Fixed positioning bug in button.

lib/pixi/button.js

@@ -436,8 +436,8 @@ export default class Button extends PIXI.Container {
         //--------------------
         if (this.badge) {
             this.removeChild(this.badge)
-            const width = this.width
-            const height = this.height
+            const width = this._width
+            const height = this._height
             this.addChild(this.badge)
 
             const badge = this.badge

lib/pixi/buttongroup.js

@@ -514,7 +514,7 @@ export default class ButtonGroup extends PIXI.Container {
                     // stack!
                     const distanceToTop = this.container.y
                     const distanceToBottom = this.opts.maxHeight - this.container.y - this.__initHeight
-                    
+
                     if (distanceToTop > 0) {
                         throwProps.y.end = 0
                     } else if (distanceToBottom > 0) {