Version: 2017.3

Ray2DConstructor

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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); } }