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Interactive game to simulate emergence and natural selection in biological systems

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icon evolution-simulation icon

This program simulates emergence and natural selection in biological systems using a few basic components.

sample execution

Sample execution

Organism Mechanics

Organisms are represented with nodes in a graph, each color representing a specific node element. Each line represents a bidirectional connection in the graph organism.

image of organism

An organism!

Each node has an energy property (represented by brightness) that must be kept above zero to prevent the organism from starving. This can be achieved through consuming food particles or predation. Nodes lose energy over time and viruses can deplete energy more quickly.

image of food

Food producers and particles

image of viruses

Virus producers and particles

Organisms have "DNA" which is represented through code containing lines of nodes to create and which nodes to connect to. You can create your own organisms through the program's code editor. As the organism gains energy, it will read through its code and add nodes with their respective connections. If an organism has enough energy, it can duplicate its reproductive node and code which will then grow into fully a developed organism.

Node Table

Tag Col Description
nod dark-violet Structural, strong virus resistance
eat teal Consume food for energy, low resistance
run purple Moves away from other organisms
jit lavender Jitter randomly
rot hot-pink Rotate randomly
fol salmon Moves towards other organisms
pre red Siphon energy from other organisms
sto yellow Radius changes with energy, high max energy
gat green Moves towards food circles
rep white (cannot be coded) Organizes growing and replication

Example Code

eat 0
rot 0
nod 0
nod 3
nod 4
nod 5
nod 6
jit 7

image of organism from code

Organism created from code example

Also, multiple node connections can be made in one line.

eat 0
jit 1
rot 2
rot 2
nod 3
nod 3 5
nod 3 6
nod 4
nod 4 8
nod 4 9

image organism created from code example 2

Organism created from code example

Evolution

When an organism duplicates, its code can contain errors through swaps, deletions, and insertions. Over time, many organism types can be created.

image of crowding organisms

Evolution

Experiment with the starting conditions to see what organisms you can create!

Running the program

The release files were compiled using Java 17. If you encounter errors while trying to execute the jar, ensure that Java 17 is configured in your PATH and run the program from the terminal.

running the program

Run