Camera.CalculateFrustumCorners

매뉴얼로 전환
public void CalculateFrustumCorners (Rect viewport, float z, Camera.MonoOrStereoscopicEye eye, Vector3[] outCorners);

파라미터

viewportNormalized viewport coordinates to use for the frustum calculation.
zZ-depth from the camera origin at which the corners will be calculated.
eyeCamera eye projection matrix to use.
outCornersOutput array for the frustum corner vectors. Cannot be null and length must be >= 4.

설명

Given viewport coordinates, calculates the view space vectors pointing to the four frustum corners at the specified camera depth.

This can be used to efficiently calculate the world space position of a pixel in an image effect shader. See standard assets implementation of global fog.

using UnityEngine;

public class ExampleClass : MonoBehaviour { void Update() { // this example shows the different camera frustums when using asymmetric projection matrices (like those used by OpenVR).

var camera = GetComponent<Camera>(); Vector3[] frustumCorners = new Vector3[4]; camera.CalculateFrustumCorners(new Rect(0, 0, 1, 1), camera.farClipPlane, Camera.MonoOrStereoscopicEye.Mono, frustumCorners);

for (int i = 0; i < 4; i++) { var worldSpaceCorner = camera.transform.TransformVector(frustumCorners[i]); Debug.DrawRay(camera.transform.position, worldSpaceCorner, Color.blue); }

camera.CalculateFrustumCorners(new Rect(0, 0, 1, 1), camera.farClipPlane, Camera.MonoOrStereoscopicEye.Left, frustumCorners);

for (int i = 0; i < 4; i++) { var worldSpaceCorner = camera.transform.TransformVector(frustumCorners[i]); Debug.DrawRay(camera.transform.position, worldSpaceCorner, Color.green); }

camera.CalculateFrustumCorners(new Rect(0, 0, 1, 1), camera.farClipPlane, Camera.MonoOrStereoscopicEye.Right, frustumCorners);

for (int i = 0; i < 4; i++) { var worldSpaceCorner = camera.transform.TransformVector(frustumCorners[i]); Debug.DrawRay(camera.transform.position, worldSpaceCorner, Color.red); } } }

Which can be seen in the following image: .

Copyright © 2023 Unity Technologies
优美缔软件(上海)有限公司 版权所有
"Unity"、Unity 徽标及其他 Unity 商标是 Unity Technologies 或其附属机构在美国及其他地区的商标或注册商标。其他名称或品牌是其各自所有者的商标。
公安部备案号:
31010902002961