Input.GetAxis

Description

返回由 axisName 标识的虚拟轴的值。

对于键盘和游戏杆输入，该值将处于 -1...1 的范围内。 如果轴设置为增量鼠标移动，则将鼠标增量乘以轴灵敏度， 范围不为 -1...1。

该值与帧率无关；使用该值时，您无需担心帧率变化问题。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public float speed = 10.0F;
    public float rotationSpeed = 100.0F;
    void Update() {
        float translation = Input.GetAxis("Vertical") * speed;
        float rotation = Input.GetAxis("Horizontal") * rotationSpeed;
        translation *= Time.deltaTime;
        rotation *= Time.deltaTime;
        transform.Translate(0, 0, translation);
        transform.Rotate(0, rotation, 0);
    }
}

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public float horizontalSpeed = 2.0F;
    public float verticalSpeed = 2.0F;
    void Update() {
        float h = horizontalSpeed * Input.GetAxis("Mouse X");
        float v = verticalSpeed * Input.GetAxis("Mouse Y");
        transform.Rotate(v, h, 0);
    }
}