自学教程：C++ D3DXVECTOR2函数代码示例

// Author	: masato masuda////*****************************************************************************//*****************************************************************************// include//*****************************************************************************#include "sprite_smooth.h"#include "render/sprite.h"#include "system/system.h"#include "system/directx9/texture/texture.h"//*****************************************************************************// constant definition//*****************************************************************************const D3DXVECTOR2 SpriteSmooth::DEFAULT_POSITION = D3DXVECTOR2(0.0f, 0.0f);const D3DXVECTOR2 SpriteSmooth::DEFAULT_SIZE = D3DXVECTOR2(0.0f, 0.0f);const D3DXVECTOR2 CLEAR_VECTOR2 = D3DXVECTOR2(0.0f, 0.0f);const D3DXCOLOR CLEAR_COLOR = D3DXCOLOR(1.0f, 1.0f, 1.0f, 1.0f);const f32 HALF_PI = D3DX_PI / 2.0f;//=============================================================================// constructor//=============================================================================SpriteSmooth::SpriteSmooth(void)	:sprite_(nullptr)	,dest_frame_(0)	,now_frame_(0)	,is_move_(false)

HRESULT Engine::CTerrainTex::Create_Buffer(const _ushort& wCntX, const _ushort& wCntZ, const _ushort& wItv){	HANDLE		hFile;	_ulong		dwByte;	hFile = CreateFile(L"../Resource/Texture/StageScene/Terrain/Height.bmp", GENERIC_READ, 0		, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);	BITMAPFILEHEADER		fh;	BITMAPINFOHEADER		ih;	ReadFile(hFile, &fh, sizeof(fh), &dwByte, NULL);	ReadFile(hFile, &ih, sizeof(ih), &dwByte, NULL);	_ulong*	pdwPixel = new _ulong[ih.biWidth * ih.biHeight];	ReadFile(hFile, pdwPixel, sizeof(_ulong) * ih.biWidth * ih.biHeight, &dwByte, NULL);	CloseHandle(hFile);		m_dwVtxSize = sizeof(VTXTEX);	m_dwVtxCnt = wCntX * wCntZ ;	m_dwVtxFVF = VTXFVF_TEX;	m_dwIdxSize = sizeof(INDEX16);	m_IdxFmt = D3DFMT_INDEX16;	m_dwTriCnt = (wCntX - 1) * (wCntZ - 1) * 2;	FAILED_CHECK(CVIBuffer::Create_Buffer());	VTXTEX*		pVtxTex = NULL;	m_pVB->Lock(0, 0, (void**)&pVtxTex, 0);	int		iIndex = NULL;	for(int z = 0; z < wCntZ; ++z)	{		for(int x = 0; x < wCntX; ++x)		{			iIndex = z * wCntX + x;			pVtxTex[iIndex].vPos = D3DXVECTOR3(				float(x) * wItv , 				(pdwPixel[iIndex] & 0x000000ff) / 5.f , 				float(z) * wItv);			pVtxTex[iIndex].vNormal = D3DXVECTOR3(0.f, 0.f, 0.f);			pVtxTex[iIndex].vTexUV = D3DXVECTOR2( x / (wCntX - 1.f), z / (wCntZ - 1.f) );		}	}	INDEX16*		pIndex = NULL;	m_pIB->Lock(0, 0, (void**)&pIndex, 0);	int		iTriCnt = 0;	for(int z = 0; z < wCntZ - 1; ++z)	{		for(int x = 0; x < wCntX - 1; ++x)		{			iIndex = z * wCntX + x;				pIndex[iTriCnt]._1 = iIndex + wCntX;			//1-2			pIndex[iTriCnt]._2 = iIndex + wCntX + 1;		// /|			pIndex[iTriCnt]._3 = iIndex + 1;				//	3			D3DXVECTOR3		vDest, vSour, vNormal;			vDest = pVtxTex[ pIndex[iTriCnt]._2 ].vPos - pVtxTex[ pIndex[iTriCnt]._1 ].vPos;			vSour = pVtxTex[ pIndex[iTriCnt]._3 ].vPos - pVtxTex[ pIndex[iTriCnt]._2 ].vPos;			D3DXVec3Cross(&vNormal, &vDest, &vSour);			pVtxTex[ pIndex[iTriCnt]._1 ].vNormal += vNormal;			pVtxTex[ pIndex[iTriCnt]._2 ].vNormal += vNormal;			pVtxTex[ pIndex[iTriCnt]._3 ].vNormal += vNormal;			++iTriCnt;			pIndex[iTriCnt]._1 = iIndex + wCntX;			pIndex[iTriCnt]._2 = iIndex + 1;			pIndex[iTriCnt]._3 = iIndex;			vDest = pVtxTex[ pIndex[iTriCnt]._2 ].vPos - pVtxTex[ pIndex[iTriCnt]._1 ].vPos;			vSour = pVtxTex[ pIndex[iTriCnt]._3 ].vPos - pVtxTex[ pIndex[iTriCnt]._2 ].vPos;			D3DXVec3Cross(&vNormal, &vDest, &vSour);			pVtxTex[ pIndex[iTriCnt]._1 ].vNormal += vNormal;			pVtxTex[ pIndex[iTriCnt]._2 ].vNormal += vNormal;			pVtxTex[ pIndex[iTriCnt]._3 ].vNormal += vNormal;			++iTriCnt;		}	}	for(_ushort i = 0; i < m_dwVtxCnt; ++i)	{		D3DXVec3Normalize(&pVtxTex[i].vNormal, &pVtxTex[i].vNormal);	}	m_pVB->Unlock();	m_pIB->Unlock();	Engine::Safe_Delete_Array(pdwPixel);	return S_OK;}

