things!

entities/player.js

@@ -14,7 +14,7 @@ var special = bs.component('player')
  var y = this.game.height / 60
 
  var def = new b2BodyDef
- def.position = new b2Vec2(x, y)
+ def.position = new b2Vec2(0, 0)
  def.type = b2Body.b2_dynamicBody
  def.userData = null
  def.fixedRotation = true

game-instance.js

@@ -0,0 +1,9 @@
+var createGame = require('./game')
+var canvas = document.getElementById('main')
+
+canvas.width = 800
+canvas.height = 600
+
+module.exports = createGame(canvas)
+
+document.body.appendChild(canvas)

game.js

@@ -93,4 +93,6 @@ Game.prototype.draw = function() {
 
  ctx.fillStyle = '#0f0'
  ctx.fillRect(mousex - 3, mousey - 3, 6, 6)
+
+ this.camera.draw()
 }

lib/camera.js

@@ -13,9 +13,14 @@ function Camera(game, field) {
  this.target = this.pos.slice(0)
 }
 
-var temp = []
+Camera.prototype.draw = function() {
+ this.target[0] = this.game.player.b2Pos.x * 30 - this.game.width / 2
+ this.target[1] = this.game.player.b2Pos.y * 30 - this.game.height / 2
+ lerp(this.pos, this.pos, this.target, 0.01)
+}
+
+var temp = [0,0]
 Camera.prototype.tick = function() {
- lerp(this.target, this.pos, this.target, 0.01)
  temp[0] = round(this.target[0] / this.shape[0])
  temp[1] = round(this.target[1] / this.shape[1])
  this.field.move(temp)

lib/field.js

@@ -15,7 +15,15 @@ function Field(game) {
  , getter: function(position, done) {
  var shape = this.shape
  process.nextTick(function() {
- return done(null, cave(zero(shape))(10))
+ var ndarray = cave(zero(shape))(10)
+ for (var i = 0; i < 15; i += 1) {
+ ndarray.set(
+ (Math.random() * shape[0])|0
+ , (Math.random() * shape[1])|0
+ , 0
+ )
+ }
+ return done(null, ndarray)
  })
  }
  })