diff options
Diffstat (limited to 'src/render/geometry/qgeometryrenderer.cpp')
| -rw-r--r-- | src/render/geometry/qgeometryrenderer.cpp | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/src/render/geometry/qgeometryrenderer.cpp b/src/render/geometry/qgeometryrenderer.cpp index 8720a5c00..7abbe8db8 100644 --- a/src/render/geometry/qgeometryrenderer.cpp +++ b/src/render/geometry/qgeometryrenderer.cpp @@ -48,6 +48,28 @@ using namespace Qt3DCore; namespace Qt3DRender { +/* + \internal + + sortIndex property: overrides the sorting index when depth sorting is enabled. + + If depth sorting is enabled on the frame graph, the renderer will sort + objects based on how far the center of the bounding volume is from + the camera and render objects from the furthest to the closest. + + This property can be used to override the depth index and precisely + control the order in which objects are rendered. This is useful when + all objects are at the same physical distance from the camera. + + The actual values are not significant, only that they define an order + to sort the objects. These are sorted such as the object with the + smallest value is drawn first, then the second smallest, and so on. + + \note Setting this to -1.f will disable the explicit sorting for this + entity and revert to using the distance from the center of the bounding + volume. +*/ + QGeometryRendererPrivate::QGeometryRendererPrivate() : QComponentPrivate() , m_instanceCount(1) @@ -61,6 +83,7 @@ QGeometryRendererPrivate::QGeometryRendererPrivate() , m_primitiveRestart(false) , m_geometry(nullptr) , m_primitiveType(QGeometryRenderer::Triangles) + , m_sortIndex(-1.f) { } @@ -194,7 +217,6 @@ QGeometryRendererPrivate::~QGeometryRendererPrivate() \sa Qt3DRender::QGeometryRenderer::PrimitiveType */ - /*! Constructs a new QGeometryRenderer with \a parent. */ |