Created by a mathematician, digital artist and Emmy award winning supervisor of computer generated effects – Andy Lomas, Morphogenetic Creations is a collection of works that explore the nature of complex forms that can be produced by digital simulation of growth systems. These pieces start with a simple initial form which is incrementally developed over time by adding iterative layers of complexity to the structure.The aim is to create structures emergently: exploring generic similarities between many different forms in nature rather than recreating any particular organism. In the process he is exploring universal archetypal forms that can come from growth processes rather than top-down externally engineered design.Programmed using C++ with CUDA, the series use a system of growth by deposition: small particles of matter are repeatedly deposited onto a growing structure to build incrementally over time. Rules are used to determine how new particles are created, and how they move before being deposited. Small changes to these rules can have dramatic effects on the final structure, in effect changing the environment in which the form is grown. To create these works, Andy uses the GPU as a compute device rather than as a display device. All the data is held in memory on the GPU and various kernel functions are called to do things like apply forces to the cells, make cells split, and to render the cells using ray-tracing. The simulations and rendering for each of the different animated structures within this piece take about 12 hours to run, Andy explains. By the end of the simulations there are over 50,000,000 cells in each structure.The Cellular Forms use a more biological model, representing a simplified system of cellular growth. Structures are created out of interconnected cells, with rules for the forces between cells, as well as rules for how cells accumulate internal nutrients. When the nutrient level in a cell exceeds a given threshold the cell splits into two, with both the parent and daughter cells reconnecting to their immediate neighbours. Many different complex organic structures are seen to arise from subtle variations on these rules, creating forms with strong reminiscences of plants, corals, internal organs and micro-organisms.