orm and profile first implementation

src/functions/tools.js

@@ -2,4 +2,22 @@ module.exports = {
   lvl: function (exp) {
     return Math.floor(Math.sqrt(exp) / 5);
   },
+  expThreshold: function (lvl) {
+    return Math.floor(lvl * lvl * 25);
+  },
+  randomExp: function (min, max) {
+    return Math.floor(Math.random() * (max - min)) + min;
+  },
+  roundRect: function (ctx, x, y, width, height, radius) {
+    if (width < 2 * radius) radius = width / 2;
+    if (height < 2 * radius) radius = height / 2;
+    ctx.beginPath();
+    ctx.moveTo(x + radius, y);
+    ctx.arcTo(x + width, y, x + width, y + height, radius);
+    ctx.arcTo(x + width, y + height, x, y + height, radius);
+    ctx.arcTo(x, y + height, x, y, radius);
+    ctx.arcTo(x, y, x + width, y, radius);
+    ctx.closePath();
+    return ctx;
+  },
 };