C++ VertexBufferBinding类代码示例

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本文整理汇总了C++中VertexBufferBinding类的典型用法代码示例。如果您正苦于以下问题：C++ VertexBufferBinding类的具体用法？C++ VertexBufferBinding怎么用？C++ VertexBufferBinding使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了VertexBufferBinding类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: assert

void GeomUtils::createQuad(VertexData*& vertexData)
{
	assert(vertexData);

	vertexData->vertexCount = 4;
	vertexData->vertexStart = 0;

	VertexDeclaration* vertexDecl = vertexData->vertexDeclaration;
	VertexBufferBinding* bind = vertexData->vertexBufferBinding;

	vertexDecl->addElement(0, 0, VET_FLOAT3, VES_POSITION);

	HardwareVertexBufferSharedPtr vbuf = 
		HardwareBufferManager::getSingleton().createVertexBuffer(
		vertexDecl->getVertexSize(0),
		vertexData->vertexCount,
		HardwareBuffer::HBU_STATIC_WRITE_ONLY);

	// Bind buffer
	bind->setBinding(0, vbuf);
	// Upload data
	float data[]={
		-1,1,-1,  // corner 1
		-1,-1,-1, // corner 2
		1,1,-1,   // corner 3
		1,-1,-1}; // corner 4
		vbuf->writeData(0, sizeof(data), data, true);
}

开发者ID:Anti-Mage，项目名称:ogre，代码行数:28，代码来源:GeomUtils.cpp

示例2: VertexData

    void WireBoundingBox::_initWireBoundingBox()
    {
        mRenderOp.vertexData = OGRE_NEW VertexData();

        mRenderOp.indexData = 0;
        mRenderOp.vertexData->vertexCount = 24; 
        mRenderOp.vertexData->vertexStart = 0; 
        mRenderOp.operationType = RenderOperation::OT_LINE_LIST; 
        mRenderOp.useIndexes = false; 
        mRenderOp.useGlobalInstancingVertexBufferIsAvailable = false;

        VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
        VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;

        decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);


        HardwareVertexBufferSharedPtr vbuf = 
            HardwareBufferManager::getSingleton().createVertexBuffer(
                decl->getVertexSize(POSITION_BINDING),
                mRenderOp.vertexData->vertexCount,
                HardwareBuffer::HBU_STATIC_WRITE_ONLY);

        // Bind buffer
        bind->setBinding(POSITION_BINDING, vbuf);

        // set basic white material
        this->setMaterial("BaseWhiteNoLighting");


        
    }

开发者ID:digimatic，项目名称:ogre，代码行数:32，代码来源:OgreWireBoundingBox.cpp

示例3: _restoreManualHardwareResources

    //---------------------------------------------------------------------
    void TextAreaOverlayElement::_restoreManualHardwareResources()
    {
        if(!mInitialised)
            return;

        // 6 verts per char since we're doing tri lists without indexes
        // Allocate space for positions & texture coords
        // Note - mRenderOp.vertexData->vertexCount will be less than allocatedVertexCount
        size_t allocatedVertexCount = mAllocSize * 6;
        VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
        VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;

        // Create dynamic since text tends to change a lot
        // positions & texcoords
        HardwareVertexBufferSharedPtr vbuf = 
            HardwareBufferManager::getSingleton().
                createVertexBuffer(
                    decl->getVertexSize(POS_TEX_BINDING), 
                    allocatedVertexCount,
                    HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
        bind->setBinding(POS_TEX_BINDING, vbuf);

        // colours
        vbuf = HardwareBufferManager::getSingleton().
                createVertexBuffer(
                    decl->getVertexSize(COLOUR_BINDING), 
                    allocatedVertexCount,
                    HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
        bind->setBinding(COLOUR_BINDING, vbuf);

        // Buffers are restored, but with trash within
        mGeomPositionsOutOfDate = true;
        mGeomUVsOutOfDate = true;
        mColoursChanged = true;
    }

开发者ID:LiberatorUSA，项目名称:GUCEF，代码行数:36，代码来源:OgreTextAreaOverlayElement.cpp

示例4:

void Line3D::drawLines(void)
{
   if(mDrawn)
      return;
   else
      mDrawn = true;

   // Initialization stuff
   mRenderOp.indexData = 0;
   mRenderOp.vertexData->vertexCount = mPoints.size();
   mRenderOp.vertexData->vertexStart = 0;
   mRenderOp.operationType = RenderOperation::OT_LINE_LIST; // OT_LINE_LIST, OT_LINE_STRIP
   mRenderOp.useIndexes = false;

   VertexDeclaration *decl = mRenderOp.vertexData->vertexDeclaration;
   VertexBufferBinding *bind = mRenderOp.vertexData->vertexBufferBinding;

   decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);

   HardwareVertexBufferSharedPtr vbuf =
      HardwareBufferManager::getSingleton().createVertexBuffer(
         decl->getVertexSize(POSITION_BINDING),
         mRenderOp.vertexData->vertexCount,
         HardwareBuffer::HBU_STATIC_WRITE_ONLY);

   bind->setBinding(POSITION_BINDING, vbuf);

   // Drawing stuff
   int size = mPoints.size();
   Vector3 vaabMin = mPoints[0];
   Vector3 vaabMax = mPoints[0];

