A method is provided for creating or evolving a virtual environment with a computer system. Steps of the method include: forming a plurality of layers of data, including a first layer and a second layer, each layer including a plurality of cells containing data corresponding to a variable; operating on the data from the cells in the first layer with a function to yield target data; distributing the target data to corresponding cells in the second layer; and altering the data in at least one of the plurality of cells in each layer according to a rule.