//TODO @chenjie 临时放置，应该放在通用的Geometry中
public static Vector3[] GetHitPoints(Camera camera, Plane plane)
{
Vector3[] nearCorners;
Vector3[] farCorners;
CameraUtil.GetCameraCornors(camera, out nearCorners, out farCorners);
Vector3[] hitPoints = GetHitPoints(nearCorners, farCorners, plane);
return(hitPoints);
}
void ShowCameraFrustum()
{
Vector3[] nearCorners;
Vector3[] farCorners;
CameraUtil.GetCameraCornors(camera, out nearCorners, out farCorners);
DrawFrustum(nearCorners, farCorners);
Vector3[] hitPoints = CameraUtil.LinePlaneIntersectPoints(nearCorners, farCorners, plane);
DrawFrustumIntersectPlane(hitPoints, interectColor);
Vector3 min;
Vector3 max;
CameraUtil.GetMinMaxVector3(hitPoints, out min, out max);
}
