1 /* tangram, Copyright (c) 2005-2014 Jeremy English <jhe@jeremyenglish.org>
3 * Permission to use, copy, modify, distribute, and sell this software
4 * and its documentation for any purpose is hereby granted without
5 * fee, provided that the above copyright notice appear in all copies
6 * and that both that copyright notice and this permission notice
7 * appear in supporting documentation. No representations are made
8 * about the suitability of this software for any purpose. It is
9 * provided "as is" without express or implied warranty.
11 * Sun 10 July 2005 Changed the code that solves the puzzles.
12 * Also, limited the palette and added names.
14 * Wed 13 July 2005 Added option to turn off rotation.
15 * Changed color and materials
19 #define DEFAULTS "*delay: 10000 \n" \
20 "*wireframe: False \n" \
21 "*titleFont: -*-helvetica-medium-r-normal-*-*-180-*-*-*-*-*-*\n" \
22 "*titleFont2: -*-helvetica-medium-r-normal-*-*-120-*-*-*-*-*-*\n" \
23 "*titleFont3: -*-helvetica-medium-r-normal-*-*-80-*-*-*-*-*-*\n" \
25 # define refresh_tangram 0
26 # define release_tangram 0
28 #define countof(x) (sizeof((x))/sizeof((*x)))
30 #include "xlockmore.h"
35 #ifdef USE_GL /* whole file */
39 #include "tangram_shapes.h"
55 coord crd; /* coordinates */
56 GLint r; /* rotation */
57 GLint fr; /* flip Rotate. Used to keep track during animation */
58 GLint dl; /* display List */
59 GLfloat dz; /* velocity */
60 GLfloat ddz; /* Acceleration */
61 GLfloat solved; /* shapes state */
62 Bool up; /* Move up the z axis? */
90 GLXContext *glx_context;
91 tangram_shape tsm1, tsm2, tm, tlg1, tlg2, sq, rh;
92 tangram_shape n_tsm1, n_tsm2, n_tm, n_tlg1, n_tlg2, n_sq, n_rh;
100 texture_font_data *font1_data, *font2_data, *font3_data;
107 } tangram_configuration;
109 static tangram_configuration *tps = NULL;
111 #define DEF_VIEWING_TIME "5"
112 #define DEF_ROTATE "True"
113 #define DEF_X_CAMERA_ROTATE "0.2"
114 #define DEF_Y_CAMERA_ROTATE "0.5"
115 #define DEF_Z_CAMERA_ROTATE "0"
116 #define DEF_LABELS "True"
118 static GLuint viewing_time;
119 static Bool do_rotate;
120 static Bool do_labels;
121 static GLfloat x_camera_rotate;
122 static GLfloat y_camera_rotate;
123 static GLfloat z_camera_rotate;
126 static XrmOptionDescRec opts[] = {
127 {"-viewing_time", ".viewingTime", XrmoptionSepArg, 0},
128 {"-rotate", ".rotate", XrmoptionNoArg, "True"},
129 {"+rotate", ".rotate", XrmoptionNoArg, "False"},
130 {"-labels", ".labels", XrmoptionNoArg, "True"},
131 {"+labels", ".labels", XrmoptionNoArg, "False"},
132 {"-x_camera_rotate", ".xCameraRotate", XrmoptionSepArg, 0},
133 {"-y_camera_rotate", ".yCameraRotate", XrmoptionSepArg, 0},
134 {"-z_camera_rotate", ".zCameraRotate", XrmoptionSepArg, 0}
137 static argtype vars[] = {
138 {&viewing_time, "viewingTime", "ViewingTime", DEF_VIEWING_TIME, t_Int},
139 {&do_rotate, "rotate", "Rotate", DEF_ROTATE, t_Bool},
140 {&do_labels, "labels", "Labels", DEF_LABELS, t_Bool},
141 {&x_camera_rotate, "xCameraRotate", "XCameraRotate", DEF_X_CAMERA_ROTATE, t_Float},
142 {&y_camera_rotate, "yCameraRotate", "YCameraRotate", DEF_Y_CAMERA_ROTATE, t_Float},
143 {&z_camera_rotate, "zCameraRotate", "ZCameraRotate", DEF_Z_CAMERA_ROTATE, t_Float}
146 ENTRYPOINT ModeSpecOpt tangram_opts = { countof(opts), opts, countof(vars), vars, NULL };
148 static const puzzle solved[] = {
150 {{-1.664000, -1.552000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
151 {{-1.696000, 0.944000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
152 {{0.064000, -2.128000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
153 {{-0.960000, -1.056000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, False},
154 {{1.104000, 0.960000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
155 {{-1.376000, -0.800000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
156 {{1.152000, 0.736000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, True},
160 {{-0.016000, 2.176001, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, False},
161 {{0.016000, 2.960001, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
162 {{0.000000, 0.400000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, False},
163 {{-2.015998, 2.208001, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, True},
164 {{2.000001, 2.208001, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
165 {{0.496000, 0.432000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
166 {{-0.016000, -0.672000, 0}, 335, 0, 0, INIT_DZ, -SPEED, 0, False},
170 {{-0.048000, -0.016000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
171 {{0.704000, 0.736000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
