Mọi người nghiên cứu WheelCollider, motorTorque, Rotate đựa theo code chia sẻ này nhé


using UnityEngine;
using System.Collections;

public class new_motion : MonoBehaviour
{

public Transform vathe;
public AudioClip Clip1;

public WheelCollider rearWheel1;
public WheelCollider rearWheel2;
public WheelCollider frontWheel1;
public WheelCollider frontWheel2;
public BoxCollider collCar;
public Transform wheelFL;
public Transform wheelFR;
public Transform wheelRL;
public Transform wheelRR;
private bool canSteer ;
private bool canDrive ;
private bool running ;
int steer_max = 20;
int motor_max = 200;
int brake_max = 100;
private float steer = 0;
private float forward = 0;
public float back = 0;

private float motor = 0;
private float brake = 0;
public bool reverse = false;
private float speed = 0;
Vector3 dragMultiplier = new Vector3 (1, 5, 1);
private float initialDragMultiplierX = 10.0f;




void Start ()
{
initialDragMultiplierX = dragMultiplier.x;

}

// Update is called once per frame
void Update ()
{
Vector3 relativeVelocity = transform.InverseTransformDirection (rigidbody.velocity);

FixedUpdate ();



}

public Transform CameraBack;

void FixedUpdate ()
{
// speed of car
speed = rigidbody.velocity.sqrMagnitude;

//print (relativeVelocity + "----" + speed);



steer = Mathf.Clamp (Input.GetAxis ("Vertical"), -1, 1);

forward = Mathf.Clamp (Input.GetAxis ("Vertical"), 0, 1);

back = -1 * Mathf.Clamp (Input.GetAxis ("Vertical"), -1, 0);

//print (Input.GetAxis("Vertical") + "-back:" + back);

if (speed == 0) {
if (back > 0) {
reverse = true;
}
if (forward > 0) {
reverse = false;
}
}


if (reverse) {
motor = -1 * back;
brake = forward;
} else {
motor = forward;
brake = back;
}


//print ("brake:" + brake);


if (Input.GetKey(KeyCode.Space)) {

running = true;
} else {

running = false;

}

if (running) {
rearWheel1.motorTorque = motor_max * motor;
rearWheel2.motorTorque = motor_max * motor;
} else {
rearWheel1.motorTorque = 100 * motor;
rearWheel2.motorTorque = 100 * motor;
}
rearWheel1.brakeTorque = brake_max * brake;
rearWheel2.brakeTorque = brake_max * brake;


frontWheel1.steerAngle = Input.GetAxis ("Horizontal") * 40;
frontWheel2.steerAngle = Input.GetAxis ("Horizontal") * 40;

if(Input.GetKey(KeyCode.LeftArrow))
{
print("banh trai");
frontWheel1.transform.localRotation = Quaternion.Euler (0.009044712f, -0.07808232f, -0.03903911f);

}



wheelFR.Rotate (frontWheel1.rpm * 6 * Time.deltaTime, 0, 0);
wheelFL.Rotate (frontWheel2.rpm * 6 * Time.deltaTime, 0, 0);
wheelRR.Rotate (rearWheel1.rpm * 6 * Time.deltaTime, 0, 0);
wheelRL.Rotate (rearWheel2.rpm * 6 * Time.deltaTime, 0, 0);





}



bool bl = false;

void OnTriggerEnter (Collider other)
{
if (other.gameObject.name == "Cube") {
bl = true;


}
}




}