L.Symbol.arrowHead: Enable option angleCorrection (similar to bbecque…

…t#45)
plepe · Sep 23, 2018 · 62bf0c1 · 62bf0c1
1 parent 96858e8
commit 62bf0c1
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Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/dist/leaflet.polylineDecorator.js b/dist/leaflet.polylineDecorator.js
@@ -226,6 +226,7 @@ L$1.Symbol.ArrowHead = L$1.Class.extend({
         polygon: true,
         pixelSize: 10,
         headAngle: 60,
+        angleCorrection: 0,
         pathOptions: {
             stroke: false,
             weight: 2
@@ -244,7 +245,7 @@ L$1.Symbol.ArrowHead = L$1.Class.extend({
     _buildArrowPath: function _buildArrowPath(dirPoint, map) {
         var d2r = Math.PI / 180;
         var tipPoint = map.project(dirPoint.latLng);
-        var direction = -(dirPoint.heading - 90) * d2r;
+        var direction = -(dirPoint.heading - 90 + this.options.angleCorrection) * d2r;
         var radianArrowAngle = this.options.headAngle / 2 * d2r;
 
         var headAngle1 = direction + radianArrowAngle;

diff --git a/src/L.Symbol.js b/src/L.Symbol.js
@@ -54,6 +54,7 @@ L.Symbol.ArrowHead = L.Class.extend({
         polygon: true,
         pixelSize: 10,
         headAngle: 60,
+        angleCorrection: 0,
         pathOptions: {
             stroke: false,
             weight: 2
@@ -74,7 +75,7 @@ L.Symbol.ArrowHead = L.Class.extend({
     _buildArrowPath: function (dirPoint, map) {
         const d2r = Math.PI / 180;
         const tipPoint = map.project(dirPoint.latLng);
-        const direction = (-(dirPoint.heading - 90)) * d2r;
+        const direction = (-(dirPoint.heading - 90 + this.options.angleCorrection)) * d2r;
         const radianArrowAngle = this.options.headAngle / 2 * d2r;
 
         const headAngle1 = direction + radianArrowAngle;