Reimagining the Fireworks Galaxy: Building NGC 6946 with Vite & Three.js

In the ever-evolving universe of web development, blending creativity with code has never been more exhilarating. In this special edition, we take a cosmic leap into the heart of NGC 6946, more famously celebrated as the Fireworks Galaxy. 🌌 Known for its vibrant supernova displays and radiant star-forming regions, this celestial marvel is the perfect inspiration for pushing the boundaries of creative coding.

Get ready to bring the breathtaking energy of the cosmos to life—right inside your browser—with the power of Vite and Three.js.

🤔 But what exactly is the Fireworks Galaxy?

Before we dive into building it digitally, let’s take a moment to meet our dazzling inspiration—the Fireworks Galaxy, officially known as NGC 6946. Located approximately 25 million light-years away, nestled between the constellations Cepheus and Cygnus, this galaxy has earned its energetic nickname thanks to its extraordinary record of supernova explosions—a stunning ten in just the last century! 💥

NGC 6946 is renowned for its active star-forming regions and brilliant spiral arms, painting it as one of the most visually captivating galaxies in the night sky. Its dynamic beauty and constant state of cosmic creation make it the perfect muse for a web-based 3D experience.

Harnessing the speed and efficiency of Vite ⚡ along with the powerful 3D rendering capabilities of Three.js 🧱, we’re set to reconstruct this galactic marvel inside your browser, bringing the magic of the universe a little closer to home.

Whether you're a curious beginner 🌱, a front-end explorer 🧑💻, or a cosmic code artist 🎨, this journey will inspire you to see the web as your digital universe.

Project Initialization with Vite :

To kick off our project with a modern, lightning-fast development experience, we’re using Vite. This next-generation front-end tool offers instant server start, lightning-fast hot module replacement (HMR), and optimized build outputs.

Open your terminal and run the following command:

npm create vite@latest        

You'll be prompted to:

1. Name your project – Choose a descriptive name.
2. Select a framework – For this guide, select Vanilla (since we’re using plain HTML, CSS & JS).
3. Choose a variant – Select JavaScript (not TypeScript).

Once done, Vite scaffolds your project folder with all the necessary files.

Next, move into your project directory & install the dependencies by running:

npm install        

This installs everything Vite needs behind the scenes to run your dev server and bundle your files when you're ready to build.

After installing, you're all set to begin coding! Start the development server with:

npm run dev        

Vite will spin up a local server, usually at http://localhost:5173/, and any changes you make will reflect instantly thanks to hot module replacement.

🧠 Pro Tip: Keep this server running in one terminal tab while you work — it's like having a live preview that updates in real time as you code.

Essential Package Installation for Development :

In addition to our core packages, we’ll also install Three.js, a powerful JavaScript 3D library, by running:

npm install three        

Three.js allows us to render complex 3D scenes directly in the browser using WebGL — no deep graphics programming required. It provides a vast toolkit for creating particles, lighting, cameras, and geometry, making it ideal for crafting immersive scientific visualizations.

In our project, Three.js will serve as the engine behind our animation, enabling us to simulate and display dynamic 3D interactions with high performance and visual fidelity.

After installing the necessary dependencies, it's important to organize and streamline your project structure for clarity and maintainability. Begin by cleaning up the default files that Vite generates. Specifically, rename style.css to index.css and main.js to index.js to reflect a more conventional and descriptive naming convention. If your project includes assets like an SVG in the public folder, remove any placeholder or default SVGs provided by the Vite starter template. Replace them with your custom SVG file to ensure your visual assets align with the goals of your project.

This clean-up process ensures your project starts from a clean, well-structured foundation, free of boilerplate clutter, setting the stage for focused development and easy scalability.

Layout, Styling & Core Logic :

Now that we’ve initialized our Vite project and installed the essential packages, it’s time to lay the foundation of our project structure using HTML, CSS, and JavaScript.

HTML Code :

🛠️🧱 Setting the Foundation: Building the Galactic Stage 🏗️🏟️

Before diving into the breathtaking visuals of our Galaxy Fireworks project, it's crucial to appreciate the simple yet powerful HTML foundation that makes it possible. We start with the <!doctype html> declaration, ensuring that our page adheres to modern HTML5 standards, promoting consistency across all browsers. The <html> tag specifies English (lang="en") as the primary language, enhancing accessibility and search engine optimization. Within the <head>, essential metadata is configured: we set the character encoding UTF-8 for universal text support and use the viewport tag to ensure responsive behavior across different screen sizes.

