/**
* Register default global input processors. Can be overridden for custom behaviour.
*/
protected void registerDefaultGlobalInputProcessors(){
InputRetargeter inputRetargeter = new InputRetargeter(this.getCanvas());
inputRetargeter.addProcessorListener(this.getCanvas());
this.registerGlobalInputProcessor(inputRetargeter);
// this.registerGlobalInputProcessor(new InputRetargeter(this.getCanvas()));
}