📄 directx sdk 2006学习笔记6——光照和材质.mht
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<DIV>=E3=80=80=E3=80=80Diffuse, Ambient,=20
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Specular=E5=88=86=E5=88=AB=E4=BB=A3=E8=A1=A8=E8=BF=99=E4=B8=89=E7=A7=8D=E5=
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<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: =
9pt">=E3=80=80=E3=80=80</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DMATERIAL9 blueMaterial;</SPAN></DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: =
9pt">=E3=80=80=E3=80=80</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">=E2=80=A6</SPAN></DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: =
9pt">=E3=80=80=E3=80=80</SPAN><SPAN=20
style=3D"FONT-SIZE: =
9pt">Device->SetMaterial(&blueMaterial)</SPAN></DIV>
<DIV align=3Dleft> </DIV>
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=BA=BF=E5=92=8C=E9=9D=A2=E6=B3=95=E7=BA=BF=E6=9D=A5=E8=A7=A3=E5=86=B3=E5=85=
=89=E7=85=A7=E9=97=AE=E9=A2=98=E3=80=82=E9=9D=A2=E6=B3=95=E7=BA=BF=E6=8F=8F=
=E8=BF=B0=E4=BA=86=E4=B8=80=E4=B8=AA=E5=A4=9A=E8=BE=B9=E5=BD=A2=E7=9A=84=E6=
=9C=9D=E5=90=91=EF=BC=8C=E9=A1=B6=E7=82=B9=E6=B3=95=E7=BA=BF=E7=9A=84=E6=9C=
=9D=E5=90=91=E5=8F=AF=E4=BB=A5=E8=87=AA=E5=B7=B1=E5=AE=9A=E4=B9=89=E3=80=82=
D3D=E5=BF=85=E9=A1=BB=E7=9F=A5=E9=81=93=E9=A1=B6=E7=82=B9=E6=B3=95=E7=BA=BF=
=E7=9A=84=E6=96=B9=E5=90=91=E4=BB=A5=E4=BE=BF=E8=AE=A1=E7=AE=97=E5=AE=83=E7=
=9A=84=E5=8F=8D=E5=B0=84=E5=85=89=E3=80=82</DIV>
=
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=84=E6=97=B6=E5=80=99=E5=8F=AF=E4=BB=A5=E5=8A=A0=E5=85=A5=E9=A1=B6=E7=82=B9=
=E6=B3=95=E7=BA=BF=E7=9A=84=E6=9C=9D=E5=90=91=E3=80=82</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">struct Vertex</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">{</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float _x, _y, _z;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float _nx, _ny, _nz;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">static const DWORD FVF;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">}</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">const DWORD Vertex::FVF =3D D3DFVF_XYZ |=20
D3DFVF_NORMAL;</SPAN></DIV>
=
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=E4=BA=86=EF=BC=8C=E5=9B=A0=E4=B8=BA=E6=88=91=E4=BB=AC=E9=9C=80=E8=A6=81=E6=
=A0=B9=E6=8D=AE=E6=9D=90=E8=B4=A8=E5=92=8C=E6=B3=95=E7=BA=BF=E4=BF=A1=E6=81=
=AF=E8=87=AA=E5=B7=B1=E8=AE=A1=E7=AE=97=E5=8F=8D=E5=B0=84=E5=85=89=E3=80=82=
=E7=AE=80=E5=8D=95=E7=9A=84=E5=9B=BE=E5=BD=A2=E5=8F=AF=E4=BB=A5=E7=94=B1=E8=
=A7=82=E5=AF=9F=E5=BE=97=E5=88=B0=E9=A1=B6=E7=82=B9=E6=B3=95=E7=BA=BF=E7=9A=
=84=E4=BF=A1=E6=81=AF=EF=BC=8C=E4=BD=86=E6=98=AF=E5=A4=8D=E6=9D=82=E7=9A=84=
=E5=9B=BE=E5=BD=A2=E9=9C=80=E8=A6=81=E9=80=9A=E8=BF=87=E8=AE=A1=E7=AE=97=E5=
=BE=97=E5=88=B0=E3=80=82=E4=B8=80=E7=A7=8D=E8=AE=A1=E7=AE=97=E6=96=B9=E6=B3=
=95=E6=98=AF=E5=B0=86=E9=A1=B6=E7=82=B9=E6=B3=95=E7=BA=BF=E7=AD=89=E5=90=8C=
=E4=BA=8E=E9=9D=A2=E6=B3=95=E7=BA=BF=E3=80=82=E5=AF=B9=E4=BA=8E=E4=B8=80=E4=
=B8=AA=E4=B8=89=E8=A7=92=E5=BD=A2=E6=9D=A5=E8=AF=B4=EF=BC=8C=E5=8F=AA=E8=A6=
=81=E5=8F=89=E7=A7=AF=E7=9A=84=E6=96=B9=E5=BC=8F=E6=B1=82=E5=87=BA=E9=9D=A2=
=E5=8F=91=E7=8E=B0=E5=8D=B3=E5=8F=AF=E3=80=82=E5=8F=A6=E4=B8=80=E7=A7=8D=E6=
