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index.js
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index.js
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function seperateAnimation(query, animation) {
let i = 0
let target = document.querySelector(query)
let nodes = []
for(let node of target.childNodes) nodes.push(node.cloneNode())
target.textContent = ''
target.style.whiteSpace = 'pre-wrap'
for(let node of nodes) {
if(node.nodeName == '#text') for(let text of node.nodeValue.split('')) {
let element = document.createElement('span')
element.textContent = text
element.style.display = 'inline-block'
animation(element, i)
document.querySelector(query).append(element)
i++
} else {
target.append(node)
}
}
}
let intersectionObserver = new IntersectionObserver((entries, observer) => {
for(let [i, entry] of entries.entries()) {
if(entry.target.tagName == 'SECTION') {
let button = document.querySelector(`#menu-button-${entry.target.id}`)
if(entry.isIntersecting) button.classList.add('highlighted')
else button.classList.remove('highlighted')
if(entry.target.id == 'about' && !entry.isIntersecting) document.querySelector('#character').dataset.sleep = document.querySelector('#character').dataset.sleep == 'false'
} else if(entry.isIntersecting) {
setTimeout(() => entry.target.classList.remove('hide') , (i + 1) * 100)
observer.unobserve(entry.target)
}
}
}, {threshold: 0.1} )
function addMenuButton(id, subtitle) {
let menuButton = document.createElement('div')
menuButton.id = `menu-button-${id.toLowerCase()}`
menuButton.classList.add('menu-button')
menuButton.style.animationDelay = `${(document.getElementsByClassName('menu-button').length + 3) / 10}s`
menuButton.textContent = id
menuButton.onclick = () => {
document.querySelector(`#${id.toLowerCase()}`).scrollIntoView()
document.querySelector('#menu-toggle').classList.toggle('toggled')
}
menuButton.dataset.subtitle = `${subtitle}/`
document.querySelector('nav').append(menuButton)
}
function loadContents(list, sectionId, subtitle, createElement, hideButton) {
let section = document.querySelector(`#${sectionId.toLowerCase()}`)
if(!hideButton) {
let header = document.createElement('h2')
header.textContent = sectionId
header.classList.add('hide')
section.append(header)
intersectionObserver.observe(header)
intersectionObserver.observe(section)
addMenuButton(sectionId, subtitle)
}
let container = document.createElement('div')
container.classList.add('container')
section.append(container)
for(let item of list) {
let element = createElement(item)
element.classList.add('hide')
intersectionObserver.observe(element)
container.append(element)
}
}
addMenuButton('About', '關於')
intersectionObserver.observe(document.getElementById('about'))
loadContents(links, 'Links', '連結', item => {
let link = document.createElement('a')
link.classList.add('link')
link.textContent = item.name
link.href = item.link
link.target = '_blank'
return link
}, true)
loadContents(works, 'Works', '作品', item => {
let project = document.querySelector('#project').content.firstElementChild.cloneNode(true)
project.querySelector('h3').textContent = item.name
project.querySelector('p').textContent = item.description
project.querySelector('img').src = item.src
project.querySelector('a').href = item.link
return project
})
loadContents(projects, 'Projects', '專案', item => {
let project = document.querySelector('#project').content.firstElementChild.cloneNode(true)
project.querySelector('h3').textContent = item.name
project.querySelector('p').textContent = item.description
project.querySelector('img').src = item.src
project.querySelector('a').href = item.link
return project
})
function loadMedia(item) {
let media = document.querySelector('#media').content.firstElementChild.cloneNode(true)
media.querySelector(item.src.endsWith('.mp4')? 'img' :'video').remove()
