淘宝这种网站怎么做的,北京管庄网站建设公司,有没有专门找装修公司的网站,哪家网络公司比较好在网上看了momo的文章#xff0c;在这把代码加入些注释#xff0c;也便于自己理解记忆。原理很简单#xff0c;就是根据摄像机的参数计算距离摄像机某一距离的摄像机窗口四个position。
using UnityEngine;
using System.Collections;public class CameraView : MonoBehavio…在网上看了momo的文章在这把代码加入些注释也便于自己理解记忆。原理很简单就是根据摄像机的参数计算距离摄像机某一距离的摄像机窗口四个position。
using UnityEngine;
using System.Collections;public class CameraView : MonoBehaviour {private Camera theCamera;//距离摄像机8.5米 用黄色表示public float upperDistance 8.5f;//距离摄像机12米 用红色表示public float lowerDistance 12.0f;private Transform tx;void Start (){if ( !theCamera ){theCamera Camera.main;}tx theCamera.transform;}void Update (){FindUpperCorners();FindLowerCorners();}void FindUpperCorners (){Vector3[] corners GetCorners( upperDistance );// for debuggingDebug.DrawLine( corners[0], corners[1], Color.yellow ); // UpperLeft - UpperRight Debug.DrawLine( corners[1], corners[3], Color.yellow ); // UpperRight - LowerRightDebug.DrawLine( corners[3], corners[2], Color.yellow ); // LowerRight - LowerLeftDebug.DrawLine( corners[2], corners[0], Color.yellow ); // LowerLeft - UpperLeft}void FindLowerCorners (){Vector3[] corners GetCorners( lowerDistance );// for debuggingDebug.DrawLine( corners[0], corners[1], Color.red );Debug.DrawLine( corners[1], corners[3], Color.red );Debug.DrawLine( corners[3], corners[2], Color.red );Debug.DrawLine( corners[2], corners[0], Color.red );}Vector3[] GetCorners ( float distance ){Vector3[] corners new Vector3[ 4 ];float halfFOV ( theCamera.fieldOfView * 0.5f ) * Mathf.Deg2Rad; //相机的垂直视野的float aspect theCamera.aspect; //宽高比float height distance * Mathf.Tan( halfFOV );//tan求出所求位置相机的高度float width height * aspect; span stylefont-family: Arial, Helvetica, sans-serif;//根据高度和aspect求出所求位置相机的宽度// UpperLeftcorners[ 0 ] tx.position - ( tx.right * width );corners[ 0 ] tx.up * height;corners[ 0 ] tx.forward * distance;// UpperRightcorners[ 1 ] tx.position ( tx.right * width );corners[ 1 ] tx.up * height;corners[ 1 ] tx.forward * distance;// LowerLeftcorners[ 2 ] tx.position - ( tx.right * width );corners[ 2 ] - tx.up * height;corners[ 2 ] tx.forward * distance;// LowerRightcorners[ 3 ] tx.position ( tx.right * width );corners[ 3 ] - tx.up * height;corners[ 3 ] tx.forward * distance;return corners;}
}
