Mouse Position Background Focus Effect

Developer
Stan Williams
Size
4,213 Kb
Views
40,480
  1. Mouse Position Background Focus Effect Previews
  2. Mouse Position Background Focus Effect HTML Codes
  3. Mouse Position Background Focus Effect CSS Codes
  4. Mouse Position Background Focus Effect JS Codes

How do I make an mouse position background focus effect?

A little demo of a technique I'm working on for a client to draw attention towards the center of the screen. The javascript style filter: blur is only webkit for the time being.. What is a mouse position background focus effect? How do you make a mouse position background focus effect? This script and codes were developed by Stan Williams on 08 September 2022, Thursday.

Mouse Position Background Focus Effect Previews
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Mouse Position Background Focus Effect - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Mouse Position Background Focus Effect</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div id="blur-layer"> <div id="image-layer"></div>
</div>
<div id="static-image"></div> <script src="js/index.js"></script>
</body>
</html>

Mouse Position Background Focus Effect - Script Codes CSS Codes

#image-layer { position: absolute; display: block; top: -10%; left: -10%; width: 120%; height: 120%; opacity: 0.3; -webkit-transform-origin: 50% 50%; transform-origin: 50% 50%; background-image: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/111863/celebration.jpg"); background-position: center; background-size: cover;
}
html, body { height: 100%; width: 100%;
}
body { background-color: #121212; overflow: hidden;
}
#static-image { display: block; position: absolute; height: 200px; width: 200px; top: 50%; left: 50%; -webkit-transform: translate(-50%, -50%); transform: translate(-50%, -50%); border-radius: 50%; box-shadow: 0px 0px 12px rgba(0, 0, 0, 0.2); overflow: hidden; background-image: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/111863/profile_pic.jpg); background-repeat: no-repeat; background-size: cover; -webkit-transition: opacity 400ms ease-in-out; transition: opacity 400ms ease-in-out; cursor: pointer; opacity: 0.8;
}
#static-image:hover { opacity: 1;
}

Mouse Position Background Focus Effect - Script Codes JS Codes

(function() { var $blur_layer, $image_layer, blur_fade, blur_throttle, center_x, center_y, fade_length, max_blur, max_x, max_y, max_z, min_opacity, mouse_move_handler, perspective, transform, win_h, win_w; transform = function(elem, transform) { elem.style.webkitTransform = transform; return elem.style.transform = transform; }; blur_fade = function(elem, blur, fade) { return elem.setAttribute('style', '-webkit-filter: blur(' + blur + '); opacity: ' + fade + ';'); }; win_w = window.innerWidth; win_h = window.innerHeight; center_x = win_w / 2; center_y = win_h / 2; max_x = win_w * 0.04; max_y = win_h * 0.04; max_z = 30; perspective = 1200; max_blur = 300; min_opacity = 0.75; blur_throttle = 8; fade_length = 1 - min_opacity; $image_layer = document.getElementById('image-layer'); $blur_layer = document.getElementById('blur-layer'); mouse_move_handler = function(mouse_x, mouse_y, ratio_x, ratio_y) { var blur_px, fade_i, transform_val; transform_val = 'perspective(' + perspective + ') translate3d(' + (max_x * ratio_x) + 'px, ' + (max_y * ratio_y) + 'px, ' + (max_x * ratio_x) + 'px)'; transform($image_layer, transform_val); blur_px = (Math.abs(mouse_x - center_x) / center_x * blur_throttle) + 'px'; fade_i = 1 - (fade_length * (Math.abs(mouse_x - center_x) / center_x)); return blur_fade($blur_layer, blur_px, fade_i); }; document.addEventListener('mousemove', (function(event) { var mouse_x, mouse_y, ratio_x, ratio_y; if (window.event) { event = window.event; } mouse_x = event.clientX; mouse_y = event.clientY; ratio_x = 1 - (mouse_x / center_x); ratio_y = 1 - (mouse_y / center_y); mouse_move_handler(mouse_x, mouse_y, ratio_x, ratio_y); }), false);
}).call(this);
Mouse Position Background Focus Effect - Script Codes
Mouse Position Background Focus Effect - Script Codes
Home Page Home
Developer Stan Williams
Username Stanssongs
Uploaded September 08, 2022
Rating 3
Size 4,213 Kb
Views 40,480
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