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updated README

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A simple snake game in the terminal. No third party libraries needed. A simple snake game in the terminal. No third party libraries needed.
## Demo ## Demo
[![Video Title](https://img.youtube.com/vi/_coOVAW9qa4/0.jpg)](https://www.youtube.com/watch?v=_coOVAW9qa4) Click image for video
[![Sanke demo](https://img.youtube.com/vi/_coOVAW9qa4/0.jpg)](https://www.youtube.com/watch?v=_coOVAW9qa4)
## How it works
The program makes the terminal use non-canonical input and output by using termios. Then it updates and prints a 2D character array containing the board borders, snake, and food. Before terminating, the program restores canonical mode.
Each part of the snake is a node of a dynamically allocated linked list that contains:
- The snake's x and y coordinates
- The character that represents it on the board
- The part's direction
- A pointer to a order node (more on orders below)
- A pointer to the next snake part node
An order keeps information on when a snake part should change to what direction. An order is also a node in a dynamically allocated linked list that contains:
- The direction that this order eventually tells the snake part to go to
- The delay i.e. how many ticks until the snake part has to change direction.
- A pointer to the next order
## Info
Only tested and designed to work with the combination of
- GCC
- Linux
- x86 CPU