#include <Servo.h>

Servo eyeside;  // servo for right/left movement
Servo eyever;   //servo for up/down movement
Servo blink;    //servo for eyelids

int pos = 0;  // variable to store the servo position

byte randomhor;
byte randomvert;
int randomdelay;

unsigned long MOVING_TIME = 1000;
unsigned long moveStartTime;
int startAngle = 0;
int stopAngle = 90;



#define HLEFTLIMIT 0    //define left limit on horizontal (left/right) servo
#define HRIGHTLIMIT 90  //define right limit on horizontal (left/right) servo


#define VTOPLIMIT 90  //define top limit on vertical (up/down) servo
#define VBOTLIMIT 180  //define bottom limit on horizontal (up/down) servo


void setup() {
  Serial.begin(9600);
  Serial.println("servo my eyes!");

  eyeside.attach(9);  //attaches the servo on pin 9 to the servo object
  eyever.attach(8);
  blink.attach(7);
  randomSeed(analogRead(0));  //Create some random values using an unconnected analog pin
  moveStartTime = millis();
}

void loop() {

/*
  unsigned long progress = millis() - moveStartTime;
  if (progress >= MOVING_TIME) {

    Serial.print("see this now: "); Serial.print(millis());

    long angle = map(progress, 0, MOVING_TIME, startAngle, stopAngle);
    blink.write(180);
    moveStartTime = millis();
  }
*/ 

  randomhor = random(HLEFTLIMIT, HRIGHTLIMIT);  //set limits
  randomvert = random(VTOPLIMIT, VBOTLIMIT);    //set limits
  randomdelay = random(500, 1500);             //moves every 0.5 to 1.5 seconds

    Serial.print(" blink then delay "); Serial.println(randomdelay);


  eyeside.write(randomhor);
  eyever.write(randomvert);

  for (pos = 0; pos <= 180; pos ++) {
    blink.write(pos);
    delay(5);
   }

   for (pos = 180; pos >= 0; pos --) {
     blink.write(pos);
     delay(1);
   }

  blink.write(pos);

  delay(randomdelay); 
}





/*

original version fixed up a bit

#include <Servo.h>

Servo eyeside;  // servo for right/left movement
Servo eyever;   //servo for up/down movement
Servo blink;    //servo for eyelids

int pos = 0;  // variable to store the servo position

byte randomhor;
byte randomvert;
int randomdelay;

unsigned long MOVING_TIME = 1000;
unsigned long moveStartTime;
int startAngle = 0;
int stopAngle = 90;

#define HLEFTLIMIT 0    //define left limit on horizontal (left/right) servo
#define HRIGHTLIMIT 75  //define right limit on horizontal (left/right) servo


#define VTOPLIMIT 60  //define top limit on vertical (up/down) servo
#define VBOTLIMIT 75  //define bottom limit on horizontal (up/down) servo


void setup() {
  Serial.begin(9600);
  eyeside.attach(9);  //attaches the servo on pin 9 to the servo object
  eyever.attach(8);
  blink.attach(7);
  randomSeed(analogRead(0));  //Create some random values using an unconnected analog pin
  moveStartTime = millis();
}

void loop() {
  unsigned long progress = millis() - moveStartTime;

Serial.print( "progress " );
Serial.print( progress );
Serial.print( " MOVING_TIME " );
Serial.print( MOVING_TIME );
Serial.println();

  if (progress >= MOVING_TIME) {
    long angle = map(progress, 0, MOVING_TIME, startAngle, stopAngle);
    blink.write(angle);
    moveStartTime = millis();
  }


  randomhor = random(HLEFTLIMIT, HRIGHTLIMIT);  //set limits
  randomvert = random(VTOPLIMIT, VBOTLIMIT);    //set limits
  randomdelay = random(100, 600);             //moves every 0.1 to 0.6 seconds

  eyeside.write(randomhor);
  eyever.write(randomvert);

  for (pos = 0; pos <= 180; pos++) {
    blink.write(pos);
    delay(15);
  }

  delay(randomdelay); 
}
*/