问题描述
我创建了一个自上而下的2D游戏。游戏的主要目的是使敌人不断产卵，并且您必须向他们射击而不要让他们碰触您。该游戏旨在在智能手机设备上玩。
游戏应在智能手机上水平播放。我希望将屏幕分成一半，以便屏幕的左侧专用于操纵杆和瞄准（操纵杆用于瞄准），屏幕的右侧专用于滑动。现在，在我的游戏中，向上滑动可发射一种子弹，而向下滑动可发射另一种子弹。
当前，每当我按一下屏幕左侧的某个位置时，操纵杆就会出现并起作用，并且可以瞄准；每当我按一下屏幕右侧时，没有手指的时候，操纵杆没有出现，我也没有瞄准，这是完美的。我也可以滑动，如果我只用手指向下滑动（一根手指），则可以使用。目前，我什至可以在屏幕左侧滑动，但如果不是主要问题，我会尽快修复。
问题是，每当我将手指放在屏幕左侧并瞄准时，然后又放下另一根手指滑动时，角色就会开始从第二根手指（在右侧（据称只能滑动），并开始在第一根手指和第二根手指之间滑动。游戏杆未出现在屏幕右侧，这很好。
此外，无论何时我瞄准，我都不会滑动，因为什么也不会发生（除了目标开始出现故障）。
这是我的代码：
瞄准类：
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class joystickShoot : MonoBehaviour {
public Shooting other;
public Rigidbody2D rb;
private bool touchStart = false;
private Vector2 pointA;
private Vector2 pointB;
public Transform player;
public float speed = 15.0f;
public GameObject bulletPrefab;
public Transform circle;
public Transform outerCircle;
private Vector2 startingPoint;
private int leftTouch = 99;
// Update is called once per frame
void Update () {
int i = 0;
while(i < Input.touchCount){
Touch t = Input.GetTouch(i);
Vector2 touchPos = getTouchPosition(t.position); // * -1 for perspective cameras
if(t.phase == TouchPhase.Began){
if(t.position.x > Screen.width / 2){
}else{
touchStart = true;
leftTouch = t.fingerId;
pointA = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x,Input.mousePosition.y,Camera.main.transform.position.z));
circle.transform.position = pointA * 1;
outerCircle.transform.position = pointA * 1;
circle.GetComponent<SpriteRenderer>().enabled = true;
outerCircle.GetComponent<SpriteRenderer>().enabled = true;
startingPoint = touchPos;
}
}else if(t.phase == TouchPhase.Moved && leftTouch == t.fingerId){
touchStart = true;
Vector2 offset = touchPos - startingPoint;
Vector2 direction = Vector2.ClampMagnitude(offset,1.0f);
pointB = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x,Camera.main.transform.position.z));
aimCharacter(direction);
circle.transform.position = new Vector2(pointA.x + direction.x,pointA.y + direction.y) * 1;
circle.transform.position = new Vector2(outerCircle.transform.position.x + direction.x,outerCircle.transform.position.y + direction.y);
}else if(t.phase == TouchPhase.Ended && leftTouch == t.fingerId){
circle.GetComponent<SpriteRenderer>().enabled = false;
outerCircle.GetComponent<SpriteRenderer>().enabled = false;
leftTouch = 99;
circle.transform.position = new Vector2(outerCircle.transform.position.x,outerCircle.transform.position.y);
}else{
touchStart = false;
}
++i;
}
}
Vector2 getTouchPosition(Vector2 touchPosition){
return GetComponent<Camera>().ScreenToWorldPoint(new Vector3(touchPosition.x,touchPosition.y,transform.position.z));
}
private void FixedUpdate() {
if(touchStart){
Vector2 offset = pointB - pointA;
Vector2 direction = Vector2.ClampMagnitude(offset,1.0f);
aimCharacter(direction * 1);
}else{
}
}
void aimCharacter(Vector2 direction){
Vector2 lookDir = pointB - pointA;
float angle = Mathf.Atan2(lookDir.y,lookDir.x) * Mathf.Rad2Deg;
rb.rotation = angle;
}
void shootBullet(){
}
}
刷卡课程：
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class Swipe : MonoBehaviour
{
private bool tap,swipeUp,swipeDown,swipeLeft,swipeRight;
private bool isDraging = false;
private Vector2 startTouch,swipeDelta;
// Update is called once per frame
private void Update()
{
tap = swipeUp = swipeDown = swipeLeft = swipeRight = false;
#region
if (Input.touches.Length > 0)
{
if (Input.touches[0].phase == TouchPhase.Began){
isDraging = true;
tap = true;
startTouch = Input.touches[0].position;
}
else if (Input.touches[0].phase == TouchPhase.Ended || Input.touches[0].phase == TouchPhase.Canceled)
{
isDraging = false;
Reset();
}
}
#endregion
#region Standalone Inputs
if (Input.GetMouseButtonDown(0)){
tap = true;
isDraging = true;
startTouch = Input.mousePosition;
}else if(Input.GetMouseButtonUp(0))
{
isDraging = false;
Reset();
}
#endregion
// Calculate the distance
swipeDelta = Vector2.zero;
if(isDraging)
{
if(Input.touches.Length > 0)
swipeDelta = Input.touches[0].position - startTouch;
else if (Input.GetMouseButton(0))
swipeDelta = (Vector2)Input.mousePosition - startTouch;
}
// Did we cross the deadzone?
if (swipeDelta.magnitude > 125)
{
// Which direction?
float x = swipeDelta.x;
float y = swipeDelta.y;
if(Mathf.Abs(x) > Mathf.Abs(y))
{
// left or right
if (x < 0)
swipeLeft = true;
else
swipeRight = true;
}
else{
// up or down
if (y < 0)
swipeDown = true;
else
swipeUp = true;
}
Reset();
}
}
private void Reset()
{
startTouch = swipeDelta = Vector2.zero;
isDraging = false;
}
public Vector2 SwipeDelta { get { return swipeDelta;}}
public bool SwipeUp { get { return swipeUp;}}
public bool SwipeDown { get { return swipeDown;}}
public bool SwipeLeft { get { return swipeLeft;}}
public bool SwipeRight{ get { return swipeRight;}}
}
GestureDetection类别：
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
public class GestrueDetector : MonoBehaviour
{
public Shooting other;
public Swipe swipeControls;
// Start is called before the first frame update
void Start()
{
}
// Update is called once per frame
private void Update()
{
if (GameObject.Find("robot") != null)
{
if (swipeControls.SwipeLeft)
Debug.Log("LeftSwipe");
if (swipeControls.SwipeRight)
Debug.Log("RightSwipe");
if (swipeControls.SwipeUp)
other.ShootGreen();
if (swipeControls.SwipeDown)
other.Shoot();
}
}
}
关于如何解决这些错误的任何想法？谢谢！
解决方法
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