📄 directx sdk 2006学习笔记5——动画和矩阵变换.mht
字号:
=BC=9B=E6=8A=95=E5=BD=B1=E5=8F=98=E6=8D=A2=E6=8F=8F=E8=BF=B0=E4=BA=86=E8=A7=
=82=E5=AF=9F=E8=80=85=E5=8F=AF=E4=BB=A5=E7=9C=8B=E5=88=B0=E5=86=85=E5=AE=B9=
=E7=9A=84=E8=8C=83=E5=9B=B4=EF=BC=8C=E7=B1=BB=E4=BC=BC=E8=BF=99=E4=B8=AA=E8=
=8C=83=E5=9B=B4=E7=B1=BB=E4=BC=BC=E4=BA=8E=E5=89=8A=E5=8E=BB=E9=A1=B6=E9=83=
=A8=E7=9A=84=E9=87=91=E5=AD=97=E5=A1=94=E5=BD=A2=E7=8A=B6=EF=BC=8C=E8=AF=A5=
=E5=8F=98=E6=8D=A2=E5=B0=86=E9=80=8F=E8=A7=86=E6=B3=95=E5=BA=94=E7=94=A8=E5=
=88=B0=E4=B8=80=E4=B8=AA3D=E5=9C=BA=E6=99=AF=E4=B8=AD=E3=80=82</DIV>
=
<DIV>=E3=80=80=E3=80=80=E7=9F=A9=E9=98=B5=E5=9C=A8D3D=E4=B8=AD=E6=98=AF=E6=
=8C=89=E8=AF=AD=E8=A8=80=E5=88=86=E5=BC=80=E5=AE=9A=E4=B9=89=E7=9A=84=EF=BC=
=8C=E5=A6=82=E6=9E=9C=E7=94=A8=E7=9A=84=E6=98=AFC=E8=AF=AD=E8=A8=80=EF=BC=
=8C=E9=82=A3=E4=B9=88=E5=8F=AA=E8=83=BD=E5=88=A9=E7=94=A8D3DMatrix=EF=BC=9B=
=E5=A6=82=E6=9E=9C=E7=94=A8=E7=9A=84=E6=98=AFC++=EF=BC=8C=E9=82=A3=E4=B9=88=
=E8=BF=98=E5=8F=AF=E4=BB=A5=E7=94=A8D3DXMatrix=E3=80=82=E5=AE=83=E4=BB=AC=
=E7=9A=84=E5=B7=AE=E5=88=AB=E5=B0=B1=E6=98=AF=E5=90=8E=E8=80=85=E5=88=A9=E7=
=94=A8=E4=BA=86C++=E4=B8=AD=E7=9A=84=E6=93=8D=E4=BD=9C=E7=AC=A6=E9=87=8D=E8=
=BD=BD=E7=9A=84=E5=8A=9F=E8=83=BD=EF=BC=8C=E4=BE=8B=E5=A6=82=E7=9F=A9=E9=98=
=B5=E4=B9=98=E6=B3=95=E3=80=82=E8=BF=99=E4=BA=9B=E7=9F=A9=E9=98=B5=E9=83=BD=
=E6=98=AF4*4=E7=9A=84=EF=BC=8C=E8=BF=99=E6=A0=B7=E6=96=B9=E4=BE=BF=E8=BF=9B=
=E8=A1=8C=E5=90=84=E7=A7=8D=E8=BD=AC=E6=8D=A2=E3=80=82=E5=8F=A6=E5=A4=96=E8=
=BF=98=E6=9C=89=E4=B8=80=E4=B8=AAD3DXMatrix16=EF=BC=8C=E8=BF=99=E6=98=AF=E7=
=BB=8F=E8=BF=87=E4=BC=98=E5=8C=96=E7=9A=84=E7=89=88=E6=9C=AC=EF=BC=8C=E6=98=
=AF=E4=BB=A516=E4=BD=8D=E5=AF=B9=E9=BD=90=E7=9A=84=E3=80=82D3DXMatrix=E5=AE=
=9A=E4=B9=89=E5=A6=82=E4=B8=8B=EF=BC=9A</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">typedef struct D3DXMATRIX { =
</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black"> FLOAT =
_11, FLOAT=20
_12, FLOAT _13, FLOAT _14,</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black"> FLOAT =
