thomas

TP1/EX4/gameoflife.js

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+class GameOfLife {
+  constructor(width, height) {
+    this.width = width;
+    this.height = height;
+    this.grid = new Array(height).fill(null).map(() => new Array(width).fill(0));
+  }
+
+  // Initialise la grille avec l'état de départ
+  setInitialState(initialStateString) {
+    this.grid = new Array(this.height).fill(null).map(() => new Array(this.width).fill(0));
+    const liveCells = initialStateString.split(';').map(cell => cell.split(','));
+    liveCells.forEach(([x, y]) => {
+      const cellX = parseInt(x);
+      const cellY = parseInt(y);
+      if (cellX >= 0 && cellX < this.width && cellY >= 0 && cellY < this.height) {
+        this.grid[cellY][cellX] = 1;
+      }
+    });
+  }
+
+  // Calcule le nombre de voisins vivants d'une cellule
+  getNumberActiveNeighbourCells(x, y) {
+    let count = 0;
+    for (let i = -1; i <= 1; i++) {
+      for (let j = -1; j <= 1; j++) {
+        if (i === 0 && j === 0) continue;
+
+        const neighborX = x + j;
+        const neighborY = y + i;
+
+        if (neighborX >= 0 && neighborX < this.width && neighborY >= 0 && neighborY < this.height) {
+          count += this.grid[neighborY][neighborX];
+        }
+      }
+    }
+    return count;
+  }
+
+  // Calcule la génération suivante
+  computeNextGeneration() {
+    const nextGrid = new Array(this.height).fill(null).map(() => new Array(this.width).fill(0));
+
+    for (let y = 0; y < this.height; y++) {
+      for (let x = 0; x < this.width; x++) {
+        const liveNeighbors = this.getNumberActiveNeighbourCells(x, y);
+        const cellState = this.grid[y][x];
+
+        if (cellState === 1) {
+          // Règle 2 : Cellule vivante
+          if (liveNeighbors === 2 || liveNeighbors === 3) {
+            nextGrid[y][x] = 1;
+          }
+        } else {
+          // Règle 1 : Cellule morte
+          if (liveNeighbors === 3) {
+            nextGrid[y][x] = 1;
+          }
+        }
+      }
+    }
+    this.grid = nextGrid;
+  }
+}