From 9956f6b1d0ca896c0b775353208855cb2d6adf10 Mon Sep 17 00:00:00 2001
From: pommicket <leonardomtenenbaum@gmail.com>
Date: Sun, 16 Oct 2016 16:14:58 -0400
Subject: Added immediately display button & maximum brightness of function
 color to RPN

---
 complexfunctions.html  |  9 +++++++++
 js/complexfunctions.js | 15 +++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/complexfunctions.html b/complexfunctions.html
index a5e7a3b..dc52a23 100644
--- a/complexfunctions.html
+++ b/complexfunctions.html
@@ -52,6 +52,15 @@ Graph complex functions (C->C)
                 </div>
             </div>
             <br>
+            <div class="container-fluid row">
+    			<div class="input-group input-group-md col-lg-3 col-md-6 col-sm-8 col-xs-10">
+                    <span class="input-group-addon">
+                        <input id="display" class="checkbox" type="checkbox">
+                    </span>
+                    <span class="form-control">Immediately display result (no animation).</span>
+                </div>
+            </div>
+            <br>
             <button id="animate" class="btn btn-default">Animate</button>
             <div id="canvas"></div>
             <div id="legend"></div>
diff --git a/js/complexfunctions.js b/js/complexfunctions.js
index 9703b5d..688eea0 100644
--- a/js/complexfunctions.js
+++ b/js/complexfunctions.js
@@ -94,20 +94,27 @@ function makeCanvas(w, h)
     drawPoints(domainPoints);
 }
 
+function randColor()
+{
+    var r = Math.random() * 255;
+    var g = Math.random() * 255;
+    var b = Math.random() * 255;
+    return (r + g + b) / 3 > 150 ? randColor() : [r, g, b];
+}
 
 $(function()
 {
     $("#animate").click(function()
     {
         makeCanvas(parseInt($("#width").val()), parseInt($("#height").val()));
-        t = 0;
+        t = $("#display").prop("checked") ? 1 : 0;
         animating = false;
         var funcs = $("#function").val().split(",");
         colors = [];
         $("#legend").html("");
         for (var i = 0; i < funcs.length; i++)
         {
-            colors.push([Math.random() * 255, Math.random() * 255, Math.random() * 255]);
+            colors.push(randColor());
             $("#legend").append("<div><span style='display: inline-block; background: rgb("
                                 + Math.floor(colors[i][0])  + ", " + Math.floor(colors[i][1]) + ", " + Math.floor(colors[i][2])
                                 + "); width: 10px; height: 10px;'></span> " + funcs[i] + "</div>");
@@ -119,4 +126,8 @@ $(function()
         if (e.keyCode == 13)
             $("#animate").click();
     });
+    $("#display").click(function()
+    {
+        $("#animate").html($("#display").prop("checked") ? "Display" : "Animate");
+    });
 });
-- 
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