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13
14<h1 align="left">tg-light-fx</h1>
15
16<h2>Description</h2>
17<p>This program performs some effects using texgen by vertex normals. There are three effects currently implemented. One is a cheap cartoon outline effect. The other two are textured specular highlight using two different types of texgen matrices.</p>
18
19<h2>Coverage</h2>
20<TABLE border="1" cellpadding="3" cellspacing="0.1" width="640">
21  <tr>
22<TD width="30%" bgcolor="#C0C0C0"><EM><STRONG>Functions</STRONG></EM></TD>
23<TD width="25%" bgcolor="#C0C0C0"><EM><STRONG>Parameters</STRONG></EM></TD>
24<TD width="45%" bgcolor="#C0C0C0"><EM><STRONG>Description</STRONG></EM></TD>
25    </tr>
26  <tr>
27<TD width="30%" rowspan="3"><a href="../../../gx/Transform/GXLoadTexMtxImm.html"><code>GXLoadTexMtxImm</code></a></TD>
28<TD width="25%"><SPAN class="argument">Matrices</SPAN></TD>
29<TD width="45%">Appropriate projection matrix.</TD>
30    </tr>
31  <tr>
32<TD width="25%"><SPAN class="argument">Matrix destination.</SPAN></TD>
33<TD width="45%"><CODE>GX_TEXMTX0</CODE></TD>
34    </tr>
35  <tr>
36<TD width="25%"><SPAN class="argument">Types</SPAN></TD>
37<TD width="45%"><strong><CODE>GX_MTX2x4</CODE></strong></TD>
38    </tr>
39  <tr>
40<TD width="30%" rowspan="4"><a href="../../../gx/TexCoordGen/GXSetTexCoordGen.html"><code>GXSetTexCoordGen</code></a></TD>
41<TD width="25%"><SPAN class="argument">Destination coordinates.</SPAN></TD>
42<TD width="45%"><CODE><font face="Courier New">GX_TEXCOORD0</font>.</CODE></TD>
43    </tr>
44  <tr>
45<TD width="25%"><SPAN class="argument">Generation type.</SPAN></TD>
46<TD width="45%"><strong><CODE>GX_TG_MTX2x4</CODE></strong></TD>
47    </tr>
48  <tr>
49<TD width="25%"><SPAN class="argument">Generation source.</SPAN></TD>
50<TD width="45%"><strong><CODE>GX_TG_NRM</CODE></strong></TD>
51    </tr>
52  <tr>
53<TD width="25%"><SPAN class="argument">Matrix source.</SPAN></TD>
54<TD width="45%"><CODE>GX_TEXMTX0</CODE></TD>
55    </tr>
56  <tr>
57<TD width="30%" rowspan="5"><a href="../../../gx/Texture/GXInitTexObj.html"><code>GXInitTexObj</code></a></TD>
58<TD width="25%"><SPAN class="argument">Image pointer.</SPAN></TD>
59<TD width="45%">Appropriate value.</TD>
60    </tr>
61  <tr>
62<TD width="25%"><SPAN class="argument">Width and height</SPAN></TD>
63<TD width="45%">Appropriate value.</TD>
64    </tr>
65  <tr>
66<TD width="25%"><SPAN class="argument">format</SPAN></TD>
67<TD width="45%"><CODE>GX_TF_IA8</CODE>, <CODE>GX_TF_IA4</CODE></TD>
68    </tr>
69  <tr>
70<TD width="25%"><SPAN class="argument">Wrap mode (s, t).</SPAN></TD>
71<TD width="45%">Always <CODE>GX_CLAMP</CODE>.</TD>
72    </tr>
73  <tr>
74<TD width="25%"><SPAN class="argument">Mipmap</SPAN></TD>
75<TD width="45%">Always <CODE>GX_FALSE</CODE>.</TD>
76    </tr>
77  <tr>
78<TD width="30%"><a href="../../../gx/Texture/GXLoadTexObj.html"><code><CODE>GXLoadTexObj</CODE></code></a></TD>
79<TD width="25%"><SPAN class="argument">Destination texture name.</SPAN></TD>
80<TD width="45%"><CODE>GX_TEXMAP0</CODE></TD>
81    </tr>
82  <tr>
83<TD width="30%" rowspan="2"><a href="../../../gx/Tev/GXSetTevOp.html"><code>GXSetTevOp</code></a></TD>
84<TD width="25%"><SPAN class="argument">TEV stage ID.</SPAN></TD>
85<TD width="45%">Always <CODE>GX_TEVSTAGE0</CODE>.</TD>
86    </tr>
87  <tr>
88<TD width="25%"><SPAN class="argument">Operation mode</SPAN></TD>
89<TD width="45%">Always <CODE>GX_DECAL</CODE>.</TD>
90    </tr>
91</TABLE>
92
93<h2>Using the Demo</h2>
94<p>START exits the test.</p>
95<p>The Control Stick moves the light position.<br>The C Stick rotates the object.<br></p>
96<p>The A Button changes the effect mode.</p>
97
98<p>The B Button hides the light direction mark.</p>
99
100<p>The L/R buttons tune parameters for the current effect.</p>
101
102<h2>Snap Shots</h2>
103<p>Cheap cartoon outline.</p>
104<P><IMG src="./images/tg-light-fx-0.jpg" alt="tg-light-fx-0.jpg (6022 bytes)" width="320" height="240"></p>
105
106<p>Specular highlight by 1D texgen.</p>
107<P><IMG src="./images/tg-light-fx-1.jpg" alt="tg-light-fx-1.jpg (7491 bytes)" width="320" height="240"></p>
108
109<p>Specular highlight by 2D texgen.</p>
110<P><IMG src="./images/tg-light-fx-2.jpg" alt="tg-light-fx-2.jpg (6747 bytes)" width="320" height="240"></p>
111
112<h2>Data Files Required</h2>
113<p>None.</p>
114
115<H2>Revision History</H2>
116<P>
1172006/03/01 Initial version.<br>
118</P>
119
120<hr><p>CONFIDENTIAL</p></body>
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