使用 c++ 在 iphone 中从 diff class 访问 box2d var

Question

i have a car.h

now inside the car.hi did

float cc;
void Step(Settings* settings)
    {


        Test::Step(settings);


    cc=m_rightWheel->GetWorldCenter().x;// cc hold wheel value i needs this in other class

    }

now i want to access the value of cc in other class, so i did

// in VC.h
Car car;

// in VC.m

NSLog(@"car is moving at %f",car.cc );// not working
NSLog(@"car is moving at %f",car->cc );// not working

how to get the value of cc here??

Answer 1

**cc=m_rightWheel->GetWorldCenter().x looks weird. Remove the ** .