Adding a personal touch, the favicon (galaxy.svg) gives our project a recognizable identity in browser tabs. The <title> tag invites users into our cosmic creation with an enticing name. Visual styling is organized through an external CSS file (/src/index.css), promoting clean, modular design practices. The <body> contains a single <div> with the ID container, acting as the dynamic mounting point where Three.js will bring the galaxy to life.

Finally, by including a <script> with type="module" that points to our main JavaScript file (/src/index.js), we leverage Vite’s lightning-fast bundling capabilities and module-based structure, ensuring our galaxy renders quickly, efficiently, and with maximum interactivity.

🎨 Once the HTML structure is complete, the next step is to navigate into the src folder and open the CSS file (index.css). This is where we begin crafting the visual style for our galaxy 🌌. The structure will be polished ✨, and a unified aesthetic that brings the Fireworks Galaxy to life on screen 🎆🚀.

CSS Code :

🤏⚡ The Tiny Snippet That Powers Clean Layouts 🧹🖼️

When building a website, ensuring consistency across different browsers is key. That’s where this little snippet of CSS magic comes in:

This universal selector (*) targets every single element on your webpage. The first two lines, margin: 0; and padding: 0;, are part of what’s commonly referred to as a "CSS reset." Why? Because browsers often apply their own default spacing around elements, margins, and padding that vary from one browser to another. These default values can cause frustrating inconsistencies in your layout. By setting both margin and padding to zero across all elements, you're starting with a completely clean slate — no surprises, no auto-spaced gaps.

The third line, box-sizing: border-box;, is where things get even more interesting. By default, CSS uses content-box for box sizing, which calculates an element’s total width and height without accounting for padding and borders. This can make precise layout design tricky, especially when dealing with responsive elements. By switching to border-box, padding and borders are included within the declared width and height of elements.

This makes sizing more intuitive and eliminates a lot of the guesswork, especially when building grid-based or flexbox layouts.

🖥️🔮 Full-Screen Magic: Building a Cosmic Canvas Container 🪐📦

Creating immersive, full-screen web experiences often starts with a solid CSS layout foundation. The following snippet is a great example of how to craft a stunning background container that holds a full-screen <canvas> element, perfect for dynamic visuals, particle effects, or even space-themed animations:

The #container is styled to take up the entire viewport, thanks to position: fixed and inset: 0, which is a shorthand for top: 0; right: 0; bottom: 0; left: 0. This locks the container to the screen edges, regardless of scroll. The width: 100vw and height: 100vh ensure that the container spans 100% of the viewport’s width and height, respectively.

The background uses a radial gradient that subtly fades from deep navy (#000010) at the center to pure black (#000000) at the edges. This gradient creates a moody, cosmic atmosphere — ideal for celestial visualizations or abstract motion designs. The overflow: hidden line makes sure any overflowing canvas content gets clipped, keeping things neat.

The <canvas> element inside the container inherits a similar setup: position: fixed and inset: 0 lock it in place, while display: block removes the default inline space that might otherwise affect layout flow. This setup ensures the canvas always covers the entire screen without scrollbars or white gaps.

Once the styling of the page is completed, the next phase involves transitioning to the JavaScript file 📂, where the core logic of the Fireworks Galaxy project will be implemented. This stage is crucial, as it brings interactivity ⚡ and dynamic behavior to the visual elements we've designed. Using JavaScript 💻, we will simulate the motion 🚀, animation ✨, and interactive features 🧠 that make the galaxy feel alive 🌌.

JS Code :

💪🧊 Powering 3D Interactions: The Essentials of Importing Three.js & OrbitControls 🚚🌠

When stepping into the world of 3D web development, Three.js is your ticket to creating immersive visual experiences directly in the browser. But before you start spinning cubes or flying through galaxies, it all begins with two essential imports:

The first line, import * as THREE from 'three';, brings in the core Three.js library. This single statement unlocks a treasure chest of tools — from geometry and materials to lights, cameras, and renderers. It’s the backbone of every Three.js project, giving you the power to create and manipulate 3D objects, animate scenes, and render everything using WebGL.

The second line introduces OrbitControls, an incredibly handy utility from the Three.js examples collection. By importing it from three/examples/jsm/controls/OrbitControls.js, you're enabling mouse-driven interaction with your 3D scene. With just a few lines of setup, OrbitControls allows users to click and drag to rotate around objects, scroll to zoom, and right-click to pan — all without writing custom event listeners.

