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Vector3.Angle

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public static function Angle(from: Vector3, to: Vector3): float;
public static float Angle(Vector3 from, Vector3 to);
public static def Angle(from as Vector3, to as Vector3) as float

Parameters

from このベクトルから角度を計算します
to このベクトルまでの角度を計算します

Description

2点間( fromto )の角度を返します

角度は常に2つのベクトル間の 鋭角 を返します。(すなわち、必ず角度は180度未満)

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

	var target : Transform;
	function Update () {
		var targetDir = target.position - transform.position;
		var forward = transform.forward;
		var angle = Vector3.Angle(targetDir, forward);
		if (angle < 5.0)
			print("close");
	}
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour {
    public Transform target;
    void Update() {
        Vector3 targetDir = target.position - transform.position;
        Vector3 forward = transform.forward;
        float angle = Vector3.Angle(targetDir, forward);
        if (angle < 5.0F)
            print("close");
        
    }
}
import UnityEngine
import System.Collections

public class ExampleClass(MonoBehaviour):

	public target as Transform

	def Update() as void:
		targetDir as Vector3 = (target.position - transform.position)
		forward as Vector3 = transform.forward
		angle as float = Vector3.Angle(targetDir, forward)
		if angle < 5.0F:
			print('close')