_21, FLOAT=20
_22, FLOAT _23, FLOAT _24,</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black"> FLOAT =
_31, FLOAT=20
_32, FLOAT _33, FLOAT _34,</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black"> FLOAT =
_41, FLOAT=20
_42, FLOAT _43, FLOAT _44 );</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">} D3DXMATRIX;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"> </DIV>
=
<DIV>=E3=80=80=E3=80=80=E4=B8=80=E4=B8=AA=E5=8D=95=E4=BD=8D=E7=9F=A9=E9=98=
=B5=E5=8F=AF=E4=BB=A5=E8=BF=99=E6=A0=B7=E5=AE=9A=E4=B9=89=EF=BC=9A</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">D3DXMatrix* m;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: =
black">D3DMatrixIdentity(&m);</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"> </DIV>
=
<DIV>=E3=80=80=E3=80=80=E5=9C=A8=E4=B8=96=E7=95=8C=E5=8F=98=E6=8D=A2=E4=B8=
=AD=EF=BC=8C=E6=9C=89=E4=BB=A5=E4=B8=8B=E5=87=BD=E6=95=B0=E7=94=A8=E4=BA=8E=
=E8=BF=9B=E8=A1=8C=E7=89=A9=E4=BD=93=E4=BD=8D=E7=BD=AE=E7=9A=84=E5=8F=98=E6=
=8D=A2=EF=BC=9A</DIV>
<UL>
=
<LI>D3DXMatrixTranslation=EF=BC=9A=E5=B9=B3=E7=A7=BB=E7=9F=A9=E9=98=B5=E3=
=80=82=E4=BE=8B=E5=A6=82=EF=BC=9AD3DXMatrixTranslation(x, y,=20
z)=E5=B0=86=E7=89=A9=E4=BD=93=E5=B9=B3=E7=A7=BB=E5=88=B0(x, y, =
z)=20
=
<LI>D3DXMatrixRotationX=EF=BC=9A=E7=BB=95x=E8=BD=B4=E6=97=8B=E8=BD=AC=E3=80=
=82=E7=B1=BB=E4=BC=BC=E7=9A=84=E6=9C=89=E7=BB=95Y=E5=92=8CZ=E8=BD=B4=E7=9A=
=84=E6=97=8B=E8=BD=AC=E5=87=BD=E6=95=B0=E3=80=82=E4=BE=8B=E5=A6=82=EF=BC=9A=
D3DXMatrixRotationX(&matrix=EF=BC=8CfAngle)=E3=80=82=E5=85=B6=E4=B8=AD=
fAngle=E6=98=AF=E6=97=8B=E8=BD=AC=E5=BC=A7=E5=BA=A6=E3=80=82=20
=
<LI>D3DXMatrixRotationAxis=EF=BC=9A=E7=BB=95=E4=BB=BB=E6=84=8F=E8=BD=B4=E6=
=97=8B=E8=BD=AC=20
=
<LI>D3DXMatrixRotationQuaternion=EF=BC=9A=E7=BB=95=E5=9B=9B=E5=85=83=E7=BB=
=84=E6=97=8B=E8=BD=AC=E3=80=82=20
<LI>
<DIV=20
style=3D"BORDER-RIGHT: medium none; PADDING-RIGHT: 0mm; =
BORDER-TOP: medium none; PADDING-LEFT: 0mm; BORDER-BOTTOM-COLOR: =
