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234 changes: 234 additions & 0 deletions
234
src/modules/authentication/component/galaxy.component.tsx
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,234 @@ | ||
| import { useEffect, useRef } from 'react'; | ||
| import { | ||
| AdditiveBlending, | ||
| BufferAttribute, | ||
| BufferGeometry, | ||
| Color, | ||
| PerspectiveCamera, | ||
| Points, | ||
| PointsMaterial, | ||
| Scene, | ||
| TextureLoader, | ||
| Vector2, | ||
| WebGLRenderer, | ||
| } from 'three'; | ||
| import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js'; | ||
| import { EffectComposer } from 'three/examples/jsm/postprocessing/EffectComposer.js'; | ||
| import { RenderPass } from 'three/examples/jsm/postprocessing/RenderPass.js'; | ||
| import { UnrealBloomPass } from 'three/examples/jsm/postprocessing/UnrealBloomPass.js'; | ||
|
|
||
| export default function GalaxyComponent() { | ||
| const mountRef = useRef(null); | ||
|
|
||
| useEffect(() => { | ||
| const textureLoader = new TextureLoader(); | ||
| const scene = new Scene(); | ||
| const renderer = new WebGLRenderer(); | ||
|
|
||
| mountRef.current.appendChild(renderer.domElement); | ||
|
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||
| const config = { | ||
| count: 70000, | ||
| size: 0.014, | ||
| radius: 5.5, | ||
| branches: 6, | ||
| spin: -2, | ||
| randomness: 8.5, | ||
| randomnessPower: 4.9, | ||
| stars: 18000, | ||
| starColor: '#37393f', | ||
| insideColor: '#2df0b2', | ||
| outsideColor: '#4b21a8', | ||
| }; | ||
|
|
||
| const shape = textureLoader.load('/assets/particle.png'); | ||
|
|
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| let bgStarsGeometry = null; | ||
| let bgStarsMaterial = null; | ||
| let bgStars = null; | ||
|
|
||
| if (bgStars !== null) { | ||
| bgStarsGeometry.dispose(); | ||
| bgStarsMaterial.dispose(); | ||
| scene.remove(bgStars); | ||
| } | ||
|
|
||
| bgStarsGeometry = new BufferGeometry(); | ||
| const bgStarsPositions = new Float32Array(config.stars * 3); | ||
|
|
||
| for (let j = 0; j < config.stars; j++) { | ||
| bgStarsPositions[j * 3 + 0] = (Math.random() - 0.5) * 20; | ||
| bgStarsPositions[j * 3 + 1] = (Math.random() - 0.5) * 20; | ||
| bgStarsPositions[j * 3 + 2] = (Math.random() - 0.5) * 20; | ||
| } | ||
|
|
||
| bgStarsGeometry.setAttribute( | ||
| 'position', | ||
| new BufferAttribute(bgStarsPositions, 3), | ||
| ); | ||
|
|
||
| bgStarsMaterial = new PointsMaterial({ | ||
| size: config.size, | ||
| depthWrite: false, | ||
| sizeAttenuation: true, | ||
| blending: AdditiveBlending, | ||
| color: config.starColor, | ||
| transparent: true, | ||
| alphaMap: shape, | ||
| }); | ||
|
|
||
| bgStars = new Points(bgStarsGeometry, bgStarsMaterial); | ||
|
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| scene.add(bgStars); | ||
|
|
||
| // Generate the galaxy shape | ||
| let geometry = null; | ||
| let material = null; | ||
| let points = null; | ||
|
|
||
| if (points !== null) { | ||
| geometry.dispose(); | ||
| material.dispose(); | ||
| scene.remove(points); | ||
| } | ||
|
|
||
| geometry = new BufferGeometry(); | ||
|
|
||
| const positions = new Float32Array(config.count * 3); | ||
| const colors = new Float32Array(config.count * 3); | ||
|
|
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| const colorInside = new Color(config.insideColor); | ||
| const colorOutside = new Color(config.outsideColor); | ||
|
|
||
| for (let i = 0; i < config.count; i++) { | ||
| //Position | ||
| const x = Math.random() * config.radius; | ||
| const branchAngle = | ||
| ((i % config.branches) / config.branches) * 2 * Math.PI; | ||
| const spinAngle = x * config.spin; | ||
|
|
||
| const randomX = | ||
| Math.pow(Math.random(), config.randomnessPower) * | ||
| (Math.random() < 0.5 ? 1 : -1); | ||
| const randomY = | ||
