implement player kill

client/src/Player.js

@@ -33,8 +33,7 @@ class Player {
 
   grow() {
     this.radius += 0.5;
-    console.log(this.radius % 30);
-    if (this.radius % 30 === 0 && this.imageId <= 5) {
+    if (this.radius % 80 === 0 && this.imageId <= 5) {
       this.imageId += 1;
       this.image.src = `/images/character/${this.imageFolder}/${this.imageFolder}${this.imageId}.png`;
     }

server/index.js

 import express from "express";
 import http from "http";
-import { platform } from "os";
 const app = express();
 const httpServer = http.createServer(app);
 import { Server as IOServer } from "socket.io";
@@ -11,7 +10,7 @@ let users = [];
 
 let sushis = [];
 for (let i = 0; i < 1500; i++) {
-  sushis.push({ x: Math.random(), y: Math.random() });
+  sushis.push({ x: Math.random(), y: Math.random() }); //commit "implement kill Player" et push
 }
 
 //Player function
@@ -23,6 +22,7 @@ function moveTo(player, x, y, canvasWidth, canvasHeight) {
   player.direction.x = directionX / distance;
   player.direction.y = directionY / distance;
 }
+
 function move(player, ctx, mouseX, mouseY, canvasWidth, canvasHeight) {
   if (
     mouseX > canvasWidth / 2 - player.radius &&
@@ -47,6 +47,22 @@ function move(player, ctx, mouseX, mouseY, canvasWidth, canvasHeight) {
   }
 }
 
+function killPlayer(MyPlayer) {
+  users.forEach((player, idx) => {
+    const dx = player.x - MyPlayer.x;
+    const dy = player.y - MyPlayer.y;
+    const distance = Math.sqrt(dx * dx + dy * dy);
+    if (
+      MyPlayer.radius > player.radius &&
+      distance < MyPlayer.radius &&
+      player.id != MyPlayer.id
+    ) {
+      users.splice(idx, 1);
+      player.radius += users[idx].radius;
+    }
+  });
+}
+
 const io = new IOServer(httpServer);
 io.on("connection", (socket) => {
   io.emit("user", socket.id);
@@ -57,17 +73,6 @@ io.on("connection", (socket) => {
     socket.emit("allUsers", { users: users });
   });
 
-  /*socket.on("updateUser", (data) => {
-    for (let i = 0; i < users.length; i++) {
-      if (users[i].id === data.id) {
-        users[i] = data;
-      }
-      users.sort((a, b) => a.radius - b.radius);
-      socket.emit("allUsers", users);
-    }
-  });
-*/
-
   socket.on("userMoveTo", (data) => {
     let player = data.player;
     moveTo(
@@ -90,6 +95,8 @@ io.on("connection", (socket) => {
         users[i] = player;
       }
     }
+    killPlayer(data.player);
+    users.sort((a, b) => a.radius - b.radius);
     socket.emit("allUsers", { users: users, player: player });
   });