F10:warp

Developer
Satchmorun
Size
4,032 Kb
Views
18,216
  1. F10:warp Previews
  2. F10:warp HTML Codes
  3. F10:warp CSS Codes
  4. F10:warp JS Codes

How do I make an f10:warp?

Codevember Day 16. Warped circles.. What is a f10:warp? How do you make a f10:warp? This script and codes were developed by Satchmorun on 28 August 2022, Sunday.

F10:warp Previews
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F10:warp - Script Codes HTML Codes

<!DOCTYPE html>
<html >
<head> <meta charset="UTF-8"> <title>f10:warp</title> <link rel="stylesheet" href="css/style.css">
</head>
<body> <canvas id="canvas"></canvas> <script src="js/index.js"></script>
</body>
</html>

F10:warp - Script Codes CSS Codes

body { margin: 0; padding: 0; overflow: hidden;
}

F10:warp - Script Codes JS Codes

var canvas = document.getElementById('canvas');
var ctx = canvas.getContext('2d');
'floor|random|round|abs|sqrt|PI|atan2|sin|cos|pow|max|min|hypot' .split('|') .forEach(function(p) { window[p] = Math[p]; });
var TAU = PI*2;
function r(n) { return random()*n; }
function rrng(lo, hi) { return lo + r(hi-lo); }
function rint(lo, hi) { return lo + floor(r(hi - lo + 1)); }
function choose(args) { return args[rint(0, args.length-1)]; }
/*---------------------------------------------------------------------------*/
var W, H, frame, time, DPR;
function dpr(n) { return DPR*n; }
function resize() { var w = innerWidth; var h = innerHeight; DPR = 2; canvas.style.width = w+'px'; canvas.style.height = h+'px'; W = canvas.width = w * DPR; H = canvas.height = h * DPR;
}
function loop(t) { frame = requestAnimationFrame(loop); draw(); time++;
}
function pause() { cancelAnimationFrame(frame); frame = frame ? null : requestAnimationFrame(loop);
}
function reset() { cancelAnimationFrame(frame); resize(); ctx.clearRect(0, 0, W, H); init(); time = 0; frame = requestAnimationFrame(loop);
}
/*---------------------------------------------------------------------------*/
function Vector(x, y) { this.x = x; this.y = y;
}
Vector.add = function(a, b) { return new Vector(a.x + b.x, a.y + b.y); };
Vector.sub = function(a, b) { return new Vector(a.x - b.x, a.y - b.y); };
Vector.mul = function(a, n) { return new Vector(a.x * n, a.y * n); };
Vector.div = function(a, n) { return new Vector(a.x / n, a.y / n); };
Vector.prototype.clone = function() { return new Vector(this.x, this.y);
};
Vector.prototype.add = function(other) { this.x += other.x; this.y += other.y; return this;
};
Vector.prototype.sub = function(other) { this.x -= other.x; this.y -= other.y; return this;
};
Vector.prototype.mul = function(n) { this.x *= n; this.y *= n; return this;
};
Vector.prototype.div = function(n) { this.x /= n; this.y /= n; return this;
};
Vector.prototype.mag = function() { var x = this.x, y = this.y; return sqrt(x*x + y*y);
};
Vector.prototype.normalize = function() { return this.div(this.mag());
};
Vector.prototype.constrain = function(n) { var m = this.mag(); return m > n ? this.mul(n/m) : this;
};
Vector.prototype.zero = function() { this.x = 0; this.y = 0;
};
Vector.prototype.rotate = function(angle) { var c = cos(angle); var s = sin(angle); var x = this.x; var y = this.y; this.x = x*c - y*s; this.y = x*s + y*c; return this;
};
function vec(x, y) { return new Vector(x, y);
}
/*---------------------------------------------------------------------------*/
function Particle(loc) { this.loc = loc; this.lifespan = rint(60, 300); this.ticks = this.lifespan; this.acc = vec(0, 0);
}
Particle.prototype.follow = function(field) { this.checkBounds(); this.acc.add(field.forceAt(this.loc));
};
Particle.prototype.trace = function(draw) { ctx.moveTo(this.loc.x, this.loc.y); this.move(); ctx.lineTo(this.loc.x, this.loc.y);
};
Particle.prototype.move = function(field) { this.loc.add(this.acc); this.acc.zero(); this.ticks++;
};
Particle.prototype.checkBounds = function() { if (this.loc.x < L || this.loc.y < T || this.loc.x > R || this.loc.y > B) { this.loc.x = rrng(L, R); this.loc.y = rrng(T, B); this.ticks = 0; }
};
/*---------------------------------------------------------------------------*/
function Gravitron(loc, mass, attract) { this.loc = loc; this.mass = mass; this.attract = !!attract;
}
/*---------------------------------------------------------------------------*/
function Field(x, y, w, h, res) { this.x = x; this.y = y; this.w = w; this.h = h; this.res = res; this.imax = ~~(w/res); this.jmax = ~~(h/res); this.forces = []; var nn = dpr(100); for (var i = 0; i <= this.imax; i++) { this.forces[i] = []; var xx = x + i*res + res/2; for (var j = 0; j <= this.jmax; j++) { var yy = y + j*res + res/2; var cxx = x + floor((xx-x)/nn)*nn + nn/2; var cyy = y + floor((yy-y)/nn)*nn + nn/2; var v = vec(cxx-xx, cyy-yy).rotate(TAU/4).normalize().mul(dpr(1)); this.forces[i][j] = v; } }
