Tune acceleration threshold

mix.exs

@@ -3,7 +3,7 @@ defmodule Grains.Mixfile do
 
   def project do
     [app: :grains,
-     version: "0.0.50",
+     version: "0.0.51",
      elixir: "~> 1.2",
      elixirc_paths: elixirc_paths(Mix.env),
      compilers: [:phoenix, :gettext] ++ Mix.compilers,

web/static/js/acceleration.js

@@ -7,7 +7,7 @@ let AccelerationPanel = {
 
     sliders: {},
     slider_titles: ["z"],
-    old_values: [0,0,0],
+    old_values: [0],
 
     init(socket, domId) {
 
@@ -36,7 +36,7 @@ let AccelerationPanel = {
         console.log("adding acceleration");
         this.orientation = new Interface.Accelerometer({
           onvaluechange: function(_x, _y,z) {
-              that.sliders['z'].setValue(z);
+            that.sliders['z'].setValue(z);
 
             that.send_value([z]);
             }

web/static/js/presencesketch.js

@@ -16,12 +16,10 @@ function Boid(p, x, y) {
   this.maxforce = 0.05; // Maximum steering force
 };
 
-Boid.prototype.set_velocity = function(dx, dy) {
-  this.velocity = this.p.createVector(dx, dy);
-};
-
 Boid.prototype.set_acceleration = function(z) {
-  this.radius = 32;
+  if (Math.abs(z) > 0.5) {
+    this.radius = 32;
+  }
 };