https://github.com/azoyan/ShakeDetectorLua

Shake Detector in Lua
https://github.com/azoyan/ShakeDetectorLua

accelerometer gamedev lua mit

Last synced: about 2 months ago
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Shake Detector in Lua

• Host: GitHub
• URL: https://github.com/azoyan/ShakeDetectorLua
• Owner: azoyan
• License: mit
• Created: 2019-02-22T10:36:38.000Z (over 5 years ago)
• Default Branch: master
• Last Pushed: 2019-04-16T11:28:34.000Z (over 5 years ago)
• Last Synced: 2024-04-12T09:56:59.545Z (5 months ago)
• Topics: accelerometer, gamedev, lua, mit
• Language: Lua
• Size: 30.3 KB
• Stars: 4
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

• awesome-love2d - ShakeDetectorLua - Uses accelerometer data for shake device detection written in Lua. (Utilities)

README

        
# Shake Detector Lua

It is porting of [shake.js](https://github.com/alexgibson/shake.js/blob/master/shake.js) library to Lua.

The module is designed to be compatible with any Lua engine that can get delta-time between update cycles and accelerometer data.

Example of usage with [Love2d](https://love2d.org) (free 2d Game Engine):

**main.lua**

```Lua

function love.load()

    shakeDetector = require "shakeDetector"

    local joysticks = love.joystick.getJoysticks()

    joystick = joysticks[#joysticks]    

end

function love.update(dt)    

    local x, y, z = joystick:getAxes()

    shakeDetector:update(dt, x, y, z)

end

function love.draw()

    love.graphics.print(shakeDetector.count)

end

```

## API

Update shake detector

`update(dt, x, y, z)` arguments: delta-time between update cycles, accelerometer data x-axis, y-axis, z-axis

Get shakes count

```Lua

local shakesCount = shakeDetector.count

```

Changing threshold and timeout:

```Lua

shakeDetector:reset()         -- reset to defaults (threshold = 0.5, timeout = 0.25)

shakeDetector:reset(0.6, 0.3) -- set threshold to 0.6 and timeout to 0.3

shakeDetector:reset(nil, 0.4) -- set threshold to default (0.5) and timeout to 0.4

shakeDetector:reset(0.2, nil) -- set threshold to 0.2 and timeout to default (0.25)

```