 Courses from Alvaro Saburido

### [Check out the full course!](https://egghead.io/courses/create-interactive-3d-experiences-with-tresjs-004057c2)

[![Create Interactive 3D Experiences with TresJS](https://res.cloudinary.com/dg3gyk0gu/image/upload/v1712681681/course-resources/create-interactive-3d-experiences-with-tresjs-004057c2/email_2x.png)](https://egghead.io/courses/create-interactive-3d-experiences-with-tresjs-004057c2)

TresJS is a Vue custom renderer for ThreeJS that allows you to create 3D scenes declarative by using Vue components and composables.

Using vanilla ThreeJS can be intimidating for new developers, and code can get spaghetti :spaghetti: really quickly making the DX often unpleasant. TresJS aims to reduce this gap by offering users a way of building interactive 3D scenes with a familiar workflow using their favorite framework.

In this tip, we are going to learn how to use the TresJS starter with ViteJS:

- Creating a new scene from scratch with TresCanvas
- Add an object with its geometry and material
- Transform objects using position, rotation, scale
- Animate objects using Vue template refs and useRenderLoop composable


[Check out TresJS here](https://tresjs.org/)

3D Scene with Vue using TresJS

In this tip, we are going to learn how to use the TresJS starter with ViteJS

Vue (pronounced /vjuː/, like view) is a progressive framework for building user interfaces. Unlike other monolithic frameworks, Vue is designed from the ground up to be incrementally adoptable. The core library is focused on the view layer only, and is very easy to pick up and integrate with other libraries or existing projects. On the other hand, Vue is also perfectly capable of powering sophisticated Single-Page Applications when used in combination with modern tooling and supporting libraries.

There are several components from the `@tresjs/cientos` that you can use to enhance your **TresJS 3D scenes**.

- `ContactShadows` for performant fake shadows
- Wrap models with `Levioso` for subtle floating animations
- Add real HTML markup to your animations with `HTML`

Using these abstractions from `@tresjs/cientos`, you can create polished **3D experiences**.

Enhance Your TresJS Scenes with the @tresjs/cientos Package

In this **TresJS** lesson you will see how to connect a 3D model to your application state. You'll learn to:

- Access your model's material colors using the `materials` property from `useGLTF`
- Use Vue's `watch` function to update the model's colors when the user changes the selection in the UI

This allows you to create an interactive 3D experience that responds to user input.

Connect a TresJS Model with Vue State

In this lesson, you'll learn how to create a reactive color selector in Vue using the `useState` composable function. We'll cover:

- Creating a shared state that contains base colors and a selected base color
- Using the `toRefs` utility to convert reactive properties to refs
- Importing and using the `useState` composable in components
- Iterating through colors to create buttons
- Assigning click event handlers to update the selected color reactively

Create a Reactive Color Selector in Vue with useState

In this **TresJS** tutorial, we'll explore how to find and use free 3D models in GLTF format from sites like:

- [poly.pizza](https://poly.pizza/)
- [Sketchfab](https://sketchfab.com/)
- [pmndrs Market](https://market.pmnd.rs/)

We'll then cover using the `useGLTF` composable from `drei-sfc` to load models asynchronously, handling it gracefully with Vue's `<Suspense>` component. 

Once loaded, you will see how to explore the object and get the model node you're looking for. Then, you'll pass that node to the Vue `primitive` component's `:object` prop to render the model. 

By the end of the lesson, you'll be ready to start adding awesome 3D models to your own TresJS projects!

Load Models with useGLTF and the TresJS primitive Component

This is an overview of the [TresJS project template](https://github.com/alvarosabu/egghead-tres-3D-product-configurator/tree/main/lessons/starter).

The template is styled with the atomic CSS framework, [UnoCSS](https://unocss.dev), and comes with a default TresJS scene setup, including:

- a perspective camera
- ambient light
- directional light

There is also a color selector initially implemented using an array of colors and a `ref` variable for the selected color. Each color is rendered as a circle. 

Project Overview of the TresJS Product Template

In this **TresJS** lesson you will learn how to use `OrbitControls` from the [@tresjs/cientos](https://cientos.tresjs.org/) package to add interactivity to your scenes by:

- Importing `OrbitControls`
- Adding it below your `TresPerspectiveCamera` component

The `@tresjs/cientos` package is part of the TresJS ecosystem and provides useful abstractions and composables to extend the core framework. 


