positlabs

/*

  REQUIRED: Create a ground plane with a collider 
  so we can hit test against it to place the object on the surface.

*/

/* API */
script.api.enablePlacement = function (bool) { placementEnabled = bool }
script.api.setScreenPoint = function (pt) { screenPoint = pt }

positlabs

/*

  Debouncing functions is used for delaying a function call until a certain amount of time has passed. 
  In the example below, it's used to hide a slider after 3 seconds if the user isn't interacting with it.

*/

/**
 * Polyfill for browser function setTimeout
 * @param {function} callback - function to trigger after timeout is completed 

positlabs

//@input SceneObject obj
/** @type {SceneObject} */
var obj = script.obj

script.createEvent('CameraFrontEvent').bind(function(){
  if(obj) obj.enabled = true
})

script.createEvent('CameraBackEvent').bind(function(){
  if(obj) obj.enabled = false

positlabs

/*
  
  Register a callback for when a video frame is updated
  Since video playback generally isn't 60fps, this can be used as a render optimization

  new FrameUpdateMonitor(videoElement, callback)

*/
export class FrameUpdateMonitor {

positlabs

/**
 * @param {String} HTML representing a single element
 * @return {Element}
 */
 export function html2Element(html) {
    var template = document.createElement('template');
    html = html.trim(); // Never return a text node of whitespace as the result
    template.innerHTML = html;
    return template.content.firstChild;
}

positlabs

/*
    Include this script at the top of the scene to enable global commands
    Usage:
      global.showProps(object)
      global.showScene(scene)
      global.showSceneObject(sceneObject)
      global.showComponent(component)
      
    Original by @robertlugg
    https://gist.github.com/robertlugg/a5161200998092ddf69cb7393f7efcc0

positlabs

var elapsed = 0
var updateEvent = script.createEvent('UpdateEvent')
updateEvent.enabled = false
updateEvent.bind(function(e){
    elapsed += e.getDeltaTime()
    if(elapsed > .5){
        updateEvent.enabled = false
        reset()
    }
})

positlabs

#!/bin/bash
# Lens Studio video asset encoder. Max dimension of 1280 using H.264 / AVC / MP4
# https://lensstudio.snapchat.com/guides/2d/video/
# USAGE: ./encode-lens-studio.sh myvideo.mov
ffmpeg -i $1 \
    -vf "scale='if(gt(iw, ih), min(1280, iw-mod(iw, 16)), -16)':'ifnot(gt(iw, ih), min(1280, ih-mod(ih, 16)), -16)'" \
    -c:v libx264 \
    -crf 23 \
    -preset veryslow \
    -c:a copy \

positlabs

#!/bin/bash
for project in **/*.arproj; 
do /Applications/Spark\ AR\ Studio.app/Contents/MacOS/sparkTerminalAppleMac export $project; 
done;

positlabs

const Scene = require('Scene')
const {log} = require('Diagnostics')
const {RGBA} = require('Reactive')

;(async function () {

  const light = await Scene.root.findFirst('ambientLight0')
  log(light)

  light.color = new RGBA(1, 1, 179/255, 1)