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Find the closest vertex on the circle from the pixel coordinates

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This commit is contained in:
Thomas Chandelle
2017-02-16 09:56:00 +01:00
parent 0764be77c4
commit 9bf6dcbdcb
1 changed files with 2 additions and 1 deletions
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3
src/ol/interaction/modify.js
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@@ -550,6 +550,7 @@ ol.interaction.Modify.handleDownEvent_ = function(evt) {
return false;
}
this.handlePointerAtPixel_(evt.pixel, evt.map);
var pixelCoordinate = evt.map.getCoordinateFromPixel(evt.pixel);
this.dragSegments_.length = 0;
this.modified_ = false;
var vertexFeature = this.vertexFeature_;
@@ -575,7 +576,7 @@ ol.interaction.Modify.handleDownEvent_ = function(evt) {
if (segmentDataMatch.geometry.getType() === ol.geom.GeometryType.CIRCLE &&
segmentDataMatch.index === ol.interaction.Modify.MODIFY_SEGMENT_CIRCLE_CIRCUMFERENCE_INDEX) {
var closestVertex = ol.interaction.Modify.closestOnSegmentData_(vertex, segmentDataMatch);
var closestVertex = ol.interaction.Modify.closestOnSegmentData_(pixelCoordinate, segmentDataMatch);
if (ol.coordinate.equals(closestVertex, vertex) && !componentSegments[uid][0]) {
this.dragSegments_.push([segmentDataMatch, 0]);
componentSegments[uid][0] = segmentDataMatch;