add enemy

common/entity.js

@@ -10,13 +10,19 @@ class Entity {
         let ent = this;
         let { width, height } = game;
 
+        let bounced = false;
+
         if (Math.abs(ent.pos.x) >= width / 2) {
             ent.vel.x = (Math.abs(ent.vel.x) + 10) * -Math.sign(ent.pos.x);
+            bounced = true;
         }
 
         if (Math.abs(ent.pos.y) >= height / 2) {
             ent.vel.y = (Math.abs(ent.vel.y) + 10) * -Math.sign(ent.pos.y);
+            bounced = true;
         }
+
+        return bounced;
     }
 }
 

common/player.js

@@ -93,6 +93,11 @@ class Player extends Entity {
                     ent.isMenu = true;
                     ent.rot = 1.2;
                 }
+
+                if (target.type == 'Shooter') {
+                    this.health = 0;
+                }
+
                 if (target.immortal) continue;
 
                 let oldHealth = target.health

common/shooter.js

@@ -0,0 +1,38 @@
+import { distF, uuidv4 } from './util.js'
+import Entity from "./entity.js";
+
+class Shooter extends Entity {
+    constructor(you, game = false) {
+        super(game);
+
+        this.you = you || uuidv4();
+
+        this.type = 'Shooter';
+
+        this.immortal = true;
+
+        this.serverProps = [
+            'type', 'pos', 'vel', 'you', 'immortal', 'dir'
+        ];
+
+        this.dir = Math.random() * 696969;
+    }
+    handleTick(game) {
+        this.ticks++;
+
+        this.vel.x += Math.sin(this.dir) * 1;
+        this.vel.y += Math.cos(this.dir) * 1;
+
+        this.vel.x *= 0.9;
+        this.vel.y *= 0.9;
+
+        this.pos.x += this.vel.x;
+        this.pos.y += this.vel.y;
+
+        if (this.bounce(game)) {
+            this.dir = Math.random() * 696969;
+        }
+    }
+}
+
+export default Shooter;