Use OrbitControls to Interact with your TresJS Scene

In this **TresJS** lesson, we explore how to animate 3D objects in a scene using the render loop. 

We'll cover:

- Using the `useRenderLoop` composable and `onLoop` callback to run code every frame
- Creating refs with `useRef` to reference and modify 3D object properties like position and rotation
- Handling varying device frame rates with `delta` or `elapsed` time for consistent animation speed

By the end of the video, you'll be ready to create smooth animations in your own TresJS scenes.

Animate TresJS Objects with the useRenderLoop Composable

In this **TresJS** lesson, you'll learn how to **enable shadows** in your 3D scenes. 

We'll cover: 
- the `shadows` prop to turn on shadows
- the `cast-shadow` property for lights
- and the `cast-shadow` and `receive-shadow` properties for meshes. 

You will see how to adjust light intensity, position, and object placement to **control the appearance of shadows**. By the end, you'll understand the key aspects of configuring shadows in TresJS scenes.

Enable Shadows in Your TresJS Scene

This TresJS lesson teaches you the basics of lighting 3D scenes. 

You'll learn how to:

- add ambient lights for overall lighting `<TresAmbientLight />`
- add directional lights for light from a specific direction `<TresDirectionalLight />`
- change light color and intensity using theprops. 

You will also see how materials, such as the `<TresMeshStandardMaterial>`, work with the lights in your scene.

Add Ambient and Directional Lighting to Your TresJS Scene

This TresJS lesson shows you how to transform 3D objects in your scene. You'll learn how to:

*   Adjust an object's position with `TresMesh`'s `position`, `scale`, and `rotation` props   
*   Use the `TresAxesHelper` component to guide object transformations in 3D space
    

Transform TresJS Objects Using Props

Learn how to add a 3D cube to your TresJS scene using the `TresMeshComponent`, `TresBoxGeometry`, and `TresMeshNormalMaterial` components. 

This lesson shows TresJS's declarative approach that makes 3D rendering simpler than using plain Three.js.

Add a Cube to Your TresJS 3D Scene

[TresCanvas](https://docs.tresjs.org/api/tres-canvas) is a Vue.js component that wraps the Three.js renderer. 

It can be imported, added to templates, and customized with props like background color and window size.

Add a TresCanvas to Your Vue App

[Link to the course repo](https://github.com/alvarosabu/egghead-tres-3D-product-configurator)

Our goal is to create an application that allows the user to customize a 3D product with different color materials visually. The first step is setting up the starter to follow up during the course

In this first lesson, we will download the course repo ‣. The repo is a monorepo containing all the lessons available for this course. When you clone it you are going to find

Getting Started with the TresJS Product Course Repo

Create Interactive 3D Experiences with TresJS

Bite-size video tutorials for badass web developers.

egghead

Create a 3D Scene with Vue using TresJS

Cursor's default inline edit (`Cmd+K`) has scope limitations, and using the full chat (`Cmd+I`) for simple refactors can be overly conversational. This lesson demonstrates how to create a custom chat mode specifically configured for direct code editing. By setting up a dedicated mode with custom instructions and a keybinding (like `Cmd+E`), you can bypass unnecessary AI chatter and apply targeted, file-aware modifications more efficiently than standard methods.

**Workflow Demonstrated in this Lesson:**

*   Create a "Custom Mode" within Cursor's chat interface.
*   Assign a name (e.g., "Edit") and a preferred AI model.
*   Set a dedicated keybinding (e.g., `Cmd+E`).
*   Configure allowed tools (enable `Edit`, disable `Run`/`MCP`).
*   Use "Advanced options" to enable `auto-run`.
*   Add "Custom instructions" to prompt the AI for direct edits without explanation.
*   Trigger the mode with the keybinding on a code selection to perform edits beyond the selection's scope (e.g., hoisting variables).

**Key Benefits:**

*   Perform refactors and edits beyond the scope of the initial selection, overcoming `Cmd+K` limitations.
*   Achieve a more direct, less "chatty" AI editing experience compared to standard chat (`Cmd+I`).
*   Streamline common AI-assisted modifications with a dedicated keybinding.
*   Gain fine-grained control over the AI's editing behavior using custom instructions.

