Ray2DConstructor

public Ray2D (Vector2 origin, Vector2 direction);

参数

Vector2	原点
Vector2	方向

描述

沿着 direction 创建从 origin 开始的 2D 射线。

using UnityEngine;

public class ExampleClass : MonoBehaviour
{
    void Start()
    {
        // Create a ray from the transform position along the transform's z-axis
        Ray2D ray = new Ray2D(transform.position, transform.forward);
    }
}