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Vector3.Angle

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マニュアルに切り替える
public static function Angle(from: Vector3, to: Vector3): float;
public static float Angle(Vector3 from, Vector3 to);

Parameters

from The angle extends round from this vector.
to The angle extends round to this vector.

Description

Returns the angle in degrees between from and to.

The angle returned is always the non reflex angle between the two vectors - ie the smaller of the two possible angles between them and never greater than 180 degrees.

no example available in JavaScript
using UnityEngine;

public class AngleExample : MonoBehaviour { public Transform target;

// prints "close" if the z-axis of this transform looks // almost towards the target

void Update () { Vector3 targetDir = target.position - transform.position; float angle = Vector3.Angle( targetDir, transform.forward );

if( angle < 5.0f ) print( "close" ); } }