James Makes a Blog

//smearedPoints
//Setup Code is from this sketch

int[] value, opacity;
int threshold;

void setup() {
  size(720, 720);
  value = new int[width];
  opacity = new int[height];
  translate(width/2, height/3*2);
  threshold = 135;
  for (int i=1; i<width; i++){
    for (int j=1; j<height; j++){
      pushMatrix();
        value[i] = int(map(i,1,width,0,255));
        opacity[j] = int(map(j,1,height,0,255));
        if (opacity[j] < threshold){
          stroke(value[int(abs(cos(i)*j))],opacity[int(abs(cos(j)*i))]);
        } else {
          stroke(value[j],opacity[i]);
        }
        translate(cos(i)*i/3,cos(j)*j/3);
        point(0,0);
      popMatrix();
    }
  }
}

void draw() {
  loadPixels();
  if (threshold < 255) {
    for (int k=width; k<width*height-width; k++) {
      if (brightness(pixels[k]) > threshold) {
        pixels[k-1] = color(
        int(red(pixels[k+1])),
        int(green(pixels[k+1])),
        int(blue(pixels[k+1])),
        int(brightness(pixels[k+1]))
          );
      }
      else {
        pixels[k-width] = color(
        int(red(pixels[k+1])),
        int(green(pixels[k+1])),
        int(blue(pixels[k+1])),
        int(brightness(pixels[k+1]))
          );
      }
    }
    threshold = threshold+1;
  }
  else {
    threshold = 100;
  }
  updatePixels();
}

whichlight:

Tiaga is part V of the web audio api minimal synths series. 

You can play with the synth here. Since it uses the web audio api, it currently requires the chrome browser. 

/**
 tiaga.pde
 
 kawandeep virdee
 **/


int width=600;
int height=600;
int t=0;
float yval=300;
boolean saveFrames=false;

void setup() {
  smooth();
  frameRate(15);
  colorMode(HSB, 360, 100, 100, 100);
  size(width, height);
}

void draw() {
  
  yval =450+50*sin(radians(5*t));
  if (mouseY!=0) {
    yval=mouseY;
  }
  float y = max(height-(yval), 100);
  float res = height/(y/10);
  float sat=50;
  float val = map(height-yval, 0, height, 10, 20);
  background(234, 5, 100);

  for (int i=0; i<height; i+=res) {
    noStroke();
    fill(100, 50, val, 2+res);
    rect(0, y+i, width, 1*i*res);
  }

  if (saveFrames) {
    save("images/"+str(t)+".gif");
  }
  t++;
}

void keyPressed() {
  if (key == CODED) {
    if (keyCode == UP) {
      println("Start saving frames");
      saveFrames=true;
    } 
    else if (keyCode == DOWN) {
      println("Stop saving frames");
      saveFrames=false;
    }
  }
}

/**
 synth.js
 
 kawandeep virdee
 **/
 
 var synths = [];
var gainVal = 0.03;
var qval = 25;

function openNotes(){
       synths.push(setupSynth(150));
       synths.push(setupSynth(100));
       synths.push(setupSynth(200));
       synths.push(setupSynth(250));
       synths.push(setupSynth(300));
}

function closeNotes(){
   for(var i=0; i<synths.length; i++){
       synths[i].source.noteOff(0);
    }
}

function updateNotes(pitch, variance){
   for(var i=0; i<synths.length; i++){
       synths[i].filter.frequency.value = pitch + variance*Math.random();
    }
}

function onNotes(){
   for(var i=0; i<synths.length; i++){
       synths[i].volume.gain.value=gainVal;
    }
}


function offNotes(){
   for(var i=0; i<synths.length; i++){
       synths[i].volume.gain.value=0;
    }
}

function setupSynth(f){
    var nodes={};
    nodes.source = context.createOscillator();
    nodes.source.type=1;
    nodes.source.frequency.value = f;
    nodes.filter = context.createBiquadFilter();
    nodes.filter.Q.value =qval;
    nodes.volume = context.createGainNode();
    nodes.filter.type=0; //0 is a low pass filter

    nodes.volume.gain.value = gainVal;
    nodes.source.connect(nodes.filter);
    nodes.filter.connect(nodes.volume);
    //frequency val
    nodes.filter.frequency.value=400;


    //reverb
    nodes.reverb = context.createConvolver();

    nodes.volume.connect(nodes.reverb);
    nodes.reverb.connect(context.destination);
    nodes.volume.gain.value=0;
    nodes.source.noteOn(0);
    nodes.volume.gain.value=0;
    setReverbImpulseResponse('http://thelab.thingsinjars.com/web-audio-tutorial/Church-Schellingwoude.mp3', nodes.reverb, function() {
      nodes.source.noteOn(0);
    });
    return nodes;
}

function setReverbImpulseResponse(url, convolver, callback) {
        var request = new XMLHttpRequest();
        request.open("GET", url, true);
        request.responseType = "arraybuffer";

        request.onload = function () {
            convolver.buffer = context.createBuffer(request.response, false);
            callback();
        }
        request.send();
    }
 

(via fyprocessing)

//CMYKsinSplit
//Steup Code is from CMYKsin sketch

float rColor, gColor, bColor, aColor;
int threshold;

void setup() {
  size(720, 720);
  translate(width/2, height/3*2);
  threshold = 135;
  for (int i=0; i<width; i++) {
    for (int j=0; j<height; j++) {
      rColor = abs(cos(i)*width/2);
      gColor = abs(sin(j)*height/2);
      bColor = abs(cos(i+j)*width/2);
      aColor = 255;

      stroke(rColor, gColor, bColor, aColor);
      pushMatrix();
      translate((sin(i))*width/5*2, (sin(j))*height/5*2);
      rotate(i);
      rotate(j);
      point(0, 0);
      popMatrix();
    }
  }
}

void draw() {
  loadPixels();
  if (threshold < 255) {
    for (int k=width; k<width*height-width; k++) {
      if (brightness(pixels[k]) > threshold) {
        pixels[k-1] = color(
        int(red(pixels[k+1])),
        int(green(pixels[k+1])),
        int(blue(pixels[k+1])),
        int(brightness(pixels[k+1]))
          );
      }
      else {
        pixels[k-width] = color(
        int(red(pixels[k+1])),
        int(green(pixels[k+1])),
        int(blue(pixels[k+1])),
        int(brightness(pixels[k+1]))
          );
      }
    }
    threshold = threshold+1;
  }
  else {
    threshold = 100;
  }
  updatePixels();
}

tingham:

Processing: Noise Sorting (18)

action-gallery:

Some of the amazing works of Adam Ferris will be featured at  ACTION GALLERY in Milano on May 25 and in Naples on May 30.

(via adamferriss)