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#include <iostream>
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#include <cmath>
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#include <list>
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#include <SFML/Window.hpp>
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#include <SFML/Graphics.hpp>
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#include "context_menu.hpp"
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using namespace std;
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void meow() {;}
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// Вспомогательные функции, вычисляет расстояние между двумя точками
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float distance(sf::Vector2f start, sf::Vector2f finish)
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{
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return sqrtf((start.x - finish.x)*(start.x - finish.x) + (start.y - finish.y)*(start.y - finish.y));
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}
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// Вспомогательные функции, рисует линию на холсте окна window
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void drawLine(sf::RenderWindow& window, sf::Vector2f start, sf::Vector2f finish, sf::Color color = sf::Color::White)
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{
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sf::Vertex line_vertices[2] = {sf::Vertex(start, color), sf::Vertex(finish, color)};
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window.draw(line_vertices, 2, sf::Lines);
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}
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// Вспомагательный класс, описывет шарик
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// position - положение шарика; radius - радиус
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// is_chosen - говорит о том, выбран ли шарик или нет
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struct Ball
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{
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sf::Vector2f position;
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float radius;
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bool isChoosen;
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sf::Color color;
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Ball(sf::Vector2f position, float radius, sf::Color color = sf::Color::White) : position(position), radius(radius), color(color)
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{
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isChoosen = false;
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}
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// Метод, который рисует шарик на холстек окна window
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void draw(sf::RenderWindow& window) const
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{
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// Тут рисуем белый кружочек
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sf::CircleShape circle(radius);
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circle.setFillColor(color);
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circle.setOrigin({radius, radius});
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circle.setPosition(position);
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window.draw(circle);
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// Если шарик выбран
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if (isChoosen) {
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// То рисуем "уголки"
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const float fraction = 0.7;
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drawLine(window, {position.x - radius, position.y + radius}, {position.x - radius, position.y + radius*fraction});
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drawLine(window, {position.x - radius, position.y + radius}, {position.x - fraction * radius, position.y + radius});
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drawLine(window, {position.x + radius, position.y + radius}, {position.x + radius, position.y + radius*fraction});
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drawLine(window, {position.x + radius, position.y + radius}, {position.x + radius*fraction, position.y + radius});
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drawLine(window, {position.x + radius, position.y - radius}, {position.x + radius*fraction, position.y - radius});
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drawLine(window, {position.x + radius, position.y - radius}, {position.x + radius, position.y - radius*fraction});
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drawLine(window, {position.x - radius, position.y - radius}, {position.x - radius*fraction, position.y - radius});
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drawLine(window, {position.x - radius, position.y - radius}, {position.x - radius, position.y - radius*fraction});
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}
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}
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void setColor(sf::Uint8 r, sf::Uint8 g, sf::Uint8 b, sf::Uint8 a = 255) {
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color.r = r;
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color.g = g;
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color.b = b;
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color.a = a;
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}
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};
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void deleteChoosen(list<Ball>& balls) {
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for (list<Ball>::const_iterator it = balls.begin(); it != balls.end();) {
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if (it->isChoosen)
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it = balls.erase(it);
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else
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++it;
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}
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#ifdef _DEBUG
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for (list<Ball>::iterator it = balls.begin(); it != balls.end(); ++it)
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cout << it->position.x <<" " << it->position.y<< endl;
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cout << "###" << endl;
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#endif
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}
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void copyBalls(list<Ball>& balls, list<Ball>& buffer) {
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buffer.clear();
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for (list<Ball>::iterator it = balls.begin(); it != balls.end(); ++it)
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if (it->isChoosen)
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buffer.push_back(*it);
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}
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void pasteBalls(list<Ball>& balls, list<Ball>& buffer) {
