public virtual void OnSceneGUI()
{
if (!target)
{
return;
}
var c = (Camera)target;
if (!CameraEditorUtils.IsViewportRectValidToRender(c.rect))
{
return;
}
Vector2 currentMainGameViewTargetSize = PreviewEditorWindow.GetMainPreviewTargetSize();
if (s_PreviousMainGameViewTargetSize != currentMainGameViewTargetSize)
{
// a gameView size change can affect horizontal FOV, refresh the inspector when that happens.
Repaint();
s_PreviousMainGameViewTargetSize = currentMainGameViewTargetSize;
}
SceneViewOverlay.Window(EditorGUIUtility.TrTextContent("Camera Preview"), OnOverlayGUI, (int)SceneViewOverlay.Ordering.Camera, target, SceneViewOverlay.WindowDisplayOption.OneWindowPerTarget);
CameraEditorUtils.HandleFrustum(c, referenceTargetIndex);
}
public virtual void OnSceneGUI()
{
var c = (Camera)target;
if (!CameraEditorUtils.IsViewportRectValidToRender(c.rect))
{
return;
}
SceneViewOverlay.Window(EditorGUIUtility.TrTextContent("Camera Preview"), OnOverlayGUI, (int)SceneViewOverlay.Ordering.Camera, target, SceneViewOverlay.WindowDisplayOption.OneWindowPerTarget);
CameraEditorUtils.HandleFrustum(c);
}
void DuringSceneGUI(SceneView sceneView)
{
if (!target)
{
return;
}
var c = (Camera)target;
if (!CameraEditorUtils.IsViewportRectValidToRender(c.rect))
{
return;
}
SceneViewOverlay.ShowWindow(m_OverlayWindows[c]);
}
public static void DrawFrustumGizmo(Camera camera)
{
var near = new Vector3[4];
var far = new Vector3[4];
float frustumAspect;
if (CameraEditorUtils.TryGetFrustum(camera, near, far, out frustumAspect))
{
Color orgColor = Handles.color;
Handles.color = k_ColorThemeCameraGizmo;
for (int i = 0; i < 4; ++i)
{
Handles.DrawLine(near[i], near[(i + 1) % 4]);
Handles.DrawLine(far[i], far[(i + 1) % 4]);
Handles.DrawLine(near[i], far[i]);
}
Handles.color = orgColor;
}
}
public virtual void OnSceneGUI()
{
if (!target)
{
return;
}
var c = (Camera)target;
if (!CameraEditorUtils.IsViewportRectValidToRender(c.rect))
{
return;
}
Vector2 currentMainPlayModeViewTargetSize = PlayModeView.GetMainPlayModeViewTargetSize();
if (s_PreviousMainPlayModeViewTargetSize != currentMainPlayModeViewTargetSize)
{
// a gameView size change can affect horizontal FOV, refresh the inspector when that happens.
