首页 > 解决方案 > 我将如何在 c# 中实现 java 代码,反之亦然?

问题描述

我正在尝试统一创建游戏,但无法在其中使用 Java,因此任何预制脚本都在 C# 中。我想在游戏机制中添加一些东西,这需要我更改脚本中的变量和值,但我只知道如何在 java 中这样做,那么我将如何做到这一点,以便他们可以有效地交流?

来自 c# 的示例:

    protected override void ComputeVelocity()
{
    Vector2 move = Vector2.zero;

    move.x = Input.GetAxis ("Horizontal");
    if (Input.GetButtonDown ("Jump") && grounded) {
        velocity.y = jumpTakeOffSpeed;
    } else if (Input.GetButtonUp ("Jump"))
    {
        if (velocity.y > 0)
            velocity.y = velocity.y * .5f;
    }

    targetVelocity = move * maxSpeed;

}
}

和我的java代码:

public void keyPressed(KeyEvent e) 
{
    if(e.getKeyCode() == KeyEvent.VK_SHIFT)
    { 
        endTime = (System.currentTimeMillis() / 1000);
        timePassed = endTime - startTime; 
        if(timePassed >= 2)
        {   

            //try to set a time limit or something 

            velocity = overMaxVelocity;
            //set velocity to above usual max for dodgeTime 
            startTime = dodgeTime + (System.currentTimeMillis() / 1000);
        }


    }

}

我正在努力做到这一点,所以当按下 shift 时,速度会在短时间内更改为比平时更大的值,但我什至不知道从哪里开始

标签: javac#unity3d

解决方案


Unity 仅支持用 C# 编写的脚本。它曾经还支持他们称为 UnityScript 的 JavaScript 版本,但他们现在只支持 C#。幸运的是,C# 与 Java 非常相似,因此将脚本转换为 C# 应该不会有太多麻烦。主要挑战是学习 Unity 库。

我在下面编写了一些代码,使用 Unity 库函数更新对象的速度。Unity 有很多内置的方法可以帮助您作为开发人员,因此我推荐 Unity 网站上的教程以了解更多关于它的入门信息。

public float speed = 2;
public float speedUpFactor = 2;

// Get the Rigidbody component attached to this gameobject
// The rigidbody component is necessary for any object to use physics)
// This gameobject and any colliding gameobjects will also need collider components
Rigidbody rb;
// Start() gets called the first frame that this object is active (before Update)
public void Start(){
    // save a reference to the rigidbody on this object
    rb = GetComponent<Rigidbody>();
}
}// Update() gets called every frame, so you can check for input here.
public void Update() {

    // Input.GetAxis("...") uses input defined in the "Edit/Project Settings/Input" window in the Unity editor.
    // This will allow you to use the xbox 360 controllers by default, "wasd", and the arrow keys.
    // Input.GetAxis("...") returns a float between -1 and 1
    Vector3 moveForce = new Vector3(Input.GetAxis ("Horizontal"), 0, Input.GetAxis("Vertical"));
    moveForce *= speed;

    // Input.GetKey() returns true while the specified key is held down
    // Input.GetKeyDown() returns true during the frame the key is pressed down
    // Input.GetKeyUp() returns true during the frame the key is released
    if(Input.GetKey(KeyCode.Shift)) 
    {
        moveForce *= speedUpFactor;
    }
    // apply the moveForce to the object
    rb.AddForce(moveForce);
}

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