Burbujas de hojas de sprites de lienzo

2,185 Andev.web

Abrir en el editor Publica tu código

Recomendado

28 August 2025

Ejemplo de contenedor de animación CSS

12 December 2025

Portafolio de desarrolladores: ejemplos de HTML, CSS y JavaScript

21 July 2025

Pantalla de TV HTML con incrustación de YouTube y efectos

HTML

CSS

console.clear()

const c = document.querySelector('canvas')
const ctx = c.getContext('2d')
let cw = c.width = innerWidth
let ch = c.height = innerHeight
const bubbles = []
const debounce = gsap.to(window, {duration:0.07})
const img = new Image()
const m = {x:0, y:0}

img.src = 'https://assets.codepen.io/721952/bubbles_1.webp'

img.onload = ()=>{
  for (i=0; i<20; i++) {
    m.x = gsap.utils.random(150, cw-150, 1)
    m.y = gsap.utils.random(150, ch-150, 1)
    makeBubble(true)
  }
}

window.onpointerdown = window.onpointermove = e =>{ 
  m.x = e.x
  m.y = e.y
  makeBubble()
} 
  
function makeBubble(auto){
  if (debounce.progress()==1 || auto) {
    debounce.play(0)
    
    const dist = gsap.utils.random(100, 200)
    const scale = gsap.utils.random(0.4, 0.8)
    const b = {
      dur:gsap.utils.random(3, 7),
      spriteDur:gsap.utils.random(0.12, 0.5),
      rotate:gsap.utils.random(-9, 9),
      scaleX:scale,
      scaleY:scale,
      step:0,
      x:0,
      y:0,
      n:bubbles.length
    }
    
    bubbles.push(b)
    
    gsap.timeline({defaults:{ease:'none'}})
    
    .fromTo(b, { 
      x:m.x-75*scale,
      y:m.y-75*scale,
    },{
      duration:b.dur,
      rotate:'+='+gsap.utils.random(-5, 5, 1),
      motionPath:()=>'M'+b.x+','+b.y+
                     'c'+gsap.utils.random(-dist,dist,1)+','+gsap.utils.random(-dist,dist,1)+' '+
                      gsap.utils.random(-dist,dist,1)+','+gsap.utils.random(-dist,dist,1)+' '+
                      gsap.utils.random(-dist,dist,1)+','+gsap.utils.random(-dist,dist,1)
    }, 0)
    
    .to(b, { 
      duration:b.dur/5,
      ease:'sine.inOut',
      yoyo:true,
      repeat:3,
      repeatRefresh:true,
      scaleX:()=>scale+gsap.utils.random(-0.1,0.1),
      scaleY:()=>scale+gsap.utils.random(-0.1,0.1),
    }, b.dur/5)
    
    .to(b, {
      duration:b.spriteDur,
      step:8, 
      snap:'step'
    }, b.dur-b.spriteDur*2)
    
  }
}

gsap.ticker.add(()=>{
  ctx.clearRect(0,0,cw,ch)
  bubbles.forEach(b=> {
    ctx.translate(b.x+b.scaleX*75, b.y+b.scaleY*75)
    ctx.rotate(b.rotate)
    ctx.drawImage(img, 0, b.step*150, 150, 150, -b.scaleX*75, -b.scaleY*75, b.scaleX*150, b.scaleY*150)
    ctx.rotate(-b.rotate)
    ctx.translate(-b.x-b.scaleX*75, -b.y-b.scaleY*75)
  })
})

window.onresize = ()=>{
  cw = c.width = innerWidth
  ch = c.height = innerHeight
}