windowtext; PADDING-BOTTOM: 0mm; BORDER-LEFT: medium none; PADDING-TOP: =
0mm">D3DXMatrixScaling=EF=BC=9A=E5=AF=B9=E7=89=A9=E4=BD=93=E8=BF=9B=E8=A1=
=8C=E7=BC=A9=E6=94=BE=E6=93=8D=E4=BD=9C</DIV></LI></UL>
<DIV>
=
<DIV><STRONG>=E5=90=91=E9=87=8F=E7=9A=84=E5=BD=92=E4=B8=80=EF=BC=9A</STRO=
NG></DIV>
=
<DIV>=E3=80=80=E3=80=80=E5=9B=A0=E4=B8=BAD3D=E9=87=87=E7=94=A8=E6=B5=AE=E7=
=82=B9=E6=95=B0=E8=A1=A8=E7=A4=BA=E7=9F=A9=E9=98=B5=EF=BC=8C=E5=9C=A8=E8=BF=
=9B=E8=A1=8C=E5=A4=9A=E6=AC=A1=E5=B9=B3=E7=A7=BB=E6=97=8B=E8=BD=AC=E7=BC=A9=
=E6=94=BE=E5=90=8E=E5=8F=AF=E8=83=BD=E4=BC=9A=E4=B8=A2=E5=A4=B1=E4=B8=80=E5=
=AE=9A=E7=9A=84=E7=B2=BE=E5=BA=A6=EF=BC=8C=E4=BB=8E=E8=80=8C=E9=80=A0=E6=88=
=90=E5=8E=9F=E6=9D=A5=E5=9E=82=E7=9B=B4=E7=9A=84=E5=90=91=E9=87=8F=E4=B8=8D=
=E5=9E=82=E7=9B=B4=E3=80=82=E4=B8=BA=E4=BA=86=E8=A7=A3=E5=86=B3=E8=BF=99=E4=
=B8=AA=E9=97=AE=E9=A2=98=EF=BC=8CD3D=E9=87=87=E7=94=A8=E4=BA=86=E5=BD=92=E4=
=B8=80(Normalize)=E5=8F=89=E7=A7=AF=E7=9A=84=E6=96=B9=E6=B3=95=E3=80=82=E5=
=85=B7=E4=BD=93=E4=BB=A3=E7=A0=81=E5=A6=82=E4=B8=8B=EF=BC=9A</DIV>
<DIV> </DIV>
=
<DIV><SPAN> &n=
bsp; =20
D3DXVec3Normalize( &vLook, &vLook ); // =
</SPAN>=E4=BB=A5Look=E4=B8=BA=E6=A0=87=E5=87=86</DIV>
=
<DIV><SPAN> &n=
bsp; =20
D3DXVec3Cross( &vRight, &vUp, &vLook ); //=20
=
</SPAN>=E6=B1=82Up=E5=92=8CLook=E5=8F=89=E7=A7=AF=E6=9D=A5=E8=AE=BE=E5=AE=
=9ARight</DIV>
=
<DIV><SPAN> &n=
bsp; =20
D3DXVec3Normalize( &vRight, &vRight );</SPAN></DIV>
=
<DIV><SPAN> &n=
bsp; =20
D3DXVec3Cross ( &vUp, &vLook, &vRight); //=20
=
</SPAN>=E6=B1=82Look=E5=92=8CRight=E5=8F=89=E7=A7=AF=E6=9D=A5=E8=AE=BE=E5=
=AE=9AUp</DIV>
=
<DIV><SPAN> &n=
bsp; =20
D3DXVec3Normalize( &vUp, &vUp );</SPAN></DIV>
=
<DIV><SPAN> &n=
bsp; =20
</SPAN></DIV>
=
<DIV>=E3=80=80=E3=80=80=E5=BD=92=E4=B8=80=E5=B0=B1=E6=98=AF=E6=8A=8A=E5=90=
=91=E9=87=8F=E5=8D=95=E4=BD=8D=E5=8C=96=EF=BC=8C=E8=AE=A1=E7=AE=97=E5=85=AC=
=E5=BC=8F=E4=B8=BA||A|| =3D sqrt(x*x + y*y + z*z)=E3=80=82</DIV>
<DIV> </DIV>
<DIV><STRONG>=E5=9B=9B=E5=85=83=E6=95=B0=EF=BC=9A</STRONG></DIV>
