Canvas Optical Illusion

Developer
Kevin
Size
2,148 Kb
Views
26,312
  1. Canvas Optical Illusion Previews
  2. Canvas Optical Illusion HTML Codes
  3. Canvas Optical Illusion CSS Codes
  4. Canvas Optical Illusion JS Codes

How do I make an canvas optical illusion?

Recreation of an optical illusion from a reddit thread.https://www.reddit.com/r/pics/comments/52bs6k/this_isnt_a_gif_your_eyes_just_cant_see_all_12/. What is a canvas optical illusion? How do you make a canvas optical illusion? This script and codes were developed by Kevin on 27 August 2022, Saturday.

Canvas Optical Illusion Previews
IQ Test

Canvas Optical Illusion - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Canvas Optical Illusion</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id = "canvas"></canvas> <script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Canvas Optical Illusion - Script Codes CSS Codes

body{ margin: 0;
}
#canvas { display: block; height: 100vh; width: 100vw;
}

Canvas Optical Illusion - Script Codes JS Codes

function draw() { var canvas = document.getElementById("canvas"); canvas.width = window.innerWidth; canvas.height = window.innerHeight; window.addEventListener('resize', resizeCanvas, false); function resizeCanvas() { canvas.width = window.innerWidth; canvas.height = window.innerHeight; start(); } if (canvas.getContext) { var ctx = canvas.getContext("2d"); function start() { var size = canvas.width / 20; ctx.strokeStyle = "gray"; ctx.lineWidth = 6; for (var x = 0; x < canvas.width; x += size) { ctx.beginPath(); ctx.moveTo(x, 0); ctx.lineTo(x, canvas.height); ctx.stroke(); } for (var x = 0; x < canvas.height; x += size) { ctx.beginPath(); ctx.moveTo(0, x); ctx.lineTo(canvas.width, x); ctx.stroke(); } for (var x = 0; x < canvas.width; x += size) { ctx.beginPath(); ctx.moveTo(x, 0); ctx.lineTo(x - canvas.height, canvas.height); ctx.stroke(); } for (var x = 0; x < canvas.height; x += size) { ctx.beginPath(); ctx.moveTo(0, x); ctx.lineTo(canvas.height - x, canvas.height); ctx.stroke(); } for (var x = 0; x < canvas.width; x += size) { ctx.beginPath(); ctx.moveTo(x, 0); ctx.lineTo(x + canvas.height, canvas.height); ctx.stroke(); } for (var x = 0; x < canvas.height; x += size) { ctx.beginPath(); ctx.moveTo(canvas.width, x); ctx.lineTo(canvas.width - canvas.height + x, canvas.height); ctx.stroke(); } for (var x = 0; x < canvas.width; x += (canvas.width / 20) * 2) { for (var z = 0; z < canvas.height; z += (canvas.width / 20) * 2) { ctx.beginPath(); ctx.fillStyle = "white"; ctx.arc(x, z, 6, 0, Math.PI * 2); ctx.fill(); ctx.beginPath(); ctx.fillStyle = "black"; ctx.arc(x, z, 5, 0, Math.PI * 2); ctx.fill(); } } } start(); }
}
draw();
Canvas Optical Illusion - Script Codes
Canvas Optical Illusion - Script Codes
Home Page Home
Developer Kevin
Username KevinBruland
Uploaded August 27, 2022
Rating 3
Size 2,148 Kb
Views 26,312
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