   Real *prPos = static_cast<Real*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));

   for(int i = 0; i < size; i++)
   {
      *prPos++ = mPoints[i].x;
      *prPos++ = mPoints[i].y;
      *prPos++ = mPoints[i].z;

      if(mPoints[i].x < vaabMin.x)
         vaabMin.x = mPoints[i].x;
      if(mPoints[i].y < vaabMin.y)
         vaabMin.y = mPoints[i].y;
      if(mPoints[i].z < vaabMin.z)
         vaabMin.z = mPoints[i].z;

      if(mPoints[i].x > vaabMax.x)
         vaabMax.x = mPoints[i].x;
      if(mPoints[i].y > vaabMax.y)
         vaabMax.y = mPoints[i].y;
      if(mPoints[i].z > vaabMax.z)
         vaabMax.z = mPoints[i].z;
   }

   vbuf->unlock();

   mBox.setExtents(vaabMin, vaabMax);
}

开发者ID:brettminnie，项目名称:BDBGame，代码行数:59，代码来源:Line3D.cpp

示例5: _releaseManualHardwareResources

    //---------------------------------------------------------------------
    void TextAreaOverlayElement::_releaseManualHardwareResources()
    {
        if(!mInitialised)
            return;

        VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
        bind->unsetBinding(POS_TEX_BINDING);
        bind->unsetBinding(COLOUR_BINDING);
    }

开发者ID:LiberatorUSA，项目名称:GUCEF，代码行数:10，代码来源:OgreTextAreaOverlayElement.cpp

示例6: VertexData

	//---------------------------------------------------------------------
	void PrefabFactory::createPlane(Mesh* mesh)
	{
		SubMesh* sub = mesh->createSubMesh();
		float vertices[32] = {
			-100, -100, 0,	// pos
			0,0,1,			// normal
			0,1,			// texcoord
			100, -100, 0,
			0,0,1,
			1,1,
			100,  100, 0,
			0,0,1,
			1,0,
			-100,  100, 0 ,
			0,0,1,
			0,0 
		};
		mesh->sharedVertexData = OGRE_NEW VertexData();
		mesh->sharedVertexData->vertexCount = 4;
		VertexDeclaration* decl = mesh->sharedVertexData->vertexDeclaration;
		VertexBufferBinding* bind = mesh->sharedVertexData->vertexBufferBinding;

		size_t offset = 0;
		decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
		offset += VertexElement::getTypeSize(VET_FLOAT3);
		decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
		offset += VertexElement::getTypeSize(VET_FLOAT3);
		decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES, 0);
		offset += VertexElement::getTypeSize(VET_FLOAT2);

		HardwareVertexBufferSharedPtr vbuf = 
			HardwareBufferManager::getSingleton().createVertexBuffer(
			offset, 4, HardwareBuffer::HBU_STATIC_WRITE_ONLY);
		bind->setBinding(0, vbuf);

		vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);

		sub->useSharedVertices = true;
		HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
			createIndexBuffer(
			HardwareIndexBuffer::IT_16BIT, 
			6, 
			HardwareBuffer::HBU_STATIC_WRITE_ONLY);

		unsigned short faces[6] = {0,1,2,
			0,2,3 };
		sub->indexData->indexBuffer = ibuf;
		sub->indexData->indexCount = 6;
		sub->indexData->indexStart =0;
		ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);

		mesh->_setBounds(AxisAlignedBox(-100,-100,0,100,100,0), true);
		mesh->_setBoundingSphereRadius(Math::Sqrt(100*100+100*100));
	}

开发者ID:terminus510，项目名称:OgreBulletTest，代码行数:55，代码来源:OgrePrefabFactory.cpp

示例7: _releaseManualHardwareResources

    //---------------------------------------------------------------------
    void BorderPanelOverlayElement::_releaseManualHardwareResources()
    {
        if(!mInitialised)
            return;

        VertexBufferBinding* bind = mRenderOp2.vertexData->vertexBufferBinding;
        bind->unsetBinding(POSITION_BINDING);
        bind->unsetBinding(TEXCOORD_BINDING);

        mRenderOp2.indexData->indexBuffer.setNull();

        PanelOverlayElement::_releaseManualHardwareResources();
    }

开发者ID:LiberatorUSA，项目名称:GUCEF，代码行数:14，代码来源:OgreBorderPanelOverlayElement.cpp

示例8: memcpy

	//---------------------------------------------------------------------
	void TangentSpaceCalc::extendBuffers(VertexSplits& vertexSplits)
	{
		if (!vertexSplits.empty())
		{
			// ok, need to increase the vertex buffer size, and alter some indexes

			// vertex buffers first
			VertexBufferBinding* newBindings = HardwareBufferManager::getSingleton().createVertexBufferBinding();
			const VertexBufferBinding::VertexBufferBindingMap& bindmap = 
				mVData->vertexBufferBinding->getBindings();
			for (VertexBufferBinding::VertexBufferBindingMap::const_iterator i = 
				bindmap.begin(); i != bindmap.end(); ++i)
			{
				HardwareVertexBufferSharedPtr srcbuf = i->second;
				// Derive vertex count from buffer not vertex data, in case using
				// the vertexStart option in vertex data
				size_t newVertexCount = srcbuf->getNumVertices() + vertexSplits.size();
				// Create new buffer & bind
				HardwareVertexBufferSharedPtr newBuf = 
					HardwareBufferManager::getSingleton().createVertexBuffer(
					srcbuf->getVertexSize(), newVertexCount, srcbuf->getUsage(), 
					srcbuf->hasShadowBuffer());
				newBindings->setBinding(i->first, newBuf);

