patch notes in n-gon

you can view the patch notes for the last few commits from the game menu
  this uses the github API, so it might have some delay

overfill mods add energy instead of setting energy to a value

bug - blocks in vertical portals can get stuck inside the portals
  fixed, but only for one portal... oh well

mobs that make a scrap bot, don't leave a block body anymore

js/index.js

@@ -959,6 +959,48 @@ document.getElementById("difficulty-select").addEventListener("input", () => {
     localStorage.setItem("localSettings", JSON.stringify(localSettings)); //update local storage
 });
 
+
+
+document.getElementById("updates").addEventListener("toggle", function() {
+
+
+    function loadJSON(path, success, error) { //generic function to get JSON
+        var xhr = new XMLHttpRequest();
+        xhr.onreadystatechange = function() {
+            if (xhr.readyState === XMLHttpRequest.DONE) {
+                if (xhr.status === 200) {
+                    if (success)
+                        success(JSON.parse(xhr.responseText));
+                } else {
+                    if (error)
+                        error(xhr);
+                }
+            }
+        };
+        xhr.open("GET", path, true);
+        xhr.send();
+    }
+    let text = `<strong>n-gon</strong>: <a href="https://github.com/landgreen/n-gon/blob/master/todo.txt">todo list</a> and complete <a href="https://github.com/landgreen/n-gon/commits/master">change-log</a><hr>`
+    document.getElementById("updates-div").innerHTML = text
+
+    ///  https://api.github.com/repos/landgreen/n-gon/stats/commit_activity
+    loadJSON('https://api.github.com/repos/landgreen/n-gon/commits',
+        function(data) {
+            // console.log(data)
+            for (let i = 0, len = 4; i < len; i++) {
+                text += data[i].commit.author.date.substr(0, 10) + ": "; //+ "<br>"
+                text += data[i].commit.message
+                if (i < len - 1) text += "<hr>"
+            }
+            document.getElementById("updates-div").innerHTML = text.replace(/\n/g, "<br />")
+            console.log(text)
+        },
+        function(xhr) {
+            console.error(xhr);
+        }
+    );
+})
+
 //**********************************************************************
 // main loop 
 //**********************************************************************