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Author | SHA1 | Date | |
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Mark Joshwel | c7242dbe58 | ||
Mark Joshwel | 72596f0b07 |
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@ -1,238 +0,0 @@
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|||
/*
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* author: ryan lin
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* date: 30/7/2024
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* description: making the car go to a game object's position
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*/
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using System.Collections;
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using UnityEngine;
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/// <summary>
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/// making the car go to a game object's position
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/// </summary>
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public class AICar : MonoBehaviour
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{
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/// <summary>
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/// reference to the car model
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/// </summary>
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[SerializeField] private Transform carPosition;
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/// <summary>
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/// the radius of which the car can stop in
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/// </summary>
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[SerializeField] private float stoppingDistance;
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/// <summary>
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/// the speed of which the car needs to be at/under to when it is in the slowed state
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/// </summary>
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[SerializeField] private float slowingSpeed;
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/// <summary>
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/// the radius that the car switches to the slowed state
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/// </summary>
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[SerializeField] private float slowingDistance;
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/// <summary>
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/// the distance that the car is allowed to reverse
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/// </summary>
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[SerializeField] private float reverseDist;
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/// <summary>
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/// the acceleration input for the car script
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/// </summary>
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private float _accelerationInput;
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/// <summary>
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/// the angular input for the car script
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/// </summary>
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private float _angularDirection;
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/// <summary>
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/// reference to the car script
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/// </summary>
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private CarController _car;
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/// <summary>
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/// the current state the car is in for fsm
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/// </summary>
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private string _currentState;
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/// <summary>
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/// the distance that the car is from the target
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/// </summary>
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private float _distanceToTarget;
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/// <summary>
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/// the transform of the target
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/// </summary>
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private Transform _driveTarget;
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private NextState _nextState;
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/// <summary>
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/// the turn input for the car script
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/// </summary>
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private float _turnInput;
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/// <summary>
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/// the car is in front or behind the target, a positive will be returned if the car is in front
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/// </summary>
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private float _verticalDirection;
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/// <summary>
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/// initialise values
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/// </summary>
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private void Awake()
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{
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var hasChild = false;
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var i = 0;
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while (!hasChild)
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{
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var test = gameObject.transform.GetChild(i).gameObject;
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if (test.name == "Target")
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{
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_driveTarget = test.transform;
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hasChild = true;
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}
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else
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{
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i++;
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}
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}
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_car = GetComponent<CarController>();
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_nextState = NextState.Stopped;
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_currentState = "Stopped";
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StartCoroutine(_currentState);
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}
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/// <summary>
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/// to update the next state value when it changes
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/// </summary>
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private void Update()
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{
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if (_nextState == NextState.Stopped)
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_currentState = "Stopped";
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else if (_nextState == NextState.Slowed)
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_currentState = "Slowed";
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else
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_currentState = "Driving";
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}
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/// <summary>
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/// is called at the end of states to call the next state
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/// </summary>
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private void ChangeState()
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{
