Blinking Jellyfish_procssing code

gistfile1.txt

import processing.serial.*;
int yspacing = 16;   // How far apart should each horizontal location be spaced
int h;              // Width of entire wave
Serial myPort;
float theta = 0.0;  // Start angle at 0
float amplitude = 0;  // Height of wave
float period = 500.0;  // How many pixels before the wave repeats
float dy;  // Value for incrementing X, a function of period and xspacing
float[] xvalues;  // Using an array to store height values for the wave

float [] Arr = {
  50, 20, 1, -12, -34, -54, -70, -80, -85, -90, -92, -80, -70, -53, -40, -30, -25, -20, -15, -10, -5, -3, -2
};
float off_set = -80;

float R;
float G;
float B;

void setup() {
  size(640, 800, P3D);
  h = 600;
  dy = (TWO_PI / period) * yspacing;
  xvalues = new float[h/yspacing];
  
  println(Serial.list());
  String portName = Serial.list()[5];
  myPort = new Serial(this, portName, 9600);
  myPort.bufferUntil('\n');
}

void draw() {
  background(0);
  calcWave();
  renderWave();

}

void calcWave() { 
  // Increment theta (try different values for 'angular velocity' here
  theta -= 0.1;

  // For every x value, calculate a y value with sine function
  float y = theta;
  for (int i = 0; i < xvalues.length; i++) {
    xvalues[i] = cos(y)*(amplitude);
    y+=dy;
    if (amplitude<24) {
      amplitude++;
    }
  }
}

void renderWave() {
  strokeWeight(1.2);
  //stroke(0, 150, 255, 65);
  fill(R, G, B);

  for (int i=1; i<100; i++) {

    pushMatrix();
    translate(320, 0);
    rotateY(radians(20*i-180+5));
    // A simple way to draw the wave with an ellipse at each location
    for (int x = 0; x <xvalues.length; x++) {

      if (x<Arr.length) {
        if (i%2!=0 &&x>12) {
        } else if (i%2==0) {

          ellipse( (xvalues[x]+off_set), x*yspacing+90, 9, 9);//body
        } else {

          ellipse( (xvalues[x]+off_set)+Arr[x], x*yspacing+30, 12, 12);//head
        }
      } else {
        if (i%2 == 0) {

          ellipse( xvalues[x]+off_set, x*yspacing+90, 8, 8);//legs
        }
      }
    }
    popMatrix();
  }
}

void serialEvent(Serial myPort) {
  String inString = myPort.readStringUntil('\n');

  if (inString != null) {
    // trim off any whitespace:
    inString = trim(inString);
    // split the string on the commas and convert the resulting substrings into an integer array:
    float[] colors = float(split(inString, ","));
    // if the array has at least three elements, you know you got the whole thing.  Put the numbers in the
    // color variables:
    if (colors.length >=3) {
      // map them to the range 0-255:
      R = colors[0];
      G = colors[1];
      B = colors[2];
    }
  }
  println(R, G, B);
}