<DIV><STRONG></STRONG></DIV>
=
<DIV>=E3=80=80=E3=80=80=E5=9B=9B=E5=85=83=E6=95=B0=E5=B0=B1=E6=98=AF=E4=B8=
=80=E4=B8=AA=E5=90=91=E9=87=8F=E5=8A=A0=E4=B8=8A=E4=B8=80=E6=AC=A1=E6=97=8B=
=E8=BD=AC=E3=80=82=E5=9B=9B=E5=85=83=E6=95=B0=E5=B0=86=E4=B8=89=E7=BB=B4=E7=
=A9=BA=E9=97=B4=E7=9A=84=E6=97=8B=E8=BD=AC=E6=A6=82=E5=BF=B5=E6=89=A9=E5=B1=
=95=E5=88=B0=E5=9B=9B=E7=BB=B4=E7=A9=BA=E9=97=B4=EF=BC=8C=E8=BF=99=E5=AF=B9=
=E4=BA=8E=E8=A1=A8=E7=A4=BA=E5=92=8C=E5=A4=84=E7=90=863D=E4=B8=AD=E7=82=B9=
=E7=9A=84=E6=97=8B=E8=BD=AC=E5=BE=88=E6=9C=89=E7=94=A8=E3=80=82=E5=9B=9B=E5=
=85=83=E6=95=B0=E5=8F=AF=E4=BB=A5=E7=94=A8=E4=BA=8E=E5=AE=9E=E7=8E=B0=EF=BC=
=9A</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt"><SPAN>n<SPAN=20
style=3D"FONT: 7pt 'Times New =
Roman'"> =20
</SPAN></SPAN>=E9=AA=A8=E9=AA=BC=E5=8A=A8=E7=94=BB ( skeletal =
animation )</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt"><SPAN>n<SPAN=20
style=3D"FONT: 7pt 'Times New =
Roman'"> =20
=
</SPAN></SPAN>=E5=8F=8D=E5=90=91=E5=8A=A8=E5=8A=9B=E5=AD=A6=E5=8A=A8=E7=94=
=BB ( inverse cinematics )</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt; TEXT-INDENT: -21pt"><SPAN>n<SPAN=20
style=3D"FONT: 7pt 'Times New =
Roman'"> =20
</SPAN></SPAN>3D=E7=89=A9=E7=90=86=E5=AD=A6</DIV>
<DIV=20
style=3D"TEXT-INDENT: =
21pt">=E6=88=91=E4=BB=AC=E5=8F=AF=E4=BB=A5=E5=9C=A8=E4=B8=80=E4=B8=AA=E6=B8=
=B8=E6=88=8F=E4=B8=AD=E5=B0=86=E6=89=80=E6=9C=89=E7=9A=84=E7=9F=A9=E9=98=B5=
=E6=9B=BF=E6=8D=A2=E4=B8=BA=E5=9B=9B=E5=85=83=E6=95=B0=EF=BC=8C=E5=9B=A0=E4=
=B8=BA=E8=BF=99=E6=A0=B7=E4=B8=8D=E4=BB=85=E8=8A=82=E7=9C=81=E5=86=85=E5=AD=
=98=E7=A9=BA=E9=97=B4=EF=BC=8C=E5=90=8C=E6=97=B6=E4=B9=9F=E9=99=8D=E4=BD=8E=
=E4=BA=86=E8=AE=A1=E7=AE=97=E6=88=90=E6=9C=AC=E3=80=82=E5=B9=B6=E4=B8=94=E5=
=BD=93=E9=9C=80=E8=A6=81=E4=B8=80=E4=B8=AA=E7=9F=A9=E9=98=B5=E8=BF=9B=E8=A1=
=8C=E6=93=8D=E4=BD=9C=E6=97=B6=EF=BC=8C=E9=9A=8F=E6=97=B6=E5=8F=AF=E4=BB=A5=
=E5=B0=86=E5=9B=9B=E5=85=83=E6=95=B0=E8=BD=AC=E6=8D=A2=E6=88=90=E7=9F=A9=E9=
=98=B5=E3=80=82</DIV>
=