172 {{-1.488000, 1.424001, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
173 {{-0.016000, -0.016000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
174 {{0.000000, 0.000000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
175 {{0.688000, 0.720000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
176 {{-0.784000, 0.672000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
180 {{1.248001, 1.759999, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
181 {{1.024000, 3.071999, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
182 {{-0.975999, -2.096001, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
183 {{0.480000, -1.968001, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
184 {{1.056000, -0.496000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
185 {{-0.239999, -1.312001, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
186 {{-0.223999, -1.360001, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
190 {{0.320000, 1.360000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
191 {{0.704000, 3.072000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
192 {{-1.200000, -3.392000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
193 {{0.688000, -1.184000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
194 {{-0.768000, 0.192000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
195 {{-1.168000, -2.304000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
196 {{1.312000, 1.296000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
200 {{-1.391999, 1.424000, 0}, 65, 0, 0, INIT_DZ, -SPEED, 0, False},
201 {{0.768000, 2.000000, 0}, 99, 180, 0, INIT_DZ, -SPEED, 0, True},
202 {{2.688001, -1.872000, 0}, 270, 180, 0, INIT_DZ, -SPEED, 0, False},
203 {{-1.343999, 0.944000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
204 {{0.112000, -0.464000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
205 {{1.984001, -1.120000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
206 {{1.536001, 0.912000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
210 {{1.088000, 0.064001, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
211 {{0.864000, -1.279999, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
212 {{-1.807999, 1.520000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, True},
213 {{1.824001, -1.231998, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
214 {{-0.368000, 1.472000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
215 {{0.832000, -2.271998, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
216 {{1.776001, 0.816000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
220 {{0.416000, -2.432000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
221 {{0.352000, -2.432000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, True},
222 {{0.832000, -0.480000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, False},
223 {{-1.632000, 3.056000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
224 {{-1.616000, 1.040000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
225 {{1.088000, -1.696000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
226 {{0.832000, -0.432000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
230 {{1.264000, -1.232000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
231 {{1.216000, 0.816000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
232 {{-1.631999, 1.872000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
233 {{0.832000, 2.287999, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
234 {{-0.608000, 0.912000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, True},
235 {{2.240001, -0.176000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
236 {{0.256000, -1.200000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
240 {{1.727998, 2.303998, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
241 {{-1.120000, 3.376001, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
242 {{0.879998, -3.008001, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
243 {{-1.072000, 2.559999, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, True},
244 {{-1.440000, 0.144000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
245 {{-0.192001, -2.592001, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
246 {{0.015999, 0.176000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
250 {{-0.400000, 1.744000, 0}, 58, 180, 0, INIT_DZ, -SPEED, 0, True},
251 {{0.704000, 0.128000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
252 {{0.656000, 0.320000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
253 {{-0.112000, -0.384000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
