91 lines
2.7 KiB
C#
91 lines
2.7 KiB
C#
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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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public class CozmoMovement : MonoBehaviour
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{
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public float m_Speed = 12f; // How fast the tank moves forward and back.
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public float m_TurnSpeed = 180f; // How fast the tank turns in degrees per second.
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private string m_MovementAxisName; // The name of the input axis for moving forward and back.
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private string m_TurnAxisName; // The name of the input axis for turning.
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private Rigidbody m_Rigidbody; // Reference used to move the tank.
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private float m_MovementInputValue; // The current value of the movement input.
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private float m_TurnInputValue; // The current value of the turn input.
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private void Awake()
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{
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m_Rigidbody = GetComponent<Rigidbody>();
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}
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private void OnEnable()
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{
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// When the tank is turned on, make sure it's not kinematic.
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m_Rigidbody.isKinematic = false;
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// Also reset the input values.
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m_MovementInputValue = 0f;
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m_TurnInputValue = 0f;
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}
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private void OnDisable()
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{
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// When the tank is turned off, set it to kinematic so it stops moving.
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m_Rigidbody.isKinematic = true;
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}
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private void Start()
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{
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// The axes names are based on player number.
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m_MovementAxisName = "Vertical";
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m_TurnAxisName = "Horizontal";
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}
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private void Update()
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{
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// Store the value of both input axes.
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m_MovementInputValue = Input.GetAxis(m_MovementAxisName);
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m_TurnInputValue = Input.GetAxis(m_TurnAxisName);
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}
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private void FixedUpdate()
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{
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// Adjust the rigidbodies position and orientation in FixedUpdate.
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Move();
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Turn();
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}
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private void Move()
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{
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// Create a vector in the direction the tank is facing with a magnitude based on the input, speed and the time between frames.
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Vector3 movement = transform.forward * m_MovementInputValue * m_Speed * Time.deltaTime;
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// Apply this movement to the rigidbody's position.
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m_Rigidbody.MovePosition(m_Rigidbody.position + movement);
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}
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private void Turn()
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{
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// Determine the number of degrees to be turned based on the input, speed and time between frames.
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float turn = m_TurnInputValue * m_TurnSpeed * Time.deltaTime;
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// Make this into a rotation in the y axis.
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Quaternion turnRotation = Quaternion.Euler(0f, turn, 0f);
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// Apply this rotation to the rigidbody's rotation.
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m_Rigidbody.MoveRotation(m_Rigidbody.rotation * turnRotation);
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}
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}
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