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StartCoroutine(_currentState);
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}
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/// <summary>
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/// a function that allows the car to steer
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/// </summary>
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private void Steering()
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{
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_angularDirection = Vector3.SignedAngle(carPosition.transform.forward,
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(_driveTarget.position - carPosition.transform.position).normalized, Vector3.up);
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if (_angularDirection < 0)
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_turnInput = -1;
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else
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_turnInput = 1;
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}
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/// <summary>
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/// to put the car in a stopped state
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/// </summary>
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private IEnumerator Stopped()
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{
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while (_nextState != NextState.Stopped)
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{
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_distanceToTarget = Vector3.Distance(carPosition.position, _driveTarget.position);
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_car.braking = true;
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_accelerationInput = 0f;
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_turnInput = 0f;
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if (_distanceToTarget > stoppingDistance) _nextState = NextState.Slowed;
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yield return new WaitForSeconds(1);
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}
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ChangeState();
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}
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/// <summary>
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/// to put the car in a slowed state
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/// </summary>
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private IEnumerator Slowed()
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{
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_car.braking = false;
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while (_nextState != NextState.Slowed)
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{
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_verticalDirection = Vector3.Dot(carPosition.transform.forward,
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(_driveTarget.position - carPosition.transform.position).normalized);
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_distanceToTarget = Vector3.Distance(carPosition.position, _driveTarget.position);
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if (_verticalDirection > 0)
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{
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if (carPosition.GetComponent<Rigidbody>().velocity.magnitude > slowingSpeed)
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_accelerationInput = -1;
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else
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_accelerationInput = 1;
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}
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else
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{
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if (_distanceToTarget < reverseDist)
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_accelerationInput = -1;
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else
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_accelerationInput = 1;
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}
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Steering();
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SlowedCheck();
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_car.SetInputs(_accelerationInput, _turnInput);
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yield return new WaitForEndOfFrame();
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}
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ChangeState();
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}
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/// <summary>
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/// to put the car in a driving state
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/// </summary>
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private IEnumerator Driving()
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{
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_car.braking = false;
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while (_nextState != NextState.Driving)
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{
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_verticalDirection = Vector3.Dot(carPosition.transform.forward,
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(_driveTarget.position - carPosition.transform.position).normalized);
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_distanceToTarget = Vector3.Distance(carPosition.position, _driveTarget.position);
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_accelerationInput = 1;
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Steering();
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if (_distanceToTarget < slowingDistance) _nextState = NextState.Slowed;
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_car.SetInputs(_accelerationInput, _turnInput);
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yield return new WaitForEndOfFrame();
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}
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ChangeState();
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}
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/// <summary>
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/// a function to check if the car should be a slowed state
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/// </summary>
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private void SlowedCheck()
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{
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if (_distanceToTarget < stoppingDistance) _nextState = NextState.Stopped;
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if (_distanceToTarget > slowingDistance) _nextState = NextState.Driving;
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}
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/// <summary>
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/// enum of states that the car can be in
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/// </summary>
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private enum NextState
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{
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Slowed,
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Stopped,
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Driving
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}
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}
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@ -1,95 +0,0 @@
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/*
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* author: ryan lin
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* date: 08/08/2024
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* description: to cull and spawn AI people
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*/
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using Random = System.Random;
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/// <summary>
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/// to cull and spawn AI people
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/// </summary>
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public class AIManager : MonoBehaviour
