more tweaks

mix.exs

@@ -3,7 +3,7 @@ defmodule Grains.Mixfile do
 
   def project do
     [app: :grains,
-     version: "0.0.68",
+     version: "0.0.69",
      elixir: "~> 1.2",
      elixirc_paths: elixirc_paths(Mix.env),
      compilers: [:phoenix, :gettext] ++ Mix.compilers,

web/static/js/presencesketch.js

@@ -20,7 +20,7 @@ function Boid(p, x, y, type) {
   this.maxspeed = 3;    // Maximum speed
   this.maxforce = 0.05; // Maximum steering force
   this.type = type;
-  this.separation_f = 2.5;
+  this.separation_f = 2.0;
   this.alignment_f = 1.0;
   this.cohesion_f = 2.0;
   this.spin = parseInt(this.p.random(-50, 50));
@@ -111,11 +111,10 @@ Boid.prototype.render = function() {
 
 // Wraparound
 Boid.prototype.borders = function() {
-  let jitter = this.p.random(0.9, 1.1);
-  if (this.position.x < -this.r) this.velocity.x = -this.velocity.x * jitter;
-  if (this.position.y < -this.r) this.velocity.y = -this.velocity.y * jitter;
-  if (this.position.x > PresenceSketch.width + this.r) this.velocity.x = -this.velocity.x * jitter;
-  if (this.position.y > PresenceSketch.height + this.r) this.velocity.y = -this.velocity.y * jitter;
+  if (this.position.x < -this.radius) this.velocity.x = -this.velocity.x;
+  if (this.position.y < -this.radius) this.velocity.y = -this.velocity.y;
+  if (this.position.x > PresenceSketch.width + this.radius) this.velocity.x = -this.velocity.x;
+  if (this.position.y > PresenceSketch.height + this.radius) this.velocity.y = -this.velocity.y;
 };
 
 // Separation
@@ -188,7 +187,7 @@ Boid.prototype.align = function(boids) {
 // For the average location (i.e. center) of all nearby boids, calculate steering vector towards that location
 Boid.prototype.cohesion = function(boids) {
   let that = this;
-  var neighbordist = 150;
+  var neighbordist = 250;
   var sum = this.p.createVector(0, 0); // Start with empty vector to accumulate all locations
   var count = 0;
   _.each(boids, function(boid) {
@@ -266,7 +265,7 @@ function Master(p, x, y, type) {
   this.master = true;
   this.radius = 48;
   this.type = type;
-  this.cohesion_f = 6;
+  this.cohesion_f = 2;
   this.separation_f = 1;
   this.alignment_f = 2;