**Want to Learn More? Sign-up for my Cursor Workshop!**

[https://egghead.io/workshop/cursor](https://egghead.io/workshop/cursor)

John Lindquist

Build a Better Edit Tool in Cursor with Custom Agent Modes

Stop waiting for a single AI agent! This lesson demonstrates a powerful workflow to massively parallelize your AI-driven development in Cursor. Learn how to use tools like `file-forge` to package your project context, prompt advanced AI models (like Gemini in AI Studio) to brainstorm features and generate setup scripts, and then leverage a custom `git worktree` CLI tool (`wt`) to automatically launch an "army" of isolated Cursor instances, each tackling a different task on its own branch.

**Workflow Demonstrated / Key Benefits:**

*   **Bundle Project Context:** Use `file-forge` to create an AI-friendly representation of your codebase.
*   **AI-Powered Brainstorming & Scripting:** Prompt a reasoning model (e.g., Gemini via AI Studio) to suggest features *and* generate a shell script (`zsh`/`bash`) to automate setup.
*   **Automated Worktree Creation:** Execute the generated script which uses a custom `git worktree` CLI (`wt`) to:
    *   Create new branches and worktrees for each suggested feature.
    *   Install dependencies automatically (e.g., `pnpm install`).
    *   Launch multiple, isolated Cursor instances.
*   **Parallel AI Development:** Assign different features or implementation approaches to each Cursor agent (Composer) simultaneously.
*   **Efficient Monitoring:** Easily switch between active Cursor projects/worktrees using `Ctrl+R` or OS spaces.
*   **Seamless Integration:** Merge completed features back into your main branch using `wt merge` or use agents to commit, push, and create Pull Requests via the GitHub CLI (`gh pr create`).
*   **Boost Productivity:** Dramatically speed up iteration and experimentation by running multiple AI agents concurrently without conflicts.

This approach transforms your workflow, allowing you to explore multiple development paths simultaneously and integrate the best results efficiently using standard Git practices.

**Resources** 

[https://www.npmjs.com/package/@johnlindquist/worktree](https://www.npmjs.com/package/@johnlindquist/worktree)
[https://www.npmjs.com/package/@johnlindquist/file-forge](https://www.npmjs.com/package/@johnlindquist/file-forge)

**Want to Learn More? Sign-up for my Cursor Workshop!**

[https://egghead.io/workshop/cursor](https://egghead.io/workshop/cursor)

Swarm Intelligence: Massively Parallelize Your AI Agents in Cursor

Creating powerful and context-aware tools for Cursor IDE becomes straightforward when leveraging information directly from your current project. In this lesson, you'll learn how to build a custom MCP (model context protocol) tool that intelligently requests essential details—such as the current project path and conversation summaries—from your Cursor project.

Workflow demonstrated in this lesson:

- Define MCP tool parameters to request specific project details.
- Pass project path and conversation summaries into your MCP tool.
- Automatically write or update files within your current project using these parameters.

Key benefits:

- Automate tasks with precision based on your active project's context.
- Simplify interactions by creating AI-driven CLI commands tailored to your needs.
- Open endless possibilities for integrating external APIs and advanced automation.

Through this practical demonstration, you'll gain a versatile technique for enhancing your development workflow in Cursor IDE.

[https://github.com/johnlindquist/mcp-cursor-tool-starter](https://github.com/johnlindquist/mcp-cursor-tool-starter)

Build MCP Tools Using Project Context for Custom Cursor IDE Automation

Setting up custom MCP (Machine Command Protocol) servers in Cursor can involve tedious steps, such as configuring node paths or referencing additional commands. This lesson shows how to streamline this process by bundling your MCP server directly into a standalone executable.

Workflow demonstrated in this lesson:

- Use a simple MCP server project starter.
- Run a single bundling command to create an executable.
- Right-click the generated executable, copy its full path, and add that directly to your Cursor settings.

Key benefits:

- Eliminates the need for complex node path configurations.
- Simplifies the setup and integration of custom MCP servers into Cursor.
- Makes the server executable instantly accessible within your Cursor environment.

By following this streamlined approach, you can quickly and easily integrate custom MCP servers into Cursor, making your development workflow cleaner and more efficient.

[https://github.com/johnlindquist/mcp-cursor-tool-starter]()

Easy MCP Server Setup in Cursor IDE with Bundled Executables

TanStack Router is the foundation for TanStack Start, which is gaining significant attention due to its innovative approach to application development.

