Gian Carlo Mingati
design and development for interactive media

HEMC_SplitMesh study.
Made with Processing + Hemesh.

An effective method to save a frame with a different size than the size of the 3D sketch you’re drawing, is to use a PGraphics to make an enlarged copy of the scene; this image (click on it) has been created from the webcam feed wich is normally set to 320×240 pixels; when you create a PGraphics (Processing’s main graphics and rendering context) you must specify the width and height of the object itself; try to multiply the sketch’s original size by 10. You get images of 3200×2400 pixels or more. See hi-res anemone and hi-res webcam feed, they’re both transparent png files saved with this technique from two of my sketches.

void keyPressed()
{
    switch(key) {
    case 's':
    noLoop();
    drawbg = false; // this is a boolean wich you can use to remove the background from the main draw() method; eg: if(drawbg) background(255)
    recorder = createGraphics(width*10, height*10, P3D); //  original app size is multiplied by 10
    recorder.beginDraw();
    cam.getState().apply(recorder); // useful for 3D scenes, sync the perspective - you need the peasyCam library, applies the latest CameraState
    draw();
    recorder.endDraw();
    recorder.save("test.png"); // save to disk (skecth folder)
    recorder = null;
    println("screenshot saved");
    loop();
    break;
    }
}

Re-constructed structures.
Made with Processing+Hemesh+SunflowApiApi.
Creating meshes is cool (for a given amount of cool) but destroying them is even cooler. (W:Blut)
True, but once a mesh is modified (with the Lattice modifier, for example) how can we re-construct the shape keeping track of the removed ones? I wanted a way to render some glass-looking windows on the buildings faces and discovered (hacked) a way to re-generate a polygon (a new cube but still missing the 6th face) where initially a hole have been created. One can draw the polygons by going through the WB_Point array of each poly, creating a polygon for every face you delete.

import wblut.hemesh.*;
import wblut.hemesh.creators.*;
import wblut.hemesh.modifiers.*;
import wblut.hemesh.subdividors.*;
import wblut.hemesh.kdtree.*;
import wblut.hemesh.tools.*;
import wblut.geom.*;
import wblut.math.*;
	
import peasy.org.apache.commons.math.*;
import peasy.*;
import peasy.org.apache.commons.math.geometry.*;
	
HE_Mesh mesh, holes;
PeasyCam cam;
HE_Selection selection;
	
ArrayList<WB_Polygon> removedPolys = new ArrayList<WB_Polygon>();
ArrayList<WB_Quad> qua = new ArrayList<WB_Quad>();
	
void setup()
{
size(650, 650, P3D);
cam = new PeasyCam(this, 450);
HEC_Creator cube = new
HEC_Box(this).setWidth(100).setWidthSegments(5)
	.setHeight(100).setHeightSegments(5)
	.setDepth(100).setDepthSegments(6);
mesh = new HE_Mesh(cube);
selection=new HE_Selection();
Iterator fItr=mesh.fItr();
HE_Face f;
while(fItr.hasNext()){
 f=fItr.next();
 if(random(100) < 50){
   selection.add(f);
   removedPolys.add(f.toPolygon());
 }
}
HEM_Lattice lattice = new HEM_Lattice().setDepth(6).setWidth(3);
mesh.modifySelected(lattice, selection);
	
for (WB_Polygon wb:removedPolys){
  for(int i = 0; i < wb.points.length; i+=4){
	WB_Quad wbq = new WB_Quad(wb.points[i], wb.points[i+1], wb.points[i+2], wb.points[i+3]);
	qua.add(wbq);
  }
}
HEC_FromQuads hfq = new HEC_FromQuads(this).setQuads(qua);
holes = new HE_Mesh(hfq);
HEM_Extrude extrude = new HEM_Extrude().setDistance(1);
holes.modify(extrude);
}
	
void draw()
{
    background(255);
    lights();
    noStroke();
    fill(220);
    mesh.drawFaces();
    fill(#B90202, 70);
    holes.drawFaces();
}

3D mirror buildings created with Processing+Hemesh and rendered with SunflowApiApi.

HEC_Geodesic. made with Processing and Hemesh.
These incredible shapes have been created with Hemesh, a library for Processing created by Frederik Vanhoutte (W:Blut) for creating and manip­u­lat­ing 3D meshes. I just downloaded the lib and started coding, trying to render them with Christopher Warnow’s SunflowApiApi. So far, these are the results. Amazing libraries!

After some figuring out, I got SunflowApiApi to work directly from Processing! Still did not get perfectly how to use the 8 available shaders and how to set up the scene global illumination, but the first results are impressive.

Applet and source code: http://www.openprocessing.org/visuals/?visualID=17064
Type a search term and press ENTER; UP/DOWN keys toggles images/descriptions.
made with Processing.

This thread has lit the spark! Using the code provided by Gustav Bjordal in his PhotoWall sketch, I developed a very quick prototype wich a) connects to the Flickr API service and performs a query with a user-defined keyword, b) parses (with the proXML lib, tho I could have used the default processing xml parsing cababilities) the response, c) creates a matching number of texturized boxes, d) draws a sphere made of randomly sized boxes properly rotated along the surface. It is a signed Applet (Applets are normally executed in a sandbox that prevents them from accessing the local hard disk/network) so you’ll have to grant all the alerts that may pops up at first run.

Not the smartest way to query Flickr, but it’s been cool to code.
Applet and source here.
Merry Christmas, everyone!

We Are Pixels (extended version)
Press keys a,b,c,d,e to morph within sentences.
http://www.openprocessing.org/visuals/?visualID=16766

Recursive 3D texts - made with Processing

Wikileaks.org (Chissà che c’è sotto).
© Giannelli - Corriere della Sera.
On Sunday 28th Novembre 2010, WikiLeaks began publishing 251,287 leaked United States embassy cables, the largest set of confidential documents ever to be released into the public domain.
Now the question is: are they doing the right thing? I’d say not-at-all. It is too early to say precisely what damage the WikiLeaks revelations will do but in my opinion they will contribute to make this world - at least - more chaotic.

Tracy Nino. October 2000/2005 - November 2010
Ciao Tracy. La tua famiglia ti saluta e ti augura di continuare a smangiucchiare le cacche e a correre felice; sei stata il cane più bello, dolce e bravo che abbiamo mai avuto. Non smetteremo mai di ricordare con dolcezza i tuoi occhioni neri e quel muso a siluro, i tuoi warf quando mi vestivo e tu non volevi che io uscissi, le tue incessanti richieste di cibo, le tue scampagnate con Peter alla ricerca di zozzerie sulle quali strusciarti e neppure potremo dimenticare il giorno che ti abbiamo presa, quando Paolo ti ha spazzolata per la prima volta dopo anni di prigionia. E io non dimenticherò il colle Oppio, le vacanze insieme, la tua pazienza, il tuo carattere mite. Grazie per tutto quello che hai fatto per noi e per come hai cambiato, davvero, le nostre vite.
Ora sei davvero libera, corri, vai e non voltarti che mi viene da piangere!

Chi non ha mai posseduto un cane, non sa cosa significhi essere amato.
— Arthur Schopenhauer