Version: 2017.1

Camera.WorldToScreenPoint

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public Vector3 WorldToScreenPoint (Vector3 position);

描述

position 从世界空间变换为屏幕空间。

屏幕空间以像素定义。屏幕的左下角为 (0,0),右上角 为 (pixelWidth,pixelHeight)。z 位置为与摄像机的距离,采用世界单位。

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public Transform target; Camera cam;

void Start() { cam = GetComponent<Camera>(); }

void Update() { Vector3 screenPos = cam.WorldToScreenPoint(target.position); Debug.Log("target is " + screenPos.x + " pixels from the left"); } }