almost fun maybe

components/enemy.js

@@ -34,9 +34,10 @@ module.exports = function(
       }
     ))
     .use(require('../components/harmful')(true))
+    .use(require('../components/target-player')(speed))
     .use(shapes)
 
   function shapes(def) {
-    return require('../components/draw-circle')(size * 15, '#00f')(def)
+    return require('../components/draw-circle')(size * 15, '#EB3E38')(def)
   }
 }

components/target-player.js

@@ -0,0 +1,21 @@
+var b2Vec2 = require('box2dweb-commonjs').Box2D.Common.Math.b2Vec2
+var bs = require('bindlestiff')
+
+module.exports = targetPlayer
+
+function targetPlayer(speed) {
+  var tempVec = new b2Vec2
+  return bs.component('target-player')
+    .needs('attached')
+    .needs('body')
+    .on('tick', function() {
+      var tx = this.game.player.body.m_xf.position.x
+      var ty = this.game.player.body.m_xf.position.y
+      var cx = this.body.m_xf.position.x
+      var cy = this.body.m_xf.position.y
+      var a = Math.atan2(ty - cy, tx - cx)
+      tempVec.x = Math.cos(a) * speed
+      tempVec.y = Math.sin(a) * speed
+      this.body.ApplyImpulse(tempVec, this.body.GetWorldCenter())
+    })
+}

entities/player.js

@@ -139,7 +139,7 @@ module.exports = bs.define()
   .use(require('../components/gravity'))
 
 module.exports.prototype.fireBullet = function() {
-  this.shootTimer = 10
+  this.shootTimer = 5
   var bullet = new Bullet
   var tx = this.game.mouse.x - this.game.width / 2
   var ty = this.game.mouse.y - this.game.height / 2

lib/spawner.js

@@ -3,13 +3,17 @@ module.exports = Spawner
 function Spawner(game) {
   if (!(this instanceof Spawner)) return new Spawner(game)
 
-  var Enemy = require('../components/enemy')(2, 2, 0, 0).tag('spawned')
+  var frequency = 3
+  var speed = 0.25
+
+  var EnemyGenerator = require('../components/enemy')
   var b2Vec2 = require('box2dweb-commonjs').Box2D.Common.Math.b2Vec2
 
   game.field.grid.on('created', function(chunk) {
+    var Enemy = EnemyGenerator(2.1, speed, 0, 0).tag('spawned')
     var x = chunk.position[0] * chunk.shape[0]
     var y = chunk.position[1] * chunk.shape[1]
-    for (var i = 0; i < 10; i += 1) {
+    for (var i = 0; i < frequency; i += 1) {
       var ex = Math.random() * 30
       var ey = Math.random() * 30
       if (chunk.get(ex|0, ey|0)) {