254 {{-0.096000, -0.399999, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
255 {{-0.736000, 0.352000, 0}, 123, 0, 0, INIT_DZ, -SPEED, 0, False},
256 {{-0.336000, 0.352000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
260 {{0.688000, -0.144000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
261 {{-0.080000, 0.592000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
262 {{-0.048000, 0.592000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, False},
263 {{-1.488000, -0.848000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
264 {{1.376000, -0.864000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, False},
265 {{0.688000, -0.128000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
266 {{-1.504000, -0.832000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
270 {{0.624000, -1.776000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, True},
271 {{-0.144000, 0.432000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
272 {{-0.800000, -0.272000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, True},
273 {{-2.320000, -0.304000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
274 {{2.048000, -0.320000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, True},
275 {{-0.112000, 0.480000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
276 {{-0.832000, -0.320000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
280 {{-2.048001, -1.232000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
281 {{0.112000, 0.943999, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
282 {{-1.312001, -0.560000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
283 {{0.496000, 0.656000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
284 {{0.528000, 0.608000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
285 {{-2.048001, -2.704000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
286 {{-1.312001, -0.512000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
290 {{-0.720000, 3.440000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
291 {{0.912000, -1.072000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
292 {{0.736000, 3.440000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
293 {{0.720000, 1.984000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
294 {{-0.672000, 0.544000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, True},
295 {{-0.192000, -3.840000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
296 {{-0.528000, -2.480000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
300 {{1.136000, 2.720000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
301 {{-2.304001, 1.776000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
302 {{-0.256000, 0.288000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
303 {{-0.304000, 0.304000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
304 {{0.096000, -0.128000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, False},
305 {{-0.656000, -2.832000, 0}, 105, 0, 0, INIT_DZ, -SPEED, 0, True},
306 {{0.784000, -0.096000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
310 {{-1.104000, -1.455999, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
311 {{0.912000, -0.447999, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
312 {{-0.048000, -1.471999, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
313 {{-1.136000, -1.439999, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
314 {{0.944000, 1.552000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
315 {{0.912000, 0.560000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
316 {{-0.112000, 1.568000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
320 {{-1.615999, 0.064000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
321 {{-0.592000, 0.112000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
322 {{0.432000, 0.096000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
323 {{-1.679999, -0.880000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
324 {{1.488001, 1.103999, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
325 {{-0.640000, 0.112000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
326 {{1.392001, -0.928000, 0}, 270, 180, 0, INIT_DZ, -SPEED, 0, False},
330 {{2.112000, 1.504000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
331 {{-1.040000, 1.472000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
332 {{0.032000, -1.600000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
333 {{1.056000, 1.504000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
334 {{-0.992000, -0.528000, 0}, 0, 180, 0, INIT_DZ, -SPEED, 0, True},
335 {{2.080000, 0.512000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