<DIV>=E3=80=80=E3=80=80=E5=9B=9B=E5=85=83=E6=95=B0=E5=8C=85=E6=8B=AC=E4=B8=
=80=E4=B8=AA=E6=A0=87=E9=87=8Fw=E5=92=8C=E4=B8=80=E4=B8=AA=E5=90=91=E9=87=
=8Fv=E3=80=82=E5=85=B6=E4=B8=AD=E5=90=91=E9=87=8F=E5=BA=94=E4=B8=BA=E5=8D=
=95=E4=BD=8D=E5=90=91=E9=87=8Fw=EF=BC=8C=E6=A0=87=E9=87=8F=E4=B8=BA=E7=BB=
=95v=E8=BD=B4=E6=97=8B=E8=BD=AC=E7=9A=84=E6=95=B0=E9=87=8F=E3=80=82=E9=80=
=9A=E5=B8=B8=E8=A1=A8=E7=A4=BA=E4=B8=BA(x, y, z,=20
=
w)=E3=80=82=E5=AE=83=E7=9A=84=E7=89=A9=E7=90=86=E6=84=8F=E4=B9=89=E6=98=AF=
=E8=BF=99=E6=A0=B7=E7=9A=84=EF=BC=9A=E8=80=83=E8=99=91=E4=BB=A5=E8=A7=92=E5=
=BA=A6=CE=B8=E7=BB=95=E8=BD=B4A(x , y, =
z)=E6=97=8B=E8=BD=AC=E7=9A=84=E6=89=80=E6=9C=89=E6=97=8B=E8=BD=AC=E7=9F=A9=
=E9=98=B5=EF=BC=8C=E5=9B=9B=E5=85=83=E6=95=B0Q=E5=B0=86=E6=98=AFQ=3D( x =
sin(=CE=B8/2), y=20
sin(=CE=B8/2), z sin(=CE=B8/2), cos(=CE=B8/2) =
)=E3=80=82=E5=9B=A0=E6=AD=A4=E7=94=B1=E4=B8=80=E4=B8=AA=E5=9B=9B=E5=85=83=
=E6=95=B0=E5=8F=AF=E4=BB=A5=E5=BE=88=E5=AE=B9=E6=98=93=E6=B1=82=E5=87=BA=E6=
=97=8B=E8=BD=AC=E8=A7=92=CE=B8=3D 2 arc cos=20
=
w=EF=BC=8C=E9=82=A3=E4=B9=88=E6=97=8B=E8=BD=AC=E8=BD=B4A=E4=B9=9F=E5=B0=B1=
=E5=BE=88=E5=AE=B9=E6=98=93=E6=B1=82=E5=87=BA=E4=BA=86=E3=80=82</DIV>
=
<DIV>=E3=80=80=E3=80=80=E5=85=B3=E4=BA=8E=E5=9B=9B=E5=85=83=E6=95=B0=E7=9A=
=84=E6=95=B0=E5=AD=A6=E6=84=8F=E4=B9=89=E4=BB=A5=E5=8F=8A=E5=92=8C=E7=9F=A9=
=E9=98=B5=E7=9A=84=E5=85=B7=E4=BD=93=E8=BD=AC=E6=8D=A2=E6=96=B9=E6=B3=95=E5=
=8F=82=E8=A7=81=E6=B8=B8=E6=88=8F=E7=BC=96=E7=A8=8B=E7=B2=BE=E7=B2=B9=EF=BC=
=91=E4=B8=AD=E7=9A=84=EF=BC=92.7=E5=92=8C2.8=E7=AB=A0=E3=80=82=E5=9C=A8D3=
D=E4=B8=AD=E5=9B=9B=E5=85=83=E6=95=B0=E7=9A=84=E5=85=B8=E5=9E=8B=E5=BA=94=
=E7=94=A8=E6=98=AF=E5=9C=A8=E4=B8=80=E4=B8=AA=E5=81=8F=E8=88=AA=EF=BC=8C=E4=
=BF=AF=E4=BB=B0=EF=BC=8C=E6=A8=AA=E6=BB=9A=E7=B3=BB=E7=BB=9F=E4=B8=AD(=20
yaw, pitch, roll=20
=
)=E3=80=82=E5=A6=82=E6=9E=9C=E7=94=B1=E9=94=AE=E7=9B=98=E6=8E=A7=E5=88=B6=
=E4=B8=80=E6=9E=B6=E9=A3=9E=E6=9C=BA=E7=9A=84=E5=81=8F=E8=88=AA=EF=BC=8C=E4=
=BF=AF=E4=BB=B0=E4=BB=A5=E5=8F=8A=E6=A8=AA=E6=BB=9A=EF=BC=8C=E6=88=91=E4=BB=