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{
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/// <summary>
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/// a reference to the player
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/// </summary>
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public Transform player;
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/// <summary>
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/// the distance of which the AI would be "killed"
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/// </summary>
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public float cullingDistance;
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/// <summary>
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/// the prefab to spawn
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/// </summary>
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public GameObject aiPrefab;
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/// <summary>
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/// the maximum number of AI that can be spawned at any time
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/// </summary>
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public int maxAI;
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/// <summary>
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/// An array that contains the game objects of the AI objects
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/// </summary>
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private GameObject[] _ais;
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/// <summary>
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/// a temporary float to find the distance between the player and the AI
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/// </summary>
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private float _distance;
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/// <summary>
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/// AI Spawn locations
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/// </summary>
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[SerializeField]private List<Transform> aiSpawn;
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/// <summary>
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/// to start the manager loop
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/// </summary>
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private void Start()
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{
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StartCoroutine(Manager());
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}
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/// <summary>
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/// to show the range in the inspector when the object is selected
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/// </summary>
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private void OnDrawGizmosSelected()
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{
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Gizmos.color = Color.yellow;
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Gizmos.DrawWireSphere(player.position, cullingDistance);
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}
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/// <summary>
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/// to allow the IEnumerator to destroy or instantiate AI
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/// </summary>
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private IEnumerator Manager()
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{
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while (true)
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{
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// FIXME: feels weird
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_ais = GameObject.FindGameObjectsWithTag("AIs");
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if (_ais.Length < maxAI)
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{
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var rand = new Random();
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var spawnNo=rand.Next(0, aiSpawn.Count);
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var instance = Instantiate(aiPrefab, aiSpawn[spawnNo]);
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}
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foreach (var i in _ais)
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{
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_distance = Vector3.Distance(i.transform.position, player.position);
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if (_distance > cullingDistance) Destroy(i.gameObject);
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}
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yield return new WaitForSeconds(1);
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}
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}
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}
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@ -47,11 +47,6 @@ public class AICar : MonoBehaviour
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/// </summary>
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private float _angularDirection;
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/// <summary>
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/// reference to the car script
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/// </summary>
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private CarController _car;
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/// <summary>
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/// the current state the car is in for fsm
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/// </summary>
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@ -74,6 +69,11 @@ public class AICar : MonoBehaviour
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/// </summary>
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private float _turnInput;
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/// <summary>
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/// reference to the car script
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/// </summary>
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private VehicleController _vehicle;
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/// <summary>
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/// the car is in front or behind the target, a positive will be returned if the car is in front
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/// </summary>
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|
@ -100,7 +100,7 @@ private void Awake()
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}
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}
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_car = GetComponent<CarController>();
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_vehicle = GetComponent<VehicleController>();
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_nextState = NextState.Stopped;
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_currentState = "Stopped";
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StartCoroutine(_currentState);
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|
@ -148,7 +148,7 @@ private IEnumerator Stopped()
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while (_nextState != NextState.Stopped)
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{
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_distanceToTarget = Vector3.Distance(carPosition.position, _driveTarget.position);
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_car.braking = true;
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_vehicle.braking = true;
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_accelerationInput = 0f;
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_turnInput = 0f;
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if (_distanceToTarget > stoppingDistance) _nextState = NextState.Slowed;
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|
@ -163,7 +163,7 @@ private IEnumerator Stopped()
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/// </summary>