336 {{-1.104000, 0.480000, 0}, 270, 180, 0, INIT_DZ, -SPEED, 0, True},
340 {{0.912000, 1.728000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
341 {{-2.623998, -1.040000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
342 {{0.992000, 1.104000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
343 {{0.944000, -0.288000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
344 {{-0.448000, -1.760000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, False},
345 {{-1.887998, -0.368000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
346 {{3.008002, 2.160000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
350 {{0.720000, 0.352000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
351 {{0.672000, -1.568000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
352 {{1.376000, 1.104000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, True},
353 {{-1.151999, 1.488000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
354 {{0.320000, 2.096000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
355 {{0.656000, 0.304000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
356 {{0.624000, -2.559999, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, True},
360 {{-0.144000, 2.576000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
361 {{1.696001, -2.432000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
362 {{2.176001, -0.400000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
363 {{-0.624000, -0.512000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
364 {{-0.576000, -1.152000, 0}, 0, 180, 0, INIT_DZ, -SPEED, 0, False},
365 {{-1.919999, -1.376000, 0}, 303, 0, 0, INIT_DZ, -SPEED, 0, True},
366 {{0.448000, -0.096001, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
370 {{-2.416000, 1.120000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
371 {{-1.952000, -2.016000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
372 {{-1.552000, -0.640000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, True},
373 {{-0.016000, 1.840000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
374 {{1.456000, -1.072000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, True},
375 {{0.848000, -0.816000, 0}, 332, 0, 0, INIT_DZ, -SPEED, 0, False},
376 {{-1.200000, -1.792000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
380 {{-0.304000, -0.352000, 0}, 259, 0, 0, INIT_DZ, -SPEED, 0, False},
381 {{0.304000, -1.344000, 0}, 105, 0, 0, INIT_DZ, -SPEED, 0, True},
382 {{1.312000, -1.024000, 0}, 300, 180, 0, INIT_DZ, -SPEED, 0, False},
383 {{1.952000, 0.240000, 0}, 195, 0, 0, INIT_DZ, -SPEED, 0, True},
384 {{-2.272000, 0.096000, 0}, 11, 180, 0, INIT_DZ, -SPEED, 0, False},
385 {{-0.112000, -1.056000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
386 {{-0.560000, -1.344000, 0}, 281, 180, 0, INIT_DZ, -SPEED, 0, False},
390 {{0.544000, 2.000000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
391 {{0.880000, 0.160000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, False},
392 {{0.656000, -1.503999, 0}, 220, 180, 0, INIT_DZ, -SPEED, 0, True},
393 {{-0.656000, -0.336000, 0}, 50, 0, 0, INIT_DZ, -SPEED, 0, False},
394 {{-0.688000, -0.288000, 0}, 310, 180, 0, INIT_DZ, -SPEED, 0, True},
395 {{0.864000, 1.232000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, False},
396 {{0.496000, 2.016001, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, True},
400 {{-2.016000, 2.080000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
401 {{0.240001, 1.824000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, True},
402 {{2.239999, -0.752000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
403 {{-1.264000, 2.784000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, True},
404 {{-1.248000, 0.736000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
405 {{0.240001, 0.304000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, True},
406 {{0.544000, -2.976001, 0}, 149, 0, 0, INIT_DZ, -SPEED, 0, False},
410 {{1.376000, -1.536001, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
411 {{1.488000, -1.552001, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
412 {{0.352000, -0.048000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
413 {{-2.144000, 2.415999, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
414 {{-2.096000, 0.368000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
415 {{2.144000, -0.800000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
416 {{1.392000, -0.064000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
420 {{2.480000, -0.912000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
421 {{2.592000, -0.928000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