Together, these imports are often the very first step in a Three.js project. They set the stage for a 3D canvas that isn’t just a static display, but an interactive playground.

⚙️🏕️ Setting the Scene: Building Atmosphere and Perspective in Three.js 🌫️💡

Every great 3D experience starts with a scene and a camera — and in Three.js, those are more than just technical setup steps; they define the mood, the depth, and the visual framing of your virtual world. Here's a snippet that kicks off a 3D scene with fog and a cinematic viewpoint:

The first line creates a new scene, the stage where all 3D objects, lights, and effects will live. Immediately after, we add atmospheric depth with scene.fog = new THREE.FogExp2(...). This uses exponential fog, which gradually obscures objects based on their distance from the camera — giving a dreamy, cinematic sense of space. The color 0x000000 (pure black) blends objects into darkness, while the density 0.0015 controls how quickly they fade. It's subtle but powerful — perfect for simulating space, underwater, or moody environments.

Then we define a perspective camera, the digital lens that captures the scene. With a 75-degree field of view and an aspect ratio based on the browser window, it mimics how our eyes perceive depth. The near and far clipping planes (0.1 to 1000) define what range of distances will be rendered. Finally, camera.position.set(0, 5, 15) lifts the camera slightly above the scene and pulls it back — a classic move that offers a wide, angled view, as if you're looking down on the 3D world from a comfortable vantage point.

Together, these lines set the foundation for a compelling 3D environment: one that’s not only viewable but rich in atmosphere and perspective.

🌄🌱 Bringing the Scene to Life: Rendering, Color, and Controls 🖍️🕹️

Once your scene and camera are set, it's time to bring the 3D world to life — and that’s where the renderer comes in. In Three.js, the renderer turns your 3D code into visual magic on the screen.

The renderer is initialized with antialias: true, which smooths out jagged edges — a small tweak that has a big visual impact, especially in detailed scenes. It’s then sized to perfectly match the browser window using setSize(), and the pixel ratio is set with a performance-conscious cap using Math.min(window.devicePixelRatio, 2) to ensure retina sharpness without overloading the GPU.

For color and lighting realism, we define the output color space as THREE.SRGBColorSpace, which aligns with modern display standards. Then comes a cinematic touch: we apply ACESFilmicToneMapping, a tone-mapping method used in film production to create more natural contrast and exposure. The toneMappingExposure = 1.4 boosts the scene brightness slightly, adding vibrancy without washing out the colors.

Next, we append the renderer’s domElement (the <canvas>) into the #container — making our 3D world visible on the screen.

Finally, we activate OrbitControls to allow users to interact with the scene. Damping is enabled for smooth, inertia-like camera movements. Plus, auto-rotation is turned on, slowly spinning the camera around the scene with a peaceful, space-station feel, ideal for showcasing artwork or ambient environments. The speed is subtly tuned to 0.2, ensuring the movement is calm and elegant.

In just a few lines, this setup not only renders your 3D world with clarity and realism but also adds a layer of interactivity that transforms viewers into explorers.

🌟🔎 Glowing Details: Creating a Soft Radial Texture with Canvas and Three.js ✨🎨

In 3D scenes, tiny visual touches can add a lot of depth, like soft glowing particles or ambient light flares. This function is a perfect example of how you can combine HTML5 Canvas with Three.js to create a custom radial gradient texture, ready to be applied to particles, sprites, or lighting effects.

Here’s what’s happening: the function first creates a square canvas (defaulting to 128x128 pixels), which acts as a drawing surface. Then, using the 2D context (ctx), it creates a radial gradient that starts from the center and fades outward. The addColorStop() calls define how the gradient looks — a bright white core (rgba(255, 255, 255, 1)), a soft middle glow (rgba(255, 255, 255, 0.2)), and a completely transparent edge. The result is a smooth, soft-focus texture perfect for additive blending, which appears to glow when layered.

Once drawn, the canvas is wrapped into a THREE.CanvasTexture, which turns this hand-crafted gradient into a usable Three.js texture. You can apply it to points, particles, or even transparent planes for a subtle halo effect in space scenes, magical particle systems, or interactive visualizations.

🔧✨ Tweaks for Sparkle & Glow: Crafting Custom Particle Effects 💥⚡

When it comes to particle systems in Three.js, textures are everything. They define how each particle looks — whether it's a subtle shimmer or an explosive burst. In this snippet, two textures are created using a custom radial gradient function, each tailored for a specific visual role.