				// Copy existing contents (again, entire buffer, not just elements referenced)
				newBuf->copyData(*(srcbuf.get()), 0, 0, srcbuf->getNumVertices() * srcbuf->getVertexSize(), true);

				// Split vertices, read / write from new buffer
				char* pBase = static_cast<char*>(newBuf->lock(HardwareBuffer::HBL_NORMAL));
				for (VertexSplits::iterator spliti = vertexSplits.begin(); 
					spliti != vertexSplits.end(); ++spliti)
				{
					const char* pSrcBase = pBase + spliti->first * newBuf->getVertexSize();
					char* pDstBase = pBase + spliti->second * newBuf->getVertexSize();
					memcpy(pDstBase, pSrcBase, newBuf->getVertexSize());
				}
				newBuf->unlock();

			}

			// Update vertex data
			// Increase vertex count according to num splits
			mVData->vertexCount += vertexSplits.size();
			// Flip bindings over to new buffers (old buffers released)
			HardwareBufferManager::getSingleton().destroyVertexBufferBinding(mVData->vertexBufferBinding);
			mVData->vertexBufferBinding = newBindings;
			
		}

	}

开发者ID:masonh，项目名称:marblemax，代码行数:51，代码来源:OgreTangentSpaceCalc.cpp

示例9: assert

    //-----------------------------------------------------------------------------
    void TempBlendedBufferInfo::extractFrom(const VertexData* sourceData)
    {
        // Release old buffer copies first
        if (!destPositionBuffer.isNull())
        {
            destPositionBuffer->getManager()->releaseVertexBufferCopy(destPositionBuffer);
            assert(destPositionBuffer.isNull());
        }
        if (!destNormalBuffer.isNull())
        {
            destNormalBuffer->getManager()->releaseVertexBufferCopy(destNormalBuffer);
            assert(destNormalBuffer.isNull());
        }

        VertexDeclaration* decl = sourceData->vertexDeclaration;
        VertexBufferBinding* bind = sourceData->vertexBufferBinding;
        const VertexElement *posElem = decl->findElementBySemantic(VES_POSITION);
        const VertexElement *normElem = decl->findElementBySemantic(VES_NORMAL);

        assert(posElem && "Positions are required");

        posBindIndex = posElem->getSource();
        srcPositionBuffer = bind->getBuffer(posBindIndex);

        if (!normElem)
        {
            posNormalShareBuffer = false;
            srcNormalBuffer.setNull();
        }
        else
        {
            normBindIndex = normElem->getSource();
            if (normBindIndex == posBindIndex)
            {
                posNormalShareBuffer = true;
                srcNormalBuffer.setNull();
            }
            else
            {
                posNormalShareBuffer = false;
                srcNormalBuffer = bind->getBuffer(normBindIndex);
            }
        }
    }

开发者ID:j-rivero，项目名称:ogre-acornacorn，代码行数:45，代码来源:OgreHardwareBufferManager.cpp

示例10: SimpleRenderable

  DebugRectangle2D::DebugRectangle2D() : SimpleRenderable ()
  {
#ifdef PLSM2_EIHORT
    mUseIdentityProjection = true;
    mUseIdentityView = true;
#endif
    mRenderOp.indexData = new IndexData();
    mRenderOp.vertexData = new VertexData();
    mRenderOp.operationType = RenderOperation::OT_LINE_LIST;
    mRenderOp.indexData->indexCount = 8;
    mRenderOp.vertexData->vertexCount = 4;
    mRenderOp.vertexData->vertexStart = 0;
    mRenderOp.useIndexes = true;

    VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
    VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;

    decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);
    const size_t offset = VertexElement::getTypeSize(VET_FLOAT3);
    decl->addElement (POSITION_BINDING, offset, VET_COLOUR, VES_DIFFUSE);

    mRenderOp.indexData->indexBuffer = HardwareBufferManager::getSingleton().createIndexBuffer(
        HardwareIndexBuffer::IT_16BIT,
        mRenderOp.indexData->indexCount,
        HardwareBuffer::HBU_STATIC_WRITE_ONLY);

    HardwareVertexBufferSharedPtr vbuf =
    HardwareBufferManager::getSingleton().createVertexBuffer(
        decl->getVertexSize(POSITION_BINDING),
        mRenderOp.vertexData->vertexCount,
        HardwareBuffer::HBU_STATIC_WRITE_ONLY);

    // Bind buffer
    bind->setBinding(POSITION_BINDING, vbuf);

    SimpleRenderable::setBoundingBox(AxisAlignedBox(-1000 * Vector3::UNIT_SCALE,
            1000 * Vector3::UNIT_SCALE));

    SimpleRenderable::setRenderQueueGroup (RENDER_QUEUE_OVERLAY);

    // set basic white material
    SimpleRenderable::setMaterial("BaseWhiteNoLighting");
  }

开发者ID:junrw，项目名称:ember-gsoc2012，代码行数:43，代码来源:OgreDebugRectangle2D.cpp

示例11: VertexData

   void EffectBillboardChain::_createBuffer(void)
   {
	   if (mRenderOp.vertexData)
	   {
		   delete mRenderOp.vertexData;
		   mRenderOp.vertexData = NULL;
	   }

	   mRenderOp.vertexData = new VertexData();
	   mRenderOp.indexData = NULL;
	   mRenderOp.vertexData->vertexCount = mCurrentNbChainElements * 2;
	   mRenderOp.vertexData->vertexStart = 0;
	   mRenderOp.operationType = RenderOperation::OT_TRIANGLE_STRIP;
	   mRenderOp.useIndexes = false;

