https://github.com/jzwood/sandfall

Falling sand simulator (webassembly)
https://github.com/jzwood/sandfall

Last synced: 13 days ago
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Falling sand simulator (webassembly)

• Host: GitHub
• URL: https://github.com/jzwood/sandfall
• Owner: jzwood
• Created: 2024-07-13T02:03:39.000Z (4 months ago)
• Default Branch: main
• Last Pushed: 2024-10-24T01:20:44.000Z (15 days ago)
• Last Synced: 2024-10-24T04:44:55.212Z (14 days ago)
• Language: WebAssembly
• Homepage: https://jzwood.science/sandfall/
• Size: 580 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Sandfall



# Dev Instructions

- install wat2wasm

  - `brew install wabt`

- install local server (optional)

  - `brew install http-server`

- install deno

  - `brew install deno`

- scripts

  - `build.sh` compiles wat to wasm and copies all src files to dist/

  - `serve.sh` serves app locally (optional)

## Algorithm

```

for each cell traversing rtl from bottom right to top left

  if cell empty:

    nop

  else if south_cell empty:

    set cell=empty

    set south_cell=cell

  else if west cell and south_west_cell empty:

    set cell=empty

    set south_west_cell=cell

  else if east and south_east_cell empty:

    set cell=empty

    set south_east_cell=cell

  else:

    nop

```