}
Field.prototype.draw = function() { var res = this.res; for (var i = 0; i <= this.imax; i++) { var xx = this.x + i*res + res/2; for (var j = 0; j <= this.jmax; j++) { var yy = this.y + j*res + res/2; var v = Vector.mul(this.forces[i][j], dpr(10)); ctx.fillStyle = 'black'; ctx.fillRect(xx-3, yy-3, 6, 6); ctx.beginPath(); ctx.moveTo(xx, yy); ctx.lineTo(xx + v.x, yy + v.y); ctx.stroke(); } }
};
Field.prototype.forceAt = function(v) { var i = ~~((v.x - this.x) / this.res); var j = ~~((v.y - this.y) / this.res); return this.forces[i][j];
};
Field.prototype.zero = function() { for (var i = 0; i <= this.imax; i++) { for (var j = 0; j <= this.jmax; j++) { this.forces[i][j] = vec(0, 0); } }
};
Field.prototype.addGravitron = function(g) { for (var i = 0; i <= this.imax; i++) { for (var j = 0; j <= this.jmax; j++) { var x = this.x + this.res*i + this.res/2; var y = this.y + this.res*j + this.res/2; var d = sqrt((x-g.loc.x)*(x-g.loc.x) + (y-g.loc.y)*(y-g.loc.y)); if (d < dpr(1)) continue; //if (d > g.mass) continue; var f = g.attract ? vec(g.loc.x-x, g.loc.y-y) : vec(x-g.loc.x, y-g.loc.y); f.normalize().mul(g.mass/d); this.forces[i][j].add(f); } }
};
Field.prototype.addGravitrons = function(gravitrons) { for (var i = 0; i < gravitrons.length; i++) { this.addGravitron(gravitrons[i]); }
};
Field.prototype.rotation = 0;
Field.prototype.cos = cos(0);
Field.prototype.sin = sin(0);
Field.prototype.scale = 0.2;
Field.prototype.rotateTo = function(angle) { this.rotation = angle; this.cos = cos(angle); this.sin = sin(angle);
};
Field.prototype.scaleBy = function(scale) { this.scale = lerp(0.2, 4, scale);
};
function lerp(a, b, n) { return a + (b-a)*n;
}
Field.prototype.rotate = function(angle) { for (var i = 0; i <= this.imax; i++) { for (var j = 0; j <= this.jmax; j++) { this.forces[i][j].rotate(angle); } }
};
Field.prototype.flip = function() { for (var i = 0; i <= this.imax; i++) { for (var j = 0; j <= this.jmax; j++) { this.forces[i][j].mul(-1); } }
};
/*---------------------------------------------------------------------------*/
var P, particles;
var L, R;
var field;
var G, gravitrons;
var cx, cy;
var ww, hh;
function init() { var n = floor((min(W/2, H/2) / dpr(50)) - 2) * dpr(50); cx = W/2; cy = H/2; L = cx-n; R = cx+n; T = cy-n; B = cy+n; ww = R-L; hh = B-T; var i, j, k; P = min(pow(n/dpr(50), 2)*300, 20000); particles = new Array(p); var t, p; for (i = 0; i < P; i++) { p = new Particle( vec(rrng(L, R), rrng(T, B)) ); particles[i] = p; } P = particles.length; gravitrons = [ ]; var threshold = rrng(0.25, 0.75); var grid = dpr(2); var mass = rrng(dpr(2), dpr(8)); for (i = 0; i < ww/4; i++) { var x = rrng(L, R); var y = rrng(T, B); gravitrons.push(new Gravitron(vec(x, y), mass, r(1) < threshold)); } G = gravitrons.length; field = new Field(L, T, R-L, B-T, grid); field.addGravitrons(gravitrons); drawFrame(grid, mass, threshold); ctx.strokeStyle = black; ctx.fillStyle = white;
}
function drawFrame(grid, mass, threshold) { ctx.save(); var outer = dpr(50); var inner = dpr(45); ctx.fillStyle = 'white'; ctx.fillRect(0, 0, W, H); ctx.fillStyle = 'black'; ctx.fillRect(L - outer, T - outer, 2*outer + R - L, 2*outer + B - T); ctx.fillStyle = 'white'; ctx.fillRect(L - inner, T - inner, 2*inner + R - L, 2*inner + B - T); ctx.fillStyle = 'black'; ctx.font = 'bold '+ dpr(25) +'px Courier'; ctx.fillText('f10', L - outer, T - outer - dpr(6)); ctx.textAlign = 'right'; ctx.fillText(threshold.toPrecision(3)+','+(mass/DPR).toPrecision(4), R + outer, T - outer - dpr(6)); ctx.restore();
}
function drawProgress(t) { var outer = dpr(50); ctx.save(); ctx.fillStyle = 'black'; ctx.fillRect(L-outer, B+outer+dpr(5), t*(R-L + 2*outer), dpr(5)); ctx.restore();
}
var black = 'rgba(0, 0, 0, 0.1)';
var white = 'rgba(255, 255, 255, 0.1)';
var rot = 0;
function draw() { var i, p; var duration = floor(ww/3); if (time && time % duration === 0) { reset(); } drawProgress(time/duration); ctx.beginPath(); for (i = 0; i < P; i++) { p = particles[i]; p.follow(field); p.trace(); } ctx.stroke();
}
/*---------------------------------------------------------------------------*/
window.onclick = pause;
window.ondblclick = reset;
reset();
F10:warp - Script Codes
F10:warp - Script Codes
Home Page Home
Developer Satchmorun
Username satchmorun
Uploaded August 28, 2022
Rating 3.5
Size 4,032 Kb
Views 18,216
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