Ejemplo n.º 1
0
QVector3D myCam::getPositionFromViewMatrix(QMatrix4x4 matrix)
{
    QMatrix4x4 viewRot = matrix;
    viewRot.setColumn(3, QVector4D(0,0,0,1));
    QVector4D p = -(viewRot.transposed() * matrix.column(3));
    return QVector3D(p.x(), p.y(), p.z());
}
void QSGHiQSubPixelDistanceFieldTextMaterialShader::updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect)
{
    Q_ASSERT(oldEffect == 0 || newEffect->type() == oldEffect->type());
    QSGDistanceFieldTextMaterial *material = static_cast<QSGDistanceFieldTextMaterial *>(newEffect);
    QSGDistanceFieldTextMaterial *oldMaterial = static_cast<QSGDistanceFieldTextMaterial *>(oldEffect);

    if (oldMaterial == 0 || material->color() != oldMaterial->color()) {
        QVector4D c = material->color();
        state.context()->functions()->glBlendColor(c.x(), c.y(), c.z(), 1.0f);
    }

    if (oldMaterial == 0 || material->fontScale() != oldMaterial->fontScale())
        program()->setUniformValue(m_fontScale_id, GLfloat(material->fontScale()));

    if (oldMaterial == 0 || state.isMatrixDirty()) {
        int viewportWidth = state.viewportRect().width();
        QMatrix4x4 mat = state.combinedMatrix().inverted();
        program()->setUniformValue(m_vecDelta_id, mat.column(0) * (qreal(2) / viewportWidth));
    }

    QSGDistanceFieldTextMaterialShader::updateState(state, newEffect, oldEffect);
}
Ejemplo n.º 3
0
void OculusRiftNode::render( qint64 pTimeStamp, QUuid pSourcePinId )
{
	Q_UNUSED( pSourcePinId )

#if !defined( OCULUS_PLUGIN_SUPPORTED )
	Q_UNUSED( pTimeStamp )
#else
	fugio::Performance	Perf( mNode, "drawGeometry", pTimeStamp );

	if( !mNode->isInitialised() )
	{
		return;
	}

	if( !mOculusRift->hmd() )
	{
		return;
	}

	// We need to keep a reference to ourselves here as ovr_SubmitFrame can
	// call the main app event loop, which can close the context and delete us!

	QSharedPointer<fugio::NodeControlInterface>	C = mNode->control();

	mOculusRift->drawStart();

	const float		NearPlane = variant( mPinNearPlane ).toFloat();
	const float		FarPlane  = variant( mPinFarPlane ).toFloat();

	//	float Yaw(3.141592f);
	//	Vector3f Pos2(0.0f,1.6f,-5.0f);
	//	Pos2.y = ovrHmd_GetFloat(mHMD, OVR_KEY_EYE_HEIGHT, Pos2.y);

	QMatrix4x4		MatEye = variant( mPinViewMatrix ).value<QMatrix4x4>();
	QVector3D		TrnEye = MatEye.column( 3 ).toVector3D();

	MatEye.setColumn( 3, QVector4D( 0, 0, 0, 1 ) );

	const Vector3f Pos2( TrnEye.x(), TrnEye.y(), TrnEye.z() );

	Matrix4f tempRollPitchYaw;

	memcpy( tempRollPitchYaw.M, MatEye.constData(), sizeof( float ) * 16 );

	const Matrix4f rollPitchYaw = tempRollPitchYaw;

	// Render Scene to Eye Buffers
	for (int eye = 0; eye < 2; eye++)
	{
		mOculusRift->drawEyeStart( eye );

		// Get view and projection matrices
		//Matrix4f rollPitchYaw = Matrix4f( MatEye.transposed().data() );
		Matrix4f finalRollPitchYaw = rollPitchYaw * Matrix4f( mOculusRift->eyeRenderPos( eye ).Orientation);
		Vector3f finalUp = finalRollPitchYaw.Transform(Vector3f(0, 1, 0));
		Vector3f finalForward = finalRollPitchYaw.Transform(Vector3f(0, 0, -1));
		Vector3f shiftedEyePos = Pos2 + rollPitchYaw.Transform( mOculusRift->eyeRenderPos( eye ).Position );

		Matrix4f view = Matrix4f::LookAtRH(shiftedEyePos, shiftedEyePos + finalForward, finalUp);
		Matrix4f proj = ovrMatrix4f_Projection( mOculusRift->defaultEyeFOV( eye ), NearPlane, FarPlane, ovrProjection_None );

		mProjection->setVariant( QMatrix4x4( &proj.M[ 0 ][ 0 ], 4, 4 ).transposed() );

		mView->setVariant( QMatrix4x4( &view.M[ 0 ][ 0 ], 4, 4 ).transposed() );

		fugio::OpenGLStateInterface		*CurrentState = 0;

		for( QSharedPointer<fugio::PinInterface> P : mNode->enumInputPins() )
		{
			if( !P->isConnected() )
			{
				continue;
			}

			if( P->connectedPin().isNull() )
			{
				continue;
			}

			if( P->connectedPin()->control().isNull() )
			{
				continue;
			}

			QObject					*O = P->connectedPin()->control()->qobject();

			if( !O )
			{
				continue;
			}

			if( true )
			{
				fugio::RenderInterface		*Geometry = qobject_cast<fugio::RenderInterface *>( O );

				if( Geometry )
				{
					Geometry->render( pTimeStamp );

					continue;
				}
			}

			if( true )
			{
				fugio::OpenGLStateInterface		*NextState = qobject_cast<fugio::OpenGLStateInterface *>( O );

				if( NextState != 0 )
				{
					if( CurrentState != 0 )
					{
						CurrentState->stateEnd();
					}