let mediaElement = media.querySelector('img, video')
mediaElement.addEventListener((!item.src.endsWith('.mp4'))? 'load' : 'loadeddata', e => {
e.target.parentElement.style.setProperty('--aspect', (e.target.naturalWidth / e.target.naturalHeight) || (e.target.videoWidth / e.target.videoHeight))
})
mediaElement.src = item.src
if(item.link) {
let a = document.createElement('a')
a.href = item.link
a.target = '_blank'
media.append(a)
media.classList.add('media-link')
}
if(item.pixel) mediaElement.classList.add('pixel')
media.querySelector('.media-name').textContent = item.info.split(' / ')[0]
media.querySelector('.media-date').textContent = item.info.split(' / ')[1]
return media
}
loadContents(creations, 'Creations', '創作', loadMedia)
loadContents(illustrations, 'Illustrations', '插畫', loadMedia)
document.querySelector('nav > img').onclick = () => {
document.querySelector(`#about`).scrollIntoView()
document.querySelector('#menu-toggle').classList.toggle('toggled')
}
seperateAnimation('#works > h2', (element, i) => { element.style.transitionDelay = `${i * 0.05}s` })
seperateAnimation('#projects > h2', (element, i) => { element.style.transitionDelay = `${i * 0.05}s` })
seperateAnimation('#creations > h2', (element, i) => { element.style.transitionDelay = `${i * 0.05}s` })
seperateAnimation('#illustrations > h2', (element, i) => { element.style.transitionDelay = `${i * 0.05}s` })
let mouseEffect = new MouseEffect('mouse-effect', 'a, .menu-button, #menu-toggle')
mouseEffect.mouseX = -1000
function draw(time) {
requestAnimationFrame(draw)
if(document.querySelector('#character').dataset.sleep == 'true') sprite.play('sleep')
else {
let box = sprite.element.getBoundingClientRect()
let dir = Math.atan2(mouseEffect.mouseY - (box.top + box.bottom) / 2, mouseEffect.mouseX - (box.left + box.right) / 2)
let dist = Math.sqrt(Math.pow(mouseEffect.mouseY - (box.top + box.bottom) / 2, 2) + Math.pow(mouseEffect.mouseX - (box.left + box.right) / 2, 2))
if(dist < 100) {
sprite.play('center')
} else if(dir < Math.PI * 0.25 && dir >= -Math.PI * 0.25) {
sprite.play('right')
} else if(dir < Math.PI * 0.75 && dir >= Math.PI * 0.25) {
sprite.play('down')
} else if(dir < -Math.PI * 0.75 || dir >= Math.PI * 0.25) {
sprite.play('left')
} else {
sprite.play('up')
}
}
sprite.update(time)
if(!mouseEffect.updated) mouseEffect.update(time)
}
let sprite = new SpriteAnimation(5, 5, '#character')
sprite.addClip('sleep', [
{ time: 500, index: 0 },
{ time: 500, index: 1 },
{ time: 500, index: 2 },
{ time: 500, index: 3 },
{ time: 500, index: 4 },
])
sprite.addClip('center', [
{ time: 1000, index: 7 },
{ time: 1000, index: 6 },
{ time: 1000, index: 7 },
{ time: 1000, index: 6 },
{ time: 1000, index: 7 },
{ time: 125, index: 6 },
{ time: 125, index: 5 },
{ time: 750, index: 6 },
])
sprite.addClip('right', [
{ time: 1000, index: 9 },
{ time: 1000, index: 8 },
{ time: 1000, index: 9 },
{ time: 1000, index: 8 },
{ time: 1000, index: 9 },
{ time: 125, index: 8 },
{ time: 125, index: 5 },
{ time: 750, index: 8 },
])
sprite.addClip('left', [
{ time: 1000, index: 11 },
{ time: 1000, index: 10 },
{ time: 1000, index: 11 },
{ time: 1000, index: 10 },
{ time: 1000, index: 11 },
{ time: 125, index: 10 },
{ time: 125, index: 5 },
{ time: 750, index: 10 },
])
sprite.addClip('up', [
{ time: 1000, index: 15 },
{ time: 1000, index: 14 },
{ time: 1000, index: 15 },
{ time: 1000, index: 14 },
{ time: 1000, index: 15 },
{ time: 125, index: 14 },
{ time: 125, index: 5 },
{ time: 750, index: 14 },
])
sprite.addClip('down', [
{ time: 1000, index: 13 },
{ time: 1000, index: 12 },
{ time: 1000, index: 13 },
{ time: 1000, index: 12 },
{ time: 1000, index: 13 },
{ time: 125, index: 12 },
{ time: 125, index: 5 },
{ time: 750, index: 12 },
])
requestAnimationFrame(draw)