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for (list<Ball>::iterator it = buffer.begin(); it != buffer.end(); ++it)
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balls.push_back(*it);
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}
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void recolorChoosen(list<Ball>& balls) {
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for (Ball& b : balls)
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if (b.isChoosen)
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b.setColor(rand() % 255, rand() % 255, rand() % 255);
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}
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void resizeChoosen(list<Ball>& balls, double scaling) {
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for (list<Ball>::iterator it = balls.begin(); it != balls.end(); ++it) {
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if (it->isChoosen)
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it->radius += it->radius * scaling;
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}
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}
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int main()
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{
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sf::ContextSettings settings;
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settings.antialiasingLevel = 8;
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sf::RenderWindow window(sf::VideoMode(800, 600), "Select, Move, Delete!", sf::Style::Default, settings);
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window.setFramerateLimit(60);
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// Создаём связный список из шариков
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// Связный список -- потому что нам нужно будет постоянно удалять и добавлять в этот список
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std::list<Ball> balls;
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balls.push_back(Ball({200, 200}, 26));
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balls.push_back(Ball({400, 300}, 20));
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balls.push_back(Ball({500, 100}, 16));
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balls.push_back(Ball({200, 400}, 18));
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balls.push_back(Ball({350, 150}, 22));
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balls.push_back(Ball({750, 400}, 21));
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list<Ball> buffer{};
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// Создаём прямоугольник выделения
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// Обратите внимание на четвёртый параметр sf::Color(150, 150, 240, 50)
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// Это alpha - прозрачность 0 = полностью прозрачный 255 = непрозрачный
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sf::RectangleShape selectionRect;
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selectionRect.setFillColor(sf::Color(150, 150, 240, 50));
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selectionRect.setOutlineColor(sf::Color(200, 200, 255));
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selectionRect.setOutlineThickness(1);
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// Специальная переменная, которая будет показывать, что мы находимся в режиме выделения
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bool isSelecting = false;
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// "Режим выделения"
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bool isMovingMode = false;
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// Необходимо, чтоб в режиме выделения считать смещение
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Ball* selected_ball = nullptr;
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bool isContextMenu = false;
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sf::Vector2f mousePosition{};
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sf::Font font;
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if (!font.loadFromFile("consolas.ttf")) {
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std::cout << "Can't load button font" << std::endl;
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}
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std::vector<sf::String> contextMenuStrings {"Delete", "Create", "Random Color", "Increase", "Decrease", "Copy", "Cut", "Paste"};
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ContextMenu contextMenu(window, font);
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for (const auto& el : contextMenuStrings) {
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contextMenu.addButton(el);
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}
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while (window.isOpen()) {
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sf::Event event;
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while (window.pollEvent(event)) {
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if (event.type == sf::Event::Closed) {
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window.close();
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}
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int result = contextMenu.handleEvent(event);
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switch(result) {
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case 0:
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deleteChoosen(balls);
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break;
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case 1:
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mousePosition = window.mapPixelToCoords({event.mouseButton.x, event.mouseButton.y});
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balls.push_back(Ball(mousePosition, 5 + rand() % 40));
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break;
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case 2:
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recolorChoosen(balls);
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break;
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case 3:
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resizeChoosen(balls, 0.25);
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break;
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case 4:
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resizeChoosen(balls, -0.25);
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break;
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case 5:
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copyBalls(balls, buffer);
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break;
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case 6:
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copyBalls(balls, buffer);
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deleteChoosen(balls);
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break;
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case 7:
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pasteBalls(balls, buffer);
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break;
