transformation.cpp

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#include "transformation.h"

#include <SFML/Graphics.hpp>
#include <iostream>
#include <memory>

using namespace std;

namespace arkanoidSFML {

    // Initialise singleton with nullptr at start
    Transformation* Transformation::singleton = nullptr;

    Transformation::Transformation() {}

    Transformation::Transformation(double gridWidth, double gridHeight, double windowWidth, double windowHeight)
    : widthScale(windowWidth/gridWidth), heightScale(windowHeight/gridHeight) {}

    Transformation* Transformation::getInstance() {
        if(!singleton) {
            // Create instance
            singleton = new Transformation;
        }
        return singleton;
    }

    Transformation* Transformation::getInstance(double gridWidth, double gridHeight, double windowWidth, double windowHeight) {
        if(!singleton) {
            // Create instance
            singleton = new Transformation(gridWidth, gridHeight, windowWidth, windowHeight);
        }
        return singleton;
    }

    arkanoid::Vector2D Transformation::convertVector(const sf::Vector2f &vector) {
        return arkanoid::Vector2D(vector.x / widthScale, vector.y / heightScale);
    }

    double Transformation::convertX(double x) {
        return x / widthScale;
    }

    double Transformation::convertY(double y) {
        return  y / heightScale;
    }

}