=AC=E5=B0=B1=E5=8F=AF=E4=BB=A5=E7=94=A8=E5=9B=9B=E5=85=83=E6=95=B0=E8=AE=A1=
=E7=AE=97=E5=8F=96=E4=BB=A3=E7=9F=A9=E9=98=B5=E8=AE=A1=E7=AE=97=E3=80=82=E4=
=BB=8E=E7=94=A8=E6=88=B7=E7=9A=84=E9=94=AE=E7=9B=98=E4=B8=AD=E5=BE=97=E5=88=
=B0=E9=A3=9E=E6=9C=BA=E7=9A=84=E5=81=8F=E8=88=AA=E8=A7=92=E5=BA=A6=E4=B8=BA=
yaw=EF=BC=8C=E4=BF=AF=E4=BB=B0=E8=A7=92=E5=BA=A6=E4=B8=BApitch=EF=BC=8C=E6=
=A8=AA=E6=BB=9A=E8=A7=92=E5=BA=A6=E4=B8=BAroll=EF=BC=8C=E9=82=A3=E4=B9=88=
=E4=BE=BF=E5=8F=AF=E4=BB=A5=E9=80=9A=E8=BF=87D3DXQuaternionRotationYawPit=
chRoll(=20
D3DQUATERNION * pOut, FLOAT yaw, FLOAT pitch, FLOAT=20
=
roll)=E6=9D=A5=E8=8E=B7=E5=BE=97=E7=9B=B8=E5=BA=94=E7=9A=84=E5=9B=9B=E5=85=
=83=E6=95=B0pOut=E3=80=82=E7=84=B6=E5=90=8E=E7=94=A8=E5=9B=9B=E5=85=83=E6=
=95=B0=E7=9A=84=E4=B9=98=E6=B3=95=E6=93=8D=E4=BD=9C=E5=8F=96=E4=BB=A3=E7=9F=
=A9=E9=98=B5=E7=9A=84=E4=B9=98=E6=B3=95=E6=93=8D=E4=BD=9C=E3=80=82=E5=9B=9B=
=E5=85=83=E6=95=B0=E4=B9=98=E6=B3=95=E6=93=8D=E4=BD=9CQ=3Dq1*q2=E7=9A=84=E6=
=84=8F=E4=B9=89=E6=98=AF=E7=BB=95=E8=BD=B42=E6=97=8B=E8=BD=AC=E6=9F=90=E8=
=A7=92=E5=BA=A6=EF=BC=8C=E7=84=B6=E5=90=8E=E5=86=8D=E7=BB=95=E8=BD=B41=E6=
=97=8B=E8=BD=AC=E6=9F=90=E8=A7=92=E5=BA=A6=E3=80=82=E5=B0=86=E6=9C=80=E7=BB=
=88=E5=BE=97=E5=88=B0=E7=9A=84=E5=9B=9B=E5=85=83=E6=95=B0=E7=BB=93=E6=9E=9C=
=E5=BA=94=E7=94=A8=E4=BA=8ED3DXMatrixRotationQuaternion(=20
D3DXMatrix *pOut, CONST D3DXQUATERNION=20
=
*pQ)=E5=B0=B1=E8=83=BD=E5=BE=97=E5=88=B0=E6=9C=80=E7=BB=88=E7=9F=A9=E9=98=
=B5pOut=E4=BA=86=E3=80=82=E5=8F=A6=E5=A4=96=E5=B8=B8=E7=94=A8=E7=9A=84=E5=
=9B=9B=E5=85=83=E6=95=B0=E6=93=8D=E4=BD=9C=E5=87=BD=E6=95=B0=E8=BF=98=E6=9C=
=89=E5=9B=9B=E5=85=83=E6=95=B0=E7=9A=84=E5=BD=92=E4=B8=80D3DXQUATERNIONNo=
rmalize=EF=BC=8C=E5=9B=9B=E5=85=83=E6=95=B0=E4=B9=98=E6=B3=95D3DXQUATERNI=
ONMultiply=E3=80=82</DIV>
<DIV> </DIV>
<DIV><STRONG>=E8=A7=82=E5=AF=9F=E5=8F=98=E6=8D=A2</STRONG></DIV>
<DIV><STRONG></STRONG></DIV>
=
<DIV>=E3=80=80=E3=80=80=E8=A7=82=E5=AF=9F=E5=8F=98=E6=8D=A2=E9=80=9A=E5=B8=