Repaint();
s_PreviousMainPlayModeViewTargetSize = currentMainPlayModeViewTargetSize;
}
CameraEditorUtils.HandleFrustum(c, referenceTargetIndex);
}
// Called from C++ when we need to render a Camera's gizmo
internal static void RenderGizmo(Camera camera)
{
CameraEditorUtils.DrawFrustumGizmo(camera);
}
public override void OnGUI()
{
if (selectedCamera == null)
{
GUILayout.Label("No camera selected", EditorStyles.centeredGreyMiniLabel);
return;
}
if (!CameraEditorUtils.IsViewportRectValidToRender(selectedCamera.rect))
{
return;
}
var sceneView = SceneView.lastActiveSceneView;
// Do not render the Camera Preview overlay if the target camera GameObject is not part of the objects the
// SceneView is rendering
if (!sceneView.IsGameObjectInThisSceneView(selectedCamera.gameObject))
{
return;
}
Vector2 previewSize = selectedCamera.targetTexture
? new Vector2(selectedCamera.targetTexture.width, selectedCamera.targetTexture.height)
: PlayModeView.GetMainPlayModeViewTargetSize();
if (previewSize.x < 0f)
{
// Fallback to Scene View of not a valid game view size
previewSize.x = sceneView.position.width;
previewSize.y = sceneView.position.height;
}
// Apply normalized viewport rect of camera
Rect normalizedViewPortRect = selectedCamera.rect;
// clamp normalized rect in [0,1]
normalizedViewPortRect.xMin = Math.Max(normalizedViewPortRect.xMin, 0f);
normalizedViewPortRect.yMin = Math.Max(normalizedViewPortRect.yMin, 0f);
normalizedViewPortRect.xMax = Math.Min(normalizedViewPortRect.xMax, 1f);
normalizedViewPortRect.yMax = Math.Min(normalizedViewPortRect.yMax, 1f);
previewSize.x *= Mathf.Max(normalizedViewPortRect.width, 0f);
previewSize.y *= Mathf.Max(normalizedViewPortRect.height, 0f);
// Prevent using invalid previewSize
if (previewSize.x < 1f || previewSize.y < 1f)
{
return;
}
float aspect = previewSize.x / previewSize.y;
// Scale down (fit to scene view)
previewSize.y = kPreviewNormalizedSize * sceneView.position.height;
previewSize.x = previewSize.y * aspect;
if (previewSize.y > sceneView.position.height * 0.5f)
{
previewSize.y = sceneView.position.height * 0.5f;
previewSize.x = previewSize.y * aspect;
}
if (previewSize.x > sceneView.position.width * 0.5f)
{
previewSize.x = sceneView.position.width * 0.5f;
previewSize.y = previewSize.x / aspect;
}
// Get and reserve rect
drawingContainer.style.minWidth = previewSize.x;
drawingContainer.style.minHeight = previewSize.y;
var cameraRect = drawingContainer.rect;
cameraRect.width = Mathf.Floor(cameraRect.width);
if (Event.current.type == EventType.Repaint)
{
Graphics.DrawTexture(cameraRect, Texture2D.whiteTexture, new Rect(0, 0, 1, 1), 0, 0, 0, 0, Color.black);
}
var properWidth = cameraRect.height * aspect;
cameraRect.x += (cameraRect.width - properWidth) * 0.5f;
cameraRect.width = properWidth;
if (Event.current.type == EventType.Repaint)
{
// setup camera and render
previewCamera.CopyFrom(selectedCamera);
// make sure the preview camera is rendering the same stage as the SceneView is
if (sceneView.overrideSceneCullingMask != 0)
{
previewCamera.overrideSceneCullingMask = sceneView.overrideSceneCullingMask;
}
else
{
previewCamera.scene = sceneView.customScene;
}
// also make sure to sync any Skybox component on the preview camera
var dstSkybox = previewCamera.GetComponent <Skybox>();
if (dstSkybox)
{
var srcSkybox = selectedCamera.GetComponent <Skybox>();
if (srcSkybox && srcSkybox.enabled)
{
dstSkybox.enabled = true;
dstSkybox.material = srcSkybox.material;
}
else
{
dstSkybox.enabled = false;
}
}
var previewTexture = GetPreviewTextureWithSizeAndAA((int)cameraRect.width, (int)cameraRect.height);
previewCamera.targetTexture = previewTexture;
previewCamera.pixelRect = new Rect(0, 0, cameraRect.width, cameraRect.height);
Handles.EmitGUIGeometryForCamera(selectedCamera, previewCamera);
if (selectedCamera.usePhysicalProperties)
{
// when sensor size is reduced, the previous frame is still visible behing so we need to clear the texture before rendering.
