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Part of a series of simple processing demo at UoN in 2010 (points and nodes), edited to include more behaviours. This sketch was introduced as a basic example of interactions between objects.

There are 4 simple rules in this sketch; each object has 2 sphere of influence – the outer sphere governs connectivity by proximity to other objects that influences the movement of the object, the inner sphere deals with repell/collision detection with another object, the connectivity affects the size of the inner sphere. All objects are pulled to center.