<link rel="File-List" href="file:///C:%5CDOCUME%7E1%5Czjua%5CLOCALS%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml"> <!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:PunctuationKerning/> <w:DrawingGridVerticalSpacing>7.8 磅</w:DrawingGridVerticalSpacing> <w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery> <w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:SpaceForUL/> <w:BalanceSingleByteDoubleByteWidth/> <w:DoNotLeaveBackslashAlone/> <w:ULTrailSpace/> <w:DoNotExpandShiftReturn/> <w:AdjustLineHeightInTable/> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:DontGrowAutofit/> <w:UseFELayout/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" LatentStyleCount="156"> </w:LatentStyles> </xml><![endif]--><style> <!-- /* Font Definitions */ @font-face {font-family:宋体; panose-1:2 1 6 0 3 1 1 1 1 1; mso-font-alt:SimSun; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 135135232 16 0 262145 0;} @font-face {font-family:Verdana; panose-1:2 11 6 4 3 5 4 4 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:536871559 0 0 0 415 0;} @font-face {font-family:"/@宋体"; panose-1:2 1 6 0 3 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 135135232 16 0 262145 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; text-align:justify; text-justify:inter-ideograph; mso-pagination:none; font-size:10.5pt; mso-bidi-font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:宋体; mso-font-kerning:1.0pt;} /* Page Definitions */ @page {mso-page-border-surround-header:no; mso-page-border-surround-footer:no;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style> <!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} </style> <![endif]-->
通过矩阵变换实现绕三个坐标轴的特定角度的旋转:
<!--<br><br>Code highlighting produced by Actipro CodeHighlighter (freeware)<br>http://www.CodeHighlighter.com/<br><br>-->
//
-----------------------------------------------------------------------------
//
Desc:设置世界矩阵
//
-----------------------------------------------------------------------------
VOIDSetWorldMatrix()
{
staticlongcurTime=0;
staticfloatelapsetime=0;
elapsetime=(timeGetTime()-curTime)/1000.0f;
curTime=timeGetTime();
//创建并设置世界矩阵
floatfRoll,fPitch,fYaw;
fRoll=fPitch=fYaw=0.0f;
if(m_bKey['D'])fRoll-=3*elapsetime;
if(m_bKey['A'])fRoll+=3*elapsetime;
if(m_bKey['S'])fPitch-=3*elapsetime;
if(m_bKey['W'])fPitch+=3*elapsetime;
if(m_bKey['Q'])fYaw-=3*elapsetime;
if(m_bKey['E'])fYaw+=3*elapsetime;
//更新网格模型姿态
staticD3DXVECTOR3vRight,vUp,vLook,vPos;
vRight.x=g_matWorld._11;
vRight.y=g_matWorld._12;
vRight.z=g_matWorld._13;
vUp.x=g_matWorld._21;
vUp.y=g_matWorld._22;
vUp.z=g_matWorld._23;
vLook.x=g_matWorld._31;
vLook.y=g_matWorld._32;
vLook.z=g_matWorld._33;
vPos.x=g_matWorld._41;
vPos.y=g_matWorld._42;
vPos.z=g_matWorld._43;
D3DXVec3Normalize(&vLook,&vLook);
D3DXVec3Cross(&vRight,&vUp,&vLook);
D3DXVec3Normalize(&vRight,&vRight);
D3DXVec3Cross(&vUp,&vLook,&vRight);
D3DXVec3Normalize(&vUp,&vUp);
staticD3DXMATRIXmatPitch,matYaw,matRoll;
D3DXMatrixRotationAxis(&matYaw,&vUp,fYaw);
D3DXVec3TransformCoord(&vLook,&vLook,&matYaw);
D3DXVec3TransformCoord(&vRight,&vRight,&matYaw);
D3DXMatrixRotationAxis(&matRoll,&vLook,fRoll);
D3DXVec3TransformCoord(&vRight,&vRight,&matRoll);
D3DXVec3TransformCoord(&vUp,&vUp,&matRoll);
D3DXMatrixRotationAxis(&matPitch,&vRight,fPitch);
D3DXVec3TransformCoord(&vLook,&vLook,&matPitch);
D3DXVec3TransformCoord(&vUp,&vUp,&matPitch);
g_matWorld._11=vRight.x;
g_matWorld._12=vRight.y;
g_matWorld._13=vRight.z;
g_matWorld._21=vUp.x;
g_matWorld._22=vUp.y;
g_matWorld._23=vUp.z;
g_matWorld._31=vLook.x;
g_matWorld._32=vLook.y;
g_matWorld._33=vLook.z;
//向前移动
if(m_bKey['F'])
{
g_matWorld._41+=30*elapsetime*vLook.x;
g_matWorld._42+=30*elapsetime*vLook.y;
g_matWorld._43+=30*elapsetime*vLook.z;