=9B=B4=E7=A7=91=E5=AD=A6=E7=9A=84=E6=96=B9=E6=B3=95=E6=98=AF=E6=B3=95=E7=BA=
=BF=E5=B9=B3=E5=9D=87=E6=B3=95=E3=80=82=E4=BE=8B=E5=A6=82=E4=B8=89=E6=A3=B1=
=E9=94=A5=E7=9A=84=E6=83=85=E5=86=B5=EF=BC=8C=E6=9C=80=E4=B8=8A=E9=9D=A2=E9=
=82=A3=E4=B8=AA=E9=A1=B6=E7=82=B9=E7=9A=84=E6=B3=95=E7=BA=BFVn=E6=98=AF=E7=
=94=B1=E5=8C=85=E5=90=AB=E7=9D=80=E4=B8=AA=E5=AE=9A=E7=82=B9=E7=9A=84=E4=B8=
=89=E4=B8=AA=E4=BE=A7=E9=9D=A2=E7=9A=84=E6=B3=95=E7=BA=BFV1,=20
V2, =
V3=E5=B9=B3=E5=9D=87=E6=95=B0=E5=86=B3=E5=AE=9A=E7=9A=84=E3=80=82=E5=8D=B3=
Vn=3D(V1+V2+V3)/3=E3=80=82=E5=89=8D=E9=9D=A2=E5=AD=A6=E8=BF=87=E7=94=B1=E4=
=BA=8E=E7=9F=A9=E9=98=B5=E8=BD=AC=E6=8D=A2=E5=8F=AF=E8=83=BD=E4=BC=9A=E5=AF=
=BC=E8=87=B4=E6=B3=95=E7=BA=BF=E4=B8=8D=E5=81=8F=E7=A7=BB=E7=9A=84=E7=8E=B0=
=E8=B1=A1=EF=BC=8C=E6=88=91=E4=BB=AC=E5=8F=AF=E4=BB=A5=E9=80=9A=E8=BF=87<=
/DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt">Device->SetRenderState(D3DRS_NORMALIZENORMALS,=20
true);</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" =
align=3Dleft>=E6=9D=A5=E9=87=8D=E6=96=B0=E5=BD=92=E4=B8=80(Renormalize)=E6=
=B3=95=E7=BA=BF=E3=80=82</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft> </DIV>
<DIV style=3D"TEXT-INDENT: 21pt"=20
=
align=3Dleft>D3D=E4=B8=AD=E7=9A=84=E5=85=89=E6=BA=90=E6=9C=893=E7=A7=8D=E7=
=B1=BB=E5=9E=8B=EF=BC=9A=E7=82=B9=E5=85=89=E6=BA=90=EF=BC=88=E5=90=91=E5=9B=
=9B=E5=91=A8=E5=8F=91=E5=B0=84=E7=9A=84=E5=85=89=E6=BA=90=EF=BC=89=EF=BC=8C=
=E5=B9=B3=E8=A1=8C=E5=85=89=E6=BA=90=EF=BC=8C=E9=94=A5=E5=BD=A2=E5=85=89=E6=
=BA=90=EF=BC=88=E7=B1=BB=E4=BC=BC=E4=BA=8E=E7=94=B5=E7=AD=92=E5=85=89=EF=BC=
=89=E3=80=82=E5=9C=A8=E9=94=A5=E5=BD=A2=E5=85=89=E6=BA=90=E4=B8=AD=E6=9C=89=
=E4=B8=A4=E4=B8=AA=E8=A7=92=E5=BA=A6=E6=9D=A5=E6=8F=8F=E8=BF=B0=E5=85=B6=E5=
=A4=A7=E5=B0=8F=EF=BC=8C=E4=B8=80=E4=B8=AA=E6=8F=8F=E8=BF=B0=E5=86=85=E9=94=
=A5=EF=BC=8C=E4=B8=80=E4=B8=AA=E6=8F=8F=E8=BF=B0=E5=A4=96=E9=94=A5=E3=80=82=
D3D=E4=B8=AD=E6=8F=8F=E8=BF=B0=E5=85=89=E6=BA=90=E7=9A=84=E7=BB=93=E6=9E=84=
=E6=98=AFD3DLIGHT9=EF=BC=9A</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">typedef struct _D3DLIGHT9 {</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DLIGHTTYPE Type;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DCOLORVALUE Diffuse;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DCOLORVALUE Specular;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DCOLORVALUE Ambient;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DVECTOR Position;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">D3DVECTOR Direction;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Range;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Falloff;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Attenuation0;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Attenuation1;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Attenuation2;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Theta;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN=20
style=3D"FONT-SIZE: 9pt">float Phi;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft><SPAN =
style=3D"FONT-SIZE: 9pt">}=20
D3DLIGHT9;</SPAN></DIV>
<DIV style=3D"MARGIN-LEFT: 21pt"=20
=
align=3Dleft>=E5=8F=AF=E4=BB=A5=E9=80=9A=E8=BF=87SetLight=E5=87=BD=E6=95=B0=
