eye | 可选参数,可用于指定要使用的眼睛变换。默认值为 Mono。 |
将 position
从世界空间变换为视口空间。
视口空间是标准化的、相对于摄像机的空间。摄像机左下角为 (0,0),右上角为 (1,1)。z 位置为与摄像机的距离,采用世界单位。
// Finds out whether target is on the left or right side of the screen using UnityEngine; using System.Collections;
public class ExampleClass : MonoBehaviour { public Transform target; Camera cam;
void Start() { cam = GetComponent<Camera>(); }
void Update() { Vector3 viewPos = cam.WorldToViewportPoint(target.position); if (viewPos.x > 0.5F) print("target is on the right side!"); else print("target is on the left side!"); } }
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