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Get rid of binarySelect to find the first point.

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This commit is contained in:
Bruno Binet
2013-01-30 11:42:53 +01:00
parent 79849888db
commit d91e1d30d4
1 changed files with 8 additions and 6 deletions
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14
src/ol/kinetic.js
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@@ -90,12 +90,14 @@ ol.Kinetic.prototype.update = function(browserEvent) {
*/
ol.Kinetic.prototype.end = function() {
var now = goog.now();
var index = Math.abs(goog.array.binarySelect(this.points_, function(elt) {
return elt.t < now - this.delay_;
}, this));
if (index < this.points_.length - 1) {
var first = this.points_[index];
var last = this.points_[this.points_.length - 1];
var lastIndex = this.points_.length - 1;
var firstIndex = lastIndex - 1;
while (firstIndex >= 0 && this.points_[firstIndex].t > now - this.delay_) {
firstIndex--;
}
if (firstIndex >= 0) {
var first = this.points_[firstIndex];
var last = this.points_[lastIndex];
var dx = last.x - first.x;
var dy = last.y - first.y;
this.angle_ = Math.atan2(dy, dx);