You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
1.1 KiB
20 lines
1.1 KiB
import Octant from "./octant.js";
|
|
|
|
export default function(callback) {
|
|
var octs = [], q, node = this._root, child, x0, y0, z0, x1, y1, z1;
|
|
if (node) octs.push(new Octant(node, this._x0, this._y0, this._z0, this._x1, this._y1, this._z1));
|
|
while (q = octs.pop()) {
|
|
if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, z0 = q.z0, x1 = q.x1, y1 = q.y1, z1 = q.z1) && node.length) {
|
|
var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2, zm = (z0 + z1) / 2;
|
|
if (child = node[7]) octs.push(new Octant(child, xm, ym, zm, x1, y1, z1));
|
|
if (child = node[6]) octs.push(new Octant(child, x0, ym, zm, xm, y1, z1));
|
|
if (child = node[5]) octs.push(new Octant(child, xm, y0, zm, x1, ym, z1));
|
|
if (child = node[4]) octs.push(new Octant(child, x0, y0, zm, xm, ym, z1));
|
|
if (child = node[3]) octs.push(new Octant(child, xm, ym, z0, x1, y1, zm));
|
|
if (child = node[2]) octs.push(new Octant(child, x0, ym, z0, xm, y1, zm));
|
|
if (child = node[1]) octs.push(new Octant(child, xm, y0, z0, x1, ym, zm));
|
|
if (child = node[0]) octs.push(new Octant(child, x0, y0, z0, xm, ym, zm));
|
|
}
|
|
}
|
|
return this;
|
|
}
|
|
|