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55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
#include <iostream>
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class Wektor2D {
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public:
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double x, y;
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Wektor2D(double x, double y) : x(x), y(y) {}
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Wektor2D() : x(0), y(0) {}
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Wektor2D operator+=(const Wektor2D &inny_pkt) {
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this->x += inny_pkt.x;
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this->y += inny_pkt.y;
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return *this;
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}
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Wektor2D operator-=(const Wektor2D &inny_pkt) {
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this->x -= inny_pkt.x;
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this->y -= inny_pkt.y;
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return *this;
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}
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Wektor2D operator*=(const Wektor2D &inny_pkt) {
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this->x *= inny_pkt.x;
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this->y *= inny_pkt.y;
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return *this;
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}
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Wektor2D operator+(const Wektor2D &inny_pkt) const {
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Wektor2D p = *this;
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p += inny_pkt;
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return p;
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}
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Wektor2D operator-(const Wektor2D &inny_pkt) const {
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Wektor2D pkt;
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pkt.x = x - inny_pkt.x;
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pkt.y = y - inny_pkt.y;
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return pkt;
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}
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bool operator==(const Wektor2D &inny_pkt) const {
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if (x != inny_pkt.x || y != inny_pkt.y) {
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return false;
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}
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return true;
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}
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bool operator!=(const Wektor2D &inny_pkt) const {
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return !(*this == inny_pkt);
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}
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friend std::ostream &operator<<(std::ostream &os, const Wektor2D &inny_pkt) {
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os << '(' << inny_pkt.x << ',' << inny_pkt.y << ')';
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return os;
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}
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};
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