Touch Less Switch

#define r1 13
int relay1 = LOW;

int obstaclePin = 7;  // This is our input pin
int hasObstacle = HIGH;

void setup()
{
  pinMode(r1, OUTPUT);
  pinMode(obstaclePin, INPUT);
  Serial.begin(9600);  
}
void loop() {
  hasObstacle = digitalRead(obstaclePin);
  if (hasObstacle == LOW)
  {
            relay1 = ~ relay1;
            digitalWrite(r1,relay1);
            delay(1000);
   }
 
  delay(200);
}