pofulu’s gists

pofulu / Rotation.js

Last active February 27, 2019 08:23

Rotation utilities for Spark AR Studio

	function Rotation(value) {
	return Remap(value, -180, 180, Math.PI * -1, Math.PI);
	}

	function Remap(value, low1, high1, low2, high2) {
	return low2 + (value - low1) * (high2 - low2) / (high1 - low1)
	}

pofulu / RotationSignal.js

Last active March 8, 2019 10:11

	function RotationSignal(signal) {
	return RemapSignal(signal, Reactive.val(-180), Reactive.val(180), Reactive.val(Math.PI * -1), Reactive.val(Math.PI));
	}

	function RemapSignal(value, low1, high1, low2, high2) {
	return low2.add(value.sub(low1).mul(high2.sub(low2)).div(high1.sub(low1)));
	}

pofulu / Dragable.js

Created March 7, 2019 07:48

Script for Spark AR, make SceneObject dragable with TouchGestures.

	// const Scene = require('Scene');
	// new Dragable(Scene.root.find('plane0'));

	function Dragable(object) {
	const CameraInfo = require('CameraInfo');
	const TouchGestures = require('TouchGestures');

	const width = CameraInfo.previewSize.width;
	const height = CameraInfo.previewSize.height;

pofulu / Audio to Spark AR

Last active August 14, 2020 21:01

Convert any sound to the format acceptable to Spark AR Studio with FFmpeg.

ffmpeg -i audio.wav -ar 44100 -ac 1 output.m4a

pofulu / BrownianMotion.js

Last active March 8, 2019 10:14

Rewrite keijiro's BrownianMotion to ReactiveStyle for Spark AR.

	// C# version source by keijiro: https://github.com/keijiro/Klak/blob/master/Assets/Klak/Motion/Runtime/BrownianMotion.cs

	const Scene = require('Scene');
	BrownianMotion(Scene.root.find('bubble'),
	{
	enablePositionNoise: true,
	enableRotationNoise: false,
	enableScaleNoise: false,
	positionAmplitude: 10
	});

pofulu / Vector3.js

Created March 7, 2019 08:02

Vector3 function in reactive style for Spark AR.

	function Vector3(x, y, z) {
	this.x = x;
	this.y = y;
	this.z = z;

	this.mul = function (multiplier) {
	return new Vector3(this.x.mul(multiplier), this.y.mul(multiplier), this.z.mul(multiplier));
	};
	this.scale = function (anotherVector3) {
	return new Vector3(this.x.mul(anotherVector3.x), this.y.mul(anotherVector3.y), this.z.mul(anotherVector3.z));

pofulu / TRSModel.js

Last active March 7, 2019 08:09

Script for Spark AR. Transform, Rotation, Scale model by TouchGestures. The script can avoid moving the model when rotating and scaling.

	/* How to use
	const Scene = require('Scene');
	const planeTracker = Scene.root.find('planeTracker');
	const model = Scene.root.find('model');

	const trs = new TouchTRS(planeTracker);
	trs.AddModel(model);
	*/

	function TouchTRS(planeTracker) {

pofulu / CrossFade.shader

Last active March 26, 2019 10:37

A simple crossfade unlit shader for Unity

	// Origin: http://guidohenkel.com/2013/04/a-simple-cross-fade-shader-for-unity/

	Shader "CrossFade"
	{
	Properties
	{
	_Blend("Blend", Range(0, 1)) = 0.5
	_Color("Main Color", Color) = (1, 1, 1, 1)
	_MainTex("Texture 1", 2D) = "white" {}
	_Texture2("Texture 2", 2D) = ""

pofulu / RenderSource.cs

Created April 6, 2019 05:21

	using System;
	using System.Collections;
	using System.Collections.Generic;
	using UnityEngine;

	[Serializable]
	public class RenderSource
	{
	public Camera targetCamera;
	public RenderTexture targetTexture;

pofulu / filename.applescript

Created April 9, 2019 15:00 — forked from lg0/filename.applescript

applescript:get selected filename and extension

	tell application "Finder" to set theFile to POSIX path of (selection as alias)
	tell application "Finder" to set fileExtension to name extension of (selection as alias)

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