Surface

Developer
KyleDavidE
Size
3,117 Kb
Views
44,528
  1. Surface Previews
  2. Surface HTML Codes
  3. Surface CSS Codes
  4. Surface JS Codes

How do I make an surface?

What is a surface? How do you make a surface? This script and codes were developed by KyleDavidE on 11 August 2022, Thursday.

Surface Previews
IQ Test

Surface - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>surface</title> <style> /* NOTE: The styles were added inline because Prefixfree needs access to your styles and they must be inlined if they are on local disk! */ svg{ width:100vw; height:100vh; display:block;
}
body{ margin:0; background:rgb(238, 239, 224);
}
polyline {
/* vector-effect: non-scaling-stroke; */ stroke-width:0.01;
}
.fill{ stroke:none; fill:rgb(238, 239, 224); opacity:0.5
}
polyline:not(.fill){ opacity:0.9; stroke:black; fill:none;
} </style> <script src="https://cdnjs.cloudflare.com/ajax/libs/prefixfree/1.0.7/prefixfree.min.js"></script>
</head>
<body> <svg viewbox="0 0 1 1" >
</svg> <script src="js/index.js"></script>
</body>
</html>

Surface - Script Codes CSS Codes

svg{ width:100vw; height:100vh; display:block;
}
body{ margin:0; background:rgb(238, 239, 224);
}
polyline {
/* vector-effect: non-scaling-stroke; */ stroke-width:0.01;
}
.fill{ stroke:none; fill:rgb(238, 239, 224); opacity:0.5
}
polyline:not(.fill){ opacity:0.9; stroke:black; fill:none;
}

Surface - Script Codes JS Codes

class Gen { constructor(detail,roughness) { this.roughness = roughness; this.size = Math.pow(2, detail) + 1; this.max = this.size - 1; this.map = new Float32Array(this.size * this.size); this.set(0, 0, this.max / 3); this.set(this.max, 0, this.max / 3); this.set(this.max, this.max, this.max /3); this.set((this.max)/2, (this.max)/2, this.max); this.set(0, this.max, this.max / 3); this.divide(this.max,true); } set(x,y,v){ if((x >= 0) && (y >= 0) && (x < this.size) && (y < this.size)) this.map[x+y*this.size] = v; } get(x,y){ return (x >= 0) && (y >= 0) && (x < this.size) && (y < this.size) ? this.map[x+y*this.size] : null; } divide(size, ss) { let x, y, half = size / 2; let scale = this.roughness * size; if (half < 1) return; if(!ss) for (let y = half; y < this.max; y += size) { for (let x = half; x < this.max; x += size) { this.square(x, y, half, Math.random() * scale * 2 - scale); } } for (let y = 0; y <= this.max; y += half) { for (let x = (y + half) % size; x <= this.max; x += size) { this.diamond(x, y, half, Math.random() * scale * 2 - scale); } } this.divide(size / 2); } average(arr){ const reduced = arr.filter(e=>e!==null); // console.log(reduced.length); return reduced.reduce((a,b)=>a+b,0)/reduced.length; } diamond(x, y, size, offset) { var ave = this.average([ this.get(x, y - size), this.get(x + size, y), this.get(x, y + size), this.get(x - size, y) ]); this.set(x, y, ave + offset); } square(x, y, size, offset) { var ave = this.average([ this.get(x - size, y - size), this.get(x - size, y + size), this.get(x + size, y + size), this.get(x + size, y - size) ]); this.set(x, y, ave + offset); }
}
function go(){ let map = new Gen(5,0.25); function project([x,y,z]){ return [ (y-x)*Math.sqrt(3)/2, -(z+(x+y)/2) ] } function mapToCube([x,y,z]){ return [ x/map.size, y/map.size, z/map.size ] } function fullProject(v){ return project(mapToCube(v)); } const svg = document.querySelector('svg'); Array.from(svg.children).forEach(e=>e.remove()); let minX = Infinity, minY = Infinity, maxX = -Infinity, maxY = -Infinity; for(let x = map.max; x >= 0 ; x--){ let line = document.createElementNS(svg.namespaceURI,'polyline'); let ry = Math.sqrt(Math.pow(map.max/2,2) - Math.pow(x - map.max/2,2)); svg.appendChild(line); let points = [ fullProject([ x, map.max/2-Math.round(ry), -map.max ]) ]; for(let y = map.max/2-Math.round(ry); y < map.max/2+Math.round(ry); y++){ points.push( fullProject([ x, y, map.get(x,y) ]) ); } points.push( fullProject([ x, map.max/2+Math.round(ry), -map.max ]) ) line.setAttribute('points', points.map(p=>p.join(",")).join(" ")) line.classList.add('fill'); let line2 = document.createElementNS(svg.namespaceURI,'polyline'); svg.appendChild(line2); line2.setAttribute('points', points.slice(1,-1).map(p=>p.join(",")).join(" ")) points.slice(1,-1).forEach(([x,y]) => { minX = Math.min(x,minX); minY = Math.min(y,minY); maxX = Math.max(x,maxX); maxY = Math.max(y,maxY); }); } svg.setAttribute('viewBox', [ minX - 0.1, minY - 0.1, maxX - minX + 0.2, maxY - minY + 0.2 ].join(" "));
}
go();
setInterval(go,1000);
Surface - Script Codes
Surface - Script Codes
Home Page Home
Developer KyleDavidE
Username KyleDavidE
Uploaded August 11, 2022
Rating 4
Size 3,117 Kb
Views 44,528
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