	   VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
	   VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;

	   // Add a description for the buffer of the positions of the vertices
       size_t offset = 0;
	   decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
       offset += VertexElement::getTypeSize(VET_FLOAT3);

       decl->addElement(0, offset, VET_COLOUR, VES_DIFFUSE);
       offset += VertexElement::getTypeSize(VET_COLOUR);

       decl->addElement(0, offset, VET_FLOAT2, VES_TEXTURE_COORDINATES);
       offset += VertexElement::getTypeSize(VET_FLOAT2);

	   // Create the buffer
	   HardwareVertexBufferSharedPtr pVertexBuffer =
		   HardwareBufferManager::getSingleton().createVertexBuffer(
		   decl->getVertexSize(0),
		   mCurrentNbChainElements * 2,
		   HardwareBuffer::HBU_STATIC_WRITE_ONLY);

	   // Bind the buffer
	   bind->setBinding(0, pVertexBuffer);
   }

开发者ID:dodong471520，项目名称:pap，代码行数:39，代码来源:OgreBillboardChain.cpp

示例12: _releaseManualHardwareResources

    //---------------------------------------------------------------------
    void PanelOverlayElement::_releaseManualHardwareResources()
    {
        if(!mInitialised)
            return;

        VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;
        bind->unsetBinding(POSITION_BINDING);

        // Remove all texcoord element declarations
        if(mNumTexCoordsInBuffer > 0)
        {
            bind->unsetBinding(TEXCOORD_BINDING);

            VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
            for(size_t i = mNumTexCoordsInBuffer; i > 0; --i)
            {
                decl->removeElement(VES_TEXTURE_COORDINATES,
                    static_cast<unsigned short>(i - 1));
            }
            mNumTexCoordsInBuffer = 0;
        }
    }

开发者ID:OGRECave，项目名称:ogre，代码行数:23，代码来源:OgrePanelOverlayElement.cpp

示例13: checkMemoryAllocation

    void TextAreaOverlayElement::checkMemoryAllocation( size_t numChars )
    {
        if( mAllocSize < numChars)
        {
            // Create and bind new buffers
            // Note that old buffers will be deleted automatically through reference counting
            
            // 6 verts per char since we're doing tri lists without indexes
            // Allocate space for positions & texture coords
            VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
            VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;

            mRenderOp.vertexData->vertexCount = numChars * 6;

            // Create dynamic since text tends to change a lot
            // positions & texcoords
            HardwareVertexBufferSharedPtr vbuf = 
                HardwareBufferManager::getSingleton().
                    createVertexBuffer(
                        decl->getVertexSize(POS_TEX_BINDING), 
                        mRenderOp.vertexData->vertexCount,
                        HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
            bind->setBinding(POS_TEX_BINDING, vbuf);

            // colours
            vbuf = HardwareBufferManager::getSingleton().
                    createVertexBuffer(
                        decl->getVertexSize(COLOUR_BINDING), 
                        mRenderOp.vertexData->vertexCount,
                        HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
            bind->setBinding(COLOUR_BINDING, vbuf);

            mAllocSize = numChars;
            mColoursChanged = true; // force colour buffer regeneration
        }

    }

开发者ID:whztt07，项目名称:ogre3d，代码行数:37，代码来源:OgreTextAreaOverlayElement.cpp

示例14: VertexData

	void Rectangle2D::_initRectangle2D(bool includeTextureCoords, Ogre::HardwareBuffer::Usage vBufUsage) 
    {
        // use identity projection and view matrices
        mUseIdentityProjection = true;
        mUseIdentityView = true;

        mRenderOp.vertexData = OGRE_NEW VertexData();

        mRenderOp.indexData = 0;
        mRenderOp.vertexData->vertexCount = 4; 
        mRenderOp.vertexData->vertexStart = 0; 
        mRenderOp.operationType = RenderOperation::OT_TRIANGLE_STRIP; 
        mRenderOp.useIndexes = false; 
        mRenderOp.useGlobalInstancingVertexBufferIsAvailable = false;

        VertexDeclaration* decl = mRenderOp.vertexData->vertexDeclaration;
        VertexBufferBinding* bind = mRenderOp.vertexData->vertexBufferBinding;

        decl->addElement(POSITION_BINDING, 0, VET_FLOAT3, VES_POSITION);


        HardwareVertexBufferSharedPtr vbuf = 
            HardwareBufferManager::getSingleton().createVertexBuffer(
            decl->getVertexSize(POSITION_BINDING),
            mRenderOp.vertexData->vertexCount,
            vBufUsage);

        // Bind buffer
        bind->setBinding(POSITION_BINDING, vbuf);

		decl->addElement(NORMAL_BINDING, 0, VET_FLOAT3, VES_NORMAL);

		vbuf = 
			HardwareBufferManager::getSingleton().createVertexBuffer(
            decl->getVertexSize(NORMAL_BINDING),
            mRenderOp.vertexData->vertexCount,
            vBufUsage);

		bind->setBinding(NORMAL_BINDING, vbuf);

		float *pNorm = static_cast<float*>(vbuf->lock(HardwareBuffer::HBL_DISCARD));
		*pNorm++ = 0.0f;
		*pNorm++ = 0.0f;
		*pNorm++ = 1.0f;

		*pNorm++ = 0.0f;
		*pNorm++ = 0.0f;
		*pNorm++ = 1.0f;

