308 lines
9.7 KiB
JavaScript
308 lines
9.7 KiB
JavaScript
// -----------------------------------------------------------------------------------------------------------------
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/**
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* Cette partie du code, vous n'avez pas besoin d'y toucher. Elle permet de gérer la grille et l'affichage des cellules
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*/
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class GridManager {
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ACTIVE_COLOR = 'black';
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INACTIVE_COLOR = 'grey';
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gridContainerId;
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gridSize;
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grid = [];
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constructor(gridSize, gridContainerId) {
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if (!gridSize || gridSize < 30) {
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throw new Error('The grid size must be at least 30');
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}
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if (!gridContainerId) {
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throw new Error('gridContainerId must be set');
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}
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this.gridSize = gridSize;
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this.gridContainerId = gridContainerId;
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this.createGrid();
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}
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createGrid() {
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const container = document.getElementById(this.gridContainerId);
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for (let i = 0; i < this.gridSize; i++) {
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const row = document.createElement('div');
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row.className = 'row';
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const gridRow = [];
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for (let j = 0; j < this.gridSize; j++) {
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const cell = document.createElement('div');
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cell.className = 'cell';
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cell.style.backgroundColor = this.INACTIVE_COLOR;
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row.appendChild(cell);
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gridRow.push(cell);
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}
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container.appendChild(row);
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this.grid.push(gridRow);
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}
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}
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destroyGrid() {
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for (let x = 0; x < this.gridSize; x++) {
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for (let y = 0; y < this.gridSize; y++) {
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const node = this.grid[y][x];
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node.parentNode.removeChild(node);
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}
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}
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const container = document.getElementById(this.gridContainerId);
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while (container.firstChild) {
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container.removeChild(container.lastChild);
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}
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this.grid = [];
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}
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setInitialState(initialState) {
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const coords = initialState.split(';').map(coord => coord.split(','));
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coords.forEach((coord) => this.activeCell(+coord[0], +coord[1]));
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}
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isInGridRange(x, y) {
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return x >= 0 && x < this.gridSize && y >= 0 && y < this.gridSize;
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}
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isActiveCell(x, y) {
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return this.isInGridRange(x, y) && this.grid[y][x].style.backgroundColor === this.ACTIVE_COLOR;
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}
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activeCell(x, y) {
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if (!this.isInGridRange(x, y)) {
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return;
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}
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this.grid[y][x].style.backgroundColor = this.ACTIVE_COLOR;
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}
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deactiveCell(x, y) {
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if (!this.isInGridRange(x, y)) {
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return;
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}
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this.grid[y][x].style.backgroundColor = this.INACTIVE_COLOR;
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}
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getNumberActiveNeighbourCells(x, y) {
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const neighbours = [
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[x-1, y-1], [x, y-1], [x+1, y-1],
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[x-1, y], [x+1, y],
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[x-1, y+1], [x, y+1], [x+1, y+1],
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];
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return neighbours.map(cell => this.isActiveCell(cell[0], cell[1])).filter(cell => cell === true).length;
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}
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logCurrentGridState() {
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const activeCells = [];
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for (let x = 0; x < this.gridSize; x++) {
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for (let y = 0; y < this.gridSize; y++) {
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if (this.isActiveCell(x, y)) {
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activeCells.push(`${x},${y}`);
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}
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}
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}
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console.log(activeCells.join(';'));
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}
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getCurrentGridState() {
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const activeCells = [];
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for (let x = 0; x < this.gridSize; x++) {
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for (let y = 0; y < this.gridSize; y++) {
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if (this.isActiveCell(x, y)) {
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activeCells.push(`${x},${y}`);
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}
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}
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}
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return activeCells.join(';');
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}
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}
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// -----------------------------------------------------------------------------------------------------------------
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const INITIAL_STATE = '11,1;12,1;10,2;9,3;9,4;9,5;10,6;11,7;12,7;2,4;1,5;2,5;18,28;17,28;19,27;20,26;20,25;20,24;19,23;18,22;17,22;27,25;28,24;27,24;11,28;12,28;10,27;9,26;9,25;9,24;10,23;11,22;12,22;2,25;1,24;2,24;18,1;17,1;19,2;20,3;20,4;20,5;19,6;18,7;17,7;27,4;28,5;27,5';
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const GENERATION_INTERVAL = 1000; // 1 seconde
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const DIV_CONTAINER_ID = 'container';
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const BTN_AUTOPLAY_ID = 'autoplay';
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const BTN_NEXT_GEN_ID = 'next-gen';
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const BTN_RESET_ID = 'reset';
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const BTN_GRIDSIZE_ID = 'gridsize';
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const BTN_SAVE_ID = 'save';
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const BTN_LOAD_ID = 'load';
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const GENERATION_VAL_ID = 'generation-value';
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const GRID_SIZE_VAL_ID = 'grid-size-value';
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function computeNextGeneration(gridManager, generation) {
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// incrémenter la valeur de la génération et l'afficher à côté de 'Génération numéro:'
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const nextGrid = [];