=E6=9D=A5=E8=AE=BE=E5=AE=9A=E5=85=89=E6=BA=90=E3=80=82=E5=8F=AF=E4=BB=A5=E9=
=80=9A=E8=BF=87LightEnable=E5=87=BD=E6=95=B0=E6=9D=A5=E6=89=93=E5=BC=80=E5=
=85=B3=E9=97=AD=E5=85=89=E6=BA=90=E3=80=82</DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" align=3Dleft> </DIV>
<DIV style=3D"MARGIN-LEFT: 21pt" =
align=3Dleft>=E7=BB=99=E4=B8=80=E4=B8=AA=E7=89=A9=E4=BD=93=E6=B7=BB=E5=8A=
=A0=E5=85=89=E7=85=A7=E5=88=86=E4=B8=BA=E4=BB=A5=E4=B8=8B=E5=87=A0=E6=AD=A5=
=EF=BC=9A</DIV>
<DIV style=3D"MARGIN-LEFT: 39pt; TEXT-INDENT: -18pt; TEXT-ALIGN: =
left"=20
align=3Dleft><SPAN>=E2=91=A0<SPAN=20
style=3D"FONT: 7pt 'Times New Roman'"> =20
</SPAN></SPAN>=E5=90=AF=E7=94=A8=E5=85=89=E7=85=A7</DIV>
<DIV style=3D"MARGIN-LEFT: 39pt; TEXT-INDENT: -18pt; TEXT-ALIGN: =
left"=20
align=3Dleft><SPAN>=E2=91=A1<SPAN=20
style=3D"FONT: 7pt 'Times New Roman'"> =20
=
</SPAN></SPAN>=E4=B8=BA=E6=AF=8F=E4=B8=AA=E7=89=A9=E4=BD=93=E5=88=9B=E5=BB=
=BA=E6=9D=90=E8=B4=A8=EF=BC=8C=E5=B9=B6=E5=9C=A8=E6=B8=B2=E6=9F=93=E5=89=8D=
=E4=B8=BA=E8=BF=99=E4=BA=9B=E7=89=A9=E4=BD=93=E9=85=8D=E4=B8=8A=E6=9D=90=E8=
=B4=A8</DIV>
<DIV style=3D"MARGIN-LEFT: 39pt; TEXT-INDENT: -18pt; TEXT-ALIGN: =
left"=20
align=3Dleft><SPAN>=E2=91=A2<SPAN=20
style=3D"FONT: 7pt 'Times New Roman'"> =20
=
</SPAN></SPAN>=E5=88=9B=E5=BB=BA=E4=B8=80=E4=B8=AA=E6=88=96=E5=A4=9A=E4=B8=
=AA=E5=85=89=E6=BA=90=EF=BC=8C=E8=AE=BE=E7=BD=AE=E5=B9=B6=E5=90=AF=E7=94=A8=
=E5=AE=83=E4=BB=AC</DIV>
<DIV style=3D"MARGIN-LEFT: 39pt; TEXT-INDENT: -18pt; TEXT-ALIGN: =
left"=20
align=3Dleft><SPAN>=E2=91=A3<SPAN=20
style=3D"FONT: 7pt 'Times New Roman'"> =20
=
</SPAN></SPAN>=E5=90=AF=E7=94=A8=E9=99=84=E5=8A=A0=E7=9A=84=E5=85=89=E7=85=
=A7=E7=8A=B6=E6=80=81=EF=BC=8C=E4=BE=8B=E5=A6=82=E9=95=9C=E9=9D=A2=E9=AB=98=
=E5=85=89=E3=80=82</DIV>
<DIV style=3D"MARGIN-LEFT: 39pt; TEXT-INDENT: -18pt; TEXT-ALIGN: =
left"=20
align=3Dleft></DIV>
<DIV style=3D"MARGIN-LEFT: 39pt; TEXT-INDENT: -18pt; TEXT-ALIGN: =
left"=20
=
align=3Dleft>=E8=AE=BE=E5=AE=9A=E5=85=89=E6=BA=90=E6=9C=80=E5=A5=BD=E4=B8=
=8D=E8=A6=81=E6=94=BE=E5=9C=A8OnCreateDevice=E4=B8=AD=EF=BC=8C=E5=9B=A0=E4=
=B8=BA=E5=88=87=E6=8D=A2=E5=85=A8=E5=B1=8F/=E7=AA=97=E5=8F=A3=E6=88=96=E8=
=80=85=E6=94=B9=E5=8F=98=E7=AA=97=E5=8F=A3=E5=A4=A7=E5=B0=8F=E6=97=B6=E4=BC=
=9A=E4=B8=A2=E5=A4=B1=E5=85=89=E6=BA=90=E4=BF=A1=E6=81=AF=E3=80=82=E5=BA=94=
=E6=94=BE=E5=9C=A8OnResetDevice=E4=B8=AD=E3=80=82</DIV>
<DIV align=3Dleft>Example=20
=
1<SPAN> Cube =
Without Lighting</SPAN></DIV>
<DIV=20
=
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=B3=E9=9D=A2=E7=9A=84=E4=BE=8B=E5=AD=90=EF=BC=8C=E7=8E=B0=E5=9C=A8=E4=B8=BA=
=E4=BA=86=E8=A6=81=E4=BD=BF=E7=94=A8=E5=85=89=E7=85=A7=EF=BC=8C=E7=AB=8B=E4=
=BD=93=E7=9A=84=E4=B8=9C=E8=A5=BF=E6=95=88=E6=9E=9C=E5=A5=BD=E4=B8=80=E7=82=
=B9=E3=80=82=E4=B8=8B=E9=9D=A2=E6=98=AF=E4=B8=80=E4=B8=AA=E7=AB=8B=E4=BD=93=
=E6=96=B9=E5=9D=97=E7=9A=84=E4=BE=8B=E5=AD=90=EF=BC=8C=E5=92=8C=E5=B9=B3=E9=
=9D=A2=E7=9A=84=E7=B1=BB=E4=BC=BC=EF=BC=8C=E4=B8=8D=E8=BF=87=E9=A1=B6=E7=82=
=B9=E5=AE=9A=E4=B9=89=E4=B8=AD=E5=A4=9A=E4=BA=86=E9=A1=B6=E7=82=B9=E6=B3=95=
=E7=BA=BF=E3=80=82</DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: 9pt; COLOR: green">//=20
cube.h</SPAN></DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
blue">#ifndef=20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