		*pNorm++ = 0.0f;
		*pNorm++ = 0.0f;
		*pNorm++ = 1.0f;

		*pNorm++ = 0.0f;
		*pNorm++ = 0.0f;
		*pNorm++ = 1.0f;

		vbuf->unlock();

        if (includeTextureCoords)
        {
            decl->addElement(TEXCOORD_BINDING, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES);


            HardwareVertexBufferSharedPtr tvbuf = 
                HardwareBufferManager::getSingleton().createVertexBuffer(
                decl->getVertexSize(TEXCOORD_BINDING),
                mRenderOp.vertexData->vertexCount,
                vBufUsage);

            // Bind buffer
            bind->setBinding(TEXCOORD_BINDING, tvbuf);

            // Set up basic tex coordinates
            setDefaultUVs();
        }

        // set basic white material
        this->setMaterial("BaseWhiteNoLighting");
    }

开发者ID:Anti-Mage，项目名称:ogre，代码行数:80，代码来源:OgreRectangle2D.cpp

示例15: for

WaterMesh::WaterMesh(const String& inMeshName, Real planeSize, int inComplexity)
{
    int x,y,b; // I prefer to initialize for() variables inside it, but VC doesn't like it ;(

    this->meshName = inMeshName ;
    this->complexity = inComplexity ;
    numFaces = 2 * complexity * complexity;
    numVertices = (complexity + 1) * (complexity + 1) ;
    lastTimeStamp = 0 ;
    lastAnimationTimeStamp = 0;
    lastFrameTime = 0 ;

    // initialize algorithm parameters
    PARAM_C = 0.3f ; // ripple speed
    PARAM_D = 0.4f ; // distance
    PARAM_U = 0.05f ; // viscosity
    PARAM_T = 0.13f ; // time
    useFakeNormals = false ;

    // allocate space for normal calculation
    vNormals = new Vector3[numVertices];

    // create mesh and submesh
    mesh = MeshManager::getSingleton().createManual(meshName,
        ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
    subMesh = mesh->createSubMesh();
    subMesh->useSharedVertices=false;

    // Vertex buffers
    subMesh->vertexData = new VertexData();
    subMesh->vertexData->vertexStart = 0;
    subMesh->vertexData->vertexCount = numVertices;

    VertexDeclaration* vdecl = subMesh->vertexData->vertexDeclaration;
    VertexBufferBinding* vbind = subMesh->vertexData->vertexBufferBinding;


    vdecl->addElement(0, 0, VET_FLOAT3, VES_POSITION);
    vdecl->addElement(1, 0, VET_FLOAT3, VES_NORMAL);
    vdecl->addElement(2, 0, VET_FLOAT2, VES_TEXTURE_COORDINATES);

    // Prepare buffer for positions - todo: first attempt, slow
    posVertexBuffer =
         HardwareBufferManager::getSingleton().createVertexBuffer(
            3*sizeof(float),
            numVertices,
            HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
    vbind->setBinding(0, posVertexBuffer);

    // Prepare buffer for normals - write only
    normVertexBuffer =
         HardwareBufferManager::getSingleton().createVertexBuffer(
            3*sizeof(float),
            numVertices,
            HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
    vbind->setBinding(1, normVertexBuffer);

    // Prepare texture coords buffer - static one
    // todo: optimize to write directly into buffer
    float *texcoordsBufData = new float[numVertices*2];
    for(y=0;y<=complexity;y++) {
        for(x=0;x<=complexity;x++) {
            texcoordsBufData[2*(y*(complexity+1)+x)+0] = (float)x / complexity ;
            texcoordsBufData[2*(y*(complexity+1)+x)+1] = 1.0f - ((float)y / (complexity)) ;
        }
    }
    texcoordsVertexBuffer =
         HardwareBufferManager::getSingleton().createVertexBuffer(
            2*sizeof(float),
            numVertices,
            HardwareBuffer::HBU_STATIC_WRITE_ONLY);
    texcoordsVertexBuffer->writeData(0,
        texcoordsVertexBuffer->getSizeInBytes(),
        texcoordsBufData,
        true); // true?
    delete [] texcoordsBufData;
    vbind->setBinding(2, texcoordsVertexBuffer);

    // Prepare buffer for indices
    indexBuffer =
        HardwareBufferManager::getSingleton().createIndexBuffer(
            HardwareIndexBuffer::IT_16BIT,
            3*numFaces,
            HardwareBuffer::HBU_STATIC, true);
    unsigned short *faceVertexIndices = (unsigned short*)
        indexBuffer->lock(0, numFaces*3*2, HardwareBuffer::HBL_DISCARD);
    for(y=0 ; y<complexity ; y++) {
        for(x=0 ; x<complexity ; x++) {
            unsigned short *twoface = faceVertexIndices + (y*complexity+x)*2*3;
            int p0 = y*(complexity+1) + x ;
            int p1 = y*(complexity+1) + x + 1 ;
            int p2 = (y+1)*(complexity+1) + x ;
            int p3 = (y+1)*(complexity+1) + x + 1 ;
            twoface[0]=p2; //first tri
            twoface[1]=p1;
            twoface[2]=p0;
            twoface[3]=p2; //second tri
            twoface[4]=p3;
            twoface[5]=p1;
        }
//.........这里部分代码省略.........

