Basic Slider Input class for PIXI js, with HTML input interface
##Properties
widthheightthe axis to slide. Y by defaultnotCentered
##Methods
getSliderVal- returns the value of the slider between 0 and 100setSliderVal- sets thevalueof the slider
Example Usage
var slider = new Slider( 500, 4, false );
slider.setSliderVal( 43 );
slider.getSliderVal();