1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META name="GENERATOR" content="Microsoft FrontPage 5.0"> 7<META http-equiv="Content-Style-Type" content="text/css"> 8<LINK rel="stylesheet" type="text/css" href="../../../CSS/revolution.css"> 9<title>lit-basic</title> 10</head> 11 12<body> 13 14<h1 align="left">lit-basic</h1> 15 16 17 18<h2>Description</h2> 19 20<P>This program tests the basic lighting channel controls using one light positioned at the viewpoint and directed down the Z-axis. Three identical models are rendered, each rotating about a different axis. You can select any of the <code>GXDraw*</code> procedural models, change ambient and material register colors, and turn smooth shading on and off.</P> 21<h2>Coverage</h2> 22 23<p>This test uses only the <code><font face="Courier New">GX_COLOR0</font></code> channel.</p> 24<TABLE border="1" cellpadding="3" cellspacing="0.1" width="640"> 25 <tr> 26<TD width="30%" bgcolor="#C0C0C0"><em><strong>Functions</strong></em></TD> 27<TD width="25%" bgcolor="#C0C0C0"><em><strong>Parameters</strong></em></TD> 28<TD width="45%" bgcolor="#C0C0C0"><em><strong>Description</strong></em></TD> 29 </tr> 30 <tr> 31<TD width="30%" rowspan="3"><a href="../../../gx/Lighting/GXSetChanCtrl.html"><code>GXSetChanCtrl</code></a> </TD> 32<TD width="25%"><em><strong><font face="Courier New">Channel enable</font></strong></em></TD> 33<TD width="45%">Channel enable toggled ON/OFF.</TD> 34 </tr> 35 <tr> 36<TD width="25%"><em><strong><font face="Courier New">Material color source</font></strong></em></TD> 37<TD width="45%">Always register source.</TD> 38 </tr> 39 <tr> 40<TD width="25%"><em><strong><font face="Courier New">Ambient color source</font></strong></em></TD> 41<TD width="45%">Always register source.</TD> 42 </tr> 43 <tr> 44<TD width="30%"><a href="../../../gx/Lighting/GXSetChanAmbColor.html"><code>GXSetChanAmbColor</code></a></TD> 45<TD width="25%"><em><strong><font face="Courier New">Ambient color</font></strong></em></TD> 46<TD width="45%">Cycles through 6 colors.</TD> 47 </tr> 48 <tr> 49<TD width="30%"><a href="../../../gx/Lighting/GXSetChanMatColor.html"><code>GXSetChanMatColor</code></a></TD> 50<TD width="25%"><em><strong><font face="Courier New">Material color</font></strong></em></TD> 51<TD width="45%">Cycles through 6 colors.</TD> 52 </tr> 53</TABLE> 54<h2>Operation Method</h2> 55<P>The test prints a menu of choices.</P> 56<P> The X/Y buttons navigate up and down in the menu.</P> 57<P>The L and R Buttons cycle through states of the current menu item. 58</P> 59<P>The A Button dumps the current state settings. 60</P> 61<P>START exits the test.</P> 62<h2>Snapshot</h2> 63 64<P>Channel disabled, material=red, ambient=black, and model type is cylinder.</P> 65<P><IMG src="./images/lit-basic-0.jpg" alt="lit-basic-0.jpg (9916 bytes)" width="640" height="480"></p> 66 67<P>Channel enabled. material=black, ambient=white, and model type is sphere.</P> 68<P><IMG src="./images/lit-basic-1.jpg" alt="lit-basic-1.jpg (6173 bytes)" width="640" height="480"></p> 69 70<P>Channel enabled. material = green, ambient = gray, and model type is torus.</P> 71<P><IMG src="./images/lit-basic-2.jpg" alt="lit-basic-2.jpg (9631 bytes)" width="640" height="480"></p> 72 73<P>Channel enabled. material=white, ambient=blue, and model type is icosahedron.</P> 74<P><IMG src="./images/lit-basic-3.jpg" alt="lit-basic-3.jpg (9904 bytes)" width="640" height="480"></p> 75 76<h2>Required Data Files</h2> 77 78<p>None.</p> 79<H2>Revision History</H2> 80<P>03/01/2006 Initial version.</P> 81</body> 82</html>