=B8=E7=94=A8=E4=BA=8E=E6=8F=8F=E8=BF=B0=E4=B8=80=E4=B8=AA=E8=A7=82=E5=AF=9F=
=E8=80=85=E5=9C=A8=E5=9C=BA=E6=99=AF=E4=B8=AD=E7=9A=84=E4=BD=8D=E7=BD=AE=E5=
=92=8C=E6=9C=9D=E5=90=91=E3=80=82=E5=8F=AF=E4=BB=A5=E7=94=A8=E7=85=A7=E7=9B=
=B8=E6=9C=BA=E7=9C=8B=E5=9C=BA=E6=99=AF=E7=9A=84=E4=BE=8B=E5=AD=90=E6=9D=A5=
=E6=8F=8F=E8=BF=B0=E8=BF=99=E7=A7=8D=E5=8F=98=E6=8D=A2=E3=80=82=E8=A7=82=E5=
=AF=9F=E5=8F=98=E6=8D=A2=E5=8F=AF=E4=BB=A5=E9=80=9A=E8=BF=87=E4=B8=80=E4=B8=
=AA=E8=A7=82=E5=AF=9F=E5=8F=98=E6=8D=A2=E7=9F=A9=E9=98=B5=E6=9D=A5=E8=A1=A8=
=E7=A4=BA=E3=80=82=E4=B8=96=E7=95=8C=E7=9F=A9=E9=98=B5=E4=BB=A5=E8=A1=8C=E7=
=9A=84=E6=AC=A1=E5=BA=8F=E5=AD=98=E5=82=A8=E5=90=91=E9=87=8F=E7=9A=84=E6=9C=
=9D=E5=90=91=EF=BC=8C=E8=80=8C=E8=A7=82=E5=AF=9F=E7=9F=A9=E9=98=B5=E5=88=99=
=E4=BB=A5=E5=88=97=E7=9A=84=E6=AC=A1=E5=BA=8F=E5=AD=98=E5=82=A8=E3=80=82D=
3D=E4=B8=AD=E6=8F=90=E4=BE=9B=E4=BA=86=E4=B8=80=E7=A7=8D=E6=AF=94=E8=BE=83=
=E7=AE=80=E5=8D=95=E7=9A=84=E8=A7=82=E5=AF=9F=E7=9F=A9=E9=98=B5=E8=8E=B7=E5=
=8F=96=E6=96=B9=E5=BC=8F=EF=BC=8C=E5=8D=B3=E8=B0=83=E7=94=A8D3DXMatrixLoo=
kAtLH=E3=80=82=E8=BF=99=E4=B8=AA=E5=87=BD=E6=95=B0=E5=BF=85=E9=A1=BB=E8=A6=
=81=E4=BC=A0=E8=BF=9B=E5=8E=BB=E4=B8=89=E4=B8=AA=E5=90=91=E9=87=8F=EF=BC=8C=
=E5=AE=83=E4=BB=AC=E5=88=86=E5=88=AB=E5=AE=9A=E4=B9=89=E4=BA=86=E7=85=A7=E7=
=9B=B8=E6=9C=BA=E6=89=80=E5=9C=A8=E7=82=B9eye=EF=BC=8C=E7=85=A7=E7=9B=B8=E6=
=9C=BA=E6=8B=8D=E6=91=84=E7=89=A9=E4=BD=93=E4=BD=8D=E7=BD=AEat=EF=BC=8C=E5=
=92=8C=E4=B8=8A=E6=96=B9=E5=90=91=E9=87=8Fup=E3=80=82=E8=BF=94=E5=9B=9E=E7=
=9A=84=E7=9F=A9=E9=98=B5=E7=AC=AC=E4=B8=80=E5=88=97=E5=89=8D=E4=B8=89=E4=B8=
=AA=E5=80=BC=E5=AD=98=E5=82=A8=E4=BA=86up=E5=90=91=E9=87=8F=EF=BC=8C=E7=AC=
=AC=E4=BA=8C=E5=88=97=E7=9A=84=E5=89=8D3=E4=B8=AA=E5=80=BC=E5=AD=98=E5=82=
=A8=E4=BA=86Right=E5=90=91=E9=87=8F=EF=BC=8C=E7=AC=AC=E4=B8=89=E5=88=97=E7=
=9A=84=E5=89=8D3=E4=B8=AA=E5=80=BC=E5=AD=98=E5=82=A8=E4=BA=86Look=E5=90=91=
=E9=87=8F=E3=80=82D3DXMatrixLookAtLH=E9=80=82=E5=90=88=E7=94=A8=E4=BA=8E=E8=
