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main.cpp
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168 lines (144 loc) · 3.98 KB
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/**
* @name Sorting visualizer
* @author alesbe - github.com/alesbe/
* @brief A lightweight sorting visualizer made with C++ and SFML.
* @version v1.1
*
* @copyright License - MIT [alesbe 2022]
*
*/
#ifdef _WIN32
#define CLEAR "cls"
#else
#define CLEAR "clear"
#endif
#include <iostream>
#include <thread>
#include <SFML/Graphics.hpp>
#include "SortController.h"
#include "Utils.h"
int main()
{
// Window settings
sf::RenderWindow window(sf::VideoMode(600, 400), "Sorting visualizer v1.1");
window.setFramerateLimit(60);
// Visualizer settings (can be changed on runtime through the key events)
int numOfElements = 150;
int timeSleep = 1;
int sortType = 0;
// Initialize SortController
SortController sortController(window.getSize(), timeSleep);
sortController.populate(numOfElements);
// Main loop
while (window.isOpen())
{
// Events
sf::Event event;
while (window.pollEvent(event))
{
if (event.type == sf::Event::KeyPressed) {
switch (event.key.code)
{
// Start sort
case sf::Keyboard::Space:
if (!sortController.isSorting()) {
sortController.clear();
sortController.populate(numOfElements);
sortController.randomize();
sortController.startSort(sortType);
}
break;
// Stop sort
case sf::Keyboard::Backspace:
if (sortController.isSorting()) {
system(CLEAR);
std::cout << "Sort stopped!" << std::endl;
sortController.stopSort();
}
break;
// Display help
case sf::Keyboard::H:
system(CLEAR);
std::cout << "[Space]: Start sort" << std::endl;
std::cout << "[Backspace]: Stop sort" << std::endl;
std::cout << "[Up/Down Arrows]: Change sort type" << std::endl;
std::cout << "[F1]: Change number of elements" << std::endl;
std::cout << "[F2]: Change time between comparisons" << std::endl;
break;
// Change sort type (increase)
case sf::Keyboard::Up:
if (sortType >= 0 && Utils::hasNextSortType(sortType)) {
sortType++;
system(CLEAR);
std::cout << "Sort changed to: " << Utils::getSortType(sortType) << std::endl;
}
else {
//Go to the first sorting algorithm
sortType = 0;
system(CLEAR);
std::cout << "Sort changed to " << Utils::getSortType(sortType) << std::endl;
}
break;
// Change sort type (decrease)
case sf::Keyboard::Down:
if (sortType > 0) {
sortType--;
system(CLEAR);
std::cout << "Sort changed to: " << Utils::getSortType(sortType) << std::endl;
}
else {
//Go to the last sorting algorithm
while(Utils::hasNextSortType(sortType))
{
sortType++;
}
system(CLEAR);
std::cout << "Sort changed to: " << Utils::getSortType(sortType) << std::endl;
}
break;
// Change number of elements
case sf::Keyboard::F1:
if(!sortController.isSorting()) {
system(CLEAR);
std::cout << "Number of elements: ";
std::cin >> numOfElements;
std::cout << std::endl;
sortController.clear();
sortController.populate(numOfElements);
break;
}
// Change time between comparisons
case sf::Keyboard::F2:
if(!sortController.isSorting()) {
system(CLEAR);
std::cout << "Time between comparisons (milliseconds): ";
std::cin >> timeSleep;
std::cout << std::endl;
sortController.setTimeSleep(timeSleep);
break;
}
default:
break;
}
}
// Close window
if (event.type == sf::Event::Closed) {
sortController.stopSort();
window.close();
}
}
// Clear screen between each frame
window.clear(sf::Color::Black);
// Draw array elements
int index = 0;
for (auto sortable : sortController.sortElements()) {
sf::RectangleShape shape = sortable.shape();
shape.setFillColor(sortable.color);
shape.setPosition(sf::Vector2f(sortable.width * index++, sortController.winHeight() - sortable.height));
window.draw(shape);
}
// Display drawed content on screen
window.display();
}
return 0;
}