Question

我正在尝试让我的播放器跳转，但我在使用rb.AddForce＆＃34时在fixedUpdate中出错：无法分配给AddForce，因为它是一个方法组＆＃34;但是，在我添加跳跃速度和跳跃功能之前它是如何工作的？

代码：

using UnityEngine;
using UnityEngine.UI;
using System.Collections;

public class PlayerController : MonoBehaviour {

public float speed; //Creates Speed Variable
public Text countText; //Creates Count Text Variable
public Text winText; //Creates Win Text Variable
public float JumpSpeed;

private Rigidbody rb; //Creates Rigidbody Variable
private int count; //Creates Count Variable

void Start ()
{
    rb = GetComponent<Rigidbody>(); //sets variable for Rigidbody
    count = 0;
    SetCountText ();
    winText.text = "";
}

void FixedUpdate () //Controls
{
    float moveHorizontal = Input.GetAxis ("Horizontal");
    float moveVertical = Input.GetAxis ("Vertical");
    float moveForward = Input.GetAxis ("Forward");

    Vector3 movement = new Vector3 (moveHorizontal, 0.0f, moveVertical);

    rb.AddForce = (movement * speed);

    if (Input.GetKeyUp (KeyCode.Space)) 
    {
        JumpSpeed = 5.0f;
        Vector3 jump = new Vector3 (0.0f, moveForward, 0.0f);
    }

}

void OnTriggerEnter(Collider other) //Collect Items
{
    if (other.gameObject.CompareTag ("Pickup")) {
        other.gameObject.SetActive (false);
        count = count + 1;
        SetCountText ();
    }
}

void SetCountText() //Updates Count Text
{
    countText.text = "Count: " + count.ToString ();
    if (count >= 8) 
    {
        winText.text = "You Win!"; //Displays Win Text
    }
}

}

Answer 1

AddForce是一种方法，而不是属性。必须调用方法，不要为它们赋值。尝试

rb.AddForce(movement * speed);

除此之外，也许您应该深入了解编程基础知识。您可以区分方法和属性，因为方法名称通常以动词（“AddForce”，“CreateObject”等）开头，而属性名称则描述属性（“Color”，“VerticalSpeed”，“Name”,. ..）

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