422 {{0.352000, 1.280000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
423 {{-0.688000, 0.336000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
424 {{1.808000, -0.112000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
425 {{3.248000, -0.176000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
426 {{-1.472000, 1.024000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
430 {{-0.943999, -0.304000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
431 {{-0.144000, 0.288000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
432 {{1.360000, -2.304000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
433 {{1.328000, -0.848000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
434 {{1.008000, 1.584000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
435 {{0.512000, 2.688000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
436 {{-0.863999, -0.096000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
440 {{0.703999, -0.160000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
441 {{-0.064000, -0.400000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
442 {{0.767999, -1.408000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
443 {{-1.232000, -1.328000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
444 {{-1.040000, 2.624000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
445 {{-0.288000, 1.264000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
446 {{-1.760001, -1.408000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
450 {{0.272000, 3.392000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
451 {{-0.144000, -1.328000, 0}, 331, 0, 0, INIT_DZ, -SPEED, 0, False},
452 {{1.216001, 0.272000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
453 {{0.736000, 0.208000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
454 {{0.432000, -3.440000, 0}, 151, 0, 0, INIT_DZ, -SPEED, 0, True},
455 {{0.720000, 2.320000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
456 {{-1.263998, 0.272000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
460 {{-1.056000, -3.456000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, False},
461 {{0.736000, 2.000000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
462 {{-1.488000, 1.760000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
463 {{-0.432000, 0.016000, 0}, 0, 180, 0, INIT_DZ, -SPEED, 0, True},
464 {{-0.432000, -0.064000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
465 {{0.560000, -2.576000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
466 {{0.032000, 2.656000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
470 {{-2.800000, -2.304000, 0}, 101, 0, 0, INIT_DZ, -SPEED, 0, True},
471 {{1.888000, 2.032000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, False},
472 {{-1.856000, 2.016000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
473 {{0.352000, -0.144000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, False},
474 {{-2.848000, 0.976000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
475 {{-1.424000, -1.104000, 0}, 236, 0, 0, INIT_DZ, -SPEED, 0, False},
476 {{-1.792000, 2.016000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
480 {{1.263999, 1.600001, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
481 {{1.311999, -1.568000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
482 {{-0.736000, 0.576000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
483 {{-0.736000, -2.591999, 0}, 360, 180, 0, INIT_DZ, -SPEED, 0, True},
484 {{-0.768000, 2.640001, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
485 {{-0.784000, -0.528000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
486 {{-0.736000, 0.496000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
490 {{-0.816000, 1.392000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
491 {{-0.832000, -1.807999, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, False},
492 {{1.216000, -0.752000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
493 {{1.232000, -2.815999, 0}, 270, 180, 0, INIT_DZ, -SPEED, 0, False},
494 {{1.248000, 2.400000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
495 {{-0.864000, 1.392000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
496 {{0.240000, 1.328000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
500 {{0.176000, -2.448000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, False},
501 {{-1.888000, 2.880000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, True},
502 {{-1.856000, 1.824000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, False},
503 {{-1.872000, -1.392000, 0}, 0, 180, 0, INIT_DZ, -SPEED, 0, True},
