Fake 3D

Developer
Massimo
Size
3,086 Kb
Views
38,456
  1. Fake 3D Previews
  2. Fake 3D HTML Codes
  3. Fake 3D CSS Codes
  4. Fake 3D JS Codes

How do I make an fake 3d?

Playing with 3d effect in canvas. What is a fake 3d? How do you make a fake 3d? This script and codes were developed by Massimo on 17 September 2022, Saturday.

Fake 3D Previews
IQ Test

Fake 3D - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Fake 3D</title> <link rel="stylesheet" href="css/style.css">
</head>
<body>
<canvas id="c"></canvas> <script src='https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.2/dat.gui.min.js'></script> <script src="js/index.js"></script>
</body>
</html>

Fake 3D - Script Codes CSS Codes

@import url("https://fonts.googleapis.com/css?family=Open+Sans");
body { margin: 0; overflow: hidden; background: #000;
}
body li, body .close-button { font-family: 'Open Sans', sans-serif; font-size: 14px; text-transform: capitalize;
}

Fake 3D - Script Codes JS Codes

var c = document.getElementById('c'), ctx = c.getContext('2d'), shapes = [], s = { 'count': 100, 'size': 20, 'speed': 10, 'focal': 300, 'perspective': 5000 };
window.requestAnimFrame = (function () { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) { window.setTimeout(callback, 1000/60); };
})();
function resize() { c.width = window.innerWidth; c.height = window.innerHeight; ctx.translate(.5*c.width, .5*c.height); shapes = []; init();
}
resize();
window.addEventListener("resize", resize);
var gui = new dat.GUI();
gui.add(s, "count", 1, 300, 1).onChange(resize);
gui.add(s, "size", 1, 100, 1).onChange(resize);
gui.add(s, "speed", 1, 50, 1);
gui.add(s, "focal", 1, 1000, 1);
gui.add(s, "perspective", 1, 10000, 1);
function Shape(x, y, z, col, shape) { this.x = x; this.y = y; this.z = z; this.col = col; this.shape = shape;
}
function setColor () { return 'rgba(' + Math.round(255*Math.random()) + ',' + Math.round(255*Math.random()) + ',' + Math.round(255*Math.random()) + ',' + Math.random() ')';
}
function setShape(v) { var rand = Math.random(), shape; if(rand < .3) { shape = 'rect'; } else if(rand > .3 && rand < .7) { shape = 'triangle'; } else { shape = 'circle'; } return shape;
}
function drawShape(shape) { ctx.beginPath(); if(shape == 'rect') { ctx.rect(-s.size/2, -s.size/2, s.size, s.size); } else if(shape == 'triangle') { ctx.moveTo(0, 0); ctx.lineTo(s.size/2, -s.size); ctx.lineTo(s.size, 0); } else { ctx.arc(0, 0, s.size, 0, 2*Math.PI); } ctx.fill();
}
function init() { for(var i=0; i<s.count; i++) { var x = -c.width/2 + c.width*Math.random(), y = -c.height/2 + c.height*Math.random(), z = s.perspective*Math.random(), col = setColor(), shape = setShape(Math.random()); shapes.push(new Shape(x, y, z, col, shape)); }
}
function update() { ctx.clearRect(-.5*c.width, -.5*c.height, c.width, c.height); for(var i=0; i<shapes.length; i++) { var sh = shapes[i]; ctx.save(); var p = s.focal / (s.focal + sh.z); ctx.translate(p*sh.x, p*sh.y); ctx.scale(p, p); ctx.fillStyle = sh.col; drawShape(sh.shape); ctx.restore(); sh.z -= s.speed; if(sh.z < -s.focal) { sh.z = s.perspective*Math.random(); } } window.requestAnimFrame(update);
}
update();
Fake 3D - Script Codes
Fake 3D - Script Codes
Home Page Home
Developer Massimo
Username _massimo
Uploaded September 17, 2022
Rating 4.5
Size 3,086 Kb
Views 38,456
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