1 files changed, 38 insertions, 0 deletions
diff --git a/static/js/upload.js b/static/js/upload.js
index da60c13..0be7ce6 100644
--- a/static/js/upload.js
+++ b/static/js/upload.js
@@ -62,6 +62,44 @@ $(function () {
         xhr.send();
     }
     uploadedFilenameList();
+
+    var matrixRain = function() {
+        var c = document.getElementById("c");
+        c.height = window.innerHeight;
+        c.width = window.innerWidth;
+
+        var drop_size = 12;
+        var columns = c.width / drop_size;
+
+        var chinese = "ムタ二コク1234567890シモラキリエスハヌトユABCDEF";
+        chinese = chinese.split("");
+
+        var drops = [];
+        for (var i = 0; i < columns; i++)
+            drops[i] = 1; //y coordinate - same for everyone at the starting. The index contains the x coordinate
+
+        ctx = c.getContext('2d');
+
+        function draw() {
+            ctx.fillStyle = "rgba(0, 0, 0, 0.05)";
+            ctx.fillRect(0, 0, c.width, c.height);
+
+            ctx.fillStyle = "#0f0";
+            ctx.font = drop_size + "px arial";
+            for (var i = 0; i < drops.length; i++) {
+                text = chinese[Math.floor(Math.random() * chinese.length)];
+                ctx.fillText(text, i * drop_size, drops[i] * drop_size);
+
+                if (drops[i] * drop_size > c.height && Math.random() > 0.975)
+                    drops[i] = 0;
+
+                drops[i]++;
+            }
+
+        }
+        setInterval(draw, 100);
+    }
+    matrixRain();
 });