nicolas barradeau nicoptere

## barrier-grid.py
import os
import cv2
import numpy as np
folder = "./cat/"
files = os.listdir(folder)
files.sort( )
dst  = np.ones( (143,143), np.float  )
for i, (f) in enumerate( files ):
    img = cv2.imread(folder + f, cv2.IMREAD_UNCHANGED)
    img = cv2.cvtColor( img, cv2.COLOR_BGR2GRAY  )

## atlas.py
import os
import argparse
import cv2
import numpy as np
from tqdm import tqdm
from math import ceil, sqrt

def atlasFromFolder( name, src, dst, tile, packChannels, quality ):

    if src[:-1] != "/":

## Instances.js
import {
  BufferAttribute,
  Group,
  InstancedBufferAttribute,
  InstancedBufferGeometry,
  Mesh,
  MeshStandardMaterial,
  Vector3,
} from "three";
import { GLTFLoader } from "three/examples/jsm/loaders/GLTFLoader.js";

## moebius 3D GLSL (for three.js)
/**
original code https://gist.github.com/Dan-Piker/f7d790b3967d41bff8b0291f4cf7bd9e

need to declare the following:
uniform vec3 origin;
uniform float p;
uniform float q;
uniform float t;
*/

## remove small paths in illustrator
#target illustrator
var document = app.activeDocument;
var maxLength = prompt ("maximum length of a path", 10, "destroy them with lasers!");
for (i=0 ; i< document.pathItems.length; i++)
{
    var ipath = document.pathItems[i]
    if( ipath.hidden == true )continue;
    var l = 0;
    for( var j = 0; j < ipath.pathPoints.length - 1; j++ ){
      var p0 = ipath.pathPoints[j].anchor;

## affine transform
//from https://math.stackexchange.com/questions/296794/finding-the-transform-matrix-from-4-projected-points-with-javascript/339033#339033
// and http://jsfiddle.net/dFrHS/1/

function adj(m) { // Compute the adjugate of m
    return [
        m[4]*m[8]-m[5]*m[7], m[2]*m[7]-m[1]*m[8], m[1]*m[5]-m[2]*m[4],
        m[5]*m[6]-m[3]*m[8], m[0]*m[8]-m[2]*m[6], m[2]*m[3]-m[0]*m[5],
        m[3]*m[7]-m[4]*m[6], m[1]*m[6]-m[0]*m[7], m[0]*m[4]-m[1]*m[3]
    ];
}

## toOBJ


    var str = "# object mesh \n";
    g.toIndexed();

    var vs = g.getAttribute("position").array;
    var ind = g.getIndex().array;

    var precision = 6;
    for( var i = 0 ; i < vs.length; i+=3 ){

## Object3D.js
/**
 * Created by nico on 19/02/14.
 */

var Object3d = function( node, position, rotation )
{

    this.node = node;
    this.parent = null;

## gist:abe6cabf590158c885ecce0768cee41c
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>postmortem</title>
    <style>
        html, body{
            width:100%;
            height:100%;
            overflow: hidden;

## mixer
<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title>MIXER</title>
    <style>
        head, body{
            width:100%;
            height:100%;
            overflow: hidden;
	import os
	import cv2
	import numpy as np
	folder = "./cat/"
	files = os.listdir(folder)
	files.sort( )
	dst = np.ones( (143,143), np.float )
	for i, (f) in enumerate( files ):
	img = cv2.imread(folder + f, cv2.IMREAD_UNCHANGED)
	img = cv2.cvtColor( img, cv2.COLOR_BGR2GRAY )
	import os
	import argparse
	import cv2
	import numpy as np
	from tqdm import tqdm
	from math import ceil, sqrt

	def atlasFromFolder( name, src, dst, tile, packChannels, quality ):

	if src[:-1] != "/":
	import {
	BufferAttribute,
	Group,
	InstancedBufferAttribute,
	InstancedBufferGeometry,
	Mesh,
	MeshStandardMaterial,
	Vector3,
	} from "three";
	import { GLTFLoader } from "three/examples/jsm/loaders/GLTFLoader.js";
	/**
	original code https://gist.github.com/Dan-Piker/f7d790b3967d41bff8b0291f4cf7bd9e

	need to declare the following:
	uniform vec3 origin;
	uniform float p;
	uniform float q;
	uniform float t;
	*/
	//from https://math.stackexchange.com/questions/296794/finding-the-transform-matrix-from-4-projected-points-with-javascript/339033#339033
	// and http://jsfiddle.net/dFrHS/1/

	function adj(m) { // Compute the adjugate of m
	return [
	m[4]m[8]-m[5]m[7], m[2]m[7]-m[1]m[8], m[1]m[5]-m[2]m[4],
	m[5]m[6]-m[3]m[8], m[0]m[8]-m[2]m[6], m[2]m[3]-m[0]m[5],
	m[3]m[7]-m[4]m[6], m[1]m[6]-m[0]m[7], m[0]m[4]-m[1]m[3]
	];
	}


	var str = "# object mesh \n";
	g.toIndexed();

	var vs = g.getAttribute("position").array;
	var ind = g.getIndex().array;

	var precision = 6;
	for( var i = 0 ; i < vs.length; i+=3 ){
	/**
	* Created by nico on 19/02/14.
	*/

	var Object3d = function( node, position, rotation )
	{

	this.node = node;
	this.parent = null;
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>postmortem</title>
	<style>
	html, body{
	width:100%;
	height:100%;
	overflow: hidden;
	<!DOCTYPE html>
	<html>
	<head lang="en">
	<meta charset="UTF-8">
	<title>MIXER</title>
	<style>
	head, body{
	width:100%;
	height:100%;
	overflow: hidden;