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for (let x = 0; x < gridManager.gridSize; x++) {
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const row = [];
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for (let y = 0; y < gridManager.gridSize; y++) {
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const isActive = gridManager.isActiveCell(x, y);
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const numberActiveNeighbourCells = gridManager.getNumberActiveNeighbourCells(x, y);
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if (!isActive) {
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row.push(numberActiveNeighbourCells === 3 ? true : false);
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} else {
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row.push(numberActiveNeighbourCells === 2 || numberActiveNeighbourCells === 3 ? true : false);
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}
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}
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nextGrid.push(row);
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}
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for (let x = 0; x < nextGrid.length; x++) {
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for (let y = 0; y < nextGrid[x].length; y++) {
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nextGrid[x][y] ? gridManager.activeCell(x,y) : gridManager.deactiveCell(x,y);
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}
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}
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generation++;
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document.getElementById(GENERATION_VAL_ID).textContent = generation;
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gridManager.logCurrentGridState();
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return generation;
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}
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// Fonction principale du jeu
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function main() {
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let autoplayInterval;
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let gridSize = 30;
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let generation = 0;
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let generationInterval = GENERATION_INTERVAL;
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let gridManager = new GridManager(gridSize, DIV_CONTAINER_ID);
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gridManager.setInitialState(INITIAL_STATE);
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document.getElementById(GRID_SIZE_VAL_ID).textContent = gridSize;
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document.getElementById(GENERATION_VAL_ID).textContent = generation;
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document.getElementById(BTN_SAVE_ID).addEventListener('click', () => {
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if (gridManager) {
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gridState = gridManager.getCurrentGridState();
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localStorage.setItem("gridState", gridState);
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localStorage.setItem("generation", generation);
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}
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});
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document.getElementById(BTN_LOAD_ID).addEventListener('click', () => {
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if (gridManager) {
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gridState = localStorage.getItem("gridState");
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if (gridState != null) {
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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}
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gridManager.destroyGrid();
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gridManager = new GridManager(gridSize, DIV_CONTAINER_ID);
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gridManager.setInitialState(gridState);
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document.getElementById(GENERATION_VAL_ID).textContent = localStorage.getItem("generation");
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}
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}
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});
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// Lorsqu'un utilisateur clique sur 'Auto Play'
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document.getElementById(BTN_AUTOPLAY_ID).addEventListener('click', () => {
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if (autoplayInterval) {
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return;
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}
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autoplayInterval = setInterval(() => {
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generation = computeNextGeneration(gridManager, generation);
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}, generationInterval);
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});
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// Lorsqu'un utilisateur clique sur 'Prochaine Génération'
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document.getElementById(BTN_NEXT_GEN_ID).addEventListener('click', () => {
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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}
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generation = computeNextGeneration(gridManager, generation);
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});
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document.getElementById(BTN_RESET_ID).addEventListener('click', () => {
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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}
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generation = 0;
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document.getElementById(GENERATION_VAL_ID).textContent = generation;
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gridManager.destroyGrid();
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gridManager = new GridManager(gridSize, DIV_CONTAINER_ID);
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gridManager.setInitialState(INITIAL_STATE);
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});
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document.getElementById(BTN_GRIDSIZE_ID).addEventListener('click', () => {
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let new_size = prompt("Nouvelle taille :");
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if (new_size != null) {
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let new_size_int = parseInt(new_size);
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if (new_size_int != NaN && new_size_int >= 30) {
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gridSize = new_size_int;
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document.getElementById(GRID_SIZE_VAL_ID).textContent = new_size_int;
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document.getElementById(BTN_RESET_ID).click();
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}
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}
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});
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document.getElementById("x1").addEventListener('click', () => {
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generationInterval = GENERATION_INTERVAL;
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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document.getElementById(BTN_AUTOPLAY_ID).click();
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}
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});
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document.getElementById("x2").addEventListener('click', () => {
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generationInterval = GENERATION_INTERVAL / 2;
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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document.getElementById(BTN_AUTOPLAY_ID).click();
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}
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});
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document.getElementById("x10").addEventListener('click', () => {
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generationInterval = GENERATION_INTERVAL / 10;
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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document.getElementById(BTN_AUTOPLAY_ID).click();
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}
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});
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document.getElementById("x100").addEventListener('click', () => {
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generationInterval = GENERATION_INTERVAL / 100;
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if (autoplayInterval) {
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clearInterval(autoplayInterval);
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autoplayInterval = null;
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document.getElementById(BTN_AUTOPLAY_ID).click();
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}
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});
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}
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// Le jeu est démarré ici
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main();
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