Canvas Background Effect

Developer
Nick Mkrtchyan
Size
3,513 Kb
Views
26,299

How do I make an canvas background effect?

What is a canvas background effect? How do you make a canvas background effect? This script and codes were developed by Nick Mkrtchyan on 10 November 2022, Thursday.

Canvas Background Effect Previews
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Canvas Background Effect - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Canvas Background Effect</title> <script src="https://s.codepen.io/assets/libs/modernizr.js" type="text/javascript"></script> <style> /* NOTE: The styles were added inline because Prefixfree needs access to your styles and they must be inlined if they are on local disk! */ body { margin: 0; padding: 0
}
#pixie { position:fixed; background-color: #164979; width:100%; height:100%; filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#040429', endColorstr='#257EB7', GradientType=0); /* IE6-9 */ background: -ms-linear-gradient(top, #0E2A55 40%, #0E2A55 40%, #1D6196 60%); /* IE10+ */ background: -webkit-gradient(linear, center top, center bottom, from(#040429), to(#257EB7)); /* Chrome, Safari 4+ */ background: -webkit-linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Chrome 10-25, iOS 5+, Safari 5.1+ */ background: -moz-linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Firefox 3.6-15 */ background: -o-linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Opera 11.10-12.00 */ background: linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Chrome 26, Firefox 16+, IE 10+, Opera 12.10+ */ margin:0; padding:0;
} </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <canvas id="pixie"></canvas>
<div class="container"></div>
<script src="https://code.jquery.com/jquery-1.7.1.min.js" type="text/javascript"></script> <script src="js/index.js"></script>
</body>
</html>

Canvas Background Effect - Script Codes CSS Codes

body { margin: 0; padding: 0
}
#pixie { position:fixed; background-color: #164979; width:100%; height:100%; filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#040429', endColorstr='#257EB7', GradientType=0); /* IE6-9 */ background: -ms-linear-gradient(top, #0E2A55 40%, #0E2A55 40%, #1D6196 60%); /* IE10+ */ background: -webkit-gradient(linear, center top, center bottom, from(#040429), to(#257EB7)); /* Chrome, Safari 4+ */ background: -webkit-linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Chrome 10-25, iOS 5+, Safari 5.1+ */ background: -moz-linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Firefox 3.6-15 */ background: -o-linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Opera 11.10-12.00 */ background: linear-gradient(center top, #040429, #257EB7) repeat scroll 0 0 rgba(0, 0, 0, 0); /* Chrome 26, Firefox 16+, IE 10+, Opera 12.10+ */ margin:0; padding:0;
}

Canvas Background Effect - Script Codes JS Codes

function draw() { con.clearRect(0, 0, WIDTH, HEIGHT); for (var e = 0; e < pxs.length; e++) { pxs[e].fade(); pxs[e].move(); pxs[e].draw() }
}
function Circle() { WIDTH = window.innerWidth; HEIGHT = window.innerHeight; this.s = { ttl: 8e3, xmax: 5, ymax: 2, rmax: 10, rt: 1, xdef: 960, ydef: 540, xdrift: 4, ydrift: 4, random: true, blink: true }; this.reset = function () { this.x = this.s.random ? WIDTH * Math.random() : this.s.xdef; this.y = this.s.random ? HEIGHT * Math.random() : this.s.ydef; this.r = (this.s.rmax - 1) * Math.random() + 1; this.dx = Math.random() * this.s.xmax * (Math.random() < .5 ? -1 : 1); this.dy = Math.random() * this.s.ymax * (Math.random() < .5 ? -1 : 1); this.hl = this.s.ttl / rint * (this.r / this.s.rmax); this.rt = Math.random() * this.hl; this.s.rt = Math.random() + 1; this.stop = Math.random() * .2 + .4; this.s.xdrift *= Math.random() * (Math.random() < .5 ? -1 : 1); this.s.ydrift *= Math.random() * (Math.random() < .5 ? -1 : 1) }; this.fade = function () { this.rt += this.s.rt }; this.draw = function () { if (this.s.blink && (this.rt <= 0 || this.rt >= this.hl)) this.s.rt = this.s.rt * -1; else if (this.rt >= this.hl) this.reset(); var e = 1 - this.rt / this.hl; con.beginPath(); con.arc(this.x, this.y, this.r, 0, Math.PI * 2, true); con.closePath(); var t = this.r * e; g = con.createRadialGradient(this.x, this.y, 0, this.x, this.y, t <= 0 ? 1 : t); g.addColorStop(0, "rgba(255,255,255," + e + ")"); g.addColorStop(this.stop, "rgba(77,101,181," + e * .6 + ")"); g.addColorStop(1, "rgba(77,101,181,0)"); con.fillStyle = g; con.fill() }; this.move = function () { WIDTH = window.innerWidth; HEIGHT = window.innerHeight; this.x += this.rt / this.hl * this.dx; this.y += this.rt / this.hl * this.dy; if (this.x > WIDTH || this.x < 0) this.dx *= -1; if (this.y > HEIGHT || this.y < 0) this.dy *= -1 }; this.getX = function () { return this.x }; this.getY = function () { return this.y }
}
var WIDTH;
var HEIGHT;
var canvas;
var con;
var g;
var pxs = new Array;
var rint = 60;
$(document).ready(function () { WIDTH = "100%"; HEIGHT = "100%"; $("#container").width(WIDTH).height(HEIGHT); WIDTH = window.innerWidth; HEIGHT = window.innerHeight; canvas = document.getElementById("pixie"); $(canvas).attr("width", WIDTH).attr("height", HEIGHT); con = canvas.getContext("2d"); for (var e = 0; e < 100; e++) { pxs[e] = new Circle; pxs[e].reset() } setInterval(draw, rint)
});
$(".services .header2 .service-header").hover(function () { var e = $(this); e.find("h3").hide(); $(this).parent().find(".header-bg").stop(true, true).animate({ width: "100%" }, "fast", function () { e.find("h3").addClass("active").fadeIn("fast") })
}, function () { var e = $(this); e.find("h3").hide(); e.parent().find(".header-bg").stop(true, true).animate({ width: 70 }, "fast", function () { e.find("h3").removeClass("active").fadeIn("fast") })
})
Canvas Background Effect - Script Codes
Canvas Background Effect - Script Codes
Home Page Home
Developer Nick Mkrtchyan
Username Sonick
Uploaded November 10, 2022
Rating 4
Size 3,513 Kb
Views 26,299
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