# EvolutionAquerium

**Repository Path**: bit2atom/EvolutionAquerium

## Basic Information

- **Project Name**: EvolutionAquerium
- **Description**: :fish: :bug: Small Inteli Creatures Based On Steering Behaviours
- **Primary Language**: JavaScript
- **License**: MIT
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2020-08-25
- **Last Updated**: 2020-12-19

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# Evolution Aquerium
[![](https://img.shields.io/github/license/anuraghazra/EvolutionAquerium.svg)](https://github.com/anuraghazra/EvolutionAquerium/blob/master/LICENSE)
[![](https://img.shields.io/github/stars/anuraghazra/EvolutionAquerium.svg)](https://github.com/anuraghazra/EvolutionAquerium)

![](https://img.shields.io/badge/flocking-behavior-orange.svg)
![](https://img.shields.io/badge/Creative-Coding-ff69b4.svg)


<a href="https://anuraghazra.github.io/EvolutionAquerium">Try Out The demo</a>

![Craig Reynold's](/src/screenshot.png)

# How It Works?

Well that's an obvious question.

These Creatures are based on  [Craig Reynold's](https://www.red3d.com/cwr/index.html) Steering Behaviors and [Flocking System](https://www.red3d.com/cwr/boids/)

It's also implements Genetic Algorithm and mutations.

You can learn more about them on Daniel Shiffman's YouTube Channel [The Coding Train](https://www.youtube.com/user/shiffman) 

* [Coding Challenge #69.1: Evolutionary Steering Behaviors](https://www.youtube.com/watch?v=flxOkx0yLrY&t=1223s) 

* [Coding Challenge #124: Flocking Simulation](https://www.youtube.com/watch?v=mhjuuHl6qHM&t=1978s)

* [9. Genetic Algorithm playlist The Nature of Code](https://www.youtube.com/playlist?list=PLRqwX-V7Uu6bJM3VgzjNV5YxVxUwzALHV)

# How My Code Works?
My code is actually pretty simple.

## Agent Class
I made a `Agent` class which handles all the Basic behavior like 
* `flock()`
* `align()`
* `separate()`
* `cohesion()`

And added some basic parameters like 
```javascript
this.radius = radius; //size of the agent

this.health = 1; // health 

this.healthDecrease = 0.003; // how much health will decrease over time

this.goodFoodDie = 0.5; // food increase the health by that amount 

this.badFoodDie = -0.4; // poison decrease the health by that amount
```
I also added a `sex` variable for the agents and all of them also has unique names

```javascript
this.sex = (Math.random() < 0.5) ? 'male' : 'female';
```

## Fear Behavior
And for the most important part, i added a **`defineFear()`** method which handles Fear behavior.

It's a robust function to define fear which can be also used inversly with negative values.

**`defineFear()`** function allows Agents to add Steering Forces simultaneously on each other


```javascript
// list, weight, perception, ?callback
creature.defineFear(predators, -4, 50);
```

## Reproduction System
Reproduction System checks for `male` and `female` agents and if their `radius` is greater than 8 and they are close enough to each other, then they can reproduce with their specific `DNA` and creates a small Agent based on their DNA data and with some mutation. 


# Predator class 
Predators are simple but deadly 
they just has a `sex` property set to 'predator'

and i used **`defineFear()`** function inversely to attack the Creatures

And bigger they get slower they became.

# Avoider Class

Avoiders are very very very fast but they are very agile too.
they just has a `sex` property set to 'avoider'


and i used **`defineFear()`** function to avoid every poison and Predator.

-----------

<!-- ## Small, Little, Slow, Fast, Big Creatures With Simple Flocking System and Steering Behaviours
 -->
### Have Fun Watching Them All Day

### Try To Contact Me
I AM A PROUD INDIAN.
* hazru.anurag@gmail.com
Made with :heart: and JavaScript