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<script src="decode.ts" type="module"></script> |
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// Include the pako library | ||
import pako from 'pako'; | ||
import compressedJsRaw from './compressed.js?raw' | ||
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function decompressFromBase64(input) { | ||
// Decode the Base64 string | ||
const binaryString = atob(input); | ||
const len = binaryString.length; | ||
const bytes = new Uint8Array(len); | ||
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// Convert the binary string to a byte array | ||
for (let i = 0; i < len; i++) { | ||
bytes[i] = binaryString.charCodeAt(i); | ||
} | ||
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// Decompress the byte array | ||
const decompressedData = pako.inflate(bytes, { to: 'string' }); | ||
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return decompressedData; | ||
} | ||
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// Use the function | ||
console.time('decompress'); | ||
const decompressedData = decompressFromBase64(compressedJsRaw); | ||
console.timeEnd('decompress') | ||
console.log(decompressedData) |
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<script type="module" src="three.ts"></script> |
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import * as THREE from 'three' | ||
import * as tweenJs from '@tweenjs/tween.js' | ||
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls.js' | ||
import * as THREE from 'three'; | ||
import Jimp from 'jimp'; | ||
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const scene = new THREE.Scene() | ||
const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000) | ||
camera.position.set(0, 0, 5) | ||
const renderer = new THREE.WebGLRenderer() | ||
renderer.setSize(window.innerWidth, window.innerHeight) | ||
document.body.appendChild(renderer.domElement) | ||
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const controls = new OrbitControls(camera, renderer.domElement) | ||
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const geometry = new THREE.BoxGeometry(1, 1, 1) | ||
const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 }) | ||
const cube = new THREE.Mesh(geometry, material) | ||
cube.position.set(0.5, 0.5, 0.5); | ||
const group = new THREE.Group() | ||
group.add(cube) | ||
group.position.set(-0.5, -0.5, -0.5); | ||
const outerGroup = new THREE.Group() | ||
outerGroup.add(group) | ||
outerGroup.scale.set(0.2, 0.2, 0.2) | ||
outerGroup.position.set(1, 1, 0) | ||
scene.add(outerGroup) | ||
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// const mesh = new THREE.Mesh(new THREE.BoxGeometry(1, 1, 1), new THREE.MeshBasicMaterial({ color: 0x00_00_ff, transparent: true, opacity: 0.5 })) | ||
// mesh.position.set(0.5, 1, 0.5) | ||
// const group = new THREE.Group() | ||
// group.add(mesh) | ||
// group.position.set(-0.5, -1, -0.5) | ||
// const outerGroup = new THREE.Group() | ||
// outerGroup.add(group) | ||
// // outerGroup.position.set(this.camera.position.x, this.camera.position.y, this.camera.position.z) | ||
// scene.add(outerGroup) | ||
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new tweenJs.Tween(group.rotation).to({ z: THREE.MathUtils.degToRad(90) }, 1000).yoyo(true).repeat(Infinity).start() | ||
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const tweenGroup = new tweenJs.Group() | ||
function animate () { | ||
tweenGroup.update() | ||
requestAnimationFrame(animate) | ||
// cube.rotation.x += 0.01 | ||
// cube.rotation.y += 0.01 | ||
renderer.render(scene, camera) | ||
} | ||
animate() | ||
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// let animation | ||
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window.animate = () => { | ||
// new Tween.Tween(group.position).to({ y: group.position.y - 1}, 1000 * 0.35/2).yoyo(true).repeat(1).start() | ||
new tweenJs.Tween(group.rotation, tweenGroup).to({ z: THREE.MathUtils.degToRad(90) }, 1000 * 0.35 / 2).yoyo(true).repeat(Infinity).start().onRepeat(() => { | ||
console.log('done') | ||
}) | ||
} | ||
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window.stop = () => { | ||
tweenGroup.removeAll() | ||
} | ||
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function createGeometryFromImage() { | ||
return new Promise<THREE.ShapeGeometry>((resolve, reject) => { | ||
const img = new Image(); | ||
img.src = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAABEElEQVQ4jWNkIAPw2Zv9J0cfXPOSvx/+L/n74T+HqsJ/JlI1T9u3i6H91B7ybdY+vgZuO1majV+fppFmPnuz/+ihy2dv9t/49Wm8mlECkV1FHh5FfPZm/1XXTGX4cechA4eKPMNVq1CGH7cfMBJ0rlxX+X8OVYX/xq9P/5frKifoZ0Z0AwS8HRkYGBgYvt+8xyDXUUbQZgwJPnuz/+wq8gw/7zxk+PXsFUFno0h6mon+l5fgZFhwnYmBTUqMgYGBgaAhLMiaHQyFGOZvf8Lw49FXRgYGhv8MDAwwg/7jMoQFFury/C8Y5m9/wnADohnZVryJhoWBARJ9Cw69gtmMAgiFAcuvZ68Yfj17hU8NXgAATdKfkzbQhBEAAAAASUVORK5CYII=' | ||
console.log('img.complete', img.complete) | ||
img.onload = () => { | ||
const canvas = document.createElement('canvas'); | ||
canvas.width = img.width; | ||
canvas.height = img.height; | ||
const context = canvas.getContext('2d'); | ||
context.drawImage(img, 0, 0, img.width, img.height); | ||
const imgData = context.getImageData(0, 0, img.width, img.height); | ||
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const shape = new THREE.Shape(); | ||
for (let y = 0; y < img.height; y++) { | ||
for (let x = 0; x < img.width; x++) { | ||
const index = (y * img.width + x) * 4; | ||
const alpha = imgData.data[index + 3]; | ||
if (alpha !== 0) { | ||
shape.lineTo(x, y); | ||
} | ||
} | ||
} | ||
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const geometry = new THREE.ShapeGeometry(shape); | ||
resolve(geometry); | ||
}; | ||
img.onerror = reject; | ||
}); | ||
} | ||
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// Usage: | ||
const shapeGeomtry = createGeometryFromImage().then(geometry => { | ||
const material = new THREE.MeshBasicMaterial({ color: 0xffffff }); | ||
const mesh = new THREE.Mesh(geometry, material); | ||
scene.add(mesh); | ||
}) |
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