Mandala drawing concept

Developer
Massimo
Size
3,474 Kb
Views
30,360
  1. Mandala drawing concept Previews
  2. Mandala drawing concept HTML Codes
  3. Mandala drawing concept CSS Codes
  4. Mandala drawing concept JS Codes

How do I make an mandala drawing concept?

Based on Mandala penPerformance was improvedMirror functionality was added. What is a mandala drawing concept? How do you make a mandala drawing concept? This script and codes were developed by Massimo on 17 September 2022, Saturday.

Mandala drawing concept Previews
IQ Test

Mandala drawing concept - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Mandala drawing concept</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>

Mandala drawing concept - Script Codes CSS Codes

@import url("https://fonts.googleapis.com/css?family=Open+Sans");
body { margin: 0; overflow: hidden; background: #000;
}
body .dg.ac { transition: opacity .35s;
}
body .dg li.title { background-color: #1a1a1a;
}
body canvas { cursor: default;
}
body canvas:active ~ .dg.ac { opacity: .2; pointer-events: none;
}
body a { display: none;
}
body li, body .close-button { font-family: 'Open Sans', sans-serif; font-size: 14px; text-transform: capitalize;
}

Mandala drawing concept - Script Codes JS Codes

var c = document.getElementById('c'), link = document.createElement('a'), ctx = c.getContext('2d'), last = {x: null, y: null}, current = {x: null, y: null}, drawing = false, isMirror = false, cx, cy, r, angle, _2PI = 2*Math.PI, s = { 'sectors': 10, 'line width': 3, 'background': '#000', 'brush': '#00d1ff', 'mirror': false, 'clear': function() { resize(); }, 'save': function() { link.click(); } };
link.addEventListener('click', function() { link.href = c.toDataURL(); link.download = "mandala.png";
});
document.body.appendChild(link);
function resize() { c.width = window.innerWidth; c.height = window.innerHeight; cx = c.width/2; cy = c.height/2; r = Math.min(cx, cy) - 4; angle = _2PI/s.sectors; drawSectors(); ctx.translate(cx, cy);
}
resize();
window.addEventListener("resize", resize);
var gui = new dat.GUI(), col = gui.addFolder('Colors');
col.addColor(s, "background").onChange(resize);
col.addColor(s, "brush");
gui.add(s, "sectors", 2, 20, 1).onChange(resize);
gui.add(s, "line width", 1, 10, 1);
gui.add(s, "mirror").onChange(function() { isMirror = !isMirror;
});
gui.add(s, "clear");
gui.add(s, "save");
function drawSectors() { ctx.fillStyle = s.background; ctx.arc(cx, cy, r, 0, _2PI); ctx.fill(); for(var i=0; i<_2PI; i+=angle) { ctx.beginPath(); ctx.lineWidth = 1; ctx.strokeStyle = 'rgba(255, 255, 255, .15)'; ctx.moveTo(cx, cy); ctx.arc(cx, cy, r, i, i + angle); ctx.lineTo(cx, cy); ctx.stroke(); }
}
function d(x1, y1, x2, y2) { return Math.sqrt( Math.pow(x1-x2, 2) + Math.pow(y1-y2, 2) );
}
function reset() { drawing = false; last.x = null; last.y = null;
}
function draw(e) { if(drawing) { var x = e.touches ? e.touches[0].clientX : e.clientX, y = e.touches ? e.touches[0].clientY : e.clientY; x-= c.offsetLeft; y-= c.offsetTop; if(d(x, y, cx, cy) < r) { current.x = x - cx; current.y = y - cy; drawLine(); } else { reset(); } }
}
c.addEventListener('mousedown', function() { drawing = true;
});
c.addEventListener('touchstart', function() { drawing = true;
});
c.addEventListener('mousemove', draw);
c.addEventListener('touchmove', draw);
c.addEventListener('mouseup', reset);
c.addEventListener('touchend', reset);
function drawLine() { ctx.lineWidth = s['line width']; ctx.lineCap = 'round'; ctx.strokeStyle = s.brush; for(var i=0; i<_2PI; i+=angle) { ctx.rotate(angle); if(last.x != null && last.y != null) { ctx.beginPath(); ctx.moveTo(last.x, last.y); ctx.lineTo(current.x, current.y); if (isMirror) { ctx.moveTo(-last.x, last.y); ctx.lineTo(-current.x, current.y); } ctx.stroke(); } } last.x = current.x; last.y = current.y;
}
Mandala drawing concept - Script Codes
Mandala drawing concept - Script Codes
Home Page Home
Developer Massimo
Username _massimo
Uploaded September 17, 2022
Rating 4.5
Size 3,474 Kb
Views 30,360
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