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}
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if (event.type == sf::Event::MouseMoved) {
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mousePosition = window.mapPixelToCoords({event.mouseMove.x, event.mouseMove.y});
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// Если мы находимся в режиме выделения и не попали в уже выделенный шарик, то меняем прямоугольник выделения
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if (isSelecting & !isMovingMode) {
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selectionRect.setSize(mousePosition - selectionRect.getPosition());
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}
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// Если в режиме перемещения, то двигаем все выделенные шарики
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if (isMovingMode) {
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sf::Vector2f direction = selected_ball->position - mousePosition;
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for (Ball& b : balls) {
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if (b.isChoosen) {
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b.position -= direction;
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}
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}
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}
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}
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if (event.type == sf::Event::MouseButtonPressed) {
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mousePosition = window.mapPixelToCoords({event.mouseButton.x, event.mouseButton.y});
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if (event.mouseButton.button == sf::Mouse::Left) {
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for (Ball& b : balls) {
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/* Если попали в какой-то шарик */
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if (distance(mousePosition, b.position) < b.radius) {
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selected_ball = &b;
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// Если попали в еще не выбранный шарик и не зажат левый Ctrl, то снимаем выделение со всех остальных
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if(!b.isChoosen && !sf::Keyboard::isKeyPressed(sf::Keyboard::LControl)) {
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for (Ball& ball : balls) {
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ball.isChoosen = false;
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}
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}
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b.isChoosen = true; //
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isMovingMode = true;
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break;
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}
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}
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// ЛКМ + левый Alt - добавляем новый случайный шарик
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if (sf::Keyboard::isKeyPressed(sf::Keyboard::LAlt)) {
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balls.push_back(Ball(mousePosition, 5 + rand() % 40));
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}
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// Задаём новое положения прямоугольника выделения
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|
if (!isMovingMode) {
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|
|
isSelecting = true;
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|
|
selectionRect.setPosition(mousePosition);
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|
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selectionRect.setSize({0, 0});
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|
}
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|
|
|
|
|
}
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|
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|
|
|
|
if (event.mouseButton.button == sf::Mouse::Right) {
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|
|
isContextMenu = true;
|
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|
|
|
|
}
|
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|
|
|
|
}
|
|
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|
|
|
// При отпускании кнопки мыши выходим из режима выделения
|
|
|
|
|
|
|
|
if (event.type == sf::Event::MouseButtonReleased) {
|
|
|
|
|
|
|
|
// Если не зажат левый Ctrl и не в режиме перемещения шариков, то все выделения снимаются
|
|
|
|
|
|
|
|
if (!sf::Keyboard::isKeyPressed(sf::Keyboard::LControl) && !isMovingMode && !isContextMenu) {
|
|
|
|
|
|
|
|
for (Ball& b : balls) {
|
|
|
|
|
|
|
|
b.isChoosen = false;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if (isSelecting) {
|
|
|
|
|
|
|
|
sf::Vector2f size = selectionRect.getSize();
|
|
|
|
|
|
|
|
sf::Vector2f position = selectionRect.getPosition();
|
|
|
|
|
|
|
|
for (Ball& b : balls) {
|
|
|
|
|
|
|
|
if ( ((b.position.x - b.radius > position.x) && (b.position.x + b.radius < position.x + size.x)) ||
|
|
|
|
|
|
|
|
((b.position.x + b.radius < position.x) && (b.position.x - b.radius > position.x + size.x))
|
|
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
if (((b.position.y - b.radius > position.y) && (b.position.y + b.radius < position.y + size.y)) ||
|
|
|
|
|
|
|
|
((b.position.y + b.radius < position.y) && (b.position.y - b.radius > position.y + size.y))
|
|
|
|
|
|
|
|
)
|
|
|
|
|
|
|
|
b.isChoosen = true;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
isSelecting = false;
|
|
|
|
|
|
|
|
isMovingMode = false;
|
|
|
|
|
|
|
|
isContextMenu = false;
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
/*2check*/
|
|
|
|
|
|
|
|
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Space))
|
|
|
|
|
|
|
|
recolorChoosen(balls);
|
|
|
|
|
|
|
|
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Delete)) {
|
|
|
|
|
|
|
|
deleteChoosen(balls);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**/
|
|
|
|
|
|
|
|
if (event.type == sf::Event::KeyPressed)
|
|
|
|
|
|
|
|
if (event.key.code == sf::Keyboard::C)
|
|
|
|
|
|
|
|
if (sf::Keyboard::isKeyPressed(sf::Keyboard::LControl)) {
|
|
|
|
|
|
|
|
copyBalls(balls, buffer);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
if (event.type == sf::Event::KeyPressed)
|
|
|
|
|
|
|
|
if (event.key.code == sf::Keyboard::V)
|
|
|
|
|
|
|
|
if (sf::Keyboard::isKeyPressed(sf::Keyboard::LControl))
|
|
|
|
|
|
|
|
pasteBalls(balls, buffer);
|
|
|
|
|
|
|
|
if (event.type == sf::Event::KeyPressed)
|
|
|
|
|
|
|
|
if (event.key.code == sf::Keyboard::X)
|
|
|
|
|
|
|
|
if (sf::Keyboard::isKeyPressed(sf::Keyboard::LControl)) {
|
|
|
|
|
|
|
|
copyBalls(balls, buffer);
|
|
|
|
|
|
|
|
deleteChoosen(balls);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
window.clear(sf::Color::Black);
|
|
|
|
|
|
|
|
// Рисуем все шарики
|
|
|
|
|
|
|
|
for (Ball& b : balls) {
|
|
|
|
|
|
|
|
b.draw(window);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
// Рисуем прямоугольник выделения
|
|
|
|
|
|
|
|
if (isSelecting) {
|
|
|
|
|
|
|
|
window.draw(selectionRect);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
contextMenu.draw();
|
|
|
|
|
|
|
|
window.display();
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
}
|