black">__cubeH__</SPAN></DIV>
<DIV align=3Dleft><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
blue">#define=20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
black">__cubeH__</SPAN></DIV>
<DIV align=3Dleft> </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=20
style=3D"FONT-SIZE: 9pt; COLOR: blue">struct</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">Vertex</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">Vertex</SPAN><SPAN=20
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">Vertex</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">(</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &n=
bsp; =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
blue">float</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">x</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">, <SPAN style=3D"COLOR: =
blue">float</SPAN> <SPAN=20
style=3D"COLOR: black">y</SPAN>, <SPAN style=3D"COLOR: =
blue">float</SPAN>=20
<SPAN style=3D"COLOR: black">z</SPAN>,</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &n=
bsp; =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
blue">float</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">nx</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">, <SPAN style=3D"COLOR: =
blue">float</SPAN> <SPAN=20
style=3D"COLOR: black">ny</SPAN>, <SPAN style=3D"COLOR: =
blue">float</SPAN>=20
<SPAN style=3D"COLOR: black">nz</SPAN>,</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &n=
bsp; =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
blue">float</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">u</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">, <SPAN style=3D"COLOR: =
blue">float</SPAN> <SPAN=20
style=3D"COLOR: black">v</SPAN>)</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> =20
{</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &n=
bsp; =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: black">_x</SPAN><SPAN =
style=3D"FONT-SIZE: 9pt"> =3D </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> =3D=20
<SPAN style=3D"COLOR: black">y</SPAN>; <SPAN=20
style=3D"COLOR: black">_z</SPAN> =3D <SPAN=20
style=3D"COLOR: black">z</SPAN>;</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &n=
bsp; =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: =
black">_nx</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt"> =3D </SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">nx</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">; <SPAN style=3D"COLOR: black">_ny</SPAN> =
=3D <SPAN=20
style=3D"COLOR: black">ny</SPAN>; <SPAN style=3D"COLOR: =
black">_nz</SPAN> =3D=20
<SPAN style=3D"COLOR: black">nz</SPAN>;</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &n=
bsp; =20
</SPAN><SPAN style=3D"FONT-SIZE: 9pt; COLOR: black">_u</SPAN><SPAN =
style=3D"FONT-SIZE: 9pt"> =3D </SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt; COLOR: black">u</SPAN><SPAN=20
style=3D"FONT-SIZE: 9pt">; <SPAN style=3D"COLOR: =
black">_v</SPAN> =3D=20
<SPAN style=3D"COLOR: black">v</SPAN>;</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> =20
}</SPAN></DIV>
<DIV align=3Dleft><SPAN=20
style=3D"FONT-SIZE: =
9pt"> &nb⌨️ 快捷键说明
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