MikeCoder / hexo-tag-cloud

  }

  return pts;

}

function Cylinder(n,o,xr,yr,zr,magic) {

  var phi, pts = [], off = 2/n, inc, i, j, k, l;

  inc = Math.PI * (3 - sqrt(5) + (parseFloat(magic) ? parseFloat(magic) : 0));

  for(i = 0; i < n; ++i) {

    j = i * off - 1 + (off / 2);

    phi = i * inc;

    k = cos(phi);

    l = sin(phi);

    pts.push(o ? [j * xr, k * yr, l * zr] : [k * xr, j * yr, l * zr]);

  }

  return pts;

}

function Ring(o, n, xr, yr, zr, j) {

  var phi, pts = [], inc = Math.PI * 2 / n, i, k, l;

  for(i = 0; i < n; ++i) {

  a.z = x * this[1][3] + y * this[2][3] + z * this[3][3];

  return a;

};

function PointsOnSphere(n,xr,yr,zr,magic) {

  var i, y, r, phi, pts = [], off = 2/n, inc;

  inc = Math.PI * (3 - sqrt(5) + (parseFloat(magic) ? parseFloat(magic) : 0));

  for(i = 0; i < n; ++i) {

    y = i * off - 1 + (off / 2);

    r = sqrt(1 - y*y);

    phi = i * inc;

    pts.push([cos(phi) * r * xr, y * yr, sin(phi) * r * zr]);

  }

  return pts;

}

function Cylinder(n,o,xr,yr,zr,magic) {

  var phi, pts = [], off = 2/n, inc, i, j, k, l;

  inc = Math.PI * (3 - sqrt(5) + (parseFloat(magic) ? parseFloat(magic) : 0));