finally, now multiplayer

game.js

@@ -3,19 +3,30 @@ import GameBasic from "./common/game_basic.js";
 class Game extends GameBasic {
     constructor() {
         super();
-    }
-    createPlayer(user) {
-        
+        this.ws = [];
     }
     sync() {
-        
+        let { entities } = this;
+        let entList = [];
+        for (let entity of entities) {
+            let { pos, vel, rot, dir, health, headCount, you, camera } = entity;
+            entList.push({ pos, vel, rot, dir, health, headCount, you, camera });
+        }
+
+        if (entList.length == 0) return;
+
+        for (let client of this.ws) {
+            if (!client.active) continue;
+            client.send(JSON.stringify(entList));
+        }
     }
     init() {
         super.init();
 
         let that = this;
+        that.entities = [];
 
-        setInterval(function () { that.sync() }, 1000 / 10);
+        setInterval(function () { that.sync() }, 1000 / 20);
     }
 }