src/renderable/GUI.js
function (event) {
            if (this.released === false) {
                this.released = true;
                me.timer.clearTimeout(this.holdTimeout);
                return this.onRelease.call(this, event);
            }
        }
function (event) {
            if (this.released === false) {
                this.released = true;
                me.timer.clearTimeout(this.holdTimeout);
                return this.onRelease.call(this, event);
            }
        }
function ( event ) { if ( this . released === false ) { this . released = true ; me . timer . clearTimeout ( this . holdTimeout ) ; return this . onRelease . call ( this , event ) ; } }
function callback for the pointerup event
@ignore
function callback for the pointerup event