void InBuilding::build(float w, float h, float d){	VertexPNTList vertices;	VertexPNT v;	float width = w;	float height = h;	float depth = d;	float thrirdwidth = w/3;	float twothirdwidth = (2*w)/3;	float twothirdheight = (2*h)/3;	//Front	v.normal = D3DXVECTOR3( 0.0f,  0.0f, -1.0f);	v.pos = D3DXVECTOR3(0.1f, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(0.0,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(0.1f, height, 0.1f);	v.texC = D3DXVECTOR2(0.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(thrirdwidth, height, 0.1f);	v.texC = D3DXVECTOR2(0.4,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(thrirdwidth, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(0.4,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(thrirdwidth, twothirdheight, 0.1f);	v.texC = D3DXVECTOR2(0.4,0.7);	vertices.push_back(v);	v.pos = D3DXVECTOR3(twothirdwidth, twothirdheight, 0.1f);	v.texC = D3DXVECTOR2(0.8,0.7);	vertices.push_back(v);	v.pos = D3DXVECTOR3(twothirdwidth, height, 0.1f);	v.texC = D3DXVECTOR2(0.8,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, height, 0.1f);	v.texC = D3DXVECTOR2(1.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(1.0,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(twothirdwidth, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(0.8,0.0);	vertices.push_back(v);	//Left Face	v.normal = D3DXVECTOR3( -1.0f,  0.0f, 0.0f);	v.pos = D3DXVECTOR3(0.1f, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(0.0,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(0.1f, height, 0.1f);	v.texC = D3DXVECTOR2(0.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(0.1f, height, depth);	v.texC = D3DXVECTOR2(1.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(0.1f, 0.1f, depth);	v.texC = D3DXVECTOR2(1.0,0.0);	vertices.push_back(v);	//Top	v.normal = D3DXVECTOR3( 0.0f,  1.0f, 0.0f);	v.pos = D3DXVECTOR3(0.1f, height, 0.1f);	v.texC = D3DXVECTOR2(0.0,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(0.1f, height, depth);	v.texC = D3DXVECTOR2(0.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, height, depth);	v.texC = D3DXVECTOR2(1.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, height, 0.1f);	v.texC = D3DXVECTOR2(1.0,0.0);	vertices.push_back(v);	//Right	v.normal = D3DXVECTOR3( 1.0f,  0.0f, 0.0f);	v.pos = D3DXVECTOR3(width, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(0.0,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, 0.1f, depth);	v.texC = D3DXVECTOR2(0.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, height, depth);	v.texC = D3DXVECTOR2(1.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, height, 0.1f);	v.texC = D3DXVECTOR2(1.0,0.0);	vertices.push_back(v);	//Bottom	v.normal = D3DXVECTOR3( 0.0f,  -1.0f, 0.0f);	v.pos = D3DXVECTOR3(0.1f, 0.1f, 0.1f);	v.texC = D3DXVECTOR2(0.0,0.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(0.1f, 0.1f, depth);	v.texC = D3DXVECTOR2(0.0,1.0);	vertices.push_back(v);	v.pos = D3DXVECTOR3(width, 0.1f, depth);	v.texC = D3DXVECTOR2(1.0,1.0);	vertices.push_back(v);//.........这里部分代码省略.........

