Karel Language Reference
Primitives
- void movek() - Move Karel one intersection forward.
- void turnLeft() - Pivots Karel 90 degrees left.
- void pickBeeper() - Take a beeper from the current intersection and put it in the beeper bag.
- void putBeeper() - Take a beeper from the beeper bag and put it at the current intersection.
- void turnOn(char* path) - Turn Karel on.
- void turnOff() - Turn Karel off.
Sensors
- int frontIsClear() - 1 if there is no wall directly in front of Karel. 0 if there is.
- int frontIsBlocked() - 1 if there is a wall directly in front of Karel. 0 otherwise.
- int leftIsClear() - 1 if there is no wall immediately to Karel's left. 0 if there is.
- int leftIsBlocked() - 1 if there is a wall immediately to Karel's left. 0 otherwise.
- int rightIsClear() - 1 if there is no wall immediately to Karel's right. 0 if there is.
- int rightIsBlocked() - 1 if there is a wall immediately to Karel's right. 0 otherwise.
- int beepersPresent() - 1 if Karel is standing at an intersection that has a beeper. 0 otherwise.
- int noBeepersPresent() - 1 if there is not beeper at the current intersection. 0 if there is a beeper at the current intersection.
- int facingNorth() - 1 if Karel is facing north. 0 otherwise.
- int notFacingNorth() - 1 if Karel is not facing north. 0 if he is facing north.
- int facingSouth() - 1 if Karel is facing south. 0 otherwise.
- int notFacingSouth() - 1 if Karel is not facing south. 0 if he is facing south.
- int facingEast() - 1 if Karel is facing east. 0 otherwise.
- int notFacingEast() - 1 if Karel is not facing east. 0 if he is facing east.
- int facingWest() - 1 if Karel is facing west. 0 otherwise.
- int notFacingWest() - 1 if Karel is not facing west. 0 if he is facing west.
- int beepersInBag() - 1 if there is at least one beeper in Karel's beeper bag. 0 if the beeper bag is empty.
- int noBeepersInBag() - 1 if Karel's beeper bag is empty. 0 if there is at least one beeper in the beeper bag.
Misc
- void setStepDelay(int) - Sets delay of one Karel's step in miliseconds.
- loop(int n){commands} - Arithmetic cycle, which will make exactly n iterations.