开发者ID:LiberatorUSA，项目名称:GUCEF，代码行数:101，代码来源:WaterMesh.cpp

示例16: assert

void MovableText::_setupGeometry()
{
  assert(mpFont);
  assert(!mpMaterial.isNull());

  unsigned int vertexCount = 0;

  //count letters to determine how many vertices are needed
  std::string::iterator i = mCaption.begin();
  std::string::iterator iend = mCaption.end();
  for ( ; i != iend; ++i )
  {
    if ((*i != ' ') && (*i != '\n'))
    {
      vertexCount += 6;
    }
  }

  if (mRenderOp.vertexData)
  {
    delete mRenderOp.vertexData;
    mRenderOp.vertexData = NULL;
    mUpdateColors = true;
  }

  if (mCaption.empty())
  {
    return;
  }

  if (!mRenderOp.vertexData)
    mRenderOp.vertexData = new VertexData();

  mRenderOp.indexData = 0;
  mRenderOp.vertexData->vertexStart = 0;
  mRenderOp.vertexData->vertexCount = vertexCount;
  mRenderOp.operationType = RenderOperation::OT_TRIANGLE_LIST;
  mRenderOp.useIndexes = false;

  VertexDeclaration *decl = mRenderOp.vertexData->vertexDeclaration;
  VertexBufferBinding *bind = mRenderOp.vertexData->vertexBufferBinding;
  size_t offset = 0;

  // create/bind positions/tex.ccord. buffer
  if (!decl->findElementBySemantic(VES_POSITION))
    decl->addElement(POS_TEX_BINDING, offset, VET_FLOAT3, VES_POSITION);

  offset += VertexElement::getTypeSize(VET_FLOAT3);

  if (!decl->findElementBySemantic(VES_TEXTURE_COORDINATES))
    decl->addElement(POS_TEX_BINDING, offset, Ogre::VET_FLOAT2,
        Ogre::VES_TEXTURE_COORDINATES, 0);

  HardwareVertexBufferSharedPtr ptbuf =
      HardwareBufferManager::getSingleton().createVertexBuffer(
          decl->getVertexSize(POS_TEX_BINDING),
          mRenderOp.vertexData->vertexCount,
          HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
  bind->setBinding(POS_TEX_BINDING, ptbuf);

  // Colours - store these in a separate buffer because they change less often
  if (!decl->findElementBySemantic(VES_DIFFUSE))
    decl->addElement(COLOUR_BINDING, 0, VET_COLOUR, VES_DIFFUSE);

  HardwareVertexBufferSharedPtr cbuf =
      HardwareBufferManager::getSingleton().createVertexBuffer(
          decl->getVertexSize(COLOUR_BINDING),
          mRenderOp.vertexData->vertexCount,
          HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
  bind->setBinding(COLOUR_BINDING, cbuf);

  float *pPCBuff =
      static_cast<float*> (ptbuf->lock(HardwareBuffer::HBL_DISCARD));

  Real spaceWidth = mSpaceWidth;
  // Derive space width from a capital A
  if (spaceWidth == 0)
    spaceWidth = mpFont->getGlyphAspectRatio('A') * mCharHeight * 2.0;

  float total_height = mCharHeight;
  float total_width = 0.0f;
  float current_width = 0.0f;
  i = mCaption.begin();
  iend = mCaption.end();
  for ( ; i != iend; ++i )
  {
    if (*i == '\n')
    {
      total_height += mCharHeight + 0.01;

      if ( current_width > total_width )
      {
        total_width = current_width;
        current_width = 0.0;
      }
    }
    else
    {
      current_width += mpFont->getGlyphAspectRatio(*i) * mCharHeight * 2.0;
    }
//.........这里部分代码省略.........

开发者ID:F34140r，项目名称:visualization-userfriendly，代码行数:101，代码来源:movable_text.cpp

示例17: assert

void MovableText::_setupGeometry()
{
    assert(mpFont);
    assert(!mpMaterial.isNull());
 
    unsigned int vertexCount = static_cast<unsigned int>(mCaption.size() * 6);
 
    if (mRenderOp.vertexData)
    {
        // Removed this test as it causes problems when replacing a caption
        // of the same size: replacing "Hello" with "hello"
        // as well as when changing the text alignment
        //if (mRenderOp.vertexData->vertexCount != vertexCount)
        {
            delete mRenderOp.vertexData;
            mRenderOp.vertexData = NULL;
            mUpdateColors = true;
        }
    }
 
    if (!mRenderOp.vertexData)
        mRenderOp.vertexData = new VertexData();
 
    mRenderOp.indexData = 0;
    mRenderOp.vertexData->vertexStart = 0;
    mRenderOp.vertexData->vertexCount = vertexCount;
    mRenderOp.operationType = RenderOperation::OT_TRIANGLE_LIST; 
    mRenderOp.useIndexes = false; 
 
    VertexDeclaration  *decl = mRenderOp.vertexData->vertexDeclaration;
    VertexBufferBinding   *bind = mRenderOp.vertexData->vertexBufferBinding;
    size_t offset = 0;
 
    // create/bind positions/tex.ccord. buffer
    if (!decl->findElementBySemantic(VES_POSITION))
        decl->addElement(POS_TEX_BINDING, offset, VET_FLOAT3, VES_POSITION);
 
    offset += VertexElement::getTypeSize(VET_FLOAT3);
 
    if (!decl->findElementBySemantic(VES_TEXTURE_COORDINATES))
        decl->addElement(POS_TEX_BINDING, offset, Ogre::VET_FLOAT2, Ogre::VES_TEXTURE_COORDINATES, 0);
 
