Use shortest rotation delta for animation

2017-06-27 10:34:03 +02:00
parent 0fc710bc48
commit 67f69a32bb
2 changed files with 20 additions and 1 deletions
--- a/test/spec/ol/view.test.js
+++ b/test/spec/ol/view.test.js
@@ -494,6 +494,21 @@ describe('ol.View', function() {
      });
    });

+    it('takes the shortest angle to the target rotation', function(done) {
+      var view = new ol.View({
+        center: [0, 0],
+        zoom: 0,
+        rotation: Math.PI / 180 * 1
+      });
+      view.animate({
+        rotation: Math.PI / 180 * 359,
+        duration: 0
+      }, function() {
+        expect(view.getRotation()).to.roughlyEqual(Math.PI / 180 * -1, 1e-12);
+        done();
+      });
+    });
+
    it('calls a callback when animation completes', function(done) {
      var view = new ol.View({
        center: [0, 0],