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| |
| #include "qclipplane.h" |
| #include "qclipplane_p.h" |
| #include <Qt3DRender/private/qrenderstatecreatedchange_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace Qt3DRender { |
| |
| /*! |
| \class Qt3DRender::QClipPlane |
| \inmodule Qt3DRender |
| \since 5.5 |
| \brief Enables an additional OpenGL clipping plane that can be in shaders |
| using gl_ClipDistance. |
| |
| By default, OpenGL supports up to 8 additional clipping planes. |
| Qt3DCore::QClipPlane allows to enable one of these additional planes. These |
| planes can then be manipulated in the shaders using gl_ClipDistance[i] |
| where i varies between 0 and 7. The underlying implementation may support more |
| than 8 clip planes, but it is not guaranteed. |
| */ |
| |
| /*! |
| \qmltype ClipPlane |
| \instantiates Qt3DRender::QClipPlane |
| \inherits RenderState |
| \inqmlmodule Qt3D.Render |
| \since 5.5 |
| \brief Enables an additional OpenGL clipping plane that can be in shaders |
| using gl_ClipDistance. |
| |
| By default, OpenGL supports up to 8 additional clipping planes. ClipPlane |
| allows to enable one of these additional planes. These planes can then be |
| manipulated in the shaders using gl_ClipDistance[i] where i varies between |
| 0 and 7. The underlying implementation may support more than 8 clip planes, |
| but it is not guaranteed. |
| */ |
| |
| /*! |
| \qmlproperty int ClipPlane::planeIndex |
| Holds the index of the plane. |
| \note Usually between 0-7. |
| */ |
| |
| /*! |
| \qmlproperty vector3d ClipPlane::normal |
| Holds the normal of the plane. |
| */ |
| |
| /*! |
| \qmlproperty real ClipPlane::distance |
| Holds the distance of the plane from the world origin. |
| */ |
| |
| |
| /*! |
| \property QClipPlane::planeIndex |
| Holds the index of the plane. |
| \note Usually between 0-7. |
| */ |
| |
| /*! |
| \property QClipPlane::normal |
| Holds the normal of the plane. |
| */ |
| |
| /*! |
| \property QClipPlane::distance |
| Holds the distance of the plane from the world origin. |
| */ |
| |
| |
| QClipPlane::QClipPlane(QNode *parent) |
| : QRenderState(*new QClipPlanePrivate(), parent) |
| { |
| } |
| |
| /*! \internal */ |
| QClipPlane::~QClipPlane() |
| { |
| } |
| |
| int QClipPlane::planeIndex() const |
| { |
| Q_D(const QClipPlane); |
| return d->m_planeIndex; |
| } |
| |
| QVector3D QClipPlane::normal() const |
| { |
| Q_D(const QClipPlane); |
| return d->m_normal; |
| } |
| |
| float QClipPlane::distance() const |
| { |
| Q_D(const QClipPlane); |
| return d->m_distance; |
| } |
| |
| void QClipPlane::setPlaneIndex(int planeIndex) |
| { |
| Q_D(QClipPlane); |
| if (planeIndex != d->m_planeIndex) { |
| d->m_planeIndex = planeIndex; |
| Q_EMIT planeIndexChanged(planeIndex); |
| } |
| } |
| |
| void QClipPlane::setNormal(QVector3D normal) |
| { |
| Q_D(QClipPlane); |
| if (normal != d->m_normal) { |
| d->m_normal = normal; |
| Q_EMIT normalChanged(normal); |
| } |
| } |
| |
| void QClipPlane::setDistance(float distance) |
| { |
| Q_D(QClipPlane); |
| if (distance != d->m_distance) { |
| d->m_distance = distance; |
| Q_EMIT distanceChanged(distance); |
| } |
| } |
| |
| Qt3DCore::QNodeCreatedChangeBasePtr QClipPlane::createNodeCreationChange() const |
| { |
| auto creationChange = QRenderStateCreatedChangePtr<QClipPlaneData>::create(this); |
| auto &data = creationChange->data; |
| Q_D(const QClipPlane); |
| data.normal = d->m_normal; |
| data.distance = d->m_distance; |
| data.planeIndex = d->m_planeIndex; |
| return creationChange; |
| } |
| |
| } // namespace Qt3DRender |
| |
| QT_END_NAMESPACE |