504 {{1.264000, -0.432000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
505 {{2.320001, -2.432000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
506 {{-1.872000, 1.728000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, False},
510 {{0.928000, 1.664000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
511 {{0.896000, -1.519998, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
512 {{-1.136000, 0.608000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
513 {{-1.152000, -2.559998, 0}, 0, 180, 0, INIT_DZ, -SPEED, 0, False},
514 {{-1.152000, 2.672002, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
515 {{0.960000, -0.384000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
516 {{-1.136000, 0.528000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
520 {{-0.096000, 0.448000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
521 {{0.640000, 2.656000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, True},
522 {{-0.064000, -3.104000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
523 {{-0.767999, 1.184000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, True},
524 {{-0.080000, 0.416000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
525 {{0.416000, -2.064000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
526 {{-0.112000, 3.328001, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
530 {{-0.368000, 0.400000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
531 {{1.871998, -1.808000, 0}, 225, 180, 0, INIT_DZ, -SPEED, 0, False},
532 {{-1.056000, -0.368000, 0}, 0, 0, 0, INIT_DZ, -SPEED, 0, True},
533 {{-1.056000, -1.840000, 0}, 45, 180, 0, INIT_DZ, -SPEED, 0, False},
534 {{-0.352000, 1.440000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, True},
535 {{0.128000, 0.432000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
536 {{1.119999, -1.120000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
540 {{-1.039999, 1.136000, 0}, 360, 0, 0, INIT_DZ, -SPEED, 0, False},
541 {{1.024000, 0.096000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
542 {{-0.016000, 0.048000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
543 {{-0.016000, -1.008000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
544 {{-0.016000, 1.216000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, False},
545 {{1.024000, 0.144000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
546 {{-0.032000, 1.088000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
550 {{-0.688000, 1.904000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
551 {{0.800000, 1.904000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
552 {{0.512000, -1.392000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, True},
553 {{1.488000, 1.120000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, False},
554 {{-1.392000, 1.120000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
555 {{0.496000, -1.312000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
556 {{0.480000, -1.376000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
560 {{-1.055999, -0.800000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, False},
561 {{-1.103999, 0.208000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
562 {{0.000000, -0.784000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
563 {{0.016000, 0.272000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
564 {{-0.032000, 0.288000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
565 {{0.480000, -1.855999, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, True},
566 {{2.096001, 0.224000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
570 {{-2.896000, -0.128000, 0}, 45, 0, 0, INIT_DZ, -SPEED, 0, True},
571 {{-0.800000, 0.992000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, False},
572 {{-1.152000, -0.416000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
573 {{-0.016000, 0.656000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
574 {{1.456000, -0.736000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
575 {{2.864000, 0.736000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
576 {{-0.048000, 1.664000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, True},
580 {{2.944000, -0.288000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, False},
581 {{1.936000, -0.224000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, True},
582 {{-0.112000, 1.808000, 0}, 315, 0, 0, INIT_DZ, -SPEED, 0, False},
583 {{-2.128000, 0.768000, 0}, 90, 180, 0, INIT_DZ, -SPEED, 0, True},
584 {{1.888000, 0.768000, 0}, 180, 180, 0, INIT_DZ, -SPEED, 0, False},
585 {{-0.112000, -0.688000, 0}, 135, 0, 0, INIT_DZ, -SPEED, 0, True},
586 {{-3.184000, -1.216000, 0}, 360, 180, 0, INIT_DZ, -SPEED, 0, False},
589 {"Negative Square", {
590 {{-1.520000, -0.624000, 0}, 270, 0, 0, INIT_DZ, -SPEED, 0, True},
591 {{-1.520000, 0.480000, 0}, 180, 0, 0, INIT_DZ, -SPEED, 0, False},
592 {{2.352000, 0.480000, 0}, 225, 0, 0, INIT_DZ, -SPEED, 0, True},
593 {{-0.080000, -3.040000, 0}, 315, 180, 0, INIT_DZ, -SPEED, 0, False},
594 {{-0.096000, 2.944000, 0}, 135, 180, 0, INIT_DZ, -SPEED, 0, True},
595 {{-2.528000, -0.576000, 0}, 90, 0, 0, INIT_DZ, -SPEED, 0, False},
596 {{1.360000, -1.600000, 0}, 360, 180, INIT_DZ, -SPEED, 0, True},
601 static void get_solved_puzzle(ModeInfo * mi,
602 tangram_shape * tsm1, tangram_shape * tsm2,
603 tangram_shape * tm, tangram_shape * tlg1,
604 tangram_shape * tlg2, tangram_shape * sq,
607 tangram_configuration *tp = &tps[MI_SCREEN(mi)];
608 int sz = sizeof(solved) / sizeof(solved[0]);
611 /* we don't want to see the same puzzle twice */
614 } while (r == tp->csi);
617 *tsm1 = solved[r].ts[small_triangle1];
618 *tsm2 = solved[r].ts[small_triangle2];
619 *tm = solved[r].ts[medium_triangle];
620 *tlg1 = solved[r].ts[large_triangle1];
621 *tlg2 = solved[r].ts[large_triangle2];
622 *sq = solved[r].ts[square];
623 *rh = solved[r].ts[rhomboid];
625 tp->puzzle_name = solved[r].name;
628 static int approach_number(int goal, int current, int step)
633 if (goal > current) {
640 } else if (goal < current) {
652 /* gt - floating point greater than comparison */
653 static Bool gt(GLfloat x1, GLfloat x2, GLfloat per)
655 if ((x1 > x2) && (fabs(x1 - x2) > per))
661 /* lt - floating point less than comparison */
662 static Bool lt(GLfloat x1, GLfloat x2, GLfloat per)
664 if ((x1 < x2) && (fabs(x1 - x2) > per))
670 static GLfloat approach_float(GLfloat goal, GLfloat current,
671 Bool * changed, GLfloat per)
674 if (gt(goal, current, per)) {
677 } else if (lt(goal, current, per)) {
685 static void print_shape(char *s, tangram_shape sh)
687 fprintf(stderr, "%s\n", s);
688 fprintf(stderr, "(%f, %f, %f)\n", sh.crd.x, sh.crd.y, sh.crd.z);
689 fprintf(stderr, "%d\n", sh.r);
690 fprintf(stderr, "%d\n", sh.fr);
691 fprintf(stderr, "\n");
696 static void reset_shape(tangram_shape * ts)
698 GLfloat r = random() % 10;
701 ts->dz = INIT_DZ + f;
705 static void bounce(tangram_shape * ts)
707 ts->crd.z *= -1; /* ignore this */
709 ts->crd.z += ts->dz * SPEED;
710 if (ts->crd.z < BOTTOM) {
714 ts->crd.z *= -1; /* ignore this */
717 static void draw_tangram_shape(tangram_shape ts)
725 glTranslatef(ts.crd.x, ts.crd.y, ts.up ? ts.crd.z : -ts.crd.z);
726 glRotated(90, 1, 0, 0);
727 glRotated(ts.fr, 1, 0, 0);
728 glRotated(ts.r, 0, 1, 0);
733 static void load_fonts(ModeInfo * mi)
735 tangram_configuration *tp = &tps[MI_SCREEN(mi)];
736 tp->font1_data = load_texture_font (mi->dpy, "titleFont");
737 tp->font2_data = load_texture_font (mi->dpy, "titleFont2");
738 tp->font3_data = load_texture_font (mi->dpy, "titleFont3");
741 static void draw_shapes(ModeInfo * mi)
743 tangram_configuration *tp = &tps[MI_SCREEN(mi)];
745 draw_tangram_shape(tp->tsm1);
747 draw_tangram_shape(tp->tsm2);
748 draw_tangram_shape(tp->tm);
749 draw_tangram_shape(tp->tlg1);
750 draw_tangram_shape(tp->tlg2);
751 draw_tangram_shape(tp->sq);
752 draw_tangram_shape(tp->rh);
756 texture_font_data *f;
757 if (MI_WIDTH(mi) >= 500 && MI_HEIGHT(mi) >= 375)
759 else if (MI_WIDTH(mi) >= 350 && MI_HEIGHT(mi) >= 260)
764 glColor3f(0.8, 0.8, 0);
765 print_texture_label (mi->dpy, f,
766 mi->xgwa.width, mi->xgwa.height,
771 static void set_perspective(void)
774 glMatrixMode(GL_PROJECTION);
776 gluPerspective(60, -1, 0.1, 50);
777 gluLookAt(0, 5, -5, 0, 0, 0, 0, -1, 0);
778 glMatrixMode(GL_MODELVIEW);
783 ENTRYPOINT void reshape_tangram(ModeInfo * mi, int w, int h)
785 glViewport(0, 0, w, h);
790 static void set_camera(tangram_configuration *tp)
793 glMatrixMode(GL_PROJECTION);
795 gluPerspective(60, -1, 0.1, 50);
798 gluLookAt(0, 5, -5, 0, 0, 0, 0, -1, 0);
801 glRotatef(tp->theta[0], 1, 0, 0);
802 glRotatef(tp->theta[1], 0, 1, 0);
803 glRotatef(tp->theta[2], 0, 0, 1);
806 glMatrixMode(GL_MODELVIEW);
810 if (tp->going_down[0] && tp->theta[0] < 0) {
812 tp->going_down[0] = False;
813 } else if ((!tp->going_down[0]) && tp->theta[0] > 90) {
815 tp->going_down[0] = True;
818 if (tp->theta[1] > 360.0)
819 tp->theta[1] -= 360.0;
821 if (tp->theta[2] > 360.0)
822 tp->theta[2] -= 360.0;
824 if (tp->going_down[0])
825 tp->theta[0] -= x_camera_rotate;
827 tp->theta[0] += x_camera_rotate;
829 tp->theta[1] += y_camera_rotate;
830 tp->theta[2] += z_camera_rotate;
833 static void init_shapes(ModeInfo * mi)
835 int wire = MI_IS_WIREFRAME(mi);
