D.zipUsage: local PTM_RATIO = 32.0 local gravity = b2Vec2(0.0, -10.0) local _world = b2World:new_local(gravity) -- Create edges around the entire screen local groundBodyDef = b2BodyDef:new_local() groundBodyDef.position = b2Vec2(0, 0)... 阅读全文