mouse scrolling on Firefox?, i have the question of how i can get mouse scrolling on Firefox?
i try to put mouse scrolling functions on firefox, but i can't this is my code:
<!DOCTYPE html> <html> <head> <title>Canvas</title> <meta charset="UTF-8"> <meta name="author" content="http://programmingheroes.blogspot.com.es"> <style>@font-face { font-family: "PlaneCrash"; src: url('Calligraffiti.eot?') format('eot'), url('Calligraffiti.woff') format('woff'), url('Calligraffiti.ttf') format('truetype'), url('Calligraffiti.svg#Calligraffiti') format('svg'); } body { background-color: #000; overflow: hidden; margin: 0; } div { -moz-user-select: none; -moz-user-select: none; } canvas { background-color: #000; position: absolute; } #title { -moz-transform: rotateZ(-5deg); -moz-transition: -moz-transform 2s; -moz-box-reflect: below -40px -moz-gradient(linear, left top, left bottom, from(transparent), to(rgba(255, 255, 255, 0.6))); -moz-transform-origin: 0% 100%; font-family: "PlaneCrash"; position: relative; text-align: center; top: 30px; font-size: 6em; color: red; text-shadow: 0px 0px 20px white; } #title:hover { -moz-transform: rotateZ(5deg); } </style> <script> window.addEventListener("resize", resizeCanvas, false); window.addEventListener("DOMContentLoaded", onLoad, false); window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) { window.setTimeout(callback, 1000/60); }; var canvas, ctx, w, h, particles = [], probability = 0.09, xPoint, yPoint; var img = new Image(); img.src = "img/fire.png"; function onLoad() { canvas = document.getElementById("canvas"); canvas.addEventListener("mousedown", mouseDown, false); canvas.addEventListener("DOMMouseScroll", DOMMouseScroll, false); ctx = canvas.getContext("2d"); resizeCanvas(); window.requestAnimationFrame(updateWorld); } // fin de onLoad(); function mouseDown() { createFirework(); } // fin de moveDown(e); function DOMMouseScroll(e) { e = e || window.event; if (e.DOMMouseScroll > 0) { probability += 0.01; } else { (e.DOMMouseScroll < 0) probability -= 0.01; probability = probability<0? 0: probability; } } // fin dw mouseWheel(); function resizeCanvas() { if (!!canvas) { w = canvas.width = window.innerWidth; h = canvas.height = window.innerHeight; } } // fin de resizeCanvas(); function updateWorld() { update(); paint(); window.requestAnimationFrame(updateWorld); } // fin de update(); function update() { if (particles.length < 500 && Math.random() < probability) { createFirework(); } var alive = []; for (var i=0; i<particles.length; i++) { if (particles[i].move()) { alive.push(particles[i]); } } particles = alive; } // fin de update(); function paint() { ctx.globalCompositeOperation = 'source-over'; ctx.fillStyle = "rgba(0,0,0,0.2)"; ctx.fillRect(0, 0, w, h); ctx.globalCompositeOperation = 'lighter'; for (var i=0; i<particles.length; i++) { particles[i].draw(ctx); } } // fin de paint(); function createFirework() { xPoint = Math.random()*(w-200)+100; yPoint = Math.random()*(h-200)+100; var nFire = Math.random()*50+100; var c = "rgb("+(~~(Math.random()*200+55))+"," +(~~(Math.random()*200+55))+","+(~~(Math.random()*200+55))+")"; for (var i=0; i<nFire; i++) { var particle = new Particle(); particle.color = c; var vy = Math.sqrt(25-particle.vx*particle.vx); if (Math.abs(particle.vy) > vy) { particle.vy = particle.vy>0 ? vy: -vy; } particles.push(particle); } } // fin de createParticles(); function Particle() { this.w = this.h = Math.random()*6+1; // Position this.x = xPoint-this.w/2; this.y = yPoint-this.h/2; // Velocidades x e y entre -5 y +5 this.vx = (Math.random()-0.5)*10; this.vy = (Math.random()-0.5)*10; // Tiempo de vida this.alpha = Math.random()*.5+.5; // color this.color; } // fin de Particle(); Particle.prototype = { gravity: 0.05, move: function () { this.x += this.vx; this.vy += this.gravity; this.y += this.vy; this.alpha -= 0.01; if (this.x <= -this.w || this.x >= screen.width || this.y >= screen.height || this.alpha <= 0) { return false; } return true; }, draw: function (c) { c.save(); c.beginPath(); c.translate(this.x+this.w/2, this.y+this.h/2); c.arc(0, 0, this.w, 0, Math.PI*2); c.fillStyle = this.color; c.globalAlpha = this.alpha; c.closePath(); c.fill(); c.restore(); } } // fin de Particle.prototype; </script> </head> <body> <noscript> No tiene habilitado JavaScript. Debería habilitarlo para poder disfrutar al completo de los contenidos de esta página. </noscript> <div> <canvas id="canvas"> Tu navegador no soporta el elemento <code>canvas</code> de HTML5. </canvas> </div> <div id="title"> fireworks! </div> </body> </html>
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Note that some CSS properties now longer need or can be prefixed with a -moz- prefix.
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