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'use strict';
import {clip} from './clip.js';
export function wrap(features, buffer, intersectX) {
var merged = features,
left = clip(features, 1, -1 - buffer, buffer, 0, intersectX, -1, 2), // left world copy
right = clip(features, 1, 1 - buffer, 2 + buffer, 0, intersectX, -1, 2); // right world copy
if (left || right) {
merged = clip(features, 1, -buffer, 1 + buffer, 0, intersectX, -1, 2); // center world copy
if (left) merged = shiftFeatureCoords(left, 1).concat(merged); // merge left into center
if (right) merged = merged.concat(shiftFeatureCoords(right, -1)); // merge right into center
}
return merged;
}
function shiftFeatureCoords(features, offset) {
var newFeatures = [];
for (var i = 0; i < features.length; i++) {
var feature = features[i],
type = feature.type;
var newGeometry;
if (type === 1) {
newGeometry = shiftCoords(feature.geometry, offset);
} else {
newGeometry = [];
for (var j = 0; j < feature.geometry.length; j++) {
newGeometry.push(shiftCoords(feature.geometry[j], offset));
}
}
newFeatures.push({
geometry: newGeometry,
type: type,
tags: feature.tags,
min: [feature.min[0] + offset, feature.min[1]],
max: [feature.max[0] + offset, feature.max[1]]
});
}
return newFeatures;
}
function shiftCoords(points, offset) {
var newPoints = [];
newPoints.area = points.area;
newPoints.dist = points.dist;
for (var i = 0; i < points.length; i++) {
newPoints.push([points[i][0] + offset, points[i][1], points[i][2]]);
}
return newPoints;
}
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