Class System
Derive this class to encapsulate a game System that operates on Resources and Components in the World.
			
			
			Constructors
				
					
					
						| Name | Description | 
					
						| this(world, name) | Initialize a System given the ECS Worldand, optionally, a name. | 
				
			
			
			Methods
				
					
					
						| Name | Description | 
					
						| from() | Dynamically generate a new Systeminstance given a function. | 
					
						| query() | Query the Worldfor Entities containing Components of the given types. | 
					
						| run() | Operate this System on Resources and Components in the World. |