#include <string>
#include <iostream>
#include <sstream> 
#include "flugkurve03.h"
using namespace std;

Vektor Vektor::mul(const float &skalar)
{
    this->x *= skalar;
    this->y *= skalar;

    return *this;
}

Vektor Vektor::add(const Vektor &vektor_to_add)
{
    this->x += vektor_to_add.x;
    this->y += vektor_to_add.y;

    return *this;
}

Koerper Koerper::bewegen(const Vektor &beschleunigung, const float &dt)
{
    this->position.x += this->geschwindigkeit.x * dt;
    this->position.y += this->geschwindigkeit.y * dt;

    this->geschwindigkeit.x += beschleunigung.x * dt;
    this->geschwindigkeit.y += beschleunigung.y * dt;

    return *this;
}

Vektor Koerper::liefereGeschwindigkeit()
{
    return this->geschwindigkeit;
}

Vektor Koerper::lieferePosition()
{
    return this->position;
}

float Koerper::liefereMasse()
{
    return this->masse;
}

string Koerper::text()
{
    stringstream ausgabe;

    ausgabe << "(" << this->position.x << "," << this->position.y << ")";

    return ausgabe.str();
}