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Use shortest rotation delta for animation

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This commit is contained in:
Andreas Hocevar
2017-06-27 10:34:03 +02:00
parent 0fc710bc48
commit 67f69a32bb
2 changed files with 20 additions and 1 deletions
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6
src/ol/view.js
View File

@@ -15,6 +15,7 @@ goog.require('ol.extent');
goog.require('ol.geom.GeometryType');
goog.require('ol.geom.Polygon');
goog.require('ol.geom.SimpleGeometry');
goog.require('ol.math');
goog.require('ol.obj');
goog.require('ol.proj');
goog.require('ol.proj.Units');
@@ -295,7 +296,10 @@ ol.View.prototype.animate = function(var_args) {
if (options.rotation !== undefined) {
animation.sourceRotation = rotation;
animation.targetRotation = options.rotation;
var delta =
ol.math.modulo(options.rotation - rotation + Math.PI, 2 * Math.PI) -
Math.PI;
animation.targetRotation = rotation + delta;
rotation = animation.targetRotation;
}