bool ModelClass::InitializeBuffers(ID3D11Device* device){	VertexType* vertices;	unsigned long* indices;	D3D11_BUFFER_DESC vertexBufferDesc, indexBufferDesc;    D3D11_SUBRESOURCE_DATA vertexData, indexData;	HRESULT result;	// Set the number of vertices in the vertex array.	m_vertexCount = 3;	// Set the number of indices in the index array.	m_indexCount = 3;	// Create the vertex array.	vertices = new VertexType[m_vertexCount];	if(!vertices)	{		return false;	}	// Create the index array.	indices = new unsigned long[m_indexCount];	if(!indices)	{		return false;	}	// Load the vertex array with data.	vertices[0].position = D3DXVECTOR3(-1.0f, -1.0f, 0.0f);  // Bottom left.	vertices[0].texture = D3DXVECTOR2(0.0f, 1.0f);	vertices[1].position = D3DXVECTOR3(0.0f, 1.0f, 0.0f);  // Top middle.	vertices[1].texture = D3DXVECTOR2(0.5f, 0.0f);	vertices[2].position = D3DXVECTOR3(1.0f, -1.0f, 0.0f);  // Bottom right.	vertices[2].texture = D3DXVECTOR2(1.0f, 1.0f);	// Load the index array with data.	indices[0] = 0;  // Bottom left.	indices[1] = 1;  // Top middle.	indices[2] = 2;  // Bottom right.	// Set up the description of the static vertex buffer.    vertexBufferDesc.Usage = D3D11_USAGE_DEFAULT;    vertexBufferDesc.ByteWidth = sizeof(VertexType) * m_vertexCount;    vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;    vertexBufferDesc.CPUAccessFlags = 0;    vertexBufferDesc.MiscFlags = 0;	vertexBufferDesc.StructureByteStride = 0;	// Give the subresource structure a pointer to the vertex data.    vertexData.pSysMem = vertices;	vertexData.SysMemPitch = 0;	vertexData.SysMemSlicePitch = 0;	// Now create the vertex buffer.    result = device->CreateBuffer(&vertexBufferDesc, &vertexData, &m_vertexBuffer);	if(FAILED(result))	{		return false;	}	// Set up the description of the static index buffer.    indexBufferDesc.Usage = D3D11_USAGE_DEFAULT;    indexBufferDesc.ByteWidth = sizeof(unsigned long) * m_indexCount;    indexBufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;    indexBufferDesc.CPUAccessFlags = 0;    indexBufferDesc.MiscFlags = 0;	indexBufferDesc.StructureByteStride = 0;	// Give the subresource structure a pointer to the index data.    indexData.pSysMem = indices;	indexData.SysMemPitch = 0;	indexData.SysMemSlicePitch = 0;	// Create the index buffer.	result = device->CreateBuffer(&indexBufferDesc, &indexData, &m_indexBuffer);	if(FAILED(result))	{		return false;	}	// Release the arrays now that the vertex and index buffers have been created and loaded.	delete [] vertices;	vertices = 0;	delete [] indices;	indices = 0;	return true;}

void Warlock::Intro(){	float x = this->mGe->GetEngineParameters().windowWidth * 0.5f - this->mGe->GetEngineParameters().windowWidth * 0.2125f;	float y = this->mGe->GetEngineParameters().windowHeight * 0.4f;	Text* intro = mGe->CreateText("Warlock", D3DXVECTOR2(x, y), 2.0f, "Media/Fonts/1");	mGe->LoadingScreen("Media/LoadingScreen/LoadingScreenBG.png", "Media/LoadingScreen/LoadingScreenPB.png", 0.0f, 1.0f, 1.0f, 1.0f);	// Changed by MaloW	intro->SetText("");	mGe->DeleteText(intro);	float width = GetGraphicsEngine()->GetEngineParameters().windowWidth;	float height = GetGraphicsEngine()->GetEngineParameters().windowHeight;			/* Set hud */	this->mHud[0] = NULL;	this->mHud[1] = NULL;	this->mHud[2] = NULL;	this->mHud[3] = NULL;	this->mHud[4] = NULL;	