Simulacrum Beta 2

//A0 is Right Rotation.
//A1 is Left Rotation.
//A2 is Right Pressure.
//A3 is Left Pressure.

int cur = 0;
int dur = 0;

boolean LeftFoot = false;
boolean RightFoot = false;

unsigned long walked = 0;
void setup() {
  cur = analogRead(A0);
  dur = analogRead(A1);
  Mouse.begin();
  Keyboard.begin();
}

void loop() {
  if((millis()>walked+250)&&(walked!=0)){
    Keyboard.release('w');
    walked = 0;
  }
  if((!LeftFoot)&&(analogRead(A3)>=500)){
    LeftFoot = true;
  }
  if((!RightFoot)&&(analogRead(A2)>=500)){
    RightFoot = true;
  }
  if((LeftFoot)&&(analogRead(A3)<500)){
    walked = millis();
    Keyboard.press('w');
    LeftFoot = false;
  }
  if((RightFoot)&&(analogRead(A2)<500)){
    walked = millis();
    Keyboard.press('w');
    RightFoot = false;
  }
  if(!((analogRead(A2)>500)&&(analogRead(A3)>500))){
    if (abs(cur-analogRead(A0))>1){
      if((RightFoot)&&(!LeftFoot)) {
        Mouse.move((cur-analogRead(A0))*-4,0);
      }
      cur = analogRead(A0);
    }
    else if (abs(dur-analogRead(A1))>1){
      if((LeftFoot)&&(!RightFoot)){
        Mouse.move((dur-analogRead(A1))*-4,0);
      }
      dur = analogRead(A1);
    }
  }
  delay(1);
}