diff --git a/example/index.js b/example/index.js
index dd4837f..eb5c9b2 100644
--- a/example/index.js
+++ b/example/index.js
@@ -1,6 +1,14 @@
 const lib = require('textvox3d');
 
-function caliblrateViewportDimensions(camera, d, cubeSize) {
+/**
+ * Calculate viewport dimensions.
+ *
+ * @param {object} camera - The camera object.
+ * @param {number} d - Distance.
+ * @param {number} cubeSize - The size of the cube.
+ * @return {object} - Object containing the width and height of the viewport.
+ */
+function calibrateViewportDimensions(camera, d, cubeSize) {
   const focalLength = camera.fl;
   const viewportHeight = 2 * cubeSize;
   const viewportWidth = (viewportHeight * d) / focalLength;
@@ -10,31 +18,37 @@ function caliblrateViewportDimensions(camera, d, cubeSize) {
 
 const f = 0;
 const camera = new lib.camera(55, 10, [7, -7, 5], [64, 0, 47]);
-const viewport = new lib.viewport(process.stdout.columns, process.stdout.rows-1);
+const viewport = new lib.viewport(process.stdout.columns, process.stdout.rows - 1);
 
 const cubeMesh = lib.getMesh('cube');
-const cube = new lib.item(cubeMesh, [0, 0, 0]/* pos*/, [0, 0, 0]/* rot*/, [2, 2, 2]/* scale*/);
+const cube = new lib.item(cubeMesh, [0, 0, 0]/* pos */, [0, 0, 0]/* rot */, [2, 2, 2]/* scale */);
 // console.log(`Cube mesh: points: ${cubeMesh.points}, edges: ${cubeMesh.edges}`);
 
 // console.log(`Columns: ${process.stdout.columns}, Rows: ${process.stdout.rows}`);
 
+/**
+ * Function to test the viewport.
+ */
 function viewportTest() {
-  let i=0;
-  while (i<viewport.height) {
-    if (i==0) {
-      const a = lib.repeatStringNumTimes('0', (viewport.width-(f.toString().length + 2)));
+  let i = 0;
+  while (i < viewport.height) {
+    if (i === 0) {
+      const a = lib.repeatStringNumTimes('0', (viewport.width - (f.toString().length + 2)));
       console.log(`${a}f=${f}`);
     } else {
       console.log('0');
     }
     i++;
   }
-};
+}
 
+/**
+ * Function to update the frame.
+ */
 function frame() {
   viewportTest();
-  fn++;
+  f++;
 }
 
-// frame();
+frame();
 // setInterval(frame, 50)
diff --git a/index.js b/index.js
index 1c9f379..65d3195 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,10 @@
+/**
+ * Repeats a string an amount of times - For developers
+ *
+ * @param {string} string - The string to be repeated
+ * @param {number} times - How many times to repeat the string
+ * @return {string} - Returns the string repeated n times
+ */
 exports.repeatStringNumTimes = function repeatStringNumTimes(string, times) {
   let repeatedString = '';
   while (times > 0) {
@@ -6,21 +13,28 @@ exports.repeatStringNumTimes = function repeatStringNumTimes(string, times) {
   }
   return repeatedString;
 };
-exports.mesh = class mesh {
+/**
+ * A class for generating a mesh
+ *
+ * @param {Array<Array<number>>} points - A list of all the points
+ * @param {Array<Array<number>>} edges - A list of all the edges
+ * @param {Array<Array<number>>} faces - A list of all the faces
+ */
+exports.Mesh = class Mesh {
   constructor(points, edges, faces) {
     this.points = points;
     this.edges = edges;
     this.faces = faces;
   }
 };
-exports.item = class item {
+exports.GameObject = class GameObject {
   constructor(mesh, pos, rot) {
     this.mesh = mesh;
     this.pos = pos;
     this.rot = rot;
   }
 };
-exports.camera = class camera {
+exports.Camera = class Camera {
   constructor(fov, samples, pos, rot) {
     this.fov = fov;
     this.samples = samples;
@@ -28,13 +42,13 @@ exports.camera = class camera {
     this.rot = rot;
   }
 };
-exports.viewport = class viewport {
+exports.Viewport = class Viewport {
   constructor(width, height) {
     this.width = width;
     this.height = height;
   }
 };
-exports.getMesh = function getMesh(meshName) {
+exports.GetMesh = function getMesh(meshName) {
   switch (meshName) {
     case 'cube':
       return {'points': [[1, 1, 1], [-1, 1, 1], [-1, -1, 1], [1, -1, 1], [1, -1, -1], [1, 1, -1], [-1, -1, -1], [-1, 1, -1]], 'edges': [[0, 1], [0, 5], [0, 3], [1, 2], [1, 7], [2, 3], [2, 6], [3, 4], [4, 5], [4, 6], [5, 7], [7, 6]], 'faces': [[1, 3, 5, 2], [2, 8, 3, 7], [7, 5, 9, 6], [0, 4, 1, 10], [3, 4, 6, 11]]};