    HardwareVertexBufferSharedPtr ptbuf = HardwareBufferManager::getSingleton().createVertexBuffer(decl->getVertexSize(POS_TEX_BINDING),
        mRenderOp.vertexData->vertexCount,
        HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
    bind->setBinding(POS_TEX_BINDING, ptbuf);
 
    // Colours - store these in a separate buffer because they change less often
    if (!decl->findElementBySemantic(VES_DIFFUSE))
        decl->addElement(COLOUR_BINDING, 0, VET_COLOUR, VES_DIFFUSE);
 
    HardwareVertexBufferSharedPtr cbuf = HardwareBufferManager::getSingleton().createVertexBuffer(decl->getVertexSize(COLOUR_BINDING),
        mRenderOp.vertexData->vertexCount,
        HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY);
    bind->setBinding(COLOUR_BINDING, cbuf);
 
    size_t charlen = mCaption.size();
    float *pPCBuff = static_cast<float*>(ptbuf->lock(HardwareBuffer::HBL_DISCARD));
 
    float largestWidth = 0;
    float left = 0 * 2.0 - 1.0;
    float top = -((0 * 2.0) - 1.0);
 
    Real spaceWidth = mSpaceWidth;
    // Derive space width from a capital A
    if (spaceWidth == 0)
        spaceWidth = mpFont->getGlyphAspectRatio('A') * mCharHeight * 2.0;
 
    // for calculation of AABB
    Ogre::Vector3 min, max, currPos;
    Ogre::Real maxSquaredRadius;
    bool first = true;
 
    // Use iterator
    String::iterator i, iend;
    iend = mCaption.end();
    bool newLine = true;
    Real len = 0.0f;
 
    Real verticalOffset = 0;
    switch (mVerticalAlignment)
    {
    case MovableText::V_ABOVE:
        verticalOffset = mCharHeight;
        break;
    case MovableText::V_CENTER:
        verticalOffset = 0.5*mCharHeight;
        break;
    case MovableText::V_BELOW:
        verticalOffset = 0;
        break;
    }
    // Raise the first line of the caption
    top += verticalOffset;
    for (i = mCaption.begin(); i != iend; ++i)
    {
        if (*i == '\n')
            top += verticalOffset * 2.0;
    }
 
//.........这里部分代码省略.........

开发者ID:albmarvil，项目名称:The-Eternal-Sorrow，代码行数:101，代码来源:MovableText.cpp

示例18: initialise

void VolumeRenderable::initialise()
{
	// Create geometry
	size_t nvertices = mSlices*4; // n+1 planes
	size_t elemsize = 3*3;
	size_t dsize = elemsize*nvertices;
	size_t x;
	
	Ogre::IndexData *idata = new Ogre::IndexData();
	Ogre::VertexData *vdata = new Ogre::VertexData();
	
	// Create  structures
	float *vertices = new float[dsize];
	
	float coords[4][2] = {
		{0.0f, 0.0f},
		{0.0f, 1.0f},
		{1.0f, 0.0f},
		{1.0f, 1.0f}
	};
	for(x=0; x<mSlices; x++) 
	{
		for(size_t y=0; y<4; y++)
		{
			float xcoord = coords[y][0]-0.5;
			float ycoord = coords[y][1]-0.5;
			float zcoord = -((float)x/(float)(mSlices-1)  - 0.5f);
			// 1.0f .. a/(a+1)
			// coordinate
			vertices[x*4*elemsize+y*elemsize+0] = xcoord*(mSize/2.0f);
			vertices[x*4*elemsize+y*elemsize+1] = ycoord*(mSize/2.0f);
			vertices[x*4*elemsize+y*elemsize+2] = zcoord*(mSize/2.0f);
			// normal
			vertices[x*4*elemsize+y*elemsize+3] = 0.0f;
			vertices[x*4*elemsize+y*elemsize+4] = 0.0f;
			vertices[x*4*elemsize+y*elemsize+5] = 1.0f;
			// tex
			vertices[x*4*elemsize+y*elemsize+6] = xcoord*sqrtf(3.0f);
			vertices[x*4*elemsize+y*elemsize+7] = ycoord*sqrtf(3.0f);
			vertices[x*4*elemsize+y*elemsize+8] = zcoord*sqrtf(3.0f);
		} 
	}
	unsigned short *faces = new unsigned short[mSlices*6];
	for(x=0; x<mSlices; x++) 
	{
		faces[x*6+0] = x*4+0;
		faces[x*6+1] = x*4+1;
		faces[x*6+2] = x*4+2;
		faces[x*6+3] = x*4+1;
		faces[x*6+4] = x*4+2;
		faces[x*6+5] = x*4+3;
	}
	// Setup buffers
	vdata->vertexStart = 0;
	vdata->vertexCount = nvertices;
	
	VertexDeclaration* decl = vdata->vertexDeclaration;
	VertexBufferBinding* bind = vdata->vertexBufferBinding;

	size_t offset = 0;
	decl->addElement(0, offset, VET_FLOAT3, VES_POSITION);
	offset += VertexElement::getTypeSize(VET_FLOAT3);
	decl->addElement(0, offset, VET_FLOAT3, VES_NORMAL);
	offset += VertexElement::getTypeSize(VET_FLOAT3);
	decl->addElement(0, offset, VET_FLOAT3, VES_TEXTURE_COORDINATES);
	offset += VertexElement::getTypeSize(VET_FLOAT3);