this->mHud[5] = NULL;	this->mHud[6] = NULL;	this->mHud[7] = NULL;	this->mHud[8] = NULL;	this->mHud[9] = NULL;	this->mHud[10] = NULL;	// Rework ScreenWidth to 4:3	const float UISCALE = 0.5f;	float screenHeight = this->mGe->GetEngineParameters().windowHeight;	float screenWidth = (screenHeight * 4) / 3;	float distX = (mGe->GetEngineParameters().windowWidth - screenWidth) / 2;	distX /= UISCALE;	D3DXVECTOR2 imgDim = D3DXVECTOR2(screenWidth / 5, screenWidth / 5) * UISCALE;	distX = (this->mGe->GetEngineParameters().windowWidth / 2.0f) - ((imgDim.x * 5.0f) / 2.0f);	for(int i = 11; i < 16; i++)	{		this->mHud[i] = mGe->CreateText("",D3DXVECTOR2(distX + imgDim.x * (i-11) + (imgDim.x * 0.2f), screenHeight - imgDim.y * 0.65f), 1.0f, "Media/Fonts/1");	}	this->mHud[16] = NULL;				this->mProgressBars = new ProgressBar*[6];	float percentX = 0.02f;	float percentY = 0.88f;		for(int i = 0; i<5;i++)	{		D3DXVECTOR2 temp = D3DXVECTOR2(percentX,percentY);		this->mProgressBars[i] = new ProgressBar(distX + imgDim.x * i, screenHeight - imgDim.y - (screenHeight * 0.03f), imgDim.x,  (screenHeight * 0.03f));		this->mProgressBars[i]->SetPercentOfProgressBarColor1(0.0f);		this->mProgressBars[i]->SetPercentOfProgressBarColor2(0.0f);		this->mProgressBars[i]->SetPercentOfProgressBarColor3(0.0f);		this->mProgressBars[i]->SetPercentOfProgressBarColor4(0.0f);		percentX = percentX + 0.16f;				}	D3DXVECTOR2 temp = D3DXVECTOR2(percentX,percentY);	this->mProgressBars[5] = new ProgressBar(distX, screenHeight - imgDim.y - (screenHeight * 0.08f) , imgDim.x * 5.0f,  (screenHeight * 0.05f));	this->mProgressBars[5]->SetPercentOfProgressBarColor1(0.0f);	this->mProgressBars[5]->SetPercentOfProgressBarColor2(0.0f);	this->mProgressBars[5]->SetPercentOfProgressBarColor3(0.0f);	this->mProgressBars[5]->SetPercentOfProgressBarColor4(0.0f);	percentX = percentX + 0.16f;		this->mTimeElapsedText = this->mGe->CreateText(	"", D3DXVECTOR2(15.0f, 10.0f), 1.0f, "Media/Fonts/1");	// Add spell Icons	Image* charge = mGe->CreateImage(D3DXVECTOR2(distX, screenHeight - imgDim.y), imgDim, "Media/WarlockUI/ChargeIcon.png");	Image* sprint = mGe->CreateImage(D3DXVECTOR2(distX + imgDim.x, screenHeight - imgDim.y), imgDim, "Media/WarlockUI/SprintIcon.png");	Image* harden = mGe->CreateImage(D3DXVECTOR2(distX + imgDim.x * 2, screenHeight - imgDim.y), imgDim, "Media/WarlockUI/HardenIcon.png");	Image* invis = mGe->CreateImage(D3DXVECTOR2(distX + imgDim.x * 3, screenHeight - imgDim.y), imgDim, "Media/WarlockUI/InvisIcon.png");	Image* jump = mGe->CreateImage(D3DXVECTOR2(distX + imgDim.x * 4, screenHeight - imgDim.y), imgDim, "Media/WarlockUI/JumpIcon.png");	this->SpellIcons.add(charge);	this->SpellIcons.add(sprint);	this->SpellIcons.add(harden);	this->SpellIcons.add(invis);	this->SpellIcons.add(jump);}

bool Model::InitBuffers(ID3D11Device* device){	Vertex* vertices;	unsigned long* indices;	D3D11_BUFFER_DESC vertexBufferDesc, indexBufferDesc;	D3D11_SUBRESOURCE_DATA vertexData, indexData;	HRESULT result;	int i; //new to 0.6 for counter		// Create vertex array.	vertices = new Vertex[_vertexCount]; // longer set to 3. new to 0.6		// Create index array.	