https://github.com/mark-gerarts/nature-of-code

Nature of code exercises and examples implemented in Common Lisp
https://github.com/mark-gerarts/nature-of-code

common-lisp lisp nature-of-code trivial-gamekit

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Nature of code exercises and examples implemented in Common Lisp

Host: GitHub
URL: https://github.com/mark-gerarts/nature-of-code
Owner: mark-gerarts
Created: 2018-04-30T16:44:35.000Z (about 7 years ago)
Default Branch: master
Last Pushed: 2023-01-30T10:43:50.000Z (over 2 years ago)
Last Synced: 2024-10-28T05:59:40.822Z (7 months ago)
Topics: common-lisp, lisp, nature-of-code, trivial-gamekit
Language: Common Lisp
Size: 25.4 MB
Stars: 59
Watchers: 5
Forks: 10
Open Issues: 0
Metadata Files:
- Readme: README.md

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README

        # Nature of code

[Nature of code] examples and exercises implemented in

Lisp using [trivial-gamekit].

![Example gif](screenshots/Example%208.7%20-%20Dynamic%20recursive%20tree.gif)

## Installation and usage

1. You'll first have to add cl-bodge to quicklisp, as per the [install instructions]

of trivial gamekit:

`(ql-dist:install-dist "http://bodge.borodust.org/dist/org.borodust.bodge.txt")`

1. Make sure quicklisp is able to detect this package (e.g. put it in

`~/quicklisp/local-projects`).

1. `(ql:quickload :nature-of-code)`

1. Run a sketch using for example `(nature-of-code.introduction.example-1:start-sketch)`.

You can find these snippets in the README of each example.

Some notes:

- `trivial-gamekit` only supports 2D animations, so examples and exercises involving 3D are omitted.

- The directory structure is set up to be easily browsable. This makes the ASDF definition kinda ugly.

[Nature of code]: http://natureofcode.com

[trivial-gamekit]: https://github.com/borodust/trivial-gamekit

[install instructions]: https://borodust.github.io/projects/trivial-gamekit/#installation-and-loading

## Table of contents

- [0. Introduction](0.%20Introduction)

  - [Example I.1 - Traditional random walk](0.%20Introduction/Example%20I.1%20-%20Traditional%20random%20walk)

  - [Example I.2 - Random number distribution](0.%20Introduction/Example%20I.2%20-%20Random%20number%20distribution)

  - [Example I.3 - Walker that tends to move to the right](0.%20Introduction/Example%20I.3%20-%20Walker%20that%20tends%20to%20move%20to%20the%20right)

  - [Example I.4 - Gaussian distribution](0.%20Introduction/Example%20I.4%20-%20Gaussian%20distribution)

  - [Example I.5 - Perlin noise walker](0.%20Introduction/Example%20I.5%20-%20Perlin%20noise%20walker)

  - [Example I.6 - 2D Perlin noise](0.%20Introduction/Example%20I.6%20-%202D%20Perlin%20noise)

  - [Exercise I.3 - Dynamic walker](0.%20Introduction/Exercise%20I.3%20-%20Dynamic%20walker)

  - [Exercise I.4 - Gaussian paint](0.%20Introduction/Exercise%20I.4%20-%20Gaussian%20paint)

  - [Exercise I.5 - Gaussian random walk](0.%20Introduction/Exercise%20I.5%20-%20Gaussian%20random%20walk)

  - [Exercise I.6 - Custom distribution walk](0.%20Introduction/Exercise%20I.6%20-%20Custom%20distribution%20walk)

  - [Exercise I.7 - Perlin noise step size walker](0.%20Introduction/Exercise%20I.7%20-%20Perlin%20noise%20step%20size%20walker)

  - [Exercise I.8 - 2D Perlin noise colour](0.%20Introduction/Exercise%20I.8%20-%202D%20Perlin%20noise%20colour)

  - [Exercise I.9 - Moving 2D Perlin noise](0.%20Introduction/Exercise%20I.9%20-%20Moving%202D%20Perlin%20noise)

- [01. Vectors](01.%20Vectors)

  - [Example 1.1 - Bouncing ball with no vectors](01.%20Vectors/Example%201.1%20-%20Bouncing%20ball%20with%20no%20vectors)

  - [Example 1.2 - Bouncing ball with vectors](01.%20Vectors/Example%201.2%20-%20Bouncing%20ball%20with%20vectors)

  - [Example 1.3 - Vector subtraction](01.%20Vectors/Example%201.3%20-%20Vector%20subtraction)

  - [Example 1.4 - Multiplying a vector](01.%20Vectors/Example%201.4%20-%20Multiplying%20a%20vector)

  - [Example 1.5 - Vector magnitude](01.%20Vectors/Example%201.5%20-%20Vector%20magnitude)

  - [Example 1.6 - Normalizing a vector](01.%20Vectors/Example%201.6%20-%20Normalizing%20a%20vector)

  - [Example 1.7 - Motion 101 (velocity)](01.%20Vectors/Example%201.7%20-%20Motion%20101%20%28velocity%29)

  - [Example 1.8 - Motion 101 (velocity and constant acceleration)](01.%20Vectors/Example%201.8%20-%20Motion%20101%20%28velocity%20and%20constant%20acceleration%29)

