Vector3.Distance

Description

返回 a 与 b 之间的距离。

Vector3.Distance(a,b) 与 (a-b).magnitude 相同。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Transform other;
    void Example() {
        if (other) {
            float dist = Vector3.Distance(other.position, transform.position);
            print("Distance to other: " + dist);
        }
    }
}