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* feat(comment): comment typing effect * chore(comment): _ replace $ --------- Co-authored-by: BNDong <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| { | ||
| "cSpell.words": ["POWERMODE"] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| /** | ||
| * UPDATES AND DOCS AT: https://github.com/wangyang0210 | ||
| * https://www.cnblogs.com/wangyang0210/ | ||
| * @author: https://github.com/disjukr/activate-power-mode | ||
| * @Date 2023-02-19 12:54 | ||
| * ---------------------------------------------- | ||
| * @describe: POWERMODE | ||
| */ | ||
|
|
||
| let canvas = document.createElement('canvas'); | ||
| canvas.width = window.innerWidth; | ||
| canvas.height = window.innerHeight; | ||
| canvas.style.cssText = 'position:fixed;top:0;left:0;pointer-events:none;z-index:999999'; | ||
| window.addEventListener('resize', function () { | ||
| canvas.width = window.innerWidth; | ||
| canvas.height = window.innerHeight; | ||
| }); | ||
| document.body.appendChild(canvas); | ||
| let context = canvas.getContext('2d'); | ||
| let particles = []; | ||
| let particlePointer = 0; | ||
| let rendering = false; | ||
|
|
||
| POWERMODE.shake = true; | ||
|
|
||
| function getRandom(min, max) { | ||
| return Math.random() * (max - min) + min; | ||
| } | ||
|
|
||
| function getColor(el) { | ||
| if (POWERMODE.colorful) { | ||
| let u = getRandom(0, 360); | ||
| return 'hsla(' + getRandom(u - 10, u + 10) + ', 100%, ' + getRandom(50, 80) + '%, ' + 1 + ')'; | ||
| } else { | ||
| return window.getComputedStyle(el).color; | ||
| } | ||
| } | ||
|
|
||
| function getCaret() { | ||
| let el = document.activeElement; | ||
| let bcr; | ||
| if (el.tagName === 'TEXTAREA' || | ||
| (el.tagName === 'INPUT' && el.getAttribute('type') === 'text')) { | ||
| let offset = require('./textareaCaretPosition')(el, el.selectionEnd); | ||
| bcr = el.getBoundingClientRect(); | ||
| return { | ||
| x: offset.left + bcr.left, | ||
| y: offset.top + bcr.top, | ||
| color: getColor(el) | ||
| }; | ||
| } | ||
| let selection = window.getSelection(); | ||
| if (selection.rangeCount) { | ||
| let range = selection.getRangeAt(0); | ||
| let startNode = range.startContainer; | ||
| if (startNode.nodeType === document.TEXT_NODE) { | ||
| startNode = startNode.parentNode; | ||
| } | ||
| bcr = range.getBoundingClientRect(); | ||
| return { | ||
| x: bcr.left, | ||
| y: bcr.top, | ||
| color: getColor(startNode) | ||
| }; | ||
| } | ||
| return { x: 0, y: 0, color: 'transparent' }; | ||
| } | ||
|
|
||
| function createParticle(x, y, color) { | ||
| return { | ||
| x: x, | ||
| y: y, | ||
| alpha: 1, | ||
| color: color, | ||
| velocity: { | ||
| x: -1 + Math.random() * 2, | ||
| y: -3.5 + Math.random() * 2 | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| function POWERMODE() { | ||
| { // spawn particles | ||
| let caret = getCaret(); | ||
| let numParticles = 5 + Math.round(Math.random() * 10); | ||
| while (numParticles--) { | ||
| particles[particlePointer] = createParticle(caret.x, caret.y, caret.color); | ||
| particlePointer = (particlePointer + 1) % 500; | ||
| } | ||
| } | ||
| { // shake screen | ||
| if (POWERMODE.shake) { | ||
| let intensity = 1 + 2 * Math.random(); | ||
| let x = intensity * (Math.random() > 0.5 ? -1 : 1); | ||
| let y = intensity * (Math.random() > 0.5 ? -1 : 1); | ||
| document.body.style.marginLeft = x + 'px'; | ||
| document.body.style.marginTop = y + 'px'; | ||
| setTimeout(function() { | ||
| document.body.style.marginLeft = ''; | ||
| document.body.style.marginTop = ''; | ||
| }, 75); | ||
| } | ||
| } | ||
| if(!rendering){ | ||
| requestAnimationFrame(loop); | ||
| } | ||
| }; | ||
| POWERMODE.colorful = false; | ||
|
|
||
| function loop() { | ||
| rendering = true; | ||
| context.clearRect(0, 0, canvas.width, canvas.height); | ||
| let rendered = false; | ||
| let rect = canvas.getBoundingClientRect(); | ||
| for (let i = 0; i < particles.length; ++i) { | ||
| let particle = particles[i]; | ||
| if (particle.alpha <= 0.1) continue; | ||
| particle.velocity.y += 0.075; | ||
| particle.x += particle.velocity.x; | ||
| particle.y += particle.velocity.y; | ||
| particle.alpha *= 0.96; | ||
| context.globalAlpha = particle.alpha; | ||
| context.fillStyle = particle.color; | ||
| context.fillRect( | ||
| Math.round(particle.x - 1.5) - rect.left, | ||
| Math.round(particle.y - 1.5) - rect.top, | ||
| 3, 3 | ||
| ); | ||
| rendered = true; | ||
| } | ||
| if(rendered){ | ||
| requestAnimationFrame(loop); | ||
| }else{ | ||
| rendering = false; | ||
| } | ||
| } | ||
|
|
||
| module.exports = POWERMODE; |
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