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I hope this little How-To written by GPT can supplement the current documentation, it needs an update but since the author is doing this completely on his own, he is unable to do all of it.
I am more then happy to help out as best as I can so everyone can enjoy this wonderful project.
GPT analyzed project files, old documents + partial source code and was able to generate a comprehensive how-to.
Remark:
and cross reference it.
Artificial Life Environment
The ALIEN simulation system, with its diverse cell types and capabilities,
allows for the creation of a wide range of artificial organisms with various behaviors and functions.
Here are some examples of the types of organisms that can be designed and simulated using ALIEN cells
Simple Organisms
These may consist of a few basic cell types, such as Transmitter cells for energy transport, Constructor cells for building a basic structure, and Muscle cells for basic movements.
Simple organisms could be designed for mobility and energy collection.
Predatory Organisms By incorporating Attacker cells, organisms can be designed to hunt and attack other cells or organisms.
These predators may use energy gained from their prey to sustain themselves and reproduce.
Defensive Organisms Organisms equipped with Defender cells can defend against attacks from predatory organisms. Defender cells can reduce the strength of enemy attacks, providing a form of protection.
Self-Replicating Organisms With the help of Constructor cells and Injector cells, organisms can be designed to self-replicate.
Constructor cells build copies of the organism, and Injector cells can override the genome of other Constructor cells,enabling mutations and evolution.
Information Processing Organisms Neuron cells and Sensor cells can be used to create organisms capable of sensing their environment, processing information, and responding to specific stimuli.
These organisms may exhibit complex behaviors based on sensory input.
Cooperative Organisms Organisms can be designed to cooperate with other organisms of the same or different species.
For example, one organism could specialize in energy collection, while another specializes in defense. Cooperative behaviors may emerge through interactions between cells.
Swarm Organisms Multiple organisms can work together in a swarm, coordinating their actions to achieve common goals.
Swarm behaviors, such as collective movement and decision-making, can be simulated.
Evolving Organisms By introducing mutation and genetic diversity through Injector cells and allowing for the selection of successful traits, organisms can evolve over time.
This can lead to the emergence of new and more sophisticated behaviors.
Task-Specific Organisms Organisms can be designed for specific tasks, such as environmental cleanup, exploration, or resource gathering.
Sensor cells can detect the presence of target substances, and the organism can be programmed to respond accordingly.
Hybrid Organisms Combining different cell types and behaviors, hybrid organisms with unique and versatile functions can be created.
These organisms may adapt to changing environmental conditions and challenges.
The versatility of the ALIEN simulation system allows for the exploration of various artificial life forms and the study of emergent behaviors.
Researchers and users can experiment with different combinations of cell types, genetic information, and environmental conditions to observe how organisms evolve and adapt to their virtual environments.
Cell shapes and sizes
Shapes and sizes play a crucial role in determining the behavior and dynamics of artificial organisms.
The choice of cell shapes and sizes can impact the speed of evolution and the emergence of interesting results.
Here's an explanation of cell shapes, sizes, and their implications
Cell Shapes
ALIEN allows for flexibility in designing cell shapes, which can vary from simple to complex.
Cell shapes are defined by the arrangement of particles and bonds between them. Here are some considerations regarding cell shapes
Simple Shapes
Simple shapes like spheres or cubes can lead to stable and predictable behaviors.
These shapes may not deform or move as dynamically as more complex shapes.
Complex Shapes
Complex shapes with irregular geometries can result in more diverse and unpredictable behaviors.
Cells with multiple protrusions or deformable regions can exhibit interesting locomotion and interactions with other cells.
Intermediate Shapes
Intermediate shapes that combine both simple and complex features may strike a balance between stability and adaptability.
These shapes can be a good starting point for rich evolving designs.
Cell Sizes
The size of cells in ALIEN can vary, and it influences several aspects of an organism's behavior
Designing for Rapid Evolution
If you want to design cells that are prone to evolve quickly with interesting results, consider the following strategies
Remember that the pace and direction of evolution in ALIEN simulations can be influenced by the parameters you set, the environmental conditions, and the initial genetic makeup of the organisms. Experimentation and observation of evolving populations will help you fine-tune your design for interesting and rapid evolution.
Available Cell Types
Neuron Cells
Transmitter Cells
Constructor Cells
Sensor Cells
Nerve Cells
Attacker Cells
Injector Cells
Muscle Cells
Defender Cells
Distribution and Cell Execution Order (State)
Each cell is assigned an "execution number" ranging from 0 to 5. This number represents the time steps at which the cell's functions will be executed.
Cells with an execution number of 0 are executed at time points 0, 6, 12, 18, and so on...
Cells with execution numbers 1, 2, 3, 4, and 5 are executed with an offset of one time step each.
For example
Cell with execution number 0 is executed at time steps 0, 6, 12, 18, ...
Cell with execution number 1 is executed at time steps 1, 7, 13, 19, ...
Cell with execution number 2 is executed at time steps 2, 8, 14, 20, ...
And so on...
Input State
The input state of a cell is based on the activity states of all connected cells whose execution numbers match the input execution number of the current cell.
The activity states of these connected cells are summed up, and the result is set as the input state for the current cell. In other words,
if there's only one input cell, its activity is simply forwarded to the current cell.
This mechanism allows cells to collaborate and share information by synchronizing their execution times and sharing their activity states.