Here’s the magic behind it :

The createRadialGradientTexture() function (defined earlier) uses HTML5 Canvas to generate a soft, glowing gradient that fades from white in the center to transparent at the edges. By adjusting the size parameter — 128 for general particles and 64 for fireworks — you control the resolution and visual impact of the texture.

The particleTexture with size 128 creates a larger, smoother glow, ideal for ambient particles like floating dust, stars, or light orbs. Its size allows for a more gradual fade, giving it a gentle and refined appearance.

On the other hand, the fireworkParticleTexture uses a smaller size of 64, which results in a more compact and punchy glow. This is perfect for dynamic effects like firework bursts, sparks, or magical flares, where you want tighter energy around the particle core.

By varying texture sizes like this, you’re not just optimizing performance — you’re adding visual variety and depth to your scene. It’s a small detail that makes your particles feel intentional and alive, whether they’re floating serenely or bursting in celebration.

🔥🖼️ Custom Glows with Canvas & Sprites: Adding Depth and Drama to Your Scene 🕳️🏞️

Adding glow effects to a 3D scene can instantly elevate its atmosphere, especially when you're aiming for a dreamy, cosmic, or magical aesthetic. In this code snippet, we explore how to dynamically create soft, floating glows using canvas-based textures and Three.js sprites — no image files required.

The createGlow() function starts by generating a radial gradient on a canvas — soft at the edges and vibrant at the center, based on the input color. The glow fades into transparency, making it feel like light dissolving into space. This canvas is then converted into a THREE.CanvasTexture and applied to a THREE.SpriteMaterial, which is ideal for billboard-style visuals that always face the camera.

The magic lies in the blending mode — THREE.AdditiveBlending makes the glow accumulate brightness when layered, simulating real light behavior. The sprite’s opacity is randomly varied for a natural, flickering feel, and the scale determines how large the glow appears in the 3D world.

Finally, this function is called to add a purple-tinted glow to the scene with:

scene.add(createGlow('rgba(166, 74, 201, 0.6)', 256, 8));        

The result? A vibrant, ethereal glow that hovers subtly, enhancing your scene's depth and mood without heavy geometry or lighting costs. Whether you're building a starfield, an enchanted forest, or a futuristic UI, this reusable glow function is a simple but stunning way to illuminate your 3D world.

🎲💡 Randomized Light Sprites for a Magical 3D Ambience 🔮✨

To bring a sense of wonder and organic randomness into your 3D scenes, nothing beats scattering soft glowing sprites across space — and that’s exactly what this snippet does. By blending hue variation, randomized positioning, and canvas-generated textures, this loop creates a starry constellation of ambient lights in a Three.js scene.

The loop runs 15 times, each time generating a unique glowing sprite using the createGlow() function we discussed earlier. The glow’s color is randomly generated using the HSLA color model, with hues between 270 and 290 — a range of soft purples and violets that feel dreamy and cosmic. The alpha is fixed at 0.5, ensuring a gentle transparency.

Each glow sprite is scaled randomly between 10 and 30 units, creating visual variety in their size — some appear small and distant, others large and close-up. Then, using glow.position.set(), each sprite is placed randomly in a cube-shaped volume around the origin, with a spread of -20 to +20 on all axes.

The result is a mesmerizing field of glows that appear to float effortlessly in 3D space, creating a surreal, galaxy-like environment. This technique is perfect for simulating ethereal light particles, energy nodes, or even distant stars, and is incredibly lightweight since each glow is just a 2D sprite with a texture, not a full 3D object.

🌟🌌 Designing the Cosmos: Setting Up Parameters for a Procedural Galaxy ⚙️🪐

Procedural generation can make your 3D worlds feel limitless, and galaxies are a prime example. In this snippet, we're laying the groundwork for a swirling star-filled galaxy using customizable parameters. With over 100,000 particles in play, this system gives you full control over the shape, color, and distribution of your celestial masterpiece.

• count: The total number of stars (100,000 particles!) to simulate a densely packed galaxy.
• arms: The number of spiral arms — in this case, four — to give the galaxy a classic swirling structure.
• radius: Controls how wide the galaxy spreads from the center.
• spin: Determines the twist applied to the arms, adding that graceful, rotating motion you expect from a spiral galaxy.
• randomness & randomnessPower: These tweak how scattered or structured the stars are. The randomness introduces variation in star placement, while randomnessPower controls the falloff — higher values keep stars closer to their intended spiral paths, giving more definition.
• insideColor & outsideColor: Define the gradient from the galaxy’s core to its outer arms — a vibrant pink at the center fading into a cool cyan, creating a beautiful cosmic color blend.

