Vectors

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In this case, a movement takes place in a continuous way rather than from square to square.

BOUNCING BALLS
Bouncing Balls "Bouncing Balls" demonstrate this, however without being a game.

Just watch it.
 
INFLUENZA
InfluenzaInfluenza is the same game as Epidemic, the people however not moving in a pattern but in a continuous space. A healthy individual (black) is infected when it is touched by a sick (red) one. After recovery, it is immune (blue) for some days. You can enter the population size so as the duration of the sickness and of the immunity. One "day" takes a quarter of a second in the game.
 
ATTRACTOR
AttractorOn the other hand, this is a game with balls attracting or repulsing each other.

It is pre-set that balls of the same colour attract and balls of different colour repulse each other. You can change these interactions in different senses: Instead of attracting each other, balls of the same colour can repulse or have no interactions with each other. Independently from that, the "behaviour" towards the balls of the other colour can be chosen. So, it may happen that the red balls are attracted by the blue balls, but that these are running away from them.

You are invited to play around with these interactions and with the number of balls.
 
CATCH
CatchCatch is a similar game. You can also determine the behaviour of the balls of one colour towards the others, like attraction or running after them.

When the red balls hit the blue ones, these will turn red, taking over the behaviour of the red party. The blue balls do the same with the yellow ones, and the yellows with the reds.

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