Energy consumption and distribution
Energy consumption and distribution are critical aspects of the ALIEN simulation system, as they play a fundamental role in the behavior and evolution of artificial organisms. The simulator provides various mechanisms for adding energy points and defining energy zones, which can significantly influence the dynamics of the virtual ecosystem. Here's an explanation of energy consumption, distribution, and the impact of energy points and zones
Energy consumption refers to how cells expend or utilize energy in the simulation.
Cells in ALIEN require energy to perform various functions, such as movement, replication, and cell-to-cell communication.
Energy is essential for the survival and reproduction of artificial organisms. Here are some key points regarding energy consumption
For example, muscle cells may consume energy to produce movement, while constructor cells may expend energy to build new cells.
This energy investment is necessary for the creation of offspring cells.
effectively conserving energy for the organism.
Energy Distribution
Energy distribution involves how energy is allocated and shared within the simulated ecosystem.
ALIEN offers different ways for energy to flow and be distributed among cells. Here are two primary modes of energy distribution
This distribution mode ensures that energy flows through the cellular network.
This can lead to more efficient energy transfer over greater distances, especially from cells like attacker cells to constructor cells.
Energy Points and Zones
Energy points and zones are special features in the simulator that allow you to control and manipulate energy-related aspects of the environment
Energy Points Energy points are locations in the simulation where cells can collect or radiate energy.
Cells near energy points can absorb excess energy, while those emitting energy points release energy into the environment.
Energy points can influence the energy balance of nearby cells.
Energy Zones Energy zones are areas with specific settings that can modify the simulation environment.
They can increase or decrease energy levels, modify mutation rates, or affect other environmental conditions. Energy zones can create gradients of energy availability, influencing where cells thrive or struggle to survive.
These energy-related features allow you to design complex ecosystems with varying energy landscapes, influencing the selection pressures on cells and their evolutionary trajectories. By strategically placing energy points and zones, you can shape the dynamics of the virtual world and observe how organisms adapt to changing energy conditions.
Experimenting with different energy distribution patterns, energy point placements, and energy zone settings can lead to fascinating insights into the evolution and behavior of artificial life forms within the ALIEN simulation.
Special Sensors and Neuron Cells
Sensor and Neuron cells play critical roles in the ALIEN simulation and contribute to the evolution and mutation of cells in unique ways.
Let's explore these two cell types and their special abilities
Sensor Cell
Scanning the Environment
Sensor cells are responsible for scanning their environment for concentrations of cells of a specific color. They are like the sensory organs of the organism.
Detection Criteria
Sensor cells are dedicated to a specific color, and they can only detect cells that match that color. The sensitivity of the sensor can be adjusted using the "minimum density" parameter, which controls how many cells of the corresponding color need to be present for a detection to occur.
Output Information
When a sensor cell detects cells of the specified color, it provides valuable information to the organism, including
Evolutionary Role
Sensor cells are crucial for the organism's ability to sense its environment and react to specific conditions. They enable the organism to adapt to different scenarios and evolve by detecting and responding to specific cues in its surroundings.
Neuron Cell
Neural Network
Neuron cells are unique in that they have a small neural network embedded within them. This network consists of 8 neurons, each with 8x8 configurable weights and 8 bias values. These weights and biases determine how the neuron processes inputs and produces outputs.
Activation Function
The neurons within a neuron cell use a sigmoid activation function to process inputs and generate outputs. The sigmoid function helps in nonlinear transformations of input data.
Input and Output
Neuron cells can receive inputs from other cells and send outputs to other cells. They connect inputs and outputs onto their neural network. The configuration of these connections can be preset or randomized upon constructing a replicate of the neuron cell or its blueprint.
Evolutionary Role
Neuron cells have a significant impact on the organism's ability to process information and make decisions. The configurable weights and biases in their neural networks can evolve over time through genetic mutations, allowing the organism to adapt to changing conditions and optimize its behavior.
Evolution and Mutation
"Time Steps Per Second" (TSP) and "Total Time Steps"
These play a crucial role in understanding the simulation's performance and stability. Here's an explanation of these terms
Time Steps Per Second (TSP)
Total Time Steps
Interpreting TSP and Total Time Steps
Debugging and Performance Optimization
Understanding TSP and Total Time Steps is essential for managing and troubleshooting ALIEN simulations, ensuring that they run smoothly and provide meaningful insights into the behavior and evolution of artificial organisms.
Predator Genome Example
A good base (Predator) design
Download (zipped genome file): alien_genome_predator.zip
It uses a neuron to produce a consistent input value from a set bias value, this signal is ideally a constant value of 1
once it outputs a 1 the sensor activates, and starts to produce the output values for our next phase inline.
After the sensor cell, two neurons are placed that take the data from the sensor cell and performs a function to control
the muscle groups on either side (hence the negative/positive sides), this is a base for a 'hunting' or 'attracting' effect.
Once the muscles receive that signal, they will start to engage according to their sensor output.
You can top it off with an attacker cell that also takes the same signal and will be activated,
but truth be told, you can activate any cell that requires an activation (muscles, sensors, attacker, etc)
using a neuron cell and set a bias value of 1 and link it, now its activated permanently.
(This is not my design, this design came straight from the community upload archives, if this is your design let me know and I will properly credit where credit is due.)
Foot note:
Everything in life can be broken down to a single function, and this principle is the key to unlocking the simplicity hidden within life's complexity, reminding us that even the most intricate puzzles can be solved with a dash of elegance and a sprinkle of understanding
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