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root/radiance/ray/src/gen/genclock.c
Revision: 2.1
Committed: Thu May 25 16:34:47 1995 UTC (28 years, 9 months ago) by greg
Content type: text/plain
Branch: MAIN
Log Message:
Initial revision

File Contents

# Content
1 /* Copyright (c) 1995 Regents of the University of California */
2
3 #ifndef lint
4 static char SCCSid[] = "$SunId$ LBL";
5 #endif
6
7 /*
8 * Generate an analog clock.
9 */
10
11 #include <stdio.h>
12 #include <math.h>
13 #include <ctype.h>
14
15 #define PI 3.14159265358979323846
16
17 #ifdef DCL_ATOF
18 extern double atof();
19 #endif
20
21 #define FACEBITMAP "clockface.hex"
22
23 char myfacemat[] = "white_plastic";
24 double myfacearg[5] = {.85,.85,.85,0,0};
25 char mycasemat[] = "black_plastic";
26 double mycasearg[5] = {.08,.08,.08,.03,.04};
27 char *facemat = myfacemat;
28 char *casemat = mycasemat;
29 char *name = "clock";
30
31 main(argc, argv)
32 int argc;
33 char *argv[];
34 {
35 int i, j;
36 double hour;
37
38 for (i = 1; i < argc && argv[i][0] == '-'; i++)
39 switch (argv[i][1]) {
40 case 'f':
41 facemat = argv[++i];
42 break;
43 case 'c':
44 casemat = argv[++i];
45 break;
46 case 'n':
47 name = argv[++i];
48 break;
49 default:
50 goto userr;
51 }
52 if (i >= argc)
53 goto userr;
54 if (!isdigit(argv[i][0]))
55 goto userr;
56 for (j = 1; isdigit(argv[i][j]); j++)
57 ;
58 if (argv[i][j] == ':')
59 hour = atoi(argv[i]) + atoi(argv[i]+j+1)/60.0;
60 else if (!argv[i][j] || argv[i][j] == '.')
61 hour = atof(argv[i]);
62 else
63 goto userr;
64 putchar('#'); /* print header */
65 for (i = 0; i < argc; i++) {
66 putchar(' ');
67 fputs(argv[i], stdout);
68 }
69 putchar('\n');
70 genmats(); /* print materials */
71 genclock(); /* generate clock */
72 genhands(hour); /* generate hands */
73 exit(0);
74 userr:
75 fputs("Usage: ", stderr);
76 fputs(argv[0], stderr);
77 fputs(" [-f face_mat][-c case_mat][-n name] {HH:MM | HH.hh}\n", stderr);
78 exit(1);
79 }
80
81
82 genmats() /* put out our materials */
83 {
84 if (facemat == myfacemat)
85 printf("\nvoid plastic %s\n0\n0\n5 %f %f %f %f %f\n",
86 myfacemat, myfacearg[0], myfacearg[1],
87 myfacearg[2], myfacearg[3], myfacearg[4]);
88 if (casemat == mycasemat)
89 printf("\nvoid plastic %s\n0\n0\n5 %f %f %f %f %f\n",
90 mycasemat, mycasearg[0], mycasearg[1],
91 mycasearg[2], mycasearg[3], mycasearg[4]);
92 printf("\n%s brighttext clock_face_paint\n2 hexbit4x1.fnt %s\n",
93 facemat, FACEBITMAP);
94 printf("0\n11\n\t0\t-1\t1\n\t0\t.0185\t0\n\t0\t0\t-.00463\n");
95 printf("\t.02\t1\n");
96 printf("\nvoid glass clock_crystal\n0\n0\n3 .95 .95 .95\n");
97 printf("\nvoid plastic hand_paint\n0\n0\n5 .03 .03 .03 0 0\n");
98 }
99
100
101 genclock() /* put out clock body */
102 {
103 printf("\n%s ring %s.case_back\n", casemat, name);
104 printf("0\n0\n8\t0\t0\t0\n\t-1\t0\t0\n\t0\t1.1\n");
105 printf("\n%s cylinder %s.case_outer\n", casemat, name);
106 printf("0\n0\n7\t0\t0\t0\n\t.12\t0\t0\n\t1.1\n");
107 printf("\n%s ring %s.case_front\n", casemat, name);
108 printf("0\n0\n8\t.12\t0\t0\n\t1\t0\t0\n\t1\t1.1\n");
109 printf("\n%s cylinder %s.case_inner\n", casemat, name);
110 printf("0\n0\n7\t.05\t0\t0\n\t.15\t0\t0\n\t1\n");
111 printf("\nclock_crystal ring %s.crystal\n", name);
112 printf("0\n0\n8\t.10\t0\t0\n\t1\t0\t0\n\t0\t1\n");
113 printf("\nclock_face_paint ring %s.face\n", name);
114 printf("0\n0\n8\t.05\t0\t0\n\t1\t0\t0\n\t0\t1\n");
115 }
116
117
118 genhands(hour) /* generate correct hand positions */
119 double hour;
120 {
121 double hrot, mrot;
122
123 hrot = 2.*PI/12. * hour;
124 mrot = 2.*PI * (hour - floor(hour));
125
126 printf("\nhand_paint polygon %s.hour_hand\n", name);
127 printf("0\n0\n12\n");
128 rvert(.06, -.03, -.03, hrot);
129 rvert(.06, .03, -.03, hrot);
130 rvert(.06, .025, .5, hrot);
131 rvert(.06, -.025, .5, hrot);
132
133 printf("\nhand_paint polygon %s.minute_hand\n", name);
134 printf("0\n0\n12\n");
135 rvert(.07, -.02, -.04, mrot);
136 rvert(.07, .02, -.04, mrot);
137 rvert(.07, .01, .9, mrot);
138 rvert(.07, -.01, .9, mrot);
139 }
140
141
142 rvert(x, y, z, ang) /* print rotated vertex */
143 double x, y, z, ang;
144 {
145 double sa, ca;
146
147 sa = sin(-ang);
148 ca = cos(-ang);
149 printf("%15.12g %15.12g %15.12g\n", x, y*ca-z*sa, z*ca+y*sa);
150 }