This course focuses on getting effective TanStack Router, a modern and scalable routing solution for React applications. You will learn how to:
- set up and scaffold new applications,
- use file-based routing
- create nested routes
- manage dynamic route parameters and more.

The course covers advanced features like route loaders, caching strategies, and lifecycle hooks, which are crucial for enhancing application performance and user experience.

By understanding TanStack Router, you can build more efficient, type-safe, and maintainable applications, leveraging its integration with data fetching libraries like TanStack Query.

This knowledge is essential for developers looking to improve their routing skills and stay ahead in the field.

Tomasz Ducin

Up and Running with Tanstack Router and React

Learn TanStack Router for React: set up apps, use file-based routing, manage routes, and boost app performance.


In this lesson, we explore how TanStack Router integrates with the [native browser history API](https://developer.mozilla.org/en-US/docs/Web/API/History) to manage navigation.

As we navigate through different routes, the URL changes are stored in the browser's history, allowing users to use the forward and backward buttons to traverse their navigation history.

This functionality also **enables permalinks**, meaning users can copy and paste URLs to access specific routes directly.

Additionally, we learn how to programmatically interact with the history object to move forward or backward through the navigation stack, enhancing the user experience by providing full control over navigation actions.

This compatibility with the native history API ensures that TanStack Router applications behave similarly to traditional websites, offering a seamless and intuitive user experience.

Browse History in Tanstack Router

Browse history in TanStack React Router using the native history API for seamless navigation

In this lesson, we explore how to hook into TanStack Router's lifecycle hooks to execute custom logic during route changes.

The hooks we'll look into are: `onEnter`, `onStay`, and `onLeave`, which are triggered when entering, staying within, or leaving a route, respectively.

All hooks receive a detailed match parameter, providing information about the route's path, ID, and tons of other details.

This allows for the implementation of features like animations or logging when navigating between routes.

We also learn how to use these hooks to track and manage state changes as users interact with the application, making it easier to implement complex behaviors based on route transitions.

Hook into Route Lifecycle Hooks in Tanstack Router

Hook into TanStack React Router's lifecycle hooks for custom route logic and animations.

In this lesson, we learn how to handle not found errors in TanStack Router by using the `notFoundComponent` at both nested and global levels.

To trigger the display of a `notFoundComponent`, we must throw a specific error using the `notFound` function within a loader or other lifecycle method of a route. This approach allows us to provide custom error messages for specific routes or globally across the application.

We explore how to define a notFoundComponent within a specific route's configuration and how to set a `defaultNotFoundComponent` at the router global level, which applies to all routes unless overridden locally. This flexibility ensures that users receive meaningful feedback when encountering non-existent routes.

Provide NotFoundComponent at Nested Route or Global Level in Tanstack Router

Handle notFound errors in TanStack Router with notFoundComponent at nested or global levels.



In this lesson, we learn how to access dynamic route parameters using the `useParams` hook in TanStack Router.

When used with a specific `Route` object, `useParams` provides type-safe access to route parameters, ensuring that TypeScript knows the exact types of these parameters.

This approach eliminates the possibility of undefined/optional values, making it safer for accessing parameters like `employeeId`.

However, when using `useParams` globally without specifying a route, it requires an options object with `{ strict: false }`, which reduces type safety.

In this case, the hook can access parameters from any route in the application, but it does not guarantee their existence or type. This flexibility allows components to be reused across different routes, but it requires careful handling of potential errors.



Access Dynamic Route Parameters with useParams in Tanstack Router

Access dynamic route parameters with useParams in TanStack React Router for type-safe routing.

In this lesson, we learn how to reorganize file-based routes in TanStack Router to accommodate nested routing structures.

We explore how to create additional nested routes by converting files into directories, allowing for further nesting.

For example, to create a nested route like `/employees/$employeeId/edit`, we can create a **directory** (!) named `$employeeId` and place an `index.tsx` file inside it to define the route component for this nested route.

This approach provides flexibility in organizing files while maintaining the convention that file names and locations align with route paths. We also see how to adapt existing components and loaders to work with these reorganized routes, enabling features like edit forms or delete actions (or whatever) within nested routes.


Reorganize File-Based Routes in Tanstack Router

Reorganize file-based routes in TanStack Router for flexible nested routing.



Alvaro Saburido

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