Microlife

int amount = 100;

int maxSpeed = 5;

​

float[] dotsX = new float[amount];

float[] dotsY = new float[amount];

int[] Xspeed = new int[amount];

int[] Yspeed = new int[amount];

float diameter;

boolean shaking = false;

​

void setup() {

  fullScreen();

  smooth();

  for (int i=0; i<amount; i++) {

    dotsX[i] = random(width);

    dotsY[i] = random(height);

    Xspeed[i] = int(random(-maxSpeed, maxSpeed));

    Yspeed[i] = int(random(-maxSpeed, maxSpeed));

  }

  stroke(255);

  strokeWeight(1);

  noFill();

  diameter = height/100;

}

​

void draw() {

  background(0);

  if (shaking == false) {

    for (int i=0; i<amount; i++) {

      dotsX[i] = dotsX[i] + Xspeed[i];

      dotsY[i] = dotsY[i] + Yspeed[i];

      if ((dotsX[i] > width) || (dotsX[i] < 0)) {

        Xspeed[i] = -Xspeed[i];  

      }

      if ((dotsY[i] > height) || (dotsY[i] < 0)) {

        Yspeed[i] = -Yspeed[i];

      }

      ellipse(dotsX[i], dotsY[i], diameter, diameter);

    }

  } else {

    for (int i=0; i<amount; i++) {

      Xspeed[i] = int(random(-maxSpeed, maxSpeed));

      Yspeed[i] = int(random(-maxSpeed, maxSpeed));

      dotsX[i] = dotsX[i] + Xspeed[i];

      dotsY[i] = dotsY[i] + Yspeed[i];

      ellipse(dotsX[i], dotsY[i], diameter, diameter);

    }

  }

}

​

void mousePressed() {

  shaking = !shaking;

}