Then, galaxyPositions and galaxyColors are initialized as Float32Arrays — one for the 3D coordinates of each star, and the other for storing its RGB color. Each star will occupy three consecutive entries (x, y, z) in galaxyPositions, and likewise for its color (r, g, b) in galaxyColors.

🗿💫 Sculpting the Stars: Procedural Spiral Galaxy Generation with Math and Color 🌌🧮

When it comes to procedural artistry, few sights are as mesmerizing as a swirling galaxy filled with thousands of stars. This loop brings our galaxy to life, star by star, using calculated positions and color gradients that spiral out from a glowing core. The result is a dynamic, immersive simulation of a galactic armada drifting in space.

For each of the 100,000 stars, we calculate a unique position in 3D space. The radius determines how far the star lies from the galaxy’s center — powered by randomness to favor denser cores and sparser outer edges. Each star is assigned to a spiral arm based on its index, and the spin angle adds that elegant galactic swirl.

To keep things visually organic, randomX, randomY, and randomZ offset each star slightly from its perfect spiral path, making the galaxy feel naturally scattered. These offsets are scaled by the radius, ensuring stars closer to the center are more tightly packed, while outer stars drift further apart.

Color-wise, each star blends from the insideColor to the outsideColor based on its radial distance. The use of lerp() achieves a smooth gradient, while offsetHSL() injects subtle hue and lightness variations for a more vibrant and organic look. Finally, multiplyScalar() modulates the brightness, ensuring no two stars are exactly alike.

📊🧹 From Data to Stardust: Rendering a Galaxy with BufferGeometry and PointsMaterial 📐🧱

Once the positions and colors of our galactic particles have been generated, it’s time to render them on screen. Using THREE.BufferGeometry, we structure the star data for optimal performance, and THREE.PointsMaterial brings each star to glowing life.

BufferGeometry is a highly efficient structure that stores raw data (like vertex positions and colors) directly in GPU-friendly formats. We attach two attributes — position for the 3D coordinates of each star, and color for their RGB values. This allows each particle to have its position and unique hue, creating a visually rich and diverse galaxy.

Then, PointsMaterial defines how those particles will appear. We set a small size of 0.03, and assign a map using our previously created radial gradient texture (particleTexture), giving each star a soft, glowing appearance. The vertexColors flag tells Three.js to use the color data from the geometry itself, so each star renders with its tint.

To enhance realism and performance, transparent and alphaTest ensure proper blending of star edges without rendering invisible pixels. We disable depthWrite to prevent depth conflicts, since the galaxy is made of overlapping transparent particles. Finally, Additive Blending makes stars brighten as they overlap — ideal for cosmic visuals where light intensifies at intersections.

We wrap the galaxy in a THREE.Object3D() group, making it easier to scale, rotate, or animate the galaxy as a whole. And with one call to scene.add(), our galaxy is launched into space.

🧺🕳️ Filling the Void with a Cosmic Field of Light ☄️🌟

To truly sell the illusion of floating through space, you need more than just a galaxy — you need a starlit void that stretches in every direction. We'll create a backdrop filled with thousands of ambient stars, adding depth and atmosphere to your cosmic scene.

We start by creating a BufferGeometry to store 5,000 star positions. Each star is randomly positioned in 3D space, spread across a 400-unit cube centered at the origin. This random scattering ensures stars surround the viewer from every direction, helping to create a vast, immersive background.

For rendering, PointsMaterial is used once again — this time with a classic white color (0xffffff) and a slightly larger size of 0.5. The sizeAttenuation property ensures that stars appear smaller when farther from the camera, reinforcing the illusion of distance. The map is our familiar radial gradient texture (particleTexture), providing each star with a glowing, soft-edged appearance.

We also enable transparency and set a low alphaTest to handle semi-transparent pixels properly. AdditiveBlending makes overlapping stars brighten the surrounding space, just like they would in the night sky.

With this addition, the scene is no longer an isolated galaxy — it becomes part of a broader universe, complete with a shimmering stardust backdrop. It’s a simple but powerful technique to give your 3D space scenes a feeling of infinite depth and wonder.

