wallSet.cs

// [Unity3D]2点を通る垂直なオブジェクトを生成する
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class wallSet : MonoBehaviour {

	public Vector3[] point = new Vector3[] {};

	void Start () {
		GameObject quad = GameObject.CreatePrimitive(PrimitiveType.Quad);
		float xPos = point[0].x;
		float zPos = point[0].z;
		quad.transform.position = new Vector3(xPos,0f,zPos); // 高さ以外を移動
		Vector3 heading = point [0] - point [1];	// ベクトルを求める
		Quaternion rotation = Quaternion.LookRotation(heading);
		quad.transform.rotation = rotation;	// とりあえずその方向を向かせる
		float yAngle = quad.transform.eulerAngles.y + 90f;
		quad.transform.eulerAngles = new Vector3 (0f, yAngle, 0f); // y軸以外の回転を初期化
	}
}