Car object

Car.java

+package carfollowing_2024_05_02;
+
+import java.util.ArrayList;
+
+public class Car {
+	/* This car has below variables:
+	 * (String) id 
+	 * (int) speedCurrent    : current speed (m/s)
+	 * (int) speedDesire     : desire speed (m/s) 
+	 * (float) departureTime : departure time (s) 
+	 * (float) arrivalTime   : arrival time (s) 
+	 * (float) position		 : curent position (m)
+	 * (float) t 			 : time reaching end of road from current position (s)
+	 * (float) deltaT		 : time reaching front car from current position (s) */
+	
+	int DistaceBetweenCar=3;
+	int CarLenght = 2;
+	String id;
+	int speedCurrent, speedDesire;
+	float departureTime, arrivalTime;
+	float t;
+	float deltaT = Float.POSITIVE_INFINITY;
+	float position = 0;
+	float watingTime=0;
+	
+
+	// Test 2024_04_09
+	public ArrayList<String> listSpeed = new ArrayList();
+	public ArrayList<String> listPosition = new ArrayList();
+	
+	public Car(String name, int speed, float time) {
+		super();
+		this.id = name;
+		this.speedDesire = speed;
+		this.speedCurrent = speed;
+		this.departureTime = time;
+	}
+	
+	public String toString() {
+		return ("Car " + this.id + ", "
+				+ "speed " + this.speedCurrent + "m/s, "
+				+ "departure time " + this.departureTime + "s, "
+				+ "arrival time " + this.arrivalTime + "s");
+	}
+	
+	// For test 2024_04_06
+	public String getID() {
+		return this.id;
+	}
+	
+	// Set initial speed when a car enters road
+	public void setSpeed(int speed) {
+		if (speedDesire < speed) speedCurrent = speedDesire;
+		else speedCurrent = speed;
+	}
+	
+	public int getSpeed() {
+		return speedCurrent;
+	}
+	
+	public void setT(float length) {
+		// 2024_04_16 time (s) = length (m) / speedCurrent (m/s)
+		this.t = length / speedCurrent;
+	}
+	
+	public float getT() {
+		return this.t;
+	}
+	public float getWatingTime() {
+		return watingTime;
+	}
+	
+	public void setDeltaT(float positionFront, int speedFront) {
+		//change it because of the gaps that can be broken
+		if (speedFront < speedCurrent) {
+			// 2024_04_16 deltaTime (s) = deltaDistance (m) / deltaSpeed (m/s)
+			this.deltaT = (positionFront - position - DistaceBetweenCar-CarLenght) / (speedCurrent - speedFront);
+			if((positionFront - position -DistaceBetweenCar-CarLenght)<0) 
+			{
+				this.deltaT=0;
+				this.position=positionFront-DistaceBetweenCar-CarLenght;
+			}
+				
+			
+		}
+		else this.deltaT = Float.POSITIVE_INFINITY;
+	}
+	
+	public float getDeltaT() {
+		return this.deltaT;
+	}
+	
+	public void setPosition() {
+		this.position = 0;
+	}
+	
+	public float getPosition() {
+		return this.position;
+	}
+	
+	// Update position, t, deltaT when AMRoad has an external event
+	public void updateValue(float e) {
+		// 2024_04_16 position (m) = speed (m/s) * time (s)
+		this.position += speedCurrent * e;
+		this.t -= e;
+		this.deltaT -= e;
+	}
+	public void updateWatingTime(float e) {
+		this.watingTime-=e;
+	}
+	
+	// Update speed, t, deltaT when car reaches front car
+	public void updateValue(int speedFront, float timeFront) {
+		this.speedCurrent = speedFront;
+		// why  i changed it ?
+		//this.t=timeFront;
+		float gaps =  (DistaceBetweenCar+CarLenght) ;
+		// i diveded float / int to have a float result
+		this.t = timeFront +  ( gaps  /speedFront );
+		this.deltaT = Float.POSITIVE_INFINITY;
+	}
+	
+	// Arrival time is set when car is received at AMTransducer
+	public void setArrivalTime(float time) {
+		arrivalTime = time;
+	}
+	
+	public void setWatingTime(float PositionFront,int speedFront) {
+		watingTime=(5-PositionFront)/(speedFront);
+	}
+	
+	// Test 2024_04_09
+	public void addSpeed(float time) {
+		listSpeed.add(String.valueOf(time) + " " + String.valueOf(speedCurrent));
+	}
+	
+	// Test 2024_04_09
+	public void addPosition(float time) {
+		listPosition.add(String.valueOf(time) + " " + String.valueOf(position));
+	}
+	
+}