Files
P42_UI/app/assets/sfx/intro.js
T
2025-11-09 12:20:43 +00:00

213 lines
6.8 KiB
JavaScript

import * as THREE from 'three'
import { FontLoader } from 'three/examples/jsm/loaders/FontLoader.js'
import { TextGeometry } from 'three/examples/jsm/geometries/TextGeometry.js'
import { RGBELoader } from 'three/examples/jsm/loaders/RGBELoader.js'
// === Scene & Camera ===
const scene = new THREE.Scene()
const camera = new THREE.PerspectiveCamera(50, window.innerWidth / window.innerHeight, 0.01, 100)
camera.position.set(0.1, 0.02, 4)
//camera.position.z = 4
// === Renderer (transparent) ===
const renderer = new THREE.WebGLRenderer({
antialias: true,
alpha: true,
canvas: document.querySelector('.intro3d')
})
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2))
renderer.setSize(window.innerWidth, window.innerHeight)
renderer.setClearColor(0x000000, 0)
renderer.outputColorSpace = THREE.SRGBColorSpace
const rgbeLoader = new RGBELoader()
rgbeLoader.load('/app/assets/images/satara_night_no_lamps_2k.hdr', hdrTexture => {
hdrTexture.mapping = THREE.EquirectangularReflectionMapping
scene.environment = hdrTexture
scene.background = hdrTexture
})
// === Load background as a plane that fits the viewport ===
const loader = new THREE.TextureLoader()
let plane
let planeDistance = 4.4
loader.load('/app/assets/images/logop42-intro_three.png', texture => {
texture.colorSpace = THREE.SRGBColorSpace
texture.wrapS = THREE.ClampToEdgeWrapping
texture.wrapT = THREE.ClampToEdgeWrapping
texture.minFilter = THREE.LinearFilter
texture.magFilter = THREE.LinearFilter
const imageAspect = texture.image.width / texture.image.height
// Create plane sized to exactly fill the camera frustum at Z = -planeDistance
function makeOrResizePlane() {
const fovRad = THREE.MathUtils.degToRad(camera.fov)
const viewHeight = 2 * Math.tan(fovRad / 2) * planeDistance
const viewWidth = viewHeight * camera.aspect
let planeWidth, planeHeight
if (viewWidth / viewHeight > imageAspect) {
planeHeight = viewHeight
planeWidth = planeHeight * imageAspect
} else {
planeWidth = viewWidth
planeHeight = planeWidth / imageAspect
}
if (!plane) {
const geo = new THREE.PlaneGeometry(planeWidth, planeHeight)
const mat = new THREE.MeshBasicMaterial({ map: texture })
plane = new THREE.Mesh(geo, mat)
plane.scale.set(1.44, 1.5, 1)
plane.position.z = 0
plane.renderOrder = 0
scene.add(plane)
} else {
plane.geometry.dispose()
plane.geometry = new THREE.PlaneGeometry(planeWidth, planeHeight)
}
}
makeOrResizePlane()
onResizeCallbacks.push(makeOrResizePlane)
})
const glassMat = new THREE.MeshPhysicalMaterial({
color: 0xffffff,
metalness: .05,
roughness: 0.05, //0.02,
transmission: 1, //1, // true glass
thickness: 1,//0.6,
ior: 1.45, //1.5,
envMapIntensity: 1.2,
attenuationColor: new THREE.Color(0x88ffcc),
attenuationDistance: 2,
envMapIntensity: 2.5
})
// === Lights ===
const l1 = new THREE.DirectionalLight(0xffbb33, 1)
l1.position.set(-1, 1.5, 6)
scene.add(l1)
const l2 = new THREE.DirectionalLight(0xffbb33, 1)
l2.position.set(2, -1.5, 6)
scene.add(l2)
const lettersPosScale =[
{ position: { x: -0.98, y: 0.02, z: -1 }, scale: { x: 1, y: 1.12, z: 1 } },
{ position: { x: -0.63, y: -0.04, z: -1.05 }, scale: { x: 1, y: 1.05, z: 1 } },
{ position: { x: -0.28, y: -0.05, z: -1.1 }, scale: { x: 0.9, y: 1.15, z: 1, X: 0.8 } },
{ position: { x: -0.1, y: -0.04, z: -1.15 }, scale: { x: 1, y: 1, z: 1 } },
{ position: { x: 0.12, y: -0.06, z: -1.2 }, scale: { x: 0.65, y: 1, z: 1 } },
{ position: { x: 0.355, y: -0.055, z: -1.25 }, scale: { x: 0.5, y: 0.9, z: 1, Y: 0.9 } },
{ position: { x: 0.53, y: -0.01, z: -1.3 }, scale: { x: 1, y: 0.94, z: 1 } },
{ position: { x: 0.84, y: -0.05, z: -1.35 }, scale: { x: 0.95, y: 1.04, z: 1 } },
{ position: { x: 1.17, y: -0.05, z: -1.4 }, scale: { x: 0.7, y: 1.02, z: 1 } },
]
const glassLetters = []
const text = 'Project42'
const fontLoader = new FontLoader()
fontLoader.load('/app/thirdparty/Three/fonts/helvetiker_regular.typeface.json', font => {
const mat = new THREE.MeshPhysicalMaterial({
metalness: 0.2,
roughness: 0.04,
transmission: 1,
thickness: 0.8,
ior: 1.45,
envMapIntensity: 1.2,
attenuationColor: new THREE.Color(0x88ffcc),
attenuationDistance: 2,
color: 0x88ffcc,
emissive: 0x00CCFF,
emissiveIntensity: 0.05,
})
for (let i = 0; i < text.length; i++) {
const char = text[i]
const geo = new TextGeometry(char, {
font,
size: .5,
height: 0.15,
curveSegments: 32,
bevelEnabled: true,
bevelThickness: 0.03,
bevelSize: 0.03,
bevelSegments: 32
})
geo.center()
const mesh = new THREE.Mesh(geo, mat)
mesh.position.set(lettersPosScale[i].position.x, lettersPosScale[i].position.y, lettersPosScale[i].position.z)
mesh.scale.set(lettersPosScale[i].scale.x, lettersPosScale[i].scale.y, lettersPosScale[i].scale.z)
scene.add(mesh)
glassLetters.push(mesh)
}
})
// Helper: update envMap (hide cube → capture → show cube)
function updateEnvMap() {
const wasVisible = cube.visible
cube.visible = false
cubeCam.update(renderer, scene)
cube.visible = wasVisible
glassMat.envMap = cubeRT.texture
glassMat.needsUpdate = true
}
let t = 0
let lettersZ=-1
function animate() {
requestAnimationFrame(animate)
lettersZ += .005
for(const letter of glassLetters){
letter.position.z += 0.005 //= lettersZ
}
if(lettersZ>1.5) {
for(const [i, letter] of glassLetters.entries()){
letter.rotation.x += Math.abs(i-4)/-1000
letter.rotation.y += (i-4)/2000
letter.position.x += (i-4)/4000
}
}
if(lettersZ>4.5) {
lettersZ = -1
for(const [i, letter] of glassLetters.entries()){
letter.rotation.y = 0
letter.rotation.x = 0
letter.position.x = lettersPosScale[i].position.x
letter.position.z = lettersPosScale[i].position.z
}
}
// refresh envmap if anything moves around glass to update reflections
//if ((t++ % 2) === 0) updateEnvMap()
renderer.render(scene, camera)
}
animate()
// === Resize handling ===
const onResizeCallbacks = []
window.addEventListener('resize', () => {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
onResizeCallbacks.forEach(fn => fn())
})