}
//向后移动
if(m_bKey['V'])
{
g_matWorld._41-=30*elapsetime*vLook.x;
g_matWorld._42-=30*elapsetime*vLook.y;
g_matWorld._43-=30*elapsetime*vLook.z;
}
g_pd3dDevice->SetTransform(D3DTS_WORLD,&g_matWorld);
}
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="ProgId" content="Word.Document"> <meta name="Generator" content="Microsoft Word 11"> <meta name="Originator" content="Microsoft Word 11"> <link rel="File-List" href="file:///C:%5CDOCUME%7E1%5Czjua%5CLOCALS%7E1%5CTemp%5Cmsohtml1%5C01%5Cclip_filelist.xml"> <!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:PunctuationKerning/> <w:DrawingGridVerticalSpacing>7.8 磅</w:DrawingGridVerticalSpacing> <w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery> <w:DisplayVerticalDrawingGridEvery>2</w:DisplayVerticalDrawingGridEvery> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:Compatibility> <w:SpaceForUL/> <w:BalanceSingleByteDoubleByteWidth/> <w:DoNotLeaveBackslashAlone/> <w:ULTrailSpace/> <w:DoNotExpandShiftReturn/> <w:AdjustLineHeightInTable/> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:DontGrowAutofit/> <w:UseFELayout/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--><!--[if gte mso 9]><xml> <w:LatentStyles DefLockedState="false" LatentStyleCount="156"> </w:LatentStyles> </xml><![endif]--><style> <!-- /* Font Definitions */ @font-face {font-family:宋体; panose-1:2 1 6 0 3 1 1 1 1 1; mso-font-alt:SimSun; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 135135232 16 0 262145 0;} @font-face {font-family:Verdana; panose-1:2 11 6 4 3 5 4 4 2 4; mso-font-charset:0; mso-generic-font-family:swiss; mso-font-pitch:variable; mso-font-signature:536871559 0 0 0 415 0;} @font-face {font-family:"/@宋体"; panose-1:2 1 6 0 3 1 1 1 1 1; mso-font-charset:134; mso-generic-font-family:auto; mso-font-pitch:variable; mso-font-signature:3 135135232 16 0 262145 0;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {mso-style-parent:""; margin:0cm; margin-bottom:.0001pt; text-align:justify; text-justify:inter-ideograph; mso-pagination:none; font-size:10.5pt; mso-bidi-font-size:12.0pt; font-family:"Times New Roman"; mso-fareast-font-family:宋体; mso-font-kerning:1.0pt;} /* Page Definitions */ @page {mso-page-border-surround-header:no; mso-page-border-surround-footer:no;} @page Section1 {size:612.0pt 792.0pt; margin:72.0pt 90.0pt 72.0pt 90.0pt; mso-header-margin:36.0pt; mso-footer-margin:36.0pt; mso-paper-source:0;} div.Section1 {page:Section1;} --> </style> <!--[if gte mso 10]> <style> /* Style Definitions */ table.MsoNormalTable {mso-style-name:普通表格; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman"; mso-fareast-font-family:"Times New Roman"; mso-ansi-language:#0400; mso-fareast-language:#0400; mso-bidi-language:#0400;} </style> <![endif]-->
//
-----------------------------------------------------------------------------
//
Desc:设置世界矩阵
//
-----------------------------------------------------------------------------
VOIDSetWorldMatrix()
{staticlongcurTime=0;staticfloatelapsetime=0;elapsetime=(timeGetTime()-curTime)/1000.0f;curTime=timeGetTime();//创建并设置世界矩阵floatfRoll,fPitch,fYaw;fRoll=fPitch=fYaw=0.0f;if(m_bKey['D'])fRoll-=3*elapsetime;if(m_bKey['A'])fRoll+=3*elapsetime;if(m_bKey['S'])fPitch-=3*elapsetime;if(m_bKey['W'])fPitch+=3*elapsetime;if(m_bKey['Q'])fYaw-=3*elapsetime;if(m_bKey['E'])fYaw+=3*elapsetime;//更新网格模型姿态staticD3DXVECTOR3vRight,vUp,vLook,vPos;vRight.x=g_matWorld._11;vRight.y=g_matWorld._12;vRight.z=g_matWorld._13;vUp.x=g_matWorld._21;vUp.y=g_matWorld._22;vUp.z=g_matWorld._23;vLook.x=g_matWorld._31;vLook.y=g_matWorld._32;vLook.z=g_matWorld._33;vPos.x=g_matWorld._41;vPos.y=g_matWorld._42;vPos.z=g_matWorld._43;D3DXVec3Normalize(&vLook,&vLook);D3DXVec3Cross(&vRight,&vUp,&vLook);D3DXVec3Normalize(&vRight,&vRight);D3DXVec3Cross(&vUp,&vLook,&vRight);D3DXVec3Normalize(&vUp,&vUp);staticD3DXMATRIXmatPitch,matYaw,matRoll;D3DXMatrixRotationAxis(&matYaw,&vUp,fYaw);D3DXVec3TransformCoord(&vLook,&vLook,&matYaw);D3DXVec3TransformCoord(&vRight,&vRight,&matYaw);D3DXMatrixRotationAxis(&matRoll,&vLook,fRoll);D3DXVec3TransformCoord(&vRight,&vRight,&matRoll);D3DXVec3TransformCoord(&vUp,&vUp,&matRoll);D3DXMatrixRotationAxis(&matPitch,&vRight,fPitch);D3DXVec3TransformCoord(&vLook,&vLook,&matPitch);D3DXVec3TransformCoord(&vUp,&vUp,&matPitch);g_matWorld._11=vRight.x;g_matWorld._12=vRight.y;g_matWorld._13=vRight.z;g_matWorld._21=vUp.x;g_matWorld._22=vUp.y;g_matWorld._23=vUp.z;g_matWorld._31=vLook.x;g_matWorld._32=vLook.y;g_matWorld._33=vLook.z;//向前移动if(m_bKey['F']){g_matWorld._41+=30*elapsetime*vLook.x;g_matWorld._42+=30*elapsetime*vLook.y;g_matWorld._43+=30*elapsetime*vLook.z;}//向后移动if(m_bKey['V']){g_matWorld._41-=30*elapsetime*vLook.x;g_matWorld._42-=30*elapsetime*vLook.y;g_matWorld._43-=30*elapsetime*vLook.z;}g_pd3dDevice->SetTransform(D3DTS_WORLD,&g_matWorld);}
通过四元数实现绕三个坐标轴的特定角度的旋转:
<!--<br><br>Code highlighting produced by Actipro CodeHighlighter (freeware)<br>http://www.CodeHighlighter.com/<br><br>-->
//
-----------------------------------------------------------------------------
//
Desc:设置世界矩阵
//
-----------------------------------------------------------------------------
VOIDSetWorldMatrix()
{
staticlongcurTime=0;
staticfloatelapsetime=0;
elapsetime=(timeGetTime()-curTime)/1000.0f;
curTime=timeGetTime();
//创建并设置世界矩阵
floatfRoll,fPitch,fYaw;
fRoll=fPitch=fYaw=0.0f;
if(m_bKey['D'])fRoll-=3*elapsetime;
if(m_bKey['A'])fRoll+=3*elapsetime;
if(m_bKey['S'])fPitch-=3*elapsetime;
if(m_bKey['W'])fPitch+=3*elapsetime;
if(m_bKey['Q'])fYaw-=3*elapsetime;
if(m_bKey['E'])fYaw+=3*elapsetime;
//更新网格模型姿态
D3DXQUATERNIONqR;
D3DXMATRIXmatRot;
D3DXQuaternionRotationYawPitchRoll(&qR,fYaw,fPitch,fRoll);
D3DXMatrixRotationQuaternion(&matRot,&qR);
D3DXMatrixMultiply(&g_matWorld,&matRot,&g_matWorld);
//获取网格模型前向量
staticD3DXVECTOR3vLook;
vLook.x=g_matWorld._31;
vLook.y=g_matWorld._32;
vLook.z=g_matWorld._33;
//向前移动
if(m_bKey['F'])
{
g_matWorld._41+=10*elapsetime*vLook.x;
g_matWorld._42+=10*elapsetime*vLook.y;
g_matWorld._43+=10*elapsetime*vLook.z;
}
//向后移动
if(m_bKey['V'])
{
g_matWorld._41-=10*elapsetime*vLook.x;
g_matWorld._42-=10*elapsetime*vLook.y;
g_matWorld._43-=10*elapsetime*vLook.z;
}
g_pd3dDevice->SetTransform(D3DTS_WORLD,&g_matWorld);
}
//
-----------------------------------------------------------------------------
//
Desc:设置世界矩阵
//
-----------------------------------------------------------------------------
VOIDSetWorldMatrix()
{staticlongcurTime=0;staticfloatelapsetime=0;elapsetime=(timeGetTime()-curTime)/1000.0f;curTime=timeGetTime();//创建并设置世界矩阵floatfRoll,fPitch,fYaw;fRoll=fPitch=fYaw=0.0f;if(m_bKey['D'])fRoll-=3*elapsetime;if(m_bKey['A'])fRoll+=3*elapsetime;if(m_bKey['S'])fPitch-=3*elapsetime;if(m_bKey['W'])fPitch+=3*elapsetime;if(m_bKey['Q'])fYaw-=3*elapsetime;if(m_bKey['E'])fYaw+=3*elapsetime;//更新网格模型姿态D3DXQUATERNIONqR;D3DXMATRIXmatRot;D3DXQuaternionRotationYawPitchRoll(&qR,fYaw,fPitch,fRoll);D3DXMatrixRotationQuaternion(&matRot,&qR);D3DXMatrixMultiply(&g_matWorld,&matRot,&g_matWorld);//获取网格模型前向量staticD3DXVECTOR3vLook;vLook.x=g_matWorld._31;vLook.y=g_matWorld._32;vLook.z=g_matWorld._33;//向前移动if(m_bKey['F']){g_matWorld._41+=10*elapsetime*vLook.x;g_matWorld._42+=10*elapsetime*vLook.y;g_matWorld._43+=10*elapsetime*vLook.z;}//向后移动if(m_bKey['V']){g_matWorld._41-=10*elapsetime*vLook.x;g_matWorld._42-=10*elapsetime*vLook.y;g_matWorld._43-=10*elapsetime*vLook.z;}g_pd3dDevice->SetTransform(D3DTS_WORLD,&g_matWorld);}
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