Distance Sensor
The Distance sensor provides your robot with information about proximity to objects in the simulation.
The value returns is from 0 (meaning exactly in front of the sensor), to it's limit (meaning far away).
Measurements are in meters.
RobotBasic IDs
RobotBasic class provides you with 4 already installed SensorDistance, one for each direction.
The sensor ID's acordingly to it's direction are:
- Front:
ULTRASONIC_FRONT - Right:
ULTRASONIC_RIGHT - Back:
ULTRASONIC_BACK - Left:
ULTRASONIC_LEFT
Values Returned
Distance sensors returns only one measurement, therefor, you can only read the index 0:
Sensor someDistanceSensor = getSensor("ULTRASONIC_FRONT");
float distance = someDistanceSensor.readValue(0);
Limits and Noise
Distance sensors can be limited to some maximum value, that depends on the internal configuration of the sensor. And also, it's value are noise-applied, meaning that it's not 100% correct;