using UnityEngine; namespace UnityEngine.Rendering { [HelpURL(Documentation.baseURL + Documentation.version + Documentation.subURL + "Camera-Switcher" + Documentation.endURL)] public class CameraSwitcher : MonoBehaviour { public Camera[] m_Cameras; private int m_CurrentCameraIndex = -1; private Camera m_OriginalCamera = null; private Vector3 m_OriginalCameraPosition; private Quaternion m_OriginalCameraRotation; private Camera m_CurrentCamera = null; GUIContent[] m_CameraNames = null; int[] m_CameraIndices = null; DebugUI.EnumField m_DebugEntry; //saved enum fields for when repainting int m_DebugEntryEnumIndex; void OnEnable() { m_OriginalCamera = GetComponent(); m_CurrentCamera = m_OriginalCamera; if (m_OriginalCamera == null) { Debug.LogError("Camera Switcher needs a Camera component attached"); return; } m_CurrentCameraIndex = GetCameraCount() - 1; m_CameraNames = new GUIContent[GetCameraCount()]; m_CameraIndices = new int[GetCameraCount()]; for (int i = 0; i < m_Cameras.Length; ++i) { Camera cam = m_Cameras[i]; if (cam != null) { m_CameraNames[i] = new GUIContent(cam.name); } else { m_CameraNames[i] = new GUIContent("null"); } m_CameraIndices[i] = i; } m_CameraNames[GetCameraCount() - 1] = new GUIContent("Original Camera"); m_CameraIndices[GetCameraCount() - 1] = GetCameraCount() - 1; m_DebugEntry = new DebugUI.EnumField { displayName = "Camera Switcher", getter = () => m_CurrentCameraIndex, setter = value => SetCameraIndex(value), enumNames = m_CameraNames, enumValues = m_CameraIndices, getIndex = () => m_DebugEntryEnumIndex, setIndex = value => m_DebugEntryEnumIndex = value }; var panel = DebugManager.instance.GetPanel("Camera", true); panel.children.Add(m_DebugEntry); } void OnDisable() { if (m_DebugEntry != null && m_DebugEntry.panel != null) { var panel = m_DebugEntry.panel; panel.children.Remove(m_DebugEntry); } } int GetCameraCount() { return m_Cameras.Length + 1; // We need +1 for handling the original camera. } Camera GetNextCamera() { if (m_CurrentCameraIndex == m_Cameras.Length) return m_OriginalCamera; else return m_Cameras[m_CurrentCameraIndex]; } void SetCameraIndex(int index) { if (index > 0 || index < GetCameraCount()) { m_CurrentCameraIndex = index; if (m_CurrentCamera == m_OriginalCamera) { m_OriginalCameraPosition = m_OriginalCamera.transform.position; m_OriginalCameraRotation = m_OriginalCamera.transform.rotation; } m_CurrentCamera = GetNextCamera(); if (m_CurrentCamera != null) { // If we witch back to the original camera, put back the transform in it. if (m_CurrentCamera == m_OriginalCamera) { m_OriginalCamera.transform.position = m_OriginalCameraPosition; m_OriginalCamera.transform.rotation = m_OriginalCameraRotation; } transform.position = m_CurrentCamera.transform.position; transform.rotation = m_CurrentCamera.transform.rotation; } } } } }