Burbujas de hojas de sprites de lienzo

1116 Andev.web

Abrir en el editor Publica tu código

Recomendado

11 August 2025

Contenedor de animación de mensajes HTML

23 May 2024

formulario de inscripción sencillo y de descenso

1 August 2024

Formulario de tarjeta de crédito - VueJs

HTML

CSS

JS

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
}

Recomendado

Contenedor de animación de mensajes HTML

formulario de inscripción sencillo y de descenso

Formulario de tarjeta de crédito - VueJs

HTMLCopy

CSSCopy

JSCopy

HTML

CSS

JS