Control Structures

int bursts = 0;                         // Create variable 'bursts' of type int and set it to '0'.
 
do
{ 
  motor[rightMotor] = 50;  // run 'rightMotor' at power level 50
  motor[leftMotor]  = 50;  // run 'leftMotor' at power level 50
 
  bursts = bursts + 1;     // increment 'bursts' by 1
 
  wait1Msec(3000);         // wait for 3000 milliseconds before continuing
 
}while(bursts < 3)         // while 'bursts' is less than 3:
 
motor[rightMotor] = 0;  // stop 'rightMotor'
motor[leftMotor]  = 0;  // stop 'leftMotor'

for(int i = 0; i <= 3; i++)  // initialize int 'i' to 0, and run the loop as long as 'i' is less than 3,
                             // incrementing 'i' by 1 after each iteration of the loop
{ 
  motor[rightMotor] = 50;   // run 'rightMotor' at power level 50
  motor[leftMotor]  = 50;   // run 'leftMotor' at power level 50
  wait1Msec(3000);          // wait for 3000 milliseconds before continuing.
  motor[rightMotor] = 50;   // run 'rightMotor' at power level 50
  motor[leftMotor]  = -50;  // run 'leftMotor' at power level -50
  wait1Msec(500);           // wait for 500 milliseconds before continuing. 
}
 
motor[rightMotor] = 0;  // stop 'rightMotor'
motor[leftMotor]  = 0;  // stop 'leftMotor'

if(SensorValue(touch1) == 1)                       // if the touch sensor 'touch1' reads '1' (pressed):
{
  nxtDisplayCenteredTextLine(2, "Touch pressed");    // display "Touch pressed" to the VEX LCD
}
else                                               // else (the touch sensor 'touch1' reads '0' [unpressed]):
{
  nxtDisplayCenteredTextLine(2, "Touch unpressed");  // display "Touch unpressed" to the LCD
}

int nTaskToStart = 2;  // int 'nTaskToStart' is set to '2'
 
switch(nTaskToStart)   // test 'nTaskToStart' in the switch
{ 
  case 1:                // if 'nTaskToStart' is '1':
    StartTask(One);        // start task One
    break;                 // break out of this switch statement and continue code after the '}'
 
  case 2:                // if 'nTaskToStart' is '2':
    StartTask(Two);        // start task Two
    break;                 // break out of this switch statement and continue code after the '}'
 
  default:               // if 'nTaskToStart' is anything other than '1' or '2':
    StartTask(Three);      // start task Three
}

while(SensorValue(sonarSensor) > 20)  // while the Sonar Sensor reads data greater than '20':
{ 
  motor[rightMotor] = 50;               // run 'rightMotor' at power level 50
  motor[leftMotor]  = 50;               // run 'leftMotor' at power level 50
}
 
motor[rightMotor] = 0;                // stop 'rightMotor'
motor[leftMotor]  = 0;                // stop 'leftMotor'