expanding map

common/player.js

@@ -1,8 +1,8 @@
 import { distF, uuidv4 } from './util.js'
 
 class Player {
-    constructor(you, isPlayer) {
-        let pos = { x: Math.random() * 1000 - 50, y: Math.random() * 1000 - 50 };
+    constructor(you, isPlayer, game = false) {
+        let pos = { x: (Math.random() - 0.5) * (game ? game.width : 1000), y:(Math.random() - 0.5) * (game ? game.height : 1000) };
         let camera = { x: -pos.x, y: -pos.y };
         let vel = { x: 0, y: 0 };
 

game.js

@@ -7,6 +7,13 @@ class Game extends GameBasic {
         this.ws = [];
     }
     sync(full = false) {
+        let onScreen = this.entities.filter(x => x && x.health > 0).length;
+
+        onScreen += 4;
+
+        this.width = (this.width * 0.99) + (Math.sqrt(onScreen) * 16);
+        this.height = (this.height * 0.99) + (Math.sqrt(onScreen) * 16);
+
         let { entities } = this;
         let entList = [];
         for (let entity of entities) {
@@ -40,6 +47,8 @@ class Game extends GameBasic {
                 return props.map(prop => x[prop]);
             });
 
+            filtered.push([this.width,this.height])
+
             client.send(JSON.stringify(filtered));
 
             wsEnt.isYou = false;

index.js

@@ -17,7 +17,7 @@ app.use(express.static('./static'));
 
 app.ws('/', function (ws, req) {
     game.ws.push(ws);
-    let player = new Player();
+    let player = new Player(false, true, game);
     let playerI = game.entities.length;
     game.entities[playerI] = player;
 

static/js/index.js

@@ -147,7 +147,13 @@ class Game extends GameBasic {
         let that = this;
 
         let entList = JSON.parse(data);
-        entList = entList.map(y => {
+        entList = entList.map((y, i) => {
+            if (i == entList.length - 1) {
+                that.width = y[0];
+                that.height = y[1];
+                return undefined;
+            }
+
             let type = (Object.keys(legalTypes).indexOf(y[0]) == -1) ? Player : legalTypes[y[0]];
 
             let props = new type().serverProps;
@@ -176,11 +182,13 @@ class Game extends GameBasic {
             return x;
         })
 
-        let matchingPlayer = entList.filter(x => x.you == you)
+        entList = entList.filter(x => x);
+
+        let matchingPlayer = entList.filter(x => x && x.you == you)
 
 
         if (matchingPlayer.length == 0) {
-            matchingPlayer = entList.filter(x => x.isYou);
+            matchingPlayer = entList.filter(x => x && x.isYou);
         }
 
         this.player = Object.assign(this.player || new Player(false, false), matchingPlayer[0]);