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13
14<h1 align="left">tg-light-fx</h1>
15
16
17
18<h2>Description</h2>
19
20<p>This program performs some effects using texgen by vertex normals. There are three effects currently implemented. The one is a cheap cartoon outline effect. Others are textured specular highlight using two different types of texgen matrices.</p>
21
22<h2>Coverage</h2>
23<TABLE border="1" cellpadding="3" cellspacing="0.1" width="640">
24  <tr>
25<TD width="30%" bgcolor="#C0C0C0"><EM><STRONG>Functions</STRONG></EM></TD>
26<TD width="25%" bgcolor="#C0C0C0"><EM><STRONG>Parameters</STRONG></EM></TD>
27<TD width="45%" bgcolor="#C0C0C0"><EM><STRONG>Description</STRONG></EM></TD>
28    </tr>
29  <tr>
30<TD width="30%" rowspan="3"><a href="../../../gx/Transform/GXLoadTexMtxImm.html"><code>GXLoadTexMtxImm</code></a></TD>
31<TD width="25%">Matrices</TD>
32<TD width="45%">Appropriate projection matrix.</TD>
33    </tr>
34  <tr>
35<TD width="25%">Matrix destination.</TD>
36<TD width="45%"><FONT face="Courier New">GX_TEXMTX0</FONT></TD>
37    </tr>
38  <tr>
39<TD width="25%">Types</TD>
40<TD width="45%"><strong><FONT face="Courier New">GX_MTX2x4</FONT></strong></TD>
41    </tr>
42  <tr>
43<TD width="30%" rowspan="4"><a href="../../../gx/TexCoordGen/GXSetTexCoordGen.html"><code>GXSetTexCoordGen</code></a></TD>
44<TD width="25%">destination coord</TD>
45<TD width="45%"><FONT face="Courier New">GX_TEXCOORD0</FONT></TD>
46    </tr>
47  <tr>
48<TD width="25%">Generation type.</TD>
49<TD width="45%"><strong><FONT face="Courier New">GX_TG_MTX2x4</FONT></strong></TD>
50    </tr>
51  <tr>
52<TD width="25%">Generation source.</TD>
53<TD width="45%"><strong><FONT face="Courier New">GX_TG_NRM</FONT></strong></TD>
54    </tr>
55  <tr>
56<TD width="25%">Matrix source.</TD>
57<TD width="45%"><FONT face="Courier New">GX_TEXMTX0</FONT></TD>
58    </tr>
59  <tr>
60<TD width="30%" rowspan="5"><a href="../../../gx/Texture/GXInitTexObj.html"><code>GXInitTexObj</code></a></TD>
61<TD width="25%">Image pointer.</TD>
62<TD width="45%">Appropriate value.</TD>
63    </tr>
64  <tr>
65<TD width="25%">Width and height</TD>
66<TD width="45%">Appropriate value.</TD>
67    </tr>
68  <tr>
69<TD width="25%">Format</TD>
70<TD width="45%"><CODE>GX_TF_IA8</CODE>, <CODE>GX_TF_IA4</CODE></TD>
71    </tr>
72  <tr>
73<TD width="25%">Wrap mode (s, t).</TD>
74<TD width="45%">Always <CODE>GX_CLAMP</CODE>.</TD>
75    </tr>
76  <tr>
77<TD width="25%">Mipmap</TD>
78<TD width="45%">Always <CODE>GX_FALSE</CODE>.</TD>
79    </tr>
80  <tr>
81<TD width="30%"><a href="../../../gx/Texture/GXLoadTexObj.html"><code>GXLoadTexObj</code></a></TD>
82<TD width="25%">Destination texture name.</TD>
83<TD width="45%"><FONT face="Courier New">GX_TEXMAP0</FONT></TD>
84    </tr>
85  <tr>
86<TD width="30%" rowspan="2"><a href="../../../gx/Tev/GXSetTevOp.html"><code>GXSetTevOp</code></a></TD>
87<TD width="25%">TEV stage ID.</TD>
88<TD width="45%">Always <FONT face="Courier New">GX_TEVSTAGE0</FONT>.</TD>
89    </tr>
90  <tr>
91<TD width="25%">Operation mode</TD>
92<TD width="45%">Always <CODE>GX_DECAL</CODE>.</TD>
93    </tr>
94</TABLE>
95<h2>Operation Method</h2>
96
97<p>START exits the test.</p>
98
99<p>The Control Stick moves the light position.<br>The C Stick rotates the object.<br></p>
100
101<p>The A Button changes the effect mode.</p>
102
103<p>The B Button hides the light direction mark.</p>
104
105<p>The L/R buttons tune parameters for the current effect.</p>
106
107<p></p>
108
109<h2>Snap Shots</h2>
110
111<p>Cheap cartoon outline.</p>
112
113<P><IMG src="./images/tg-light-fx-0.jpg" alt="tg-light-fx-0.jpg (6022 bytes)" width="320" height="240"></p>
114
115<p>Specular highlight by 1D texgen.</p>
116
117<P><IMG src="./images/tg-light-fx-1.jpg" alt="tg-light-fx-1.jpg (7491 bytes)" width="320" height="240"></p>
118
119<p>Specular highlight by 2D texgen.</p>
120
121<P><IMG src="./images/tg-light-fx-2.jpg" alt="tg-light-fx-2.jpg (6747 bytes)" width="320" height="240"></p>
122
123<h2>Data Files Required</h2>
124
125<p>None.</p>
126<H2>Revision History</H2>
127<P>03/01/2006 Initial version.</P>
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