120 lines
4.0 KiB
C#
120 lines
4.0 KiB
C#
using UnityEngine;
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namespace UnityEngine.Rendering
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{
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/// <summary>
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/// Utility component allowing users to setup many different static camera and cycle through their positions using the Debug Window.
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/// </summary>
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[CoreRPHelpURLAttribute("Camera-Switcher")]
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public class CameraSwitcher : MonoBehaviour
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{
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/// <summary>
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/// List of target cameras.
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/// </summary>
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public Camera[] m_Cameras;
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private int m_CurrentCameraIndex = -1;
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private Camera m_OriginalCamera = null;
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private Vector3 m_OriginalCameraPosition;
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private Quaternion m_OriginalCameraRotation;
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private Camera m_CurrentCamera = null;
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GUIContent[] m_CameraNames = null;
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int[] m_CameraIndices = null;
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DebugUI.EnumField m_DebugEntry;
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//saved enum fields for when repainting
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int m_DebugEntryEnumIndex;
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void OnEnable()
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{
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m_OriginalCamera = GetComponent<Camera>();
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m_CurrentCamera = m_OriginalCamera;
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if (m_OriginalCamera == null)
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{
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Debug.LogError("Camera Switcher needs a Camera component attached");
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return;
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}
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m_CurrentCameraIndex = GetCameraCount() - 1;
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m_CameraNames = new GUIContent[GetCameraCount()];
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m_CameraIndices = new int[GetCameraCount()];
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for (int i = 0; i < m_Cameras.Length; ++i)
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{
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Camera cam = m_Cameras[i];
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if (cam != null)
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{
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m_CameraNames[i] = new GUIContent(cam.name);
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}
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else
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{
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m_CameraNames[i] = new GUIContent("null");
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}
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m_CameraIndices[i] = i;
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}
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m_CameraNames[GetCameraCount() - 1] = new GUIContent("Original Camera");
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m_CameraIndices[GetCameraCount() - 1] = GetCameraCount() - 1;
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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 };
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var panel = DebugManager.instance.GetPanel("Camera", true);
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panel.children.Add(m_DebugEntry);
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}
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void OnDisable()
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{
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if (m_DebugEntry != null && m_DebugEntry.panel != null)
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{
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var panel = m_DebugEntry.panel;
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panel.children.Remove(m_DebugEntry);
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}
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}
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int GetCameraCount()
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{
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return m_Cameras.Length + 1; // We need +1 for handling the original camera.
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}
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Camera GetNextCamera()
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{
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if (m_CurrentCameraIndex == m_Cameras.Length)
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return m_OriginalCamera;
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else
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return m_Cameras[m_CurrentCameraIndex];
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}
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void SetCameraIndex(int index)
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{
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if (index > 0 && index < GetCameraCount())
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{
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m_CurrentCameraIndex = index;
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if (m_CurrentCamera == m_OriginalCamera)
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{
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m_OriginalCameraPosition = m_OriginalCamera.transform.position;
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m_OriginalCameraRotation = m_OriginalCamera.transform.rotation;
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}
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m_CurrentCamera = GetNextCamera();
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if (m_CurrentCamera != null)
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{
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// If we witch back to the original camera, put back the transform in it.
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if (m_CurrentCamera == m_OriginalCamera)
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{
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m_OriginalCamera.transform.position = m_OriginalCameraPosition;
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m_OriginalCamera.transform.rotation = m_OriginalCameraRotation;
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}
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transform.position = m_CurrentCamera.transform.position;
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transform.rotation = m_CurrentCamera.transform.rotation;
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}
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}
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}
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}
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}
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