61 lines
1.5 KiB
Java
61 lines
1.5 KiB
Java
package de.hems.trafficsim;
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import java.util.Random;
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public class Vehicle {
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protected int id;
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protected float position;
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protected float curVelocity;
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protected float maxVelocity;
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protected float brakeProp;
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protected float trackLength;
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public Vehicle(int id, int position, float maxVelocity, float brakeProp, float trackLength) {
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this.id = id;
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this.position = position;
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this.maxVelocity = maxVelocity;
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this.brakeProp = brakeProp;
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this.curVelocity = 0;
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this.trackLength = trackLength;
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}
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public float getPosition() {
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return position;
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}
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public float getCurVelocity() {
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return curVelocity;
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}
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public float getMaxVelocity() {
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return maxVelocity;
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}
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public void updateVelocity(float distanceForerunner, float timeStep) {
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Random random = new Random();
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float r = random.nextFloat();
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if (curVelocity < maxVelocity) {
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curVelocity = curVelocity + 1*timeStep;
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}
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if (r < brakeProp && curVelocity > 0) {
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curVelocity = getCurVelocity() - 1;
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if (curVelocity < 0)
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curVelocity = 0;
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}
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float distance = this.curVelocity * timeStep;
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if (distance > distanceForerunner) {
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curVelocity = distanceForerunner/timeStep;
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}
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}
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public void timeElapse(float timeStep) {
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position = (position + curVelocity*timeStep) % this.trackLength;
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}
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}
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