RenderTexture rt = RenderTexture.active;
RenderTexture.active = previewTexture;
GL.Clear(false, true, Color.clear);
RenderTexture.active = rt;
}
previewCamera.Render();
Graphics.DrawTexture(cameraRect, previewTexture, new Rect(0, 0, 1, 1), 0, 0, 0, 0, GUI.color, EditorGUIUtility.GUITextureBlit2SRGBMaterial);
}
}
public override void OnGUI()
{
UpdateSize();
imguiContainer.style.minWidth = collapsed ? new StyleLength(240) : new StyleLength(StyleKeyword.Auto);
imguiContainer.style.minHeight = collapsed ? new StyleLength(135) : new StyleLength(StyleKeyword.Auto);
imguiContainer.parent.style.flexGrow = 1;
imguiContainer.style.flexGrow = 1;
if (selectedCamera == null)
{
GUILayout.Label("No camera selected", EditorStyles.centeredGreyMiniLabel);
return;
}
if (!CameraEditorUtils.IsViewportRectValidToRender(selectedCamera.rect))
{
return;
}
var sceneView = SceneView.lastActiveSceneView;
// Do not render the Camera Preview overlay if the target camera GameObject is not part of the objects the
// SceneView is rendering
if (!sceneView.IsGameObjectInThisSceneView(selectedCamera.gameObject))
{
return;
}
var cameraRect = imguiContainer.rect;
cameraRect.width = Mathf.Floor(cameraRect.width);
if (cameraRect.width < 1 || cameraRect.height < 1)
{
return;
}
if (Event.current.type == EventType.Repaint)
{
Graphics.DrawTexture(cameraRect, Texture2D.whiteTexture, new Rect(0, 0, 1, 1), 0, 0, 0, 0, Color.black);
// setup camera and render
previewCamera.CopyFrom(selectedCamera);
// make sure the preview camera is rendering the same stage as the SceneView is
if (sceneView.overrideSceneCullingMask != 0)
{
previewCamera.overrideSceneCullingMask = sceneView.overrideSceneCullingMask;
}
else
{
previewCamera.scene = sceneView.customScene;
}
// also make sure to sync any Skybox component on the preview camera
var dstSkybox = previewCamera.GetComponent <Skybox>();
if (dstSkybox)
{
var srcSkybox = selectedCamera.GetComponent <Skybox>();
if (srcSkybox && srcSkybox.enabled)
{
dstSkybox.enabled = true;
dstSkybox.material = srcSkybox.material;
}
else
{
dstSkybox.enabled = false;
}
}
Vector2 previewSize = selectedCamera.targetTexture
? new Vector2(selectedCamera.targetTexture.width, selectedCamera.targetTexture.height)
: PlayModeView.GetMainPlayModeViewTargetSize();
if (previewSize.x < 0f)
{
// Fallback to Scene View of not a valid game view size
previewSize.x = sceneView.position.width;
previewSize.y = sceneView.position.height;
}
float rectAspect = cameraRect.width / cameraRect.height;
float previewAspect = previewSize.x / previewSize.y;
Rect previewRect = cameraRect;
if (rectAspect > previewAspect)
{
float stretch = previewAspect / rectAspect;
previewRect = new Rect(cameraRect.xMin + cameraRect.width * (1.0f - stretch) * .5f, cameraRect.yMin, stretch * cameraRect.width, cameraRect.height);
}
else
{
float stretch = rectAspect / previewAspect;
previewRect = new Rect(cameraRect.xMin, cameraRect.yMin + cameraRect.height * (1.0f - stretch) * .5f, cameraRect.width, stretch * cameraRect.height);
}
var previewTexture = GetPreviewTextureWithSizeAndAA((int)previewRect.width, (int)previewRect.height);
previewCamera.targetTexture = previewTexture;
previewCamera.pixelRect = new Rect(0, 0, previewRect.width, previewRect.height);
Handles.EmitGUIGeometryForCamera(selectedCamera, previewCamera);
if (selectedCamera.usePhysicalProperties)
{
// when sensor size is reduced, the previous frame is still visible behing so we need to clear the texture before rendering.
RenderTexture rt = RenderTexture.active;
RenderTexture.active = previewTexture;
GL.Clear(false, true, Color.clear);
RenderTexture.active = rt;
}
previewCamera.Render();
Graphics.DrawTexture(previewRect, previewTexture, new Rect(0, 0, 1, 1), 0, 0, 0, 0, GUI.color, EditorGUIUtility.GUITextureBlit2SRGBMaterial);
}
}