=B7=9F=E9=9A=8F=E5=BC=8F=E7=85=A7=E7=9B=B8=E6=9C=BA=EF=BC=8C=E5=AF=B9=E4=BA=
=8E=E5=A4=AA=E7=A9=BA=E5=B0=84=E5=87=BB=E6=B8=B8=E6=88=8F=E6=88=96=E8=80=85=
=E9=A3=9E=E8=A1=8C=E6=A8=A1=E6=8B=9F=E5=99=A8=E5=B0=B1=E4=B8=8D=E9=80=82=E5=
=90=88=E4=BA=86=E3=80=82=E8=A7=A3=E5=86=B3=E5=8A=9E=E6=B3=95=E6=9C=89=E4=B8=
=A4=E4=B8=AA=EF=BC=8C=E4=B8=80=E6=98=AF=E5=B0=86=E7=85=A7=E7=9B=B8=E6=9C=BA=
=E7=BB=95=E5=90=91=E9=87=8F=E6=97=8B=E8=BD=AC=EF=BC=8C=E4=BA=8C=E6=98=AF=E4=
=BD=BF=E7=94=A8=E5=9B=9B=E5=85=83=E6=95=B0=E5=B0=86=E7=85=A7=E7=9B=B8=E6=9C=
=BA=E7=BB=95=E4=BB=BB=E6=84=8F=E8=BD=B4=E6=97=8B=E8=BD=AC=E3=80=82</DIV>&=
nbsp;</DIV>
<DIV></DIV>
<DIV>Example=20
=
1<SPAN> A=20
plain=E2=80=99s Simple Transform</SPAN></DIV>
<DIV align=3Dleft> </DIV>
<DIV =
align=3Dleft>=E5=B0=86=E5=B9=B3=E9=9D=A2=E5=81=9A=E6=88=90=E4=B8=80=E4=B8=
=AA=E5=AF=B9=E8=B1=A1=EF=BC=8C=E4=BB=A5=E7=AE=80=E5=8C=96=E4=B8=BB=E5=9B=9E=
=E8=B0=83=E5=87=BD=E6=95=B0=E7=9A=84=E9=80=BB=E8=BE=91</DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: blue">#include</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt"> "dxstdafx.h"</SPAN></DIV>
<DIV align=3Dleft> </DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: 9pt; COLOR: green">// =
Plain vertex=20
struct</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: blue">struct</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">PlainVertex</SPAN></DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: 9pt">{</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
black">FLOAT</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">x</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">, <SPAN style=3D"COLOR: black">y</SPAN>, =
<SPAN=20
style=3D"COLOR: black">z</SPAN>;</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
black">FLOAT</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">tu</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">, <SPAN=20
style=3D"COLOR: black">tv</SPAN>;</SPAN></DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -