1 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
---|
2 | <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> |
---|
3 | <title>Indirect Environment Mapping: EnvMap.cpp File Reference</title> |
---|
4 | <link href="doxygen.css" rel="stylesheet" type="text/css"> |
---|
5 | </head><body> |
---|
6 | <!-- Generated by Doxygen 1.4.2 --> |
---|
7 | <div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a></div> |
---|
8 | <h1>EnvMap.cpp File Reference</h1><code>#include "dxstdafx.h"</code><br> |
---|
9 | <code>#include "<a class="el" href="resource_8h.html">resource.h</a>"</code><br> |
---|
10 | <code>#include <time.h></code><br> |
---|
11 | <code>#include "<a class="el" href="_cube_8h.html">Cube.h</a>"</code><br> |
---|
12 | <code>#include "<a class="el" href="_mesh_8h.html">Mesh.h</a>"</code><br> |
---|
13 | <code>#include "<a class="el" href="_parameters_8h.html">Parameters.h</a>"</code><br> |
---|
14 | <code>#include "<a class="el" href="_env_map_8h.html">EnvMap.h</a>"</code><br> |
---|
15 | <table border="0" cellpadding="0" cellspacing="0"> |
---|
16 | <tr><td></td></tr> |
---|
17 | <tr><td colspan="2"><br><h2>Defines</h2></td></tr> |
---|
18 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a0">MESH0</a> L"Media\\Objects\\room.x"</td></tr> |
---|
19 | |
---|
20 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a1">MESH1</a> L"Media\\Objects\\sphere.x"</td></tr> |
---|
21 | |
---|
22 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a2">MESH2</a> L"Media\\Objects\\column.x"</td></tr> |
---|
23 | |
---|
24 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a3">MESH3</a> L"Media\\Objects\\teapot.x"</td></tr> |
---|
25 | |
---|
26 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a4">MESH4</a> L"Media\\Objects\\ring.x"</td></tr> |
---|
27 | |
---|
28 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a5">MESH5</a> L"Media\\Objects\\lamp01.x"</td></tr> |
---|
29 | |
---|
30 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a6">MESH6</a> L"Media\\Objects\\happy.x"</td></tr> |
---|
31 | |
---|
32 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a7">MESH7</a> L"Media\\Objects\\dragon.x"</td></tr> |
---|
33 | |
---|
34 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a8">MESH8</a> L"Media\\Objects\\bunny.x"</td></tr> |
---|
35 | |
---|
36 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a9">MESH9</a> L"Media\\Objects\\skullocc.x"</td></tr> |
---|
37 | |
---|
38 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a10">TEX0</a> L"Media\\Maps\\white.png"</td></tr> |
---|
39 | |
---|
40 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a11">TEX1</a> L"Media\\Maps\\pixel-grid-gy.png"</td></tr> |
---|
41 | |
---|
42 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a12">TEX2</a> L"Media\\Maps\\fire.jpg"</td></tr> |
---|
43 | |
---|
44 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a13">ROOM_TEXTURE</a> L"Media\\Maps\\pixel-grid-b.png"</td></tr> |
---|
45 | |
---|
46 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a14">CUBEMAP_SIZE</a> 128</td></tr> |
---|
47 | |
---|
48 | <tr><td class="mdescLeft"> </td><td class="mdescRight">size of the cube map taken from the reference point of the object <a href="#a14"></a><br></td></tr> |
---|
49 | <tr><td class="memItemLeft" nowrap align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a15">M</a> 10</td></tr> |
---|
50 | |
---|
51 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Number of samples when precomputing geometric factors. <a href="#a15"></a><br></td></tr> |
---|
52 | <tr><td colspan="2"><br><h2>Functions</h2></td></tr> |
---|
53 | <tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a19">eval</a> (float cos_theta, float dw)</td></tr> |
