Simple falling sand game
Created
November 6, 2023 08:26
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Simple Falling Sand Game
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| // Initialisation du canvas | |
| const canvas = document.getElementById("canvas"); | |
| const ctx = canvas.getContext("2d"); | |
| const width = 100; | |
| const height = 100; | |
| const cellSize = 5; | |
| // Tableau 2D pour stocker l'état | |
| let grid = Array.from(Array(height), () => Array(width).fill(0)); | |
| // Remplir quelques cellules avec du "sable" (représenté par 1) | |
| grid[10][10] = 1; | |
| grid[10][11] = 1; | |
| let painting = false; | |
| canvas.addEventListener("mousedown", () => { | |
| painting = true; | |
| }); | |
| canvas.addEventListener("mouseup", () => { | |
| painting = false; | |
| }); | |
| canvas.addEventListener("mousemove", drawSand); | |
| function drawSand(event) { | |
| if (!painting) return; | |
| // Obtenir les coordonnées de la souris | |
| const rect = canvas.getBoundingClientRect(); | |
| const x = event.clientX - rect.left; | |
| const y = event.clientY - rect.top; | |
| // Convertir en indices de tableau | |
| const gridX = Math.floor(x / cellSize); | |
| const gridY = Math.floor(y / cellSize); | |
| // Vérifier les limites | |
| if (gridX >= 0 && gridX < width && gridY >= 0 && gridY < height) { | |
| // Dessiner du sable | |
| grid[gridY][gridX] = 1; | |
| } | |
| } | |
| // Fonction de mise à jour | |
| function update() { | |
| for (let y = height - 2; y >= 0; y--) { // On commence de la seconde ligne du bas pour éviter de sortir de la grille | |
| for (let x = 0; x < width; x++) { | |
| if (grid[y][x] === 1) { | |
| if (y + 1 < height && grid[y + 1][x] === 0) { // Vérification des limites ajoutée ici | |
| // Déplacer le sable vers le bas | |
| grid[y + 1][x] = 1; | |
| grid[y][x] = 0; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| // Fonction de rendu | |
| function draw() { | |
| ctx.clearRect(0, 0, width * cellSize, height * cellSize); | |
| for (let y = 0; y < height; y++) { | |
| for (let x = 0; x < width; x++) { | |
| if (grid[y][x] === 1) { | |
| ctx.fillStyle = "#DAA520"; // couleur du sable | |
| ctx.fillRect(x * cellSize, y * cellSize, cellSize, cellSize); | |
| } | |
| } | |
| } | |
| } | |
| // Boucle principale | |
| function loop() { | |
| update(); | |
| draw(); | |
| requestAnimationFrame(loop); | |
| } | |
| // Démarrer la boucle | |
| loop(); |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Title</title> | |
| <link rel="stylesheet" href="style.css"> | |
| </head> | |
| <body> | |
| <div id="header"> | |
| <div id="message"> | |
| </div> | |
| </div> | |
| <canvas id="canvas" width="500" height="500"></canvas> | |
| <script src="game.js"></script> | |
| </body> | |
| </html> |
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