OBP1 - Vezba2

//Tacka.h

#pragma once

class Tacka {
private:
    int *x;
    int *y;
public:
    Tacka();

    Tacka(int a, int b);

    void setX(int a);
    void setY(int b);

    int getX();
    int getY();

    void ispisiTacku();

    bool uporedi(Tacka);
};

//Tacka.cpp

#include "Tacka.h"
#include<iostream>

using namespace std;

Tacka::Tacka() {
    x = new int(0);
    y = new int(0);
}

Tacka::Tacka(int a, int b) {
    x = new int(a);
    y = new int(b);
}

void Tacka::setX(int a) {
    x = new int(a);
}

void Tacka::setY(int b) {
    y = new int(b);
}

int Tacka::getX() {
    return *x;
}

int Tacka::getY() {
    return *y;
}

void Tacka::ispisiTacku() {
    cout<<"\n("<<*x<<", "<<*y<<")"<<endl;
}

bool Tacka::uporedi(Tacka tacka) {
    return ((*x == *tacka.x) && (*y == *tacka.y));
}

//Trougao.h

#include "Tacka.h"

class Trougao {

private:
    Tacka a;
    Tacka b;
    Tacka c;
    double povrsina;
public:
    Trougao();
    Trougao(Tacka, Tacka, Tacka);
    Trougao(int, int, int, int, int, int);
    void povrsinaT();
    void ispisiT();

};

//Trougao.cpp

#include "Trougao.h"
#include<iostream>
#include<cmath>

using namespace std;

Trougao::Trougao() {
    a = Tacka(0, 0);
    b = Tacka(0, 5);
    c = Tacka(5, 0);
}

Trougao::Trougao(Tacka tacka, Tacka tacka1, Tacka tacka2) {
    a = tacka;
    b = tacka1;
    c = tacka2;
}

Trougao::Trougao(int x1, int y1, int x2, int y2, int x3, int y3) {
    a = Tacka(x1, y1);
    b = Tacka(x2, y2);
    c = Tacka(x3, y3);
}

void Trougao::povrsinaT() {
    double AB, BC, AC, s;
    AB = sqrt(pow(a.getX() - b.getX(), 2) + pow(a.getY() - b.getY(), 2));
    BC = sqrt(pow(b.getX() - c.getX(), 2) + pow(b.getY() - c.getY(), 2));
    AC = sqrt(pow(a.getX() - c.getX(), 2) + pow(a.getY() - c.getY(), 2));

    s = (AB + BC + AC) / 2;

    povrsina = sqrt(s * (s - AB) * (s - BC) * (s - AC));
}

void Trougao::ispisiT() {
    cout << "\n{A(" << a.getX() << ", " << a.getY()
    << "), B(" << b.getX() << ", " << b.getY()
    << "), C(" << c.getX() << ", " << c.getY()
    << ") : Povrsina = " << povrsina << " }" << endl;
}

//Pravougaonik.h

#include "Tacka.h"

class Pravougaonik {

private:
    Tacka t1;
    Tacka t2;
    Tacka t3;
    Tacka t4;
public:
    Pravougaonik(Tacka a, Tacka b, Tacka c, Tacka d);
    Pravougaonik();
    Pravougaonik(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4);

    double Povrsina();
    void ispisP();

};

//Pravougaonik.cpp

#include "Pravougaonik.h"
#include <iostream>
#include <cmath>

using namespace std;

Pravougaonik::Pravougaonik(Tacka a, Tacka b, Tacka c, Tacka d){
    t1 = a;
    t2 = b;
    t3 = c;
    t4 = d;
}

Pravougaonik::Pravougaonik() {
    t1.setX(0); t1.setY(0);
    t2.setX(0); t2.setY(6);
    t3.setX(5); t3.setY(6);
    t4.setX(5); t4.setY(0);
}

Pravougaonik::Pravougaonik(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4) {
    t1.setX(x1); t1.setY(y1);
    t2.setX(x2); t2.setY(y2);
    t3.setX(x3); t3.setY(y3);
    t4.setX(x4); t4.setY(y4);
}

double Pravougaonik::Povrsina() {
    double T12, T14, T23, T24, T34, s1, s2, p1, p2;

    T12 = sqrt(pow(t1.getX() - t2.getX(),2) + pow(t1.getY() - t2.getY(),2));
    T14 = sqrt(pow(t1.getX() - t4.getX(),2) + pow(t1.getY() - t4.getY(),2));
    T23 = sqrt(pow(t2.getX() - t3.getX(),2) + pow(t2.getY() - t3.getY(),2));
    T24 = sqrt(pow(t2.getX() - t4.getX(),2) + pow(t2.getY() - t4.getY(),2));
    T34 = sqrt(pow(t3.getX() - t4.getX(),2) + pow(t3.getY() - t4.getY(),2));

    s1 = (T12 + T14 + T24)/2;
    s2 = (T23 + T34 + T24)/2;
    p1 = sqrt(s2 * (s1 - T12) * (s1 - T14) * (s1 - T24));
    p2 = sqrt(s2 * (s2 - T23) * (s2 - T34) * (s2 - T24));

    return p1+p2;
}

void Pravougaonik::ispisP() {
    cout<<"\nPovrsina je "<<this->Povrsina()<<endl;
}

//Main.cpp

#include <iostream>
#include "Tacka.h"
#include "Trougao.h"
#include "Pravougaonik.h"

using namespace std;

int main() {
    Tacka t1;
    Tacka t2 = Tacka(3,4);

    int x1;
    int y1;

    cout<<"Tacke - pocetno stanje:"<<endl;
    t1.ispisiTacku();
    t2.ispisiTacku();

    t1.setX(5);
    t2.setY(9);

    cout<<"Nakon izmene:"<<endl;
    t1.ispisiTacku();
    t2.ispisiTacku();

    x1 = t1.getX();
    y1 = t1.getY();

    cout<<"\nx1: "<<x1<<endl<<"y1: "<<y1<<endl;

    if(t1.uporedi(t2) == true)
        cout<<"Iste"<<endl;
    else
        cout<<"Razlicite"<<endl;

    //Drugi zadatak

    Tacka tacka1 = Tacka(4,2);
    Tacka tacka2 = Tacka(3,4);
    Tacka tacka3 = Tacka(2,2);

    Trougao trougao1 = Trougao(tacka1, tacka2, tacka3);
    Trougao trougao2;

    trougao1.povrsinaT();
    trougao2.povrsinaT();

    cout<<"Prvi trougao: "<<endl;
    trougao1.ispisiT();
    cout<<"Drugi trougao: "<<endl;
    trougao2.ispisiT();

    //Treci zadatak

    Pravougaonik pravougaonik;

    pravougaonik.ispisP();

    return 0;
}