25 lines
1.2 KiB
JavaScript
Executable file
25 lines
1.2 KiB
JavaScript
Executable file
import Octant from "./octant.js";
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export default function(callback) {
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var octs = [], next = [], q;
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if (this._root) octs.push(new Octant(this._root, this._x0, this._y0, this._z0, this._x1, this._y1, this._z1));
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while (q = octs.pop()) {
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var node = q.node;
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if (node.length) {
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var child, x0 = q.x0, y0 = q.y0, z0 = q.z0, x1 = q.x1, y1 = q.y1, z1 = q.z1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2, zm = (z0 + z1) / 2;
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if (child = node[0]) octs.push(new Octant(child, x0, y0, z0, xm, ym, zm));
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if (child = node[1]) octs.push(new Octant(child, xm, y0, z0, x1, ym, zm));
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if (child = node[2]) octs.push(new Octant(child, x0, ym, z0, xm, y1, zm));
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if (child = node[3]) octs.push(new Octant(child, xm, ym, z0, x1, y1, zm));
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if (child = node[4]) octs.push(new Octant(child, x0, y0, zm, xm, ym, z1));
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if (child = node[5]) octs.push(new Octant(child, xm, y0, zm, x1, ym, z1));
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if (child = node[6]) octs.push(new Octant(child, x0, ym, zm, xm, y1, z1));
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if (child = node[7]) octs.push(new Octant(child, xm, ym, zm, x1, y1, z1));
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}
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next.push(q);
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}
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while (q = next.pop()) {
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callback(q.node, q.x0, q.y0, q.z0, q.x1, q.y1, q.z1);
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}
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return this;
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}
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