Ok, I'll try=) For example I have 2 shapes, and shape1:isSensor() = true shape2:isSensor() = false Also I set world callbacks like myWorld:setCallbacks(addCallback, nil, nil, nil) In game i have situation when second shape moves through first shape.In this situation addCallback called several times ...

When one shape is sensor and another shape inside this sensor-shape engine calls "add" callback several times... And it is not good, so i need this callback only once - when two shapes collided. Anyone had same problem? And how I can solve it?