indices = new unsigned long[_indexCount]; // longer set to 3. new to 0.6		// Load vertex array and index array with data. new to 0.6	for(i=0; i<_vertexCount; i++)	{		vertices[i].position = D3DXVECTOR3(_model[i].x+20, _model[i].y, _model[i].z+60);		vertices[i].texture = D3DXVECTOR2(_model[i].tu, _model[i].tv);		vertices[i].normal = D3DXVECTOR3(_model[i].nx, _model[i].ny, _model[i].nz);		indices[i] = i;	}	// Set up description of static vertex buffer.	vertexBufferDesc.Usage = D3D11_USAGE_DEFAULT;	vertexBufferDesc.ByteWidth = sizeof(Vertex) * _vertexCount;	vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;	vertexBufferDesc.CPUAccessFlags = 0;	vertexBufferDesc.MiscFlags = 0;	vertexBufferDesc.StructureByteStride = 0;	// Give subresource structure a pointer to vertex data.	vertexData.pSysMem = vertices;	vertexData.SysMemPitch = 0;	vertexData.SysMemSlicePitch = 0;	// Now create vertex buffer.	result = device->CreateBuffer(&vertexBufferDesc, &vertexData, &_vertexBuffer);	if(FAILED(result))	{		return false;	}	// Set up description of static index buffer.	indexBufferDesc.Usage = D3D11_USAGE_DEFAULT;	indexBufferDesc.ByteWidth = sizeof(unsigned long) * _indexCount;	indexBufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;	indexBufferDesc.CPUAccessFlags = 0;	indexBufferDesc.MiscFlags = 0;	indexBufferDesc.StructureByteStride = 0;	// Give subresource structure a pointer to index data.	indexData.pSysMem = indices;	indexData.SysMemPitch = 0;	indexData.SysMemSlicePitch = 0;	// Create index buffer.	result = device->CreateBuffer(&indexBufferDesc, &indexData, &_indexBuffer);	if(FAILED(result))	{		return false;	}	//once ind and vert buffers been created arrays no longer needed as data in buffers	// Release arrays now that vertex and index buffers have been created and loaded.	delete [] vertices;	vertices = 0;	delete [] indices;	indices = 0;	return true;}

bool ModelClass::InitializeBuffers(ID3D10Device* device){    VertexType* vertices;    unsigned long* indices;    D3D10_BUFFER_DESC vertexBufferDesc, indexBufferDesc;    D3D10_SUBRESOURCE_DATA vertexData, indexData;    HRESULT result;    int i;    // Create the vertex array.    vertices = new VertexType[m_vertexCount];    if(!vertices)    {        return false;    }    // Create the index array.    indices = new unsigned long[m_indexCount];    if(!indices)    {        return false;    }    // Load the vertex array and index array with data.    for(i=0; i<m_vertexCount; i++)    {        vertices[i].position = D3DXVECTOR3(m_model[i].x, m_model[i].y, m_model[i].z);        vertices[i].texture = D3DXVECTOR2(m_model[i].tu, m_model[i].tv);        indices[i] = i;    }    // Set up the description of the vertex buffer.    vertexBufferDesc.Usage = D3D10_USAGE_DEFAULT;    vertexBufferDesc.ByteWidth = sizeof(VertexType) * m_vertexCount;    vertexBufferDesc.BindFlags = D3D10_BIND_VERTEX_BUFFER;    vertexBufferDesc.CPUAccessFlags = 0;    vertexBufferDesc.MiscFlags = 0;    // Give the subresource structure a pointer to the vertex data.    vertexData.pSysMem = vertices;    // Now finally create the vertex buffer.    result = device->CreateBuffer(&vertexBufferDesc, &vertexData, &m_vertexBuffer);    if(FAILED(result))    {        return false;    }    // Set up the description of the index buffer.    indexBufferDesc.Usage = D3D10_USAGE_DEFAULT;    indexBufferDesc.ByteWidth = sizeof(unsigned long) * m_indexCount;    indexBufferDesc.BindFlags = D3D10_BIND_INDEX_BUFFER;    indexBufferDesc.CPUAccessFlags = 0;    indexBufferDesc.MiscFlags = 0;    // Give the subresource structure a pointer to the index data.    indexData.pSysMem = indices;    // Create the index buffer.    result = device->CreateBuffer(&indexBufferDesc, &indexData, &m_indexBuffer);    if(FAILED(result))    {        return false;    }    // Release the arrays now that the vertex and index buffers have been created and loaded.    delete [] vertices;    vertices = 0;    delete [] indices;    indices = 0;    return true;}

