Question

JavaScript => static function MoveTowards(current: Vector3, target: Vector3, maxDistanceDelta: float): Vector3;
C# => static function MoveTowards(current: Vector3, target: Vector3, maxDistanceDelta: float): Vector3;

Description 描述

Moves a point current in a straight line towards a target point.

当前的地点移向目标。

The value returned by this function is a point maxDistanceDelta units closer to a target/ point along a line between current and target. If the target is closer than maxDistanceDelta/ then the returned value will be equal to target (ie, the movement will not overshoot the target). Negative values of maxDistanceDelta can be used to push the point away from the target.

这个函数的返回值是一个点maxdistancedelta单位更接近于目标/点沿着当前的和目标之间的线。如果目标是比maxdistancedelta /然后返回值将等于目标接近（即移动不会超过目标）。maxdistancedelta负值可以用来从目标推开该向量。

JavaScript:

	// The target marker.
	var target: Transform;
 
	// Speed in units per sec.
	var speed: float;
 
 
	function Update () {
		// The step size is equal to speed times frame time.
		var step = speed * Time.deltaTime;
 
		// Move our position a step closer to the target.
		transform.position = Vector3.MoveTowards(transform.position, target.position, step);
	}

C#:

using UnityEngine;
using System.Collections;
 
public class ExampleClass : MonoBehaviour {
    public Transform target;
    public float speed;
    void Update() {
        float step = speed * Time.deltaTime;
        transform.position = Vector3.MoveTowards(transform.position, target.position, step);
    }
}

Vector3