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private IEnumerator Slowed()
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{
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_car.braking = false;
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_vehicle.braking = false;
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while (_nextState != NextState.Slowed)
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{
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_verticalDirection = Vector3.Dot(carPosition.transform.forward,
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|
@ -186,7 +186,7 @@ private IEnumerator Slowed()
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Steering();
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SlowedCheck();
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_car.SetInputs(_accelerationInput, _turnInput);
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_vehicle.SetInputs(_accelerationInput, _turnInput);
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yield return new WaitForEndOfFrame();
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}
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|
@ -198,7 +198,7 @@ private IEnumerator Slowed()
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/// </summary>
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private IEnumerator Driving()
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{
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_car.braking = false;
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_vehicle.braking = false;
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while (_nextState != NextState.Driving)
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{
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_verticalDirection = Vector3.Dot(carPosition.transform.forward,
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|
@ -209,7 +209,7 @@ private IEnumerator Driving()
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Steering();
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if (_distanceToTarget < slowingDistance) _nextState = NextState.Slowed;
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_car.SetInputs(_accelerationInput, _turnInput);
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_vehicle.SetInputs(_accelerationInput, _turnInput);
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yield return new WaitForEndOfFrame();
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}
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|
|
|
@ -35,6 +35,11 @@ public class AIManager : MonoBehaviour
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/// </summary>
|
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public int maxAI;
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/// <summary>
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/// AI Spawn locations
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/// </summary>
|
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[SerializeField] private List<Transform> aiSpawn;
|
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|
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/// <summary>
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/// An array that contains the game objects of the AI objects
|
||||
/// </summary>
|
||||
|
@ -44,10 +49,6 @@ public class AIManager : MonoBehaviour
|
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/// a temporary float to find the distance between the player and the AI
|
||||
/// </summary>
|
||||
private float _distance;
|
||||
/// <summary>
|
||||
/// AI Spawn locations
|
||||
/// </summary>
|
||||
[SerializeField]private List<Transform> aiSpawn;
|
||||
|
||||
/// <summary>
|
||||
/// to start the manager loop
|
||||
|
@ -78,7 +79,7 @@ private IEnumerator Manager()
|
|||
if (_ais.Length < maxAI)
|
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{
|
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var rand = new Random();
|
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var spawnNo=rand.Next(0, aiSpawn.Count);
|
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var spawnNo = rand.Next(0, aiSpawn.Count);
|
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|
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var instance = Instantiate(aiPrefab, aiSpawn[spawnNo]);
|
||||
}
|
||||
|
|
28
RunningLateGame/Assets/Scripts/CommonVehicle.cs
Normal file
28
RunningLateGame/Assets/Scripts/CommonVehicle.cs
Normal file
|
@ -0,0 +1,28 @@
|
|||
/*
|
||||
* author: ryan lin, mark joshwel
|
||||
* date: 15/08/2024
|
||||
* description: common vehicular behaviour
|
||||
*/
|
||||
|
||||
using UnityEngine;
|
||||
|
||||
/// <summary>
|
||||
/// logic to move a vehicle to a target position
|
||||
/// </summary>
|
||||
public class CommonVehicle : MonoBehaviour
|
||||
{
|
||||
/// <summary>
|
||||
/// game object that the vehicle is moving towards
|
||||
/// </summary>
|
||||
[SerializeField] private GameObject targetWaypoint;
|
||||
|
||||
/// <summary>
|
||||
/// enum of states that the vehicle can be in
|
||||
/// </summary>
|
||||
private enum State
|
||||
{
|
||||
Stopped,
|
||||
Slowed,
|
||||
Driving
|
||||
}
|
||||
}
|
|
@ -1,5 +1,5 @@
|
|||
fileFormatVersion: 2
|
||||
guid: bc82a40176164f02897928bd573bc2ca
|
||||
guid: e1a5b97ac163ed54bb06c559615dfdd5
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
|
@ -1,5 +1,5 @@
|
|||
/*
|
||||
* author: ryan lin
|
||||
* author: ryan lin, mark joshwel
|
||||
* date: 06/08/2024
|
||||
* description: a controller for the car
|
||||
*/
|
||||
|
@ -12,7 +12,7 @@
|
|||
/// <summary>
|
||||
/// a controller for the car
|
||||
/// </summary>
|
||||
public class CarController : MonoBehaviour
|
||||
public class VehicleController : MonoBehaviour
|
||||
{
|
||||
/// <summary>
|
||||
/// enum for if the wheel is the front or back wheel
|
||||
|
@ -51,12 +51,12 @@ public enum Axel
|
|||
/// <summary>
|
||||
/// inputs for acceleration
|
||||
/// </summary>
|
||||
[SerializeField] private float _currentAcceleration;
|
||||
[SerializeField] private float currentAcceleration;
|
||||
|
||||
/// <summary>
|
||||
/// inputs for turning
|
||||
/// </summary>
|
||||
[SerializeField] private float _currentTurn;
|
||||
[SerializeField] private float currentTurn;
|
||||
|
||||
/// <summary>
|
||||
/// to move the car
|
||||
|
@ -73,23 +73,23 @@ private void FixedUpdate()
|
|||
/// </summary>
|
||||
public void SetInputs(float forwardAmount, float turnAmount)
|
||||
{
|
||||
_currentAcceleration = forwardAmount * motorTorque;
|
||||
_currentTurn = turnAmount * turnAngle;
|
||||
currentAcceleration = forwardAmount * motorTorque;
|
||||
currentTurn = turnAmount * turnAngle;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// to move the car forwards or backwards
|
||||
/// </summary>
|
||||
public void Move()
|
||||
private void Move()
|
||||
{
|
||||
foreach (var wheel in wheels)
|
||||
wheel.wheelCollider.motorTorque = _currentAcceleration;
|
||||
wheel.wheelCollider.motorTorque = currentAcceleration;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// to stop the car
|
||||
/// </summary>
|
||||
public void Brake()
|
||||
private void Brake()
|
||||
{
|
||||
if (braking)
|
||||
foreach (var wheel in wheels)
|
||||
|
@ -102,14 +102,10 @@ public void Brake()
|
|||
/// <summary>
|
||||
/// to turn the car
|
||||
/// </summary>
|
||||
public void Steering()
|
||||
private void Steering()
|
||||
{
|
||||
foreach (var wheel in wheels)
|
||||
if (wheel.axel == Axel.Front)
|
||||
{
|
||||
wheel.wheelCollider.steerAngle = _currentTurn;
|
||||
|
||||
}
|
||||
foreach (var wheel in wheels.Where(wheel => wheel.axel == Axel.Front))
|
||||
wheel.wheelCollider.steerAngle = currentTurn;
|
||||
}
|
||||
|
||||
/// <summary>
|
15
RunningLateGame/Assets/Scripts/VehicleWaypoint.cs
Normal file
15
RunningLateGame/Assets/Scripts/VehicleWaypoint.cs
Normal file
|
@ -0,0 +1,15 @@
|
|||
/*
|
||||
* author: mark joshwel
|
||||
* date: 15/08/2024
|
||||
* description: vehicular target
|
||||
*/
|
||||
|
||||
using UnityEngine;
|
||||
|
||||
public class VehicleWaypoint : MonoBehaviour
|
||||
{
|
||||
/// <summary>
|
||||
/// next vehicle target waypoint for the vehicle to move to
|
||||
/// </summary>
|
||||
[SerializeField] private GameObject nextTarget;
|
||||
}
|
|
@ -1,5 +1,5 @@
|
|||
fileFormatVersion: 2
|
||||
guid: 6ed3090768dbec24b922f887029b3132
|
||||
guid: 0ad7b657ea6a4b94781a78d6f2b6f475
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
Reference in a new issue