836 tangram_configuration *tp = &tps[MI_SCREEN(mi)];
837 get_solved_puzzle(mi, &tp->tsm1, &tp->tsm2, &tp->tm, &tp->tlg1,
838 &tp->tlg2, &tp->sq, &tp->rh);
839 get_solved_puzzle(mi, &tp->n_tsm1, &tp->n_tsm2, &tp->n_tm, &tp->n_tlg1,
840 &tp->n_tlg2, &tp->n_sq, &tp->n_rh);
841 tp->tsm1.dl = tangram_get_sm_tri_dl(wire);
842 tp->tsm2.dl = tangram_get_sm_tri_dl(wire);
843 tp->tm.dl = tangram_get_md_tri_dl(wire);
844 tp->tlg1.dl = tangram_get_lg_tri_dl(wire);
845 tp->tlg2.dl = tangram_get_lg_tri_dl(wire);
846 tp->sq.dl = tangram_get_square_dl(wire);
847 tp->rh.dl = tangram_get_rhomboid_dl(wire);
850 static void gl_init(ModeInfo * mi)
853 int wire = MI_IS_WIREFRAME(mi);
855 GLfloat y = do_rotate ? -10 : 3;
856 GLfloat x = do_rotate ? 5 : 10;
857 GLfloat pos[4] = { 0, 0, -5, 1.00 };
858 GLfloat pos2[4] = { 0, 0, 5, 1.00 };
859 GLfloat dif2[4] = { 1, 1, 1, 1 };
868 glEnable(GL_LIGHTING);
869 glLightfv(GL_LIGHT0, GL_POSITION, pos);
872 glLightfv(GL_LIGHT1, GL_POSITION, pos2);
873 glLightfv(GL_LIGHT1, GL_DIFFUSE, dif2);
876 glEnable(GL_DEPTH_TEST);
881 ENTRYPOINT void init_tangram(ModeInfo * mi)
883 tangram_configuration *tp;
886 tps = (tangram_configuration *)
887 calloc(MI_NUM_SCREENS(mi), sizeof(tangram_configuration));
889 fprintf(stderr, "%s: out of memory\n", progname);
894 tp = &tps[MI_SCREEN(mi)];
896 if ((tp->glx_context = init_GL(mi)) != NULL) {
900 reshape_tangram (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
902 wire = MI_IS_WIREFRAME(mi);
907 tp->theta[0] = tp->theta[1] = tp->theta[2] = 1;
911 static Bool all_solved(tangram_shape * ls[])
915 for (i = 0; i < NUM_SHAPES; i++) {
916 b = (b && ls[i]->solved);
921 static void solve(tangram_shape * new_s, tangram_shape * old_s)
923 Bool moved_x, moved_y, moved_r, moved_fr, z_ok;
925 old_s->fr = approach_number(new_s->fr, old_s->fr, 2);
926 moved_fr = (old_s->fr != new_s->fr);
928 old_s->r = approach_number(new_s->r, old_s->r, 2);
929 moved_r = (old_s->r != new_s->r);
932 approach_float(new_s->crd.x, old_s->crd.x, &moved_x, 0.1);
934 old_s->crd.x = new_s->crd.x;
937 approach_float(new_s->crd.y, old_s->crd.y, &moved_y, 0.1);
939 old_s->crd.y = new_s->crd.y;
941 z_ok = (-old_s->crd.z <= BOTTOM);
943 old_s->solved = (moved_x == False && moved_y == False &&
944 moved_r == False && moved_fr == False &&
948 static void set_not_solved(tangram_shape * ls[])
951 for (i = 0; i < NUM_SHAPES; i++)
952 ls[i]->solved = False;
956 ENTRYPOINT void draw_tangram(ModeInfo * mi)
958 Display *dpy = MI_DISPLAY(mi);
959 Window window = MI_WINDOW(mi);
960 tangram_configuration *tp = &tps[MI_SCREEN(mi)];
962 tangram_shape *ls[NUM_SHAPES];
963 tangram_shape *nls[NUM_SHAPES];
969 GLfloat color[4] = { 0.0, 0.0, 0.0, 1.0 };
970 GLfloat white[4] = { 1.0, 1.0, 1.0, 1.0 };
971 MAX_DISPLAY = viewing_time * 100;
973 if (! tp->glx_context)
975 glXMakeCurrent(MI_DISPLAY(mi), MI_WINDOW(mi), *(tp->glx_context));
977 ls[small_triangle1] = &tp->tsm1;
978 ls[small_triangle2] = &tp->tsm2;
979 ls[medium_triangle] = &tp->tm;
980 ls[large_triangle1] = &tp->tlg1;
981 ls[large_triangle2] = &tp->tlg2;
982 ls[square] = &tp->sq;
983 ls[rhomboid] = &tp->rh;
985 nls[small_triangle1] = &tp->n_tsm1;
986 nls[small_triangle2] = &tp->n_tsm2;
987 nls[medium_triangle] = &tp->n_tm;
988 nls[large_triangle1] = &tp->n_tlg1;
989 nls[large_triangle2] = &tp->n_tlg2;
990 nls[square] = &tp->n_sq;
991 nls[rhomboid] = &tp->n_rh;
995 if (tp->display_counter <= 0) {
996 for (i = 0; i < NUM_SHAPES; i++) {
998 if (all_solved(ls)) {
999 tp->display_counter = MAX_DISPLAY;
1000 tp->pn = tp->puzzle_name;
1001 get_solved_puzzle(mi, nls[small_triangle1],
1002 nls[small_triangle2],
1003 nls[medium_triangle],
1004 nls[large_triangle1],
1005 nls[large_triangle2], nls[square],
1009 (XColor *) calloc(tp->ncolors, sizeof(XColor));
1011 make_random_colormap(0, 0, 0,
1012 tp->colors, &tp->ncolors,
1013 True, False, 0, False);
1016 color[0] = tp->colors[0].red / 65536.0;
1017 color[1] = tp->colors[1].green / 65536.0;
1018 color[2] = tp->colors[2].blue / 65536.0;
1021 glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE,
1030 solve(nls[i], ls[i]);
1034 tp->display_counter--;
1037 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
1042 glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, white);
1043 glMateriali(GL_FRONT_AND_BACK, GL_SHININESS, 128);
1047 if (mi->fps_p) do_fps (mi);
1051 glXSwapBuffers(dpy, window);
1055 tangram_handle_event (ModeInfo *mi, XEvent *event)
1057 tangram_configuration *tp = &tps[MI_SCREEN(mi)];
1059 if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
1061 tp->display_counter = 0;
1070 XSCREENSAVER_MODULE ("Tangram", tangram)