scratchfoundation/paper.js
1
0
Fork 0
mirror of https://github.com/scratchfoundation/paper.js.git synced 2025-03-15 01:09:53 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Fix Point#getDirectedAngle, which was measured the wrong way round, and could be optimised using Math.atan2().

Browse source
This commit is contained in:
Jürg Lehni 2011-06-14 11:14:26 +01:00
parent 8d0bb3d2ae
commit 0cda1aa9dd
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
src/basic/Point.js
View file

@ -590,8 +590,7 @@ var Point = this.Point = Base.extend({
*/ */
getDirectedAngle: function(point) { getDirectedAngle: function(point) {
point = Point.read(arguments); point = Point.read(arguments);
var angle = this.getAngle() - point.getAngle(); return Math.atan2(this.cross(point), this.dot(point)) * 180 / Math.PI;
return angle < -180 ? angle + 360 : angle > 180 ? angle - 360 : angle;
}, },
/** /**