void ElBillboardChain::_setupVertices(ElCamera* cam){	D3DXVECTOR3 chainDir(0.0f, 0.0f, 0.0f);	if (!mChainElementList.empty())		chainDir = mChainElementList.back().position - mChainElementList.begin()->position;	int numElements = (int)mChainElementList.size();	int lastElement = numElements - 1;	for (int i = 0; i < numElements; ++i)	{		Element prevElement, nextElement;				if (i != lastElement)		{			prevElement = mChainElementList[i];			nextElement = mChainElementList[i + 1];		}		else if (i != 0)		{			prevElement = mChainElementList[i - 1];			nextElement = mChainElementList[i];		}		else		{			prevElement = nextElement = mChainElementList[i];		}		D3DXVECTOR3 segmentDir;		if (mUseChainDirection)			segmentDir = chainDir;		else			segmentDir = nextElement.position - prevElement.position;		D3DXVECTOR3 lookAt(0.0f, 0.0f, 1.0f);		if (cam)			lookAt = -cam->getDirection();		D3DXVECTOR3 strechDir;		D3DXVec3Cross(&strechDir, &lookAt, &segmentDir);		D3DXVec3Normalize(&strechDir, &strechDir);		// each element can be extended to two vertices, according to positions of		// its neighbors and itself		Element currentElement = mChainElementList[i];		int vertexIdx = i * 2;		mVertices[vertexIdx].pos = currentElement.position + (currentElement.width * strechDir);		mVertices[vertexIdx].color = currentElement.colour;		if (mTexCoordMode == TextCoord_CustomX)			mVertices[vertexIdx].tex = D3DXVECTOR2(currentElement.texCoord, 1.0f);		else if (mTexCoordMode == TextCoord_CustomY)			mVertices[vertexIdx].tex = D3DXVECTOR2(1.0f, currentElement.texCoord);		++vertexIdx;		mVertices[vertexIdx].pos = currentElement.position - (currentElement.width * strechDir);		mVertices[vertexIdx].color = currentElement.colour;		if (mTexCoordMode == TextCoord_CustomX)			mVertices[vertexIdx].tex = D3DXVECTOR2(currentElement.texCoord, 0.0f);		else if (mTexCoordMode == TextCoord_CustomY)			mVertices[vertexIdx].tex = D3DXVECTOR2(0.0f, currentElement.texCoord);	}}

//.........这里部分代码省略.........				if (workBlockPos2.y - blockSize.y < blockPos.y + blockSize.y && workBlockPos2.y + blockSize.y > blockPos.y - blockSize.y					&& workBlockPos2.x - blockSize.x < blockPos.x + blockSize.x && workBlockPos2.x + blockSize.x > blockPos.x - blockSize.x					&& workBlockPos2.x - blockPos.x > -BLOCK_WIDTH && workBlockPos2.x - blockPos.x < 0.0f)				{					workBlockPos2.x = blockPos.x - blockSize.x - BLOCK_WIDTH;					workBlockPos2.y = blockPos.y - blockSize.y;					pBlock->SetPosition(workBlockPos2);					CBlockManager::CalculateBlockArrayNum(workBlockPos2, &nWorkBlockArrayNumX, &nWorkBlockArrayNumY);					if (nWorkBlockArrayNumX != nArrayNumX - 1)					{						CBlockManager::SetBlock(nWorkBlockArrayNumX, nWorkBlockArrayNumY, pBlock);						CBlockManager::SetBlock(nArrayNumX - 1, nArrayNumY, nullptr);					}				}			}		}		// 落下していき、配列番号が
C++ D3DXVECTOR3函数代码示例
C++ D3DXMatrixTranspose函数代码示例