Szydlo

worldId: b2.WorldId;
bodyId: b2.BodyId;
groundId: b2.BodyId;
sensorId: b2.ShapeId;

boxExtent := [2]f32{ 0.5 * 32, 0.5 * 64 };

groundExtent := [2]f32{ 0.5 * 800, 0.5 * 40 };

debugDraw := b2.DefaultDebugDraw();