STUDIO/LAB MIDTERM

main_proc.ino

// get the serial lib :
import processing.serial.*;

// give port a variable :
Serial port;

// get the webcam lib :
import processing.video.*;

// give webcam a variable :
Capture webcam;

// sensors
int cap1, cap2, piezo, temp, axisX, axisY, axisZ;

// for accel filter settings
float x, y, z;

PShader shade;

void setup() {
  size(480, 360, P2D);
  smooth();

  webcam = new Capture(this, width, height, 24);
  webcam.start();

  String portName = "/dev/cu.usbmodem1421";
  port = new Serial(this, portName, 115200);
  port.bufferUntil('\n');

  shade = loadShader("shader.glsl");
}

void captureEvent(Capture webcam) {
  webcam.read();
}

void serialEvent(Serial port) {

  String reading = port.readStringUntil('\n');
  if (reading != null) {
    reading = trim(reading);

    int values[] = int(split(reading, ','));

    for (int valNum = 0; valNum < values.length; valNum++) {
      print(values[valNum] + "|");
    }
    println();

    if (values.length > 1) {
      cap1 = values[0];
      cap2 = values[1];
      piezo = values[2]; 
      temp = values[3];
      axisX = values[4];
      axisY = values[5];
      axisZ = values[6];
    }
  }
}

void draw() {

  shade.set("brightness", 1.0);

  // cap1, cap2 – brcosa
  shade.set("contrast", map(cap1, 0, 128, -5, 5));
  shade.set("saturation", map(cap2, 0, 128, -5, 5));

  // piezo - threshold | piezo - pixelate
  if (piezo >= 400 && piezo <= 410) {
    shade.set("threshold", map(piezo, 400, 410, 0, 1));
  } else {
    shade.set("pixels", 0.1 * piezo, 0.1 * piezo);
  }

  // temp - blur
  float t;
  if (temp >= 100) { //when analog pin unplugged 
    t = 6;
  } else {
    t = 0;
  }

  // axisX, axisY, axisZ - channels  
  shade.set("rbias", map(x, 2, 500, -0.2, 0.2), 0.0);
  shade.set("gbias", map(y, 2, 500, -0.2, 0.2), 0.0);
  shade.set("bbias", map(z, 2, 500, -0.2, 0.2), 0.0);

  shade.set("rmult", map(x, 2, 500, 0.8, 1.5), 1.0);
  shade.set("gmult", map(y, 2, 500, 0.8, 1.5), 1.0);
  shade.set("bmult", map(z, 2, 500, 0.8, 1.5), 1.0);

  // alternate color filter for axisX, axisY, axisZ
  //int a;
  //float rX = map(x, 2, 500, 0, 255);
  //float gY = map(y, 2, 500, 0, 255);
  //float bZ = map(z, 2, 500, 0, 255);
  //// y is also alpha
  //a = int(gY);

  //// if x unplugged 
  //if (x > 300 && z > 100) {
  //  rX = 0;
  //}
  //// if z unplugged
  //if ((x >= 45 && x <= 50) && (y >= 45 && y <= 50) && (z >= 45 && z <= 50)) {
  //  bZ = 0;
  //} else {
  //  a = 0;
  //}
  //color c = color(rX, gY, bZ, a);
  //tint(c);

  image(webcam, 0, 0);

  // turn on shader after all settings :
  filter(shade);

  // turn on blur filter :
  filter(BLUR, t);
}


//if 'DOWN' key pressed, saveImage();
void saveImage()
{
  saveFrame("images/captured-####.jpg");
}
void keyPressed() {
  if (key == CODED) {
    if (keyCode == DOWN) { 
      saveImage();
    }
  }
}