A notion from the flocking science community that individuals like to move.Individuals don't have perfect information about their surroundings or.At the events, people are self-propelled - they run around.People are solid bodies, they should not pass through one another.Reasonsing, reading, and testing we discovered that there are 4 aspects thatĪre important to replicating the behaviors we were after. Given this success, we adapted theįlocking model to the situation of extreme collective behaviors at heavy metalĬoncerts, attempting to describe the mosh pit and circle pit. Systems including birds, bison, and humans. Model has been successfully used to describe many collective motions in various Since 1987, starting with Craig Reynolds, a type of model called a flocking Relationship between them seemed like an interesting and tractable problem. Silverberg and I thought that the mosh pit, circle pit, and the Many of these collective behaviors are highlighted in this compilation video, Meat grinder - N concentric circle pits, each moving in the opposite.Wall of death - the crowd separates into two halves which then run at each.Synchronized jumping - jumping to the beat, with local coupling and global.Fist pumping - throwing fists in the air to the beat / influenced by.Cirlce pits - a portion of the crowd runs in a circle.Mosh pits - members of the crowd run around bumping into each other.Get together, a whole zoo of collective motions can be seen, including: Scenario: in the crowds at heavy metal concerts. It turns out that beautiful collective motions also occur in a very different Pterodactyl? I bet that would not go over very well. If they had no prior knowledge and were simply told to make the shape of a They could still make these impressive patterns. Them), meaning that there could be no interactions between the performers and Positions are determined prior to the performance (otherwise super kudos to Of these methods or combination of methods they use? I presume that these Them? Is there a set of measurements that you could perform to determine which Or have they memorized specific positions on the field and when to move between Intricate patterns that a marching band makes as they perform a halftime show?Īre they only moving relative to one another and memorized separation vectors, On the human scale, how do marching bands work? What is the nature of the Information transmitted from bird to bird? How do they decide which direction to fly? How is Scales, flocks of birds create very cool patterns such as those found in Galaxy) appears to be an open question still (says the wiki). Wall-like structures when left to their own devices? How galaxies form the
( Plasticity project) organize themselves into sharp, A look into patterns formed in extreme dancingĬurious collective behaviors are all around us from the atomic to theĪstronomical scale.
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