Added legend to RPN

1 files changed, 7 insertions, 1 deletions

diff --git a/js/complexfunctions.js b/js/complexfunctions.js
index f71c23b..9703b5d 100644
--- a/js/complexfunctions.js
+++ b/js/complexfunctions.js
@@ -79,7 +79,7 @@ function draw()
 
 function makeCanvas(w, h)
 {
-    $("#canvas").html();
+    $("#canvas").html("");
     var canvas = createCanvas(w, h);
     canvas.parent("canvas");
     domainPoints = [];
@@ -104,8 +104,14 @@ $(function()
         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]);
+            $("#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>");
+        }
         drawFuncs(funcs);
     });
     $(".form-control").keydown(function(e)