Version: 2019.3
  • C#


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public static Vector3 ClampMagnitude(Vector3 vector, float maxLength);


Returns a copy of vector with its magnitude clamped to maxLength.

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { // Move the object around with the arrow keys but confine it // to a given radius around a center point.

public Vector3 centerPt; public float radius;

void Update() { // Get the new position for the object. Vector3 movement = new Vector3(Input.GetAxis("Horizontal"), 0, Input.GetAxis("Vertical")); Vector3 newPos = transform.position + movement;

// Calculate the distance of the new position from the center point. Keep the direction // the same but clamp the length to the specified radius. Vector3 offset = newPos - centerPt; transform.position = centerPt + Vector3.ClampMagnitude(offset, radius); } }
