Curvature

Developer
Tiffany Rayside
Size
2,809 Kb
Views
24,288
  1. Curvature Previews
  2. Curvature HTML Codes
  3. Curvature CSS Codes
  4. Curvature JS Codes

How do I make an curvature?

Swirl of a Fractal Branch. What is a curvature? How do you make a curvature? This script and codes were developed by Tiffany Rayside on 18 August 2022, Thursday.

Curvature Previews
IQ Test

Curvature - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>Curvature</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/5.0.0/normalize.min.css"> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id="canv"> </canvas> <script src="js/index.js"></script>
</body>
</html>

Curvature - Script Codes CSS Codes

@import url(http://fonts.googleapis.com/css?family=Poiret+One);
body { width: 100%; margin: 0; overflow: hidden;
}

Curvature - Script Codes JS Codes

var c = document.getElementById("canv");
var $ = c.getContext("2d");
c.width = window.innerWidth;
c.height = window.innerHeight;
var arr = [];
var fin = 0;
var stheta = -1.0;
var t = 0;
function text() { var txt = "Curvature".split("").join(String.fromCharCode(0x2004)); $.font = "3.5em Poiret One"; $.fillStyle = 'hsla(0, 10%, 35%, 1)'; $.fillText(txt, (c.width - $.measureText(txt).width) * 0.5, c.height * 0.9); return txt;
}
function obj() { this.x = 0; this.y = 0;
}
function twirl() { this.px = 0.0; this.py = 0.0; this.vel = new obj(); this.vel.x = 3.5; this.vel.y = 3.5; this.dv = 0.98; this.dt = 0.095; this.time = 0; this.len = 12; this.nxt = this.time + this.len; this.prime = 0; this.a = 0; this.b = 0.95; this._c = 0; this.subs = 0;
}
function rot(obj, cos, sin) { var _mv = obj.x * cos - obj.y * sin; obj.y = obj.x * sin + obj.y * cos; obj.x = _mv;
}
function mv(obj, theta) { var cos = Math.cos(theta); var sin = Math.sin(theta); rot(obj, cos, sin);
}
function add() { var twl = new twirl(); arr[fin] = twl; fin += 1; return twl;
}
function build(prime) { var sub = add(); sub.px = prime.px; sub.py = prime.py; sub.vel.x = prime.vel.x * 0.95; sub.vel.y = prime.vel.y * 0.95; sub.dv = prime.dv * 0.998; sub.dt = prime.dt * stheta; sub.prime = prime; sub.a = 0.0; sub._c = prime._c + 1; prime.subs += 1; prime.nxt = prime.time + prime.len;
}
function draw(twl) { $.beginPath(); $.moveTo(twl.px, twl.py); var minSp = 0.8; var _minSp = minSp * minSp; while ((twl.vel.x * twl.vel.x) + (twl.vel.y * twl.vel.y) > _minSp) { if (twl.time >= twl.nxt) { if (twl._c < 8) { build(twl); } } twl.px += twl.vel.x; twl.py += twl.vel.y; $.lineTo(twl.px, twl.py); var dt = twl.dt; var dv = twl.dv; if (twl.prime != 0) { var pfInv = 1 - twl.a; twl.vel.x = twl.prime.vel.x * twl.a + twl.vel.x * pfInv; twl.vel.y = twl.prime.vel.y * twl.a + twl.vel.y * pfInv; twl.a *= twl.b; } twl.vel.x *= dv; twl.vel.y *= dv; mv(twl.vel, -dt); twl.time += 1; } $.stroke();
}
var tmin = -0.12
var tmax = 0.18
var _theta = tmin;
function go() { t += 1; $.fillStyle = 'hsla(0, 5%, 95%, .5)'; $.fillRect(0, 0, c.width, c.height); $.strokeStyle = 'hsla(0, 5%, 35%, 1)'; fin = 0; swirl(); stheta = rng(Math.cos(t / 100 + 0.2), -2, -0.6); _theta = rng(Math.cos(t / 83), tmax, tmin); for (var n = 0; n < fin; ++n) { var twl = arr[n]; draw(twl); }
}
function swirl() { var twl = add(); twl.px = c.width / 2; twl.py = c.height / 2; twl.vel.x = 0; twl.vel.y = -6.5; mv(twl.vel, t / -200); twl.dt = _theta; var sub2 = add(); sub2.px = twl.px; sub2.py = twl.py; sub2.vel.x = twl.vel.x * -1; sub2.vel.y = twl.vel.y * -1; sub2.dt = twl.dt;
}
function rng(n, min, max) { return (n * 0.65 + 0.65) * (max - min) + min;
}
window.addEventListener('resize', function() { c.width = window.innerWidth; c.height = window.innerHeight;
}, false);
function run() { window.requestAnimationFrame(run); go(); text();
}
run();
Curvature - Script Codes
Curvature - Script Codes
Home Page Home
Developer Tiffany Rayside
Username tmrDevelops
Uploaded August 18, 2022
Rating 4.5
Size 2,809 Kb
Views 24,288
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