  - [Example 1.9 - Motion 101 (velocity and random acceleration)](01.%20Vectors/Example%201.9%20-%20Motion%20101%20%28velocity%20and%20random%20acceleration%29)

  - [Example 1.10 - Acceleration towards the mouse](01.%20Vectors/Example%201.10%20-%20Acceleration%20towards%20the%20mouse)

  - [Example 1.11 - Array of movers accelerating towards the mouse](01.%20Vectors/Example%201.11%20-%20Array%20of%20movers%20accelerating%20towards%20the%20mouse)

  - [Exercise 1.4 - Vector limit](01.%20Vectors/Exercise%201.4%20-%20Vector%20limit)

  - [Exercise 1.5 - Car acceleration simulation](01.%20Vectors/Exercise%201.5%20-%20Car%20acceleration%20simulation)

  - [Exercise 1.6 - Perlin acceleration](01.%20Vectors/Exercise%201.6%20-%20Perlin%20acceleration)

  - [Exercise 1.8 - Variable acceleration towards the mouse](01.%20Vectors/Exercise%201.8%20-%20Variable%20acceleration%20towards%20the%20mouse)

- [02. Forces](02.%20Forces)

  - [Example 2.1 - Forces](02.%20Forces/Example%202.1%20-%20Forces)

  - [Example 2.2 - Forces acting on many objects](02.%20Forces/Example%202.2%20-%20Forces%20acting%20on%20many%20objects)

  - [Example 2.3 - Gravity scaled by mass](02.%20Forces/Example%202.3%20-%20Gravity%20scaled%20by%20mass)

  - [Example 2.4 - Including friction](02.%20Forces/Example%202.4%20-%20Including%20friction)

  - [Example 2.5 - Fluid resistance](02.%20Forces/Example%202.5%20-%20Fluid%20resistance)

  - [Example 2.6 - Attraction](02.%20Forces/Example%202.6%20-%20Attraction)

  - [Example 2.7 - Attraction with many movers](02.%20Forces/Example%202.7%20-%20Attraction%20with%20many%20movers)

  - [Exercise 2.1 - Helium-filled balloon](02.%20Forces/Exercise%202.1%20-%20Helium-filled%20balloon)

  - [Exercise 2.3 - Invisible force](02.%20Forces/Exercise%202.3%20-%20Invisible%20force)

  - [Exercise 2.4 - Pockets of friction](02.%20Forces/Exercise%202.4%20-%20Pockets%20of%20friction)

  - [Exercise 2.5 - Fluid resistance with different heights](02.%20Forces/Exercise%202.5%20-%20Fluid%20resistance%20with%20different%20heights)

  - [Exercise 2.6 - Falling boxes](02.%20Forces/Exercise%202.6%20-%20Falling%20boxes)

  - [Exercise 2.7 - Multiple attractors](02.%20Forces/Exercise%202.7%20-%20Multiple%20attractors)

  - [Exercise 2.9 - Custom force](02.%20Forces/Exercise%202.9%20-%20Custom%20force)

- [03. Oscillation](03.%20Oscillation)

  - [Example 3.1 - Angular motion](03.%20Oscillation/Example%203.1%20-%20Angular%20motion)

  - [Example 3.2 - Forces with (arbitrary) angular motion](03.%20Oscillation/Example%203.2%20-%20Forces%20with%20%28arbitrary%29%20angular%20motion)

  - [Exercise 3.1 - Rotation](03.%20Oscillation/Exercise%203.1%20-%20Rotation)

- [08. Fractals](08.%20Fractals)

  - [Example 8.1 - Recursive circles I](08.%20Fractals/Example%208.1%20-%20Recursive%20circles%20I)

  - [Example 8.2 - Recursion twice](08.%20Fractals/Example%208.2%20-%20Recursion%20twice)

  - [Example 8.3 - Recursion four times](08.%20Fractals/Example%208.3%20-%20Recursion%20four%20times)

  - [Example 8.4 - Cantor set](08.%20Fractals/Example%208.4%20-%20Cantor%20set)

  - [Example 8.5 - Koch curve](08.%20Fractals/Example%208.5%20-%20Koch%20curve)

  - [Example 8.6 - Recursive tree](08.%20Fractals/Example%208.6%20-%20Recursive%20tree)

  - [Example 8.7 - Dynamic recursive tree](08.%20Fractals/Example%208.7%20-%20Dynamic%20recursive%20tree)

  - [Exercise 8.1 - Custom recursion](08.%20Fractals/Exercise%208.1%20-%20Custom%20recursion)

  - [Exercise 8.2 - Koch snowflake](08.%20Fractals/Exercise%208.2%20-%20Koch%20snowflake)

  - [Exercise 8.7 - Recursive thinning tree](08.%20Fractals/Exercise%208.7%20-%20Recursive%20thinning%20tree)

  - [Exercise 8.8 - List tree](08.%20Fractals/Exercise%208.8%20-%20List%20tree)

  - [Exercise 8.9 - Growing tree](08.%20Fractals/Exercise%208.9%20-%20Growing%20tree)

## Related

[Nature of code in Elm](https://github.com/mark-gerarts/nature-of-code-elm)

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