/// <summary>
/// Finds the cameras.
/// </summary>
private static void FindCameras(bool sceneViewCameras)
{
CameraUtils.GetAllCameras(ref s_Cameras, sceneViewCameras);
Array.Resize(ref s_CameraNames, s_Cameras.Length);
for (int index = 0; index < s_Cameras.Length; index++)
{
s_CameraNames[index] = new GUIContent(s_Cameras[index].name);
}
}
/// <summary>
/// Creates a bounding rect that is visible to all cameras.
/// </summary>
/// <returns>The culling bounds.</returns>
public static Bounds CameraCullingBounds()
{
CameraUtils.GetAllCameras(ref s_Cameras);
Array.Resize(ref s_CameraBounds, s_Cameras.Length);
for (int index = 0; index < s_Cameras.Length; index++)
{
Camera camera = s_Cameras[index];
// boundsTarget is the center of the camera's frustum, in world coordinates:
Vector3 camPosition = camera.transform.position;
Vector3 normCamForward = Vector3.Normalize(camera.transform.forward);
float boundsDistance = (camera.farClipPlane - camera.nearClipPlane) / 2.0f + camera.nearClipPlane;
Vector3 boundsTarget = camPosition + (normCamForward * boundsDistance);
s_CameraBounds[index] = new Bounds(boundsTarget, Vector3.zero);
}
return(BoundsUtils.CombineBounds(s_CameraBounds));
}