#include <iostream>
#include <vector>
#include <algorithm>

#define MIN_RANGE -10.5
#define MAX_RANGE 10.5

using namespace std;

struct MyObject
{
    float m_fPosX;
    float m_fPosY;
    float m_fMass;
    MyObject(){}
    MyObject(float first,float second,float third)
    {
        m_fPosX = first;
        m_fPosY = second;
        m_fMass = third;
    }
};

struct MyObject g()
{
    float first = (float)rand()/ RAND_MAX * (MAX_RANGE - MIN_RANGE) - fabs(MIN_RANGE);
    float second = (float)rand()/ RAND_MAX * (MAX_RANGE - MIN_RANGE) - fabs(MIN_RANGE);
    float third = (float)rand()/ RAND_MAX * (MAX_RANGE - MIN_RANGE) - fabs(MIN_RANGE);
    return MyObject(first,second,third);
};

int main()
{
    vector<MyObject> vecObjects(20);
    generate(vecObjects.begin(),vecObjects.end(),[]() -> MyObject{return g();});
    for(unsigned i = 0; i < 20; ++i)
    {
        cout << "vecObjects["<< i <<"].m_fPosX = "<<vecObjects[i].m_fPosX << endl;
        cout << "vecObjects["<< i <<"].m_fPosY = "<<vecObjects[i].m_fPosY << endl;
        cout << "vecObjects["<< i <<"].m_fMass = "<<vecObjects[i].m_fMass << endl;
        cout << endl<< endl;
    }
    return 0;
}