Draw with blink

drawRobotArrowsBlink.pde

float posx;
float posy;
float scaleValue = 1;
color backColor;
int blink = 2;

long lastTime = 0;
void setup() {
  size(800, 500);
  frameRate(24);
  posx = random(0, width);
  posy = random(0, height);
  backColor = color(255);
}

void draw() {

  background(backColor);
  
  
  drawRobot(scaleValue, blink, posx, posy); //calling the function with fixed parameters
  
  if(millis() - lastTime > 200 ){
    blink = (int)random(0,3);
    lastTime = millis();
  }
  //posx = posx + 10;
  //posy = posy + 10;
  float r = map(posx, 0, width, 0, 255);
  float b = map(posy, 0, width, 0, 255);

  backColor = color(r, b, 255);

  if (posx > width) {
    posx = random(0, width);
    scaleValue = random(0.5, 5);
  }
  if (posy > height) {
    posy = random(0, height);
    scaleValue = random(0.5, 5);
  }
}

void keyPressed() {
  if (key == 'q') {
    posx = random(0, width);
    posy = random(0, height);
  } else if (key == 'w') {
    scaleValue = random(0.5, 5);
  } else if (key == CODED) {
    //arrow keys tests
    if (keyCode == UP) {
      posy = posy - 10;
    } else if (keyCode == DOWN) {
      posy = posy + 10;
    } else if (keyCode == LEFT) {
      posx = posx - 10;
    } else if (keyCode == RIGHT) {
      posx = posx + 10;
    }
  }
}


//function to draw my shape
void drawRobot(float scaleValue, int blink, float posx, float posy) {
  pushMatrix();
  //translate to given parameters

  translate(posx, posy);
  scale(scaleValue);
  if (blink == 0) {
    
    ellipse(0, 0, 50, 50);
    ellipse(-10, 0, 10, 10);
    ellipse(-10, 0, 3, 3);
    ellipse(10, 0, 10, 10);
    ellipse(10, 0, 3, 3);
    
  } else if (blink == 1) {

    ellipse(0, 0, 50, 50);
    
    ellipse(-10, 0, 10, 1);
    ellipse(-10, 0, 3, 3);
    
    ellipse(10, 0, 10, 1);
    ellipse(10, 0, 3, 3);
    
  } else if (blink == 2) {
    
    ellipse(0, 0, 50, 50);
    
    ellipse(-10, 0, 10, 15);
    ellipse(-10, 0, 3, 1);
    
    ellipse(10, 0, 10, 15);
    ellipse(10, 0, 3, 1);
    
  }

  arc(0, 10, 20, 20, radians(30), radians(150)); //randians convert degrees

  popMatrix();
}