---|
54 | |
---|
55 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Calculates the reflectivity integral for a given texel. <a href="#a19"></a><br></td></tr> |
---|
56 | <tr><td class="memItemLeft" nowrap align="right" valign="top">float </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a20">evaluate</a> (float dx, float dy)</td></tr> |
---|
57 | |
---|
58 | <tr><td colspan="2"><br><h2>Variables</h2></td></tr> |
---|
59 | <tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a16">LR_CUBEMAP_SIZE</a> = 2</td></tr> |
---|
60 | |
---|
61 | <tr><td class="mdescLeft"> </td><td class="mdescRight">size of the cube map for diffuse/glossy reflections <a href="#a16"></a><br></td></tr> |
---|
62 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="class_parameters.html">Parameters</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a17">pp</a></td></tr> |
---|
63 | |
---|
64 | <tr><td class="mdescLeft"> </td><td class="mdescRight">HELPER CLASS TO MANAGE VARIOUS PARAMETERS. <a href="#a17"></a><br></td></tr> |
---|
65 | <tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="_env_map_8cpp.html#a18">bPreproc</a> = false</td></tr> |
---|
66 | |
---|
67 | </table> |
---|
68 | <hr><h2>Define Documentation</h2> |
---|
69 | <a class="anchor" name="a14" doxytag="EnvMap.cpp::CUBEMAP_SIZE"></a><p> |
---|
70 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
71 | <tr> |
---|
72 | <td class="mdRow"> |
---|
73 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
74 | <tr> |
---|
75 | <td class="md" nowrap valign="top">#define CUBEMAP_SIZE 128 </td> |
---|
76 | </tr> |
---|
77 | </table> |
---|
78 | </td> |
---|
79 | </tr> |
---|
80 | </table> |
---|
81 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
82 | <tr> |
---|
83 | <td> |
---|
84 | |
---|
85 | </td> |
---|
86 | <td> |
---|
87 | |
---|
88 | <p> |
---|
89 | size of the cube map taken from the reference point of the object |
---|
90 | <p> |
---|
91 | </td> |
---|
92 | </tr> |
---|
93 | </table> |
---|
94 | <a class="anchor" name="a15" doxytag="EnvMap.cpp::M"></a><p> |
---|
95 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
96 | <tr> |
---|
97 | <td class="mdRow"> |
---|
98 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
99 | <tr> |
---|
100 | <td class="md" nowrap valign="top">#define M 10 </td> |
---|
101 | </tr> |
---|
102 | </table> |
---|
103 | </td> |
---|
104 | </tr> |
---|
105 | </table> |
---|
106 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
107 | <tr> |
---|
108 | <td> |
---|
109 | |
---|
110 | </td> |
---|
111 | <td> |
---|
112 | |
---|
113 | <p> |
---|
114 | Number of samples when precomputing geometric factors. |
---|
115 | <p> |
---|
116 | </td> |
---|
117 | </tr> |
---|
118 | </table> |
---|
119 | <a class="anchor" name="a0" doxytag="EnvMap.cpp::MESH0"></a><p> |
---|
120 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
121 | <tr> |
---|
122 | <td class="mdRow"> |
---|
123 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
124 | <tr> |
---|
125 | <td class="md" nowrap valign="top">#define MESH0 L"Media\\Objects\\room.x" </td> |
---|
126 | </tr> |
---|
127 | </table> |
---|
128 | </td> |
---|
129 | </tr> |
---|
130 | </table> |
---|
131 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
132 | <tr> |
---|
133 | <td> |
---|
134 | |
---|
135 | </td> |
---|
136 | <td> |
---|
137 | |
---|
138 | <p> |
---|
139 | </td> |
---|
140 | </tr> |
---|
141 | </table> |
---|
142 | <a class="anchor" name="a1" doxytag="EnvMap.cpp::MESH1"></a><p> |
---|
143 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
144 | <tr> |
---|
145 | <td class="mdRow"> |
---|
146 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
147 | <tr> |
---|
148 | <td class="md" nowrap valign="top">#define MESH1 L"Media\\Objects\\sphere.x" </td> |
---|
149 | </tr> |
---|
150 | </table> |
---|
151 | </td> |
---|
152 | </tr> |
---|
153 | </table> |
---|
154 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
155 | <tr> |
---|
156 | <td> |
---|
157 | |
---|
158 | </td> |
---|
159 | <td> |
---|
160 | |
---|
161 | <p> |
---|
162 | </td> |
---|
163 | </tr> |
---|
164 | </table> |
---|
165 | <a class="anchor" name="a2" doxytag="EnvMap.cpp::MESH2"></a><p> |
---|
166 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
167 | <tr> |
---|
168 | <td class="mdRow"> |
---|
169 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
170 | <tr> |
---|
171 | <td class="md" nowrap valign="top">#define MESH2 L"Media\\Objects\\column.x" </td> |
---|
172 | </tr> |
---|
173 | </table> |
---|
174 | </td> |
---|
175 | </tr> |
---|
176 | </table> |
---|
177 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
178 | <tr> |
---|
179 | <td> |
---|
180 | |
---|
181 | </td> |
---|
182 | <td> |
---|
183 | |
---|
184 | <p> |
---|
185 | </td> |
---|
186 | </tr> |
---|
187 | </table> |
---|
188 | <a class="anchor" name="a3" doxytag="EnvMap.cpp::MESH3"></a><p> |
---|
189 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
190 | <tr> |
---|
191 | <td class="mdRow"> |
---|
192 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
193 | <tr> |
---|
194 | <td class="md" nowrap valign="top">#define MESH3 L"Media\\Objects\\teapot.x" </td> |
---|
195 | </tr> |
---|
196 | </table> |
---|
197 | </td> |
---|
198 | </tr> |
---|
199 | </table> |
---|
200 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
201 | <tr> |
---|
202 | <td> |
---|
203 | |
---|
204 | </td> |
---|
205 | <td> |
---|
206 | |
---|
207 | <p> |
---|
208 | </td> |
---|
209 | </tr> |
---|
210 | </table> |
---|
211 | <a class="anchor" name="a4" doxytag="EnvMap.cpp::MESH4"></a><p> |
---|
212 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
213 | <tr> |
---|
214 | <td class="mdRow"> |
---|
215 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
216 | <tr> |
---|
217 | <td class="md" nowrap valign="top">#define MESH4 L"Media\\Objects\\ring.x" </td> |
---|
218 | </tr> |
---|
219 | </table> |
---|
220 | </td> |
---|
221 | </tr> |
---|
222 | </table> |
---|
223 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
224 | <tr> |
---|
225 | <td> |
---|
226 | |
---|
227 | </td> |
---|
228 | <td> |
---|
229 | |
---|
230 | <p> |
---|
231 | </td> |
---|
232 | </tr> |
---|
233 | </table> |
---|
234 | <a class="anchor" name="a5" doxytag="EnvMap.cpp::MESH5"></a><p> |
---|
235 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
236 | <tr> |
---|
237 | <td class="mdRow"> |
---|
238 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
239 | <tr> |
---|
240 | <td class="md" nowrap valign="top">#define MESH5 L"Media\\Objects\\lamp01.x" </td> |
---|
241 | </tr> |
---|
242 | </table> |
---|
243 | </td> |
---|
244 | </tr> |
---|
245 | </table> |
---|
246 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
247 | <tr> |
---|
248 | <td> |
---|
249 | |
---|
250 | </td> |
---|
251 | <td> |
---|
252 | |
---|
253 | <p> |
---|
254 | </td> |
---|
255 | </tr> |
---|
256 | </table> |
---|
257 | <a class="anchor" name="a6" doxytag="EnvMap.cpp::MESH6"></a><p> |
---|
258 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
259 | <tr> |
---|
260 | <td class="mdRow"> |
---|
261 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
262 | <tr> |
---|
263 | <td class="md" nowrap valign="top">#define MESH6 L"Media\\Objects\\happy.x" </td> |
---|
264 | </tr> |
---|
265 | </table> |
---|
266 | </td> |
---|
267 | </tr> |
---|
268 | </table> |
---|
269 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
270 | <tr> |
---|
271 | <td> |
---|
272 | |
---|
273 | </td> |
---|
274 | <td> |
---|
275 | |
---|
276 | <p> |
---|
277 | </td> |
---|
278 | </tr> |
---|
279 | </table> |
---|
280 | <a class="anchor" name="a7" doxytag="EnvMap.cpp::MESH7"></a><p> |
---|
281 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
282 | <tr> |
---|
283 | <td class="mdRow"> |
---|
284 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
285 | <tr> |
---|
286 | <td class="md" nowrap valign="top">#define MESH7 L"Media\\Objects\\dragon.x" </td> |
---|
287 | </tr> |
---|
288 | </table> |
---|
289 | </td> |
---|
290 | </tr> |
---|
291 | </table> |
---|
292 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
293 | <tr> |
---|
294 | <td> |
---|
295 | |
---|
296 | </td> |
---|
297 | <td> |
---|
298 | |
---|
299 | <p> |
---|
300 | </td> |
---|
301 | </tr> |
---|
302 | </table> |
---|
303 | <a class="anchor" name="a8" doxytag="EnvMap.cpp::MESH8"></a><p> |
---|
304 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
305 | <tr> |
---|
306 | <td class="mdRow"> |
---|
307 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
308 | <tr> |
---|
309 | <td class="md" nowrap valign="top">#define MESH8 L"Media\\Objects\\bunny.x" </td> |
---|
310 | </tr> |
---|
311 | </table> |
---|
312 | </td> |
---|
313 | </tr> |
---|
314 | </table> |
---|
315 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
316 | <tr> |
---|
317 | <td> |
---|
318 | |
---|
319 | </td> |
---|
320 | <td> |
---|
321 | |
---|
322 | <p> |
---|
323 | </td> |
---|
324 | </tr> |
---|
325 | </table> |
---|
326 | <a class="anchor" name="a9" doxytag="EnvMap.cpp::MESH9"></a><p> |
---|
327 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
328 | <tr> |
---|
329 | <td class="mdRow"> |
---|
330 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
331 | <tr> |
---|
332 | <td class="md" nowrap valign="top">#define MESH9 L"Media\\Objects\\skullocc.x" </td> |
---|
333 | </tr> |
---|
334 | </table> |
---|
335 | </td> |
---|
336 | </tr> |
---|
337 | </table> |
---|
338 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
339 | <tr> |
---|
340 | <td> |
---|
341 | |
---|
342 | </td> |
---|
343 | <td> |
---|
344 | |
---|
345 | <p> |
---|
346 | </td> |
---|
347 | </tr> |
---|
348 | </table> |
---|
349 | <a class="anchor" name="a13" doxytag="EnvMap.cpp::ROOM_TEXTURE"></a><p> |
---|
350 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
351 | <tr> |
---|
352 | <td class="mdRow"> |
---|
353 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
354 | <tr> |
---|
355 | <td class="md" nowrap valign="top">#define ROOM_TEXTURE L"Media\\Maps\\pixel-grid-b.png" </td> |
---|
356 | </tr> |
---|
357 | </table> |
---|
358 | </td> |
---|
359 | </tr> |
---|
360 | </table> |
---|
361 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
362 | <tr> |
---|
363 | <td> |
---|
364 | |
---|
365 | </td> |
---|
366 | <td> |
---|
367 | |
---|
368 | <p> |
---|
369 | </td> |
---|
370 | </tr> |
---|
371 | </table> |
---|
372 | <a class="anchor" name="a10" doxytag="EnvMap.cpp::TEX0"></a><p> |
---|
373 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
374 | <tr> |
---|
375 | <td class="mdRow"> |
---|
376 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
377 | <tr> |
---|
378 | <td class="md" nowrap valign="top">#define TEX0 L"Media\\Maps\\white.png" </td> |
---|
379 | </tr> |
---|
380 | </table> |
---|
381 | </td> |
---|
382 | </tr> |
---|
383 | </table> |
---|
384 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
385 | <tr> |
---|
386 | <td> |
---|
387 | |
---|
388 | </td> |
---|
389 | <td> |
---|
390 | |
---|
391 | <p> |
---|
392 | </td> |
---|
393 | </tr> |
---|
394 | </table> |
---|
395 | <a class="anchor" name="a11" doxytag="EnvMap.cpp::TEX1"></a><p> |
---|
396 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
397 | <tr> |
---|
398 | <td class="mdRow"> |
---|
399 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
400 | <tr> |
---|
401 | <td class="md" nowrap valign="top">#define TEX1 L"Media\\Maps\\pixel-grid-gy.png" </td> |
---|
402 | </tr> |
---|
403 | </table> |
---|
404 | </td> |
---|
405 | </tr> |
---|
406 | </table> |
---|
407 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
408 | <tr> |
---|
409 | <td> |
---|
410 | |
---|
411 | </td> |
---|
412 | <td> |
---|
413 | |
---|
414 | <p> |
---|
415 | </td> |
---|
416 | </tr> |
---|
417 | </table> |
---|
418 | <a class="anchor" name="a12" doxytag="EnvMap.cpp::TEX2"></a><p> |
---|
419 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
420 | <tr> |
---|
421 | <td class="mdRow"> |
---|
422 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
423 | <tr> |
---|
424 | <td class="md" nowrap valign="top">#define TEX2 L"Media\\Maps\\fire.jpg" </td> |
---|
425 | </tr> |
---|
426 | </table> |
---|
427 | </td> |
---|
428 | </tr> |
---|
429 | </table> |
---|
430 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
431 | <tr> |
---|
432 | <td> |
---|
433 | |
---|
434 | </td> |
---|
435 | <td> |
---|
436 | |
---|
437 | <p> |
---|
438 | </td> |
---|
439 | </tr> |
---|
440 | </table> |
---|
441 | <hr><h2>Function Documentation</h2> |
---|
442 | <a class="anchor" name="a19" doxytag="EnvMap.cpp::eval"></a><p> |
---|
443 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
444 | <tr> |
---|
445 | <td class="mdRow"> |
---|
446 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
447 | <tr> |
---|
448 | <td class="md" nowrap valign="top">float eval </td> |
---|
449 | <td class="md" valign="top">( </td> |
---|
450 | <td class="md" nowrap valign="top">float </td> |
---|
451 | <td class="mdname" nowrap> <em>cos_theta</em>, </td> |
---|
452 | </tr> |
---|
453 | <tr> |
---|
454 | <td class="md" nowrap align="right"></td> |
---|
455 | <td class="md"></td> |
---|
456 | <td class="md" nowrap>float </td> |
---|
457 | <td class="mdname" nowrap> <em>dw</em></td> |
---|
458 | </tr> |
---|
459 | <tr> |
---|
460 | <td class="md"></td> |
---|
461 | <td class="md">) </td> |
---|
462 | <td class="md" colspan="2"></td> |
---|
463 | </tr> |
---|
464 | </table> |
---|
465 | </td> |
---|
466 | </tr> |
---|
467 | </table> |
---|
468 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
469 | <tr> |
---|
470 | <td> |
---|
471 | |
---|
472 | </td> |
---|
473 | <td> |
---|
474 | |
---|
475 | <p> |
---|
476 | Calculates the reflectivity integral for a given texel. |
---|
477 | <p> |
---|
478 | The angle between the surface normal and texel center is described by cos_theta and the solid angle occupied by the texel is denoted by dw.<p> |
---|
479 | Instead of evaluating the reflectivity integral with only one sample belongig to the texel center (that would give us a result of cos_theta x dw), we use 2 <a class="el" href="_env_map_8cpp.html#a15">M</a> x 2 <a class="el" href="_env_map_8cpp.html#a15">M</a> x <a class="el" href="_env_map_8cpp.html#a15">M</a> regulary spaced samples, and discard those that lie outside the unit hemisphere. The remaining samples are regulary distributed over the hemisphere.<p> |
---|
480 | For each sample, we check if it lies inside the cone of the specified solid angle. If yes, its contribution is considered. </td> |
---|
481 | </tr> |
---|
482 | </table> |
---|
483 | <a class="anchor" name="a20" doxytag="EnvMap.cpp::evaluate"></a><p> |
---|
484 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
485 | <tr> |
---|
486 | <td class="mdRow"> |
---|
487 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
488 | <tr> |
---|
