Large canvas mousemove experiment

Developer
Joseph
Size
2,885 Kb
Views
22,253

How do I make an large canvas mousemove experiment?

Pointless perhaps - large image canvas moves with mouse.. What is a large canvas mousemove experiment? How do you make a large canvas mousemove experiment? This script and codes were developed by Joseph on 21 November 2022, Monday.

Large canvas mousemove experiment Previews
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Large canvas mousemove experiment - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>large canvas mousemove experiment</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <div class="container"> <div id="info"></div> <img id="thumbnail" src=""> <img id="picture" src="https://corecanvas.s3.amazonaws.com/theonering-0188db0e/gallery/original/war_in_middle_earth_map.jpg" width="300px" height="auto">
</div> <script src='http://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Large canvas mousemove experiment - Script Codes CSS Codes

html, body { width: 100%; height: 100%; margin: 0; padding: 0; overflow: hidden; cursor:crosshair;
}
/* Hide the scrollbar... */
body::-webkit-scrollbar { display: none; }
#follower { position : absolute; z-index:3; background-color : yellow; width:100px; height:100px; border-radius:100%; margin-left:-50px; margin-top:-50px; }
#picture { position:absolute; z-index:0; -webkit-transform: translate3d(0px,0px,0px); transform: translate3d(0px,0px,0px); }
#thumbnail { position:fixed; top:25px; left:25px; z-index:999; width:300px; height:auto; }
.container
{ width:100%; height:100%; position:absolute; top:0; left:0; overflow:hidden; border:1px solid #000000;
}
#info { position:fixed; top:25px; left:25px; z-index:99; font-size:1em; color:purple; visibility:visibile; }

Large canvas mousemove experiment - Script Codes JS Codes

$.global = new Object();
$.global.x= 0;
$.global.y = 0;
$.global.windowwidth = 0;
$.global.windowheight = 0;
$.global.halfheight = 0;
$.global.pictureheight = 0;
$.global.finalX = 0;
$.global.finalY = 0;
$.global.theX = 0;
$.global.theY = 0;
$.global.half = 0;
$.global.overlap = 0;
$.global.percent = 0;
$(document).ready(function()
{ var $windowheight = $(window).height(); $.global.windowwidth = $(window).width(); $.global.windowheight = $windowheight; $.global.heightpercentage = $windowheight/25; var $widthadj = $.global.windowwidth * 3; $('#picture').width($widthadj); $('#picture').css('left','-'+ $.global.windowwidth +'px'); var mouseX = 0, mouseY = 0; setTimeout(function() { CalculateHeight(); }, 1000);
$(window).mousemove(function(e) { var offset = $('.container').offset(); mouseX = Math.min(e.pageX - offset.left); mouseY = Math.min(e.pageY - offset.top); if (mouseX < 0) mouseX = 0; if (mouseY < 0) mouseY = 0; var $halfwidth = $.global.windowwidth / 2; var $halfheight = $.global.windowheight / 2; var $finalX = mouseX - $halfwidth; var $finalY = mouseY - $halfheight; $.global.theX = $finalX; $.global.theY = $finalY; $.global.halfheight = $halfheight/2; $.global.percent = $finalY / $halfheight; $("#info").text("X: " + $finalX + ", Y: " + $finalY + ' - ' + $.global.percent + ',' + $.global.halfheight );
});
// cache the selector
var follower = $("#follower");
var picture = $("#picture");
var xp = 0, yp = 0;
var loop = setInterval(function(){ // change 12 to alter damping higher is slower xp += ($.global.theX - xp) / 12; yp += ($.global.percent - yp) / 12; var $another = $.global.overlap; var $shit = yp * $another; follower.css({left:xp, top:yp}); picture.css('transform','translate3d(' + xp*-2 + 'px,' + $shit*-1 +'px,0px)');
}, 30);
});
function CalculateHeight() { var $actualheight = $('#picture').height(); $.global.pictureheight = $actualheight; var $halfpictureheight = $actualheight/2; var $halfwindowheight = $.global.windowheight/2; var $finalheightadj = $halfpictureheight - $halfwindowheight; $.global.overlap = $finalheightadj; $('#picture').css('top','-'+ $finalheightadj +'px'); $.global.heightpercent = $halfwindowheight/100; }
Large canvas mousemove experiment - Script Codes
Large canvas mousemove experiment - Script Codes
Home Page Home
Developer Joseph
Username jibbon
Uploaded November 21, 2022
Rating 3
Size 2,885 Kb
Views 22,253
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