added angleDeg flag that enables developers to choose radians if they like

src/Context.js

@@ -428,7 +428,7 @@
                 fillPatternX = shape.getFillPatternX(),
                 fillPatternY = shape.getFillPatternY(),
                 fillPatternScale = shape.getFillPatternScale(),
-                fillPatternRotation = shape.getFillPatternRotation(),
+                fillPatternRotation = Kinetic.getAngle(shape.getFillPatternRotation()),
                 fillPatternOffset = shape.getFillPatternOffset(),
                 fillPatternRepeat = shape.getFillPatternRepeat();
 

src/Global.js

@@ -32,6 +32,8 @@
 /*jshint -W079, -W020*/
 var Kinetic = {};
 (function(root) {
+    var PI_OVER_180 = Math.PI / 180;
+
     Kinetic = {
         // public
         version: '@@version',
@@ -51,7 +53,7 @@ var Kinetic = {};
         dblClickWindow: 400,
         pixelRatio: undefined,
         dragDistance : 0,
-        enableThrottling: true,
+        angleDeg: true,
 
         // user agent  
         UA: (function() {
@@ -295,6 +297,9 @@ var Kinetic = {};
                     }
                 }
             }
+        },
+        getAngle: function(angle) {
+            return this.angleDeg ? angle * PI_OVER_180 : angle;
         }
     };
 })(this);

src/Node.js

@@ -1154,7 +1154,7 @@
             var m = new Kinetic.Transform(),
                 x = this.getX(),
                 y = this.getY(),
-                rotation = this.getRotation() * Math.PI / 180,
+                rotation = Kinetic.getAngle(this.getRotation()),
                 scaleX = this.getScaleX(),
                 scaleY = this.getScaleY(),
                 skewX = this.getSkewX(),

src/shapes/Arc.js

@@ -1,4 +1,6 @@
 (function() {
+    var PI_OVER_180 = Math.PI / 180;
+
     /**
      * Arc constructor
      * @constructor
@@ -34,7 +36,7 @@
             this.sceneFunc(this._sceneFunc);
         },
         _sceneFunc: function(context) {
-            var angle = this.angle() * Math.PI / 180,
+            var angle = Kinetic.getAngle(this.angle()),
                 clockwise = this.clockwise();
 
             context.beginPath();

src/shapes/Wedge.js

@@ -33,7 +33,7 @@
         },
         _sceneFunc: function(context) {
             context.beginPath();
-            context.arc(0, 0, this.getRadius(), 0, this.getAngle() * Math.PI / 180, this.getClockwise());
+            context.arc(0, 0, this.getRadius(), 0, Kinetic.getAngle(this.getAngle()), this.getClockwise());
             context.lineTo(0, 0);
             context.closePath();
             context.fillStrokeShape(this);

test/unit/Global-test.js

@@ -4,4 +4,17 @@ suite('Global', function() {
     test('test Kinetic version number', function() {
         assert.equal(Kinetic.version, 'dev');
     });
+
+    // ======================================================
+    test('getAngle()', function() {
+        // test that default angleDeg is true
+        assert.equal(Kinetic.angleDeg, true);
+        assert.equal(Kinetic.getAngle(180), Math.PI);
+
+        Kinetic.angleDeg = false;
+        assert.equal(Kinetic.getAngle(1), 1);
+
+        // set angleDeg back to true for future tests
+        Kinetic.angleDeg = true;
+    });
 });