	HardwareVertexBufferSharedPtr vbuf = 
	HardwareBufferManager::getSingleton().createVertexBuffer(
		offset, nvertices, HardwareBuffer::HBU_STATIC_WRITE_ONLY);

	bind->setBinding(0, vbuf);

	vbuf->writeData(0, vbuf->getSizeInBytes(), vertices, true);
	
	HardwareIndexBufferSharedPtr ibuf = HardwareBufferManager::getSingleton().
		createIndexBuffer(
			HardwareIndexBuffer::IT_16BIT, 
			mSlices*6, 
			HardwareBuffer::HBU_STATIC_WRITE_ONLY);

	idata->indexBuffer = ibuf;
	idata->indexCount = mSlices*6;
	idata->indexStart = 0;
	ibuf->writeData(0, ibuf->getSizeInBytes(), faces, true);

	// Delete temporary buffers
	delete [] vertices;
	delete [] faces;
	
	// Now make the render operation
	mRenderOp.operationType = Ogre::RenderOperation::OT_TRIANGLE_LIST;
	mRenderOp.indexData = idata;
	mRenderOp.vertexData = vdata;
	mRenderOp.useIndexes = true;
	
	 // Create a brand new private material
	MaterialPtr material = 
		MaterialManager::getSingleton().create(mTexture, "VolumeRenderable",
			false, 0); // Manual, loader
//.........这里部分代码省略.........

开发者ID:Argos86，项目名称:dt2370，代码行数:101，代码来源:VolumeRenderable.cpp

示例19: syncFromOgreMesh

void OgreMesh::syncFromOgreMesh(Ogre::Entity *entity,Ogre::SubMesh*subMesh)
{
  const Ogre::Vector3 &position = entity->getParentNode()->_getDerivedPosition();
  const Ogre::Quaternion &orient = entity->getParentNode()->_getDerivedOrientation();
  const Ogre::Vector3 &scale = entity->getParentNode()->_getDerivedScale();

  VertexData *vertexData = subMesh->vertexData;
  if (vertexData) {
      VertexDeclaration *vertexDecl = vertexData->vertexDeclaration;
      
      // find the element for position
      const VertexElement *element = vertexDecl->findElementBySemantic(Ogre::VES_POSITION);
      
      // find and lock the buffer containing position information
      VertexBufferBinding *bufferBinding = vertexData->vertexBufferBinding;
      HardwareVertexBuffer *buffer = bufferBinding->getBuffer(element->getSource()).get();
      unsigned char *pVert = static_cast<unsigned char*>(buffer->lock(HardwareBuffer::HBL_READ_ONLY));
      std::vector<Ogre::Vector3> lvertices;
      for (size_t vert = 0; vert < vertexData->vertexCount; vert++) {
          Real *vertex = 0;
          Real x, y, z;
          element->baseVertexPointerToElement(pVert, &vertex);
          x = *vertex++;
          y = *vertex++;
          z = *vertex++;
          Ogre::Vector3 vec(x, y, z);
          vec = (orient * (vec * scale)) + position;
          
          lvertices.push_back(vec);
          
          pVert += buffer->getVertexSize();
      }
      buffer->unlock();
      
      // find and lock buffer containg vertex indices
      IndexData * indexData = subMesh->indexData;
      HardwareIndexBuffer *indexBuffer = indexData->indexBuffer.get();
      void *pIndex = static_cast<unsigned char *>(indexBuffer->lock(HardwareBuffer::HBL_READ_ONLY));
      if (indexBuffer->getType() == HardwareIndexBuffer::IT_16BIT) {
          for (size_t index = indexData->indexStart; index < indexData->indexCount; ) {
              uint16 *uint16Buffer = (uint16 *) pIndex;
              uint16 v1 = uint16Buffer[index++];
              uint16 v2 = uint16Buffer[index++];
              uint16 v3 = uint16Buffer[index++];
              
              mTriangles.push_back(Triangle(lvertices[v1], lvertices[v2], lvertices[v3]));
          }
      } else if (indexBuffer->getType() == HardwareIndexBuffer::IT_32BIT) {
          for (size_t index = indexData->indexStart; index < indexData->indexCount; ) {
              uint32 *uint16Buffer = (uint32 *) pIndex;
              uint32 v1 = uint16Buffer[index++];
              uint32 v2 = uint16Buffer[index++];
              uint32 v3 = uint16Buffer[index++];
              
              mTriangles.push_back(Triangle(lvertices[v1], lvertices[v2], lvertices[v3]));
          }
      } else {
          assert(0);
      }
      indexBuffer->unlock();
  }
}

开发者ID:danx0r，项目名称:sirikata，代码行数:62，代码来源:OgreMeshRaytrace.cpp

示例20: populateVertexArray

	//---------------------------------------------------------------------
	void TangentSpaceCalc::populateVertexArray(unsigned short sourceTexCoordSet)
	{
		// Just pull data out into more

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C++ VertexBufferBinding类代码示例

示例1: assert

示例2: VertexData

示例3: _restoreManualHardwareResources

示例4:

示例5: _releaseManualHardwareResources

示例6: VertexData

示例7: _releaseManualHardwareResources

示例8: memcpy

示例9: assert

示例10: SimpleRenderable

示例11: VertexData

示例12: _releaseManualHardwareResources

示例13: checkMemoryAllocation

示例14: VertexData

示例15: for

示例16: assert

示例17: assert

示例18: initialise

示例19: syncFromOgreMesh

示例20: populateVertexArray

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