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fix performance issue with 16k+ sites #36

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fix performance issue with 16k+ sites #36

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dbc19c4
fix performance issue with 16k+ sites
vash1486 Nov 29, 2017
fbfbb2b
- fix mistype
vash1486 Nov 29, 2017
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11 changes: 7 additions & 4 deletions rhill-voronoi-core.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1352,7 +1352,7 @@ Voronoi.prototype.clipEdge = function(edge, bbox) {
if (r>t1) {return false;}
if (r>t0) {t0=r;}
}
// bottom
// bottom
q = bbox.yb-ay;
if (dy===0 && q<0) {return false;}
r = q/dy;
Expand Down Expand Up @@ -1397,7 +1397,8 @@ Voronoi.prototype.clipEdge = function(edge, bbox) {
Voronoi.prototype.clipEdges = function(bbox) {
// connect all dangling edges to bounding box
// or get rid of them if it can't be done
var edges = this.edges,
var newEdges = [],
edges = this.edges,
iEdge = edges.length,
edge,
abs_fn = Math.abs;
Expand All @@ -1412,9 +1413,11 @@ Voronoi.prototype.clipEdges = function(bbox) {
!this.clipEdge(edge, bbox) ||
(abs_fn(edge.va.x-edge.vb.x)<1e-9 && abs_fn(edge.va.y-edge.vb.y)<1e-9)) {
edge.va = edge.vb = null;
edges.splice(iEdge,1);
} else {
newEdges.unshift(edge);
}
}
}
this.edges = newEdges;
};

// Close the cells.
Expand Down