From 384589e9a2190116897324c27aa91d5680f32631 Mon Sep 17 00:00:00 2001
From: Asif Bacchus <asif@bacchus.cloud>
Date: Wed, 8 Apr 2020 07:21:24 -0600
Subject: [PATCH] add connection and connection density params

---
 js/particles.js | 28 ++++++++++++++++++++++++++--
 1 file changed, 26 insertions(+), 2 deletions(-)

diff --git a/js/particles.js b/js/particles.js
index c881692..e71ab20 100644
--- a/js/particles.js
+++ b/js/particles.js
@@ -114,7 +114,7 @@ function particles(){
         for (let a = 0; a < particlesArray.length; a++){
             for (let b = a; b < particlesArray.length; b++){
                 let distance = ((particlesArray[a].x - particlesArray[b].x) * (particlesArray[a].x - particlesArray[b].x)) + ((particlesArray[a].y - particlesArray[b].y) * (particlesArray[a].y - particlesArray[b].y));
-                if (distance < (canvas.width / 10) * (canvas.height / 10)){
+                if (distance < (canvas.width / connectionDensity) * (canvas.height / connectionDensity)){
                     opacityValue = 1 - (distance / 20000);
                     // change colour on 'hover' if hover = true (default)
                     if(hover){
@@ -154,7 +154,9 @@ function particles(){
         for (let i = 0; i < particlesArray.length; i++){
             particlesArray[i].update();
         }
-        connect();
+        if(connections){
+            connect();
+        }
     }
 
     // resize event
@@ -197,6 +199,28 @@ function particles(){
             console.log("'sizeMultiplier' must be a finite number. Using default of '3'");
         };
 
+        if (typeof connections == 'undefined'){
+            connections = true;
+        }
+        else if (typeof connections === 'boolean'){
+            connections;
+        }
+        else{
+            connections = true;
+            console.log("'connections' must be either 'true' or 'false'. Using default of 'true'");
+        }
+
+        if (typeof connectionDensity == 'undefined'){
+            connectionDensity = 7;
+        }
+        else if (Number.isFinite(connectionDensity) && connectionDensity > 1){
+            connectionDensity;
+        }
+        else{
+            connectionDensity = 7;
+            console.log("'connectionDensity' must be a finite number greater than 1. Using default of '7'");
+        }
+
         if (typeof speed == 'undefined'){
             speed = 50;
         }