🎆🌠 Procedural Fireworks in Space: Creating an Explosive Galaxy Effect 🧨💥

Fireworks aren't just for Earth-based celebrations — in our Three.js universe, they become mesmerizing bursts of cosmic energy! This function, createFireworksGalaxy, generates a cluster of randomly positioned firework-style particle systems, each simulating a short-lived, vibrant explosion in space. It’s not only visually dazzling, but also a fantastic example of combining randomness, physics, and artistic intent in WebGL.

The function accepts three parameters: numFireworks (how many explosions to create), explosionSize (how far particles spread out), and lifeSpan (a randomized indicator of how long each particle might "live" for animation purposes). Each firework consists of 1,000 particles. Their positions are initialized around a central point, which is randomly scattered throughout a 3D space volume.

Using trigonometric functions, each particle is placed radially from a central point — a method perfect for circular, explosion-like arrangements. The Z-axis gets its randomness to add three-dimensional depth. Every particle is also given a small random velocity, suggesting outward motion if animated later.

In addition, each particle is assigned a vibrant, random color using THREE.Color, creating a beautiful palette of shimmering points. The particles' “ages” are randomized and stored, hinting at future logic for fading or animating them over time.

The geometry is powered by a BufferGeometry, with custom attributes for position, velocity, age, and color. These attributes open the door for rich animations driven by shaders or update loops. The rendering is handled by a PointsMaterial, which uses our previously defined fireworkParticleTexture to make the particles look soft and glowing. AdditiveBlending enhances brightness where particles overlap — ideal for fireworks — while depthWrite: false prevents z-fighting issues that might dim overlapping glows.

Finally, each complete firework (THREE.Points) is added to a parent Object3D group, which is returned and ready to be added to the scene. This encapsulation makes it modular and easy to reuse.

💨🔥 Breathing Life Into Fireworks: Animating the Galaxy Explosions 🎞️💥

Creating static fireworks is dazzling, but making them come alive with motion and renewal brings the magic to a new level. In this section, we take the fireworksGalaxy group generated earlier and animate each firework dynamically through the animateFireworks function, simulating realistic expansion, fading, and regeneration.

We first add the fireworksGalaxy to the main scene, making all our colorful bursts visible. Then, in the animateFireworks function, intended to be called every frame, we loop through each firework (Points) inside the galaxy group. For every firework, we access its position, velocity, and age attributes directly for fast updates.

Each particle's age is incremented by roughly 0.016, assuming a 60fps frame rate (1/60 ≈ 0.016 seconds per frame). When a particle’s age exceeds its lifeSpan (set at 2 seconds), it gets “recycled”: its position is reset to a random location, giving the illusion of new fireworks constantly appearing. Meanwhile, each particle also moves outward slightly every frame according to its assigned velocity, creating that beautiful dispersal effect we expect from fireworks.

Finally, we mark both the position and age attributes with .needsUpdate = true to inform Three.js that the GPU-side buffers must be refreshed with our new data on the next render. Without this, the visual updates wouldn’t appear.

In essence, animateFireworks continuously breathes life into the scene, orchestrating a mesmerizing ballet of color, movement, and rebirth. It's a powerful technique that shows how simple attribute manipulation can create rich, dynamic animations in WebGL with Three.js.

🤝 Bringing It All Together: The Main Animation Loop 🎞️🔄

After setting up the galaxy, stars, fireworks, and glow effects, the final step is to bring everything to life continuously, and that’s exactly what the animate function does. In this elegant loop, we ensure that every dynamic element updates smoothly and renders on the screen in real time.

requestAnimationFrame(animate) tells the browser to schedule the next frame just before the next screen repaint, ensuring that the animation runs as efficiently and smoothly as possible. Inside the loop, controls.update() is called, allowing the OrbitControls (which manage user interactions like rotating around the scene) to smoothly animate any inertia or automatic rotation we've enabled earlier. Next, animateFireworks() is triggered to update the fireworks galaxy, repositioning, aging, and regenerating each particle to maintain the continuous explosion effect.

Finally, renderer.render(scene, camera) draws the updated scene from the perspective of the camera, displaying all the latest changes: the rotating stars, shimmering galaxies, floating glows, and colorful bursts of fireworks. By calling animate() once, the whole visual performance begins and keeps running, creating an immersive, ever-changing cosmic show with Three.js. This loop is the beating heart that powers the entire animation experience.

Final Output :

Reimagining the Fireworks Galaxy: Building NGC 6946 with Vite & Three.js

Please use the link I've shared below for those looking for access to the project's layout plan. By referring to this link, you'll gain some perspectives crucial for understanding the project's layout.

Checkout the Layout Plan here...

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