/// <summary>
/// Creates a new scene axes GUI.
/// </summary>
/// <param name="window">Window in which the GUI is located in.</param>
/// <param name="panel">Panel onto which to place the GUI element.</param>
/// <param name="width">Width of the GUI element.</param>
/// <param name="height">Height of the GUI element.</param>
/// <param name="projType">Projection type to display on the GUI.</param>
public SceneAxesGUI(SceneWindow window, GUIPanel panel, int width, int height, ProjectionType projType)
{
renderTexture = new RenderTexture2D(PixelFormat.R8G8B8A8, width, height);
renderTexture.Priority = 1;
SceneObject cameraSO = new SceneObject("SceneAxesCamera", true);
camera = cameraSO.AddComponent<Camera>();
camera.Target = renderTexture;
camera.ViewportRect = new Rect2(0.0f, 0.0f, 1.0f, 1.0f);
cameraSO.Position = new Vector3(0, 0, 5);
cameraSO.LookAt(new Vector3(0, 0, 0));
camera.Priority = 2;
camera.NearClipPlane = 0.05f;
camera.FarClipPlane = 1000.0f;
camera.ClearColor = new Color(0.0f, 0.0f, 0.0f, 0.0f);
camera.ProjectionType = ProjectionType.Orthographic;
camera.Layers = SceneAxesHandle.LAYER;
camera.AspectRatio = 1.0f;
camera.OrthoHeight = 2.0f;
camera.HDR = false;
renderTextureGUI = new GUIRenderTexture(renderTexture, true);
GUILayoutY layout = panel.AddLayoutY();
GUILayoutX textureLayout = layout.AddLayoutX();
textureLayout.AddElement(renderTextureGUI);
textureLayout.AddFlexibleSpace();
Rect2I bounds = new Rect2I(0, 0, width, height);
sceneHandles = new SceneHandles(window, camera);
renderTextureGUI.Bounds = bounds;
labelGUI = new GUILabel(projType.ToString(), EditorStyles.LabelCentered);
layout.AddElement(labelGUI);
layout.AddFlexibleSpace();
this.panel = panel;
this.bounds = bounds;
}
/// <summary>
/// Creates the scene camera and updates the render texture. Should be called at least once before using the
/// scene view. Should be called whenever the window is resized.
/// </summary>
/// <param name="width">Width of the scene render target, in pixels.</param>
/// <param name="height">Height of the scene render target, in pixels.</param>
private void UpdateRenderTexture(int width, int height)
{
width = MathEx.Max(20, width);
height = MathEx.Max(20, height);
// Note: Depth buffer and readable flags are required because ScenePicking uses it
Texture2D colorTex = new Texture2D(width, height, PixelFormat.R8G8B8A8, TextureUsage.Render | TextureUsage.CPUReadable);
Texture2D depthTex = new Texture2D(width, height, PixelFormat.D32_S8X24, TextureUsage.DepthStencil | TextureUsage.CPUReadable);
renderTexture = new RenderTexture2D(colorTex, depthTex);
renderTexture.Priority = 1;
if (camera == null)
{
SceneObject sceneCameraSO = new SceneObject("SceneCamera", true);
camera = sceneCameraSO.AddComponent<Camera>();
camera.Target = renderTexture;
camera.ViewportRect = new Rect2(0.0f, 0.0f, 1.0f, 1.0f);
sceneCameraSO.Position = new Vector3(0, 0.5f, 1);
sceneCameraSO.LookAt(new Vector3(0, 0.5f, 0));
camera.Priority = 2;
camera.NearClipPlane = 0.05f;
camera.FarClipPlane = 2500.0f;
camera.ClearColor = ClearColor;
camera.Layers = UInt64.MaxValue & ~SceneAxesHandle.LAYER; // Don't draw scene axes in this camera
cameraController = sceneCameraSO.AddComponent<SceneCamera>();
renderTextureGUI = new GUIRenderTexture(renderTexture);
rtPanel.AddElement(renderTextureGUI);
sceneGrid = new SceneGrid(camera);
sceneSelection = new SceneSelection(camera);
sceneGizmos = new SceneGizmos(camera);
sceneHandles = new SceneHandles(this, camera);
}
else
{
camera.Target = renderTexture;
renderTextureGUI.RenderTexture = renderTexture;
}
Rect2I rtBounds = new Rect2I(0, 0, width, height);
renderTextureGUI.Bounds = rtBounds;
focusCatcher.Bounds = GUIUtility.CalculateBounds(rtPanel, GUI);
sceneAxesGUI.SetPosition(width - HandleAxesGUISize - HandleAxesGUIPaddingX, HandleAxesGUIPaddingY);
// TODO - Consider only doing the resize once user stops resizing the widget in order to reduce constant
// render target destroy/create cycle for every single pixel.
camera.AspectRatio = width / (float)height;
if (profilerCamera != null)
profilerCamera.Target = renderTexture;
}
private void OnInitialize()
{
GUILayoutY mainLayout = GUI.AddLayoutY();
string[] aspectRatioTitles = new string[aspectRatios.Length + 1];
aspectRatioTitles[0] = "Free";
for (int i = 0; i < aspectRatios.Length; i++)
aspectRatioTitles[i + 1] = aspectRatios[i].width + ":" + aspectRatios[i].height;
GUIListBoxField aspectField = new GUIListBoxField(aspectRatioTitles, new LocEdString("Aspect ratio"));
aspectField.OnSelectionChanged += OnAspectRatioChanged;
GUILayoutY buttonLayoutVert = mainLayout.AddLayoutY();
GUILayoutX buttonLayout = buttonLayoutVert.AddLayoutX();
buttonLayout.AddElement(aspectField);
buttonLayout.AddFlexibleSpace();
buttonLayoutVert.AddFlexibleSpace();
renderTextureGUI = new GUIRenderTexture(null);
renderTextureBg = new GUITexture(Builtin.WhiteTexture);
renderTextureBg.SetTint(BG_COLOR);
noCameraLabel = new GUILabel(new LocEdString("(No main camera in scene)"));
GUIPanel rtPanel = mainLayout.AddPanel();
rtPanel.AddElement(renderTextureGUI);
GUIPanel bgPanel = rtPanel.AddPanel(1);
bgPanel.AddElement(renderTextureBg);
GUILayoutY alignLayoutY = rtPanel.AddLayoutY();
alignLayoutY.AddFlexibleSpace();
GUILayoutX alignLayoutX = alignLayoutY.AddLayoutX();
alignLayoutX.AddFlexibleSpace();
alignLayoutX.AddElement(noCameraLabel);
alignLayoutX.AddFlexibleSpace();
alignLayoutY.AddFlexibleSpace();
UpdateRenderTexture(Width, Height);
bool hasMainCamera = Scene.Camera != null;
renderTextureGUI.Active = hasMainCamera;
noCameraLabel.Active = !hasMainCamera;
}
private static extern void Internal_CreateInstance(GUIRenderTexture instance, IntPtr texture, bool transparency,
string style, GUIOption[] options);
private static extern void Internal_CreateInstance(GUIRenderTexture instance, IntPtr texture, bool transparency,
string style, GUIOption[] options);