| Math.pow(Math.random(), config.randomnessPower) * | ||
| (Math.random() < 0.5 ? 1 : -1); | ||
| const randomZ = | ||
| Math.pow(Math.random(), config.randomnessPower) * | ||
| (Math.random() < 0.5 ? 1 : -1); | ||
|
|
||
| positions[i * 3] = Math.sin(branchAngle + spinAngle) * x + randomX; | ||
| positions[i * 3 + 1] = randomY; | ||
| positions[i * 3 + 2] = Math.cos(branchAngle + spinAngle) * x + randomZ; | ||
|
|
||
| // Color | ||
| const mixedColor = colorInside.clone(); | ||
| mixedColor.lerp(colorOutside, x / config.radius); | ||
|
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| colors[i * 3 + 0] = mixedColor.r; | ||
| colors[i * 3 + 1] = mixedColor.g; | ||
| colors[i * 3 + 2] = mixedColor.b; | ||
| } | ||
|
|
||
| geometry.setAttribute('position', new BufferAttribute(positions, 3)); | ||
| geometry.setAttribute('color', new BufferAttribute(colors, 3)); | ||
|
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| material = new PointsMaterial({ | ||
| color: 'white', | ||
| size: config.size, | ||
| depthWrite: false, | ||
| sizeAttenuation: true, | ||
| blending: AdditiveBlending, | ||
| vertexColors: true, | ||
| transparent: true, | ||
| alphaMap: shape, | ||
| }); | ||
|
|
||
| points = new Points(geometry, material); | ||
| scene.add(points); | ||
|
|
||
| const sizes = { | ||
| width: window.innerWidth, | ||
| height: window.innerHeight, | ||
| }; | ||
|
|
||
| const camera = new PerspectiveCamera(70, sizes.width / sizes.height, 1, 50); | ||
| camera.position.x = 5; | ||
| camera.position.y = 2.5; | ||
| camera.position.z = 3; | ||
| camera.lookAt(0, 5, 0); | ||
| scene.add(camera); | ||
|
|
||
| const controls = new OrbitControls(camera, renderer.domElement); | ||
| controls.enableDamping = true; | ||
|
|
||
| renderer.setSize(sizes.width, sizes.height); | ||
| renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2)); | ||
|
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||
| const renderScene = new RenderPass(scene, camera); | ||
|
|
||
| const bloomPass = new UnrealBloomPass( | ||
| new Vector2(window.innerWidth, window.innerHeight), | ||
| 1.5, | ||
| 0.4, | ||
| 0.85, | ||
| ); | ||
| bloomPass.threshold = 0.05; | ||
| bloomPass.strength = 1.0; | ||
| bloomPass.radius = -0.25; | ||
|
|
||
| const composer = new EffectComposer(renderer); | ||
| composer.addPass(renderScene); | ||
| composer.addPass(bloomPass); | ||
|
|
||
| const resizeHandler = () => { | ||
| // Update sizes | ||
| sizes.width = window.innerWidth; | ||
| sizes.height = window.innerHeight; | ||
|
|
||
| // Update camera | ||
| camera.aspect = sizes.width / sizes.height; | ||
| camera.updateProjectionMatrix(); | ||
|
|
||
| // Update renderer | ||
| renderer.setSize(sizes.width, sizes.height); | ||
| composer.setSize(sizes.width, sizes.height); | ||
| renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2)); | ||
| }; | ||
|
|
||
| resizeHandler(); | ||
|
|
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| camera.rotation.x = 5; | ||
| camera.rotation.y = 0.7; | ||
|
|
||
| const animate = () => { | ||
| //Update the camera | ||
| points.rotation.y += 0.0003; | ||
| bgStars.rotation.y += 0.0008; | ||
|
|
||
| // Render | ||
| composer.render(); | ||
| // Call tick again on the next frame | ||
| requestAnimationFrame(animate); | ||
| }; | ||
|
|
||
| window.addEventListener('resize', resizeHandler); | ||
|
|
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| animate(); | ||
|
|
||
| return () => { | ||
| window.removeEventListener('resize', resizeHandler); | ||
|
|
||
| if (mountRef.current) { | ||
| mountRef.current.removeChild(renderer.domElement); | ||
| } | ||
| }; | ||
| }, []); | ||
|
|
||
| return ( | ||
| <div | ||
| ref={mountRef} | ||
| className="absolute top-0 left-0 right-0 bottom-0" | ||
| ></div> | ||
| ); | ||
| } |
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