					CurrentState = NextState;

					CurrentState->stateBegin();

					continue;
				}
			}
		}

		if( CurrentState != 0 )
		{
			CurrentState->stateEnd();
		}

		mOculusRift->drawEyeEnd( eye );
	}

	mOculusRift->drawEnd();

	pinUpdated( mPinProjection );
	pinUpdated( mPinView );
#endif
}
Ejemplo n.º 4
0
	inline QMatrix4x4 matrix( const QMatrix4x4 & modelView )
		{ QMatrix4x4 bilboard; bilboard.setColumn( 3, modelView.column(3) ); return bilboard; }
Ejemplo n.º 5
0
void traceMatrix (QMatrix4x4 qm){
    for (int i = 0; i < 4; i++)
        std::cout << qm.column(i)[0] << " " << qm.column(i)[1] << " " << qm.column(i)[2] << " " << qm.column(i)[3] << std::endl;
}
Ejemplo n.º 6
0
 QVector3D Frustum::bottomRight(QMatrix4x4 const& _m) const {
     return _m * bottomRight() - _m.column(3).toVector3D();
 }
Ejemplo n.º 7
0
 QVector3D Frustum::topLeft(QMatrix4x4 const& _m) const {
     return _m * topLeft() - _m.column(3).toVector3D();
 }
Ejemplo n.º 8
0
void AnimeGLWidget::drawLayers(ObjectItem *pLayerItem)
{
    int selFrame = m_pEditData->getSelectFrame();
    int flag = pLayerItem->data(Qt::CheckStateRole).toInt();
    if (m_pEditData->getObjectModel()->isLayer(pLayerItem->getIndex()) && (flag & ObjectItem::kState_Disp))
    {
        FrameData d;
        bool valid;
        d = pLayerItem->getDisplayFrameData(selFrame, &valid);
        if (valid)
        {
            QMatrix4x4 mat = pLayerItem->getDisplayMatrix(selFrame);
            if (m_pSetting->getUseZSort())
            {
                DRAW_FRAMEDATA draw;
                draw.mat = mat;
                draw.data = d;

                if (m_pSetting->getDrawFrame() && !m_pEditData->isExportPNG())
                {
                    ObjectItem *p = m_pEditData->getObjectModel()->getItemFromIndex(m_pEditData->getSelIndex());
                    if (pLayerItem == p)
                    {
                        if (m_bPressCtrl)
                        {
                            draw.frameCol = QColor(0, 255, 0, 255);
                        }
                        else
                        {
                            draw.frameCol = QColor(255, 0, 0, 255);
                        }
                    }
                    else
                    {
                        draw.frameCol = QColor(64, 64, 64, 255);
                    }
                }
                else
                {
                    draw.frameCol = QColor(0, 0, 0, 0);
                }

                m_drawList.append(draw);
            }
            else
            {
                drawFrameData(d, mat);

                if (m_pSetting->getDrawFrame() && !m_pEditData->isExportPNG())
                {
                    QColor col;
                    ObjectItem *p = m_pEditData->getObjectModel()->getItemFromIndex(m_pEditData->getSelIndex());
                    if (pLayerItem == p)
                    {
                        if (m_bPressCtrl)
                        {
                            col = QColor(0, 255, 0, 255);
                        }
                        else
                        {
                            col = QColor(255, 0, 0, 255);
                        }
                    }
                    else
                    {
                        col = QColor(64, 64, 64, 255);
                    }
                    drawFrame(d, mat, col);
                }
            }
        }
    }

    QList<ObjectItem *> children;
    for (int i = 0; i < pLayerItem->childCount(); i++)
    {
        ObjectItem *pChild = pLayerItem->child(i);
        bool valid;
        QMatrix4x4 m = pChild->getDisplayMatrix(selFrame, &valid);
        if (!valid)
        {
            children.append(pChild);
            continue;
        }

        int j;
        for (j = 0; j < children.size(); j++)
        {
            QMatrix4x4 m1 = children[j]->getDisplayMatrix(selFrame, &valid);
            if (!valid)
            {
                continue;
            }
            if (m.column(3).z() < m1.column(3).z())
            {
                children.insert(j, pChild);
                break;
            }
        }
        if (j == children.size())
        {
            children.append(pChild);
        }
    }

    foreach (ObjectItem *p, children)
    {
        drawLayers(p);
    }