Hi! I'm Bobby Roe, I make videos about coding, art, and technology. I'm here to help you on your coding journey. With over 20 years experience as a creative developer, I've helped thousands learn to code and create art.

Robot Bobby

Creative coding and code art tutorials. Mostly with THREE.js, JavaScript, and shaders.

Threejs image effect using custom shaders , merging WebGL and html images. This tutorial covers advanced techniques like wave animations, magnet effects, and scaling on hover, making it perfect for developers looking to elevate their frontend skills with WebGL and Three.js. Includes project boilerplate for hands-on learning.

threejs image wave effect 

Recreate the webgl image effects on taotajima.jp website using threejs and custom glsl shaders

This captivating phenomenon creates a&nbsp;stunning optical effect&nbsp;that adds a touch of enchantment to your r3f projects, especially for sun lights.&nbsp;Ultimate Lens Flare&nbsp;creates mesmerizing circular or hexagonal bursts of light. Embrace the magic and elevate your projects with this unique and alluring effect. This captivating optical innovation introduces a new dimension to your content, amplifying its visual impact and captivating your audience. Unlock a world of possibilities with Ultimate Lens Flare's intuitive interface. Seamlessly adjust parameters such as brightness, star points, glare size, ghosts, burst and much more, while real-time previews allow you to see the impact of your adjustments instantly. Embrace your creativity and effortlessly bring your artistic vision to life.

Ultimate Lens Flare for React Three Fiber

A Post processing effect for React Three Fiber, Ultimate Lens flare adds the optical aberration.

OffscreenCanvasOffscreenCanvas is a web API that enables rendering graphics in a separate thread, independent of the main browser UI thread. This feature is particularly useful for improving performance in web applications with heavy graphical computations, such as games or 3D visualizations. <h3>Key Features:</h3><ul><li>Allows rendering with WebGL, 2D, or other supported contexts off the main thread.</li><li>Improves responsiveness by offloading rendering tasks.</li><li>Compatible with Worker threads for parallel processing.</li></ul>OffscreenCanvas is ideal for applications that demand smooth, high-performance rendering while maintaining a responsive user interface.

offscreencanvas

OffscreenCanvas is a web API that enables rendering graphics in a separate threa.

The GitHub repository three-good-godrays provides an implementation of high-quality volumetric light scattering effects, often referred to as "god rays," for use in Three.js projects. This library is optimized for real-time rendering, making it suitable for interactive 3D applications. <h3>Features:</h3><ul><li>High-Quality Volumetric Lighting: Realistic god ray effects that enhance the visual depth of scenes.</li><li>Customizable Parameters: Control over intensity, decay, density, weight, and exposure to fine-tune the effect.</li><li>Integration with Three.js: Easy to use with existing Three.js setups.</li><li>Performance Optimizations: Designed for smooth performance even in complex scenes.</li></ul><h3>Usage:</h3>The repository includes examples and documentation to help developers quickly integrate the god rays effect into their projects. It's particularly useful for adding dramatic lighting effects in games, simulations, or visualizations.This library is a valuable resource for Three.js developers looking to elevate their projects with stunning volumetric light effects.

Three good godrays

Good godrays effect for three.js using the pmndrs postprocessing library

Have you ever experienced a sense of disorientation while watching a movie, especially during moments of high tension or panic? As if the space around the protagonist starts to twist and turn, creating an almost vertiginous effect? This is the famous Dolly Zoom, also known as the Vertigo Effect. First appearing in Alfred Hitchcock’s masterpiece “Vertigo,” this cinematic technique continues to be widely used today in films, animations, advertisements, and video games due to its power to convey strong emotions. What is the Dolly Zoom?

From Perspective to Orthographic Camera in Three.js with Dolly Zoom — Vertigo Effect