489 | <td class="md" nowrap valign="top">float evaluate </td> |
---|
490 | <td class="md" valign="top">( </td> |
---|
491 | <td class="md" nowrap valign="top">float </td> |
---|
492 | <td class="mdname" nowrap> <em>dx</em>, </td> |
---|
493 | </tr> |
---|
494 | <tr> |
---|
495 | <td class="md" nowrap align="right"></td> |
---|
496 | <td class="md"></td> |
---|
497 | <td class="md" nowrap>float </td> |
---|
498 | <td class="mdname" nowrap> <em>dy</em></td> |
---|
499 | </tr> |
---|
500 | <tr> |
---|
501 | <td class="md"></td> |
---|
502 | <td class="md">) </td> |
---|
503 | <td class="md" colspan="2"></td> |
---|
504 | </tr> |
---|
505 | </table> |
---|
506 | </td> |
---|
507 | </tr> |
---|
508 | </table> |
---|
509 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
510 | <tr> |
---|
511 | <td> |
---|
512 | |
---|
513 | </td> |
---|
514 | <td> |
---|
515 | |
---|
516 | <p> |
---|
517 | </td> |
---|
518 | </tr> |
---|
519 | </table> |
---|
520 | <hr><h2>Variable Documentation</h2> |
---|
521 | <a class="anchor" name="a18" doxytag="EnvMap.cpp::bPreproc"></a><p> |
---|
522 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
523 | <tr> |
---|
524 | <td class="mdRow"> |
---|
525 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
526 | <tr> |
---|
527 | <td class="md" nowrap valign="top">bool <a class="el" href="_env_map_8cpp.html#a18">bPreproc</a> = false </td> |
---|
528 | </tr> |
---|
529 | </table> |
---|
530 | </td> |
---|
531 | </tr> |
---|
532 | </table> |
---|
533 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
534 | <tr> |
---|
535 | <td> |
---|
536 | |
---|
537 | </td> |
---|
538 | <td> |
---|
539 | |
---|
540 | <p> |
---|
541 | </td> |
---|
542 | </tr> |
---|
543 | </table> |
---|
544 | <a class="anchor" name="a16" doxytag="EnvMap.cpp::LR_CUBEMAP_SIZE"></a><p> |
---|
545 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
546 | <tr> |
---|
547 | <td class="mdRow"> |
---|
548 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
549 | <tr> |
---|
550 | <td class="md" nowrap valign="top">int <a class="el" href="_env_map_8fx.html#a9">LR_CUBEMAP_SIZE</a> = 2 </td> |
---|
551 | </tr> |
---|
552 | </table> |
---|
553 | </td> |
---|
554 | </tr> |
---|
555 | </table> |
---|
556 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
557 | <tr> |
---|
558 | <td> |
---|
559 | |
---|
560 | </td> |
---|
561 | <td> |
---|
562 | |
---|
563 | <p> |
---|
564 | size of the cube map for diffuse/glossy reflections |
---|
565 | <p> |
---|
566 | </td> |
---|
567 | </tr> |
---|
568 | </table> |
---|
569 | <a class="anchor" name="a17" doxytag="EnvMap.cpp::pp"></a><p> |
---|
570 | <table class="mdTable" cellpadding="2" cellspacing="0"> |
---|
571 | <tr> |
---|
572 | <td class="mdRow"> |
---|
573 | <table cellpadding="0" cellspacing="0" border="0"> |
---|
574 | <tr> |
---|
575 | <td class="md" nowrap valign="top"><a class="el" href="class_parameters.html">Parameters</a> <a class="el" href="_main_8cpp.html#a7">pp</a> </td> |
---|
576 | </tr> |
---|
577 | </table> |
---|
578 | </td> |
---|
579 | </tr> |
---|
580 | </table> |
---|
581 | <table cellspacing="5" cellpadding="0" border="0"> |
---|
582 | <tr> |
---|
583 | <td> |
---|
584 | |
---|
585 | </td> |
---|
586 | <td> |
---|
587 | |
---|
588 | <p> |
---|
589 | HELPER CLASS TO MANAGE VARIOUS PARAMETERS. |
---|
590 | <p> |
---|
591 | </td> |
---|
592 | </tr> |
---|
593 | </table> |
---|
594 | <hr size="1"><address style="align: right;"><small>Generated on Wed Aug 23 00:00:39 2006 for Indirect Environment Mapping by |
---|
595 | <a href="http://www.doxygen.org/index.html"> |
---|
596 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.2 </small></address> |
---|
597 | </body> |
---|
598 | </html> |
---|