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📄 mt0540.htm

📁 详细介绍Java 3D编程的一本电子书
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<!-- Created by mktalk.pl on 5/4/99 at 4:41:12 PM -->
<TITLE>Using texture modes</TITLE>
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<CENTER>Controlling the appearance of textures</CENTER>
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<CENTER><B><I>Using texture modes</I></B></CENTER>
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<th><FONT SIZE=+2 COLOR=#FFFFFF>Mode</FONT></TH>
<th><FONT SIZE=+2 COLOR=#FFFFFF>Result color</FONT></TH>
<th><FONT SIZE=+2 COLOR=#FFFFFF>Result transparency</FONT></TH>
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<td><b><B><TT><FONT COLOR=#00FF00 SIZE=+2>REPLACE</FONT></TT></B></b></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>T<SUB>rgb</SUB></FONT></FONT></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>T<SUB>a</SUB></FONT></FONT></TD>
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<td><b><B><TT><FONT COLOR=#00FF00 SIZE=+2>DECAL</FONT></TT></B></b></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>S<SUB>rgb</SUB>*(1-T<SUB>a</SUB>)+T<SUB>rgb</SUB>*T<SUB>a</SUB></YELLOW></FONT></FONT></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>S<SUB>a</SUB></YELLOW></FONT></FONT></TD>
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<td><b><B><TT><FONT COLOR=#00FF00 SIZE=+2>MODULATE</FONT></TT></B></b></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>S<SUB>rgb</SUB>*T<SUB>rgb</SUB></FONT></FONT></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>S<SUB>a</SUB>*T<SUB>a</SUB></FONT></FONT></TD>
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<td><b><B><TT><FONT COLOR=#00FF00 SIZE=+2>BLEND</FONT></TT></B></b></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>S<SUB>rgb</SUB>*(1-T<SUB>rgb</SUB>)+B<SUB>rgb</SUB>*T<SUB>rgb</SUB></FONT></FONT></TD>
<td><FONT SIZE=+2 COLOR=#FFFFFF><FONT COLOR=#FFFF00>S<SUB>a</SUB>*T<SUB>a</SUB></FONT></FONT></TD>
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<p>
<DD><LI>Where:
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<DD><TT><FONT COLOR=#FFFF00>S<SUB>rgb</SUB></FONT></TT>
	is the color of the shape being texture mapped

<DD><TT><FONT COLOR=#FFFF00>S<SUB>a</SUB></FONT></TT>
	is the alpha of the shape being texture mapped

<DD><TT><FONT COLOR=#FFFF00>T<SUB>rgb</SUB></FONT></TT> is the texture pixel color

<DD><TT><FONT COLOR=#FFFF00>T<SUB>a</SUB></FONT></TT> is the texture pixel alpha

<DD><TT><FONT COLOR=#FFFF00>B<SUB>rgb</SUB></FONT></TT> is the shape blend color

<DD><TT><FONT COLOR=#FFFF00>B<SUB>a</SUB></FONT></TT> is the shape blend alpha
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