first commit
This commit is contained in:
Jose Caban
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-68.6304 -158.377 -40.3368
|
||||
-14.0847 -147.226 32.6165
|
||||
-50.7894 -68.858 -52.4465
|
||||
-48.036 -62.338 -51.2593
|
||||
20.7344 -61.3091 64.1526
|
||||
21.0165 -67.5976 67.1884
|
||||
17.6551 -57.9977 58.3834
|
||||
-51.6825 -57.5524 -40.4779
|
||||
-56.0283 -59.9854 -45.6432
|
||||
-58.7818 -66.5054 -46.8304
|
||||
-76.6227 -156.024 -34.7206
|
||||
3.29093 -156.537 79.2199
|
||||
-3.20781 -144.995 65.1363
|
||||
13.1319 -63.0086 54.0455
|
||||
-22.0771 -144.873 38.2326
|
||||
-5.73733 -62.8875 27.1418
|
||||
BIN
CS4451/proj2/Examples/floppy.t.gz
Normal file
BIN
CS4451/proj2/Examples/floppy.t.gz
Normal file
Binary file not shown.
145454
CS4451/proj2/Examples/horse2.t
Normal file
145454
CS4451/proj2/Examples/horse2.t
Normal file
File diff suppressed because it is too large
Load Diff
BIN
CS4451/proj2/Examples/horse2.t.gz
Normal file
BIN
CS4451/proj2/Examples/horse2.t.gz
Normal file
Binary file not shown.
461
CS4451/proj2/Examples/pawn.t
Normal file
461
CS4451/proj2/Examples/pawn.t
Normal file
@@ -0,0 +1,461 @@
|
||||
304 154
|
||||
|
||||
0 1 2
|
||||
0 2 3
|
||||
0 3 4
|
||||
0 4 5
|
||||
0 5 6
|
||||
0 6 7
|
||||
0 7 8
|
||||
0 8 1
|
||||
1 9 10
|
||||
1 10 2
|
||||
2 10 11
|
||||
2 11 3
|
||||
3 11 12
|
||||
3 12 4
|
||||
4 12 13
|
||||
4 13 5
|
||||
5 13 14
|
||||
5 14 6
|
||||
6 14 15
|
||||
6 15 7
|
||||
7 15 16
|
||||
7 16 8
|
||||
8 16 9
|
||||
8 9 1
|
||||
9 17 18
|
||||
9 18 10
|
||||
10 18 19
|
||||
10 19 11
|
||||
11 19 20
|
||||
11 20 12
|
||||
12 20 21
|
||||
12 21 13
|
||||
13 21 22
|
||||
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|
||||
14 22 23
|
||||
14 23 15
|
||||
15 23 24
|
||||
15 24 16
|
||||
16 24 17
|
||||
16 17 9
|
||||
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|
||||
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
36 45 37
|
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|
||||
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|
||||
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|
||||
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
||||
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|
||||
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|
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
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|
||||
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|
||||
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
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|
||||
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
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|
||||
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|
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|
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|
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|
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|
||||
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|
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|
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|
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|
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|
||||
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|
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|
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|
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|
||||
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|
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|
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|
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|
||||
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|
||||
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|
||||
88 89 81
|
||||
89 97 98
|
||||
89 98 90
|
||||
90 98 99
|
||||
90 99 91
|
||||
91 99 100
|
||||
91 100 92
|
||||
92 100 101
|
||||
92 101 93
|
||||
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|
||||
93 102 94
|
||||
94 102 103
|
||||
94 103 95
|
||||
95 103 104
|
||||
95 104 96
|
||||
96 104 97
|
||||
96 97 89
|
||||
97 105 106
|
||||
97 106 98
|
||||
98 106 107
|
||||
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|
||||
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|
||||
99 108 100
|
||||
100 108 109
|
||||
100 109 101
|
||||
101 109 110
|
||||
101 110 102
|
||||
102 110 111
|
||||
102 111 103
|
||||
103 111 112
|
||||
103 112 104
|
||||
104 112 105
|
||||
104 105 97
|
||||
105 113 114
|
||||
105 114 106
|
||||
106 114 115
|
||||
106 115 107
|
||||
107 115 116
|
||||
107 116 108
|
||||
108 116 117
|
||||
108 117 109
|
||||
109 117 118
|
||||
109 118 110
|
||||
110 118 119
|
||||
110 119 111
|
||||
111 119 120
|
||||
111 120 112
|
||||
112 120 113
|
||||
112 113 105
|
||||
113 121 122
|
||||
113 122 114
|
||||
114 122 123
|
||||
114 123 115
|
||||
115 123 124
|
||||
115 124 116
|
||||
116 124 125
|
||||
116 125 117
|
||||
117 125 126
|
||||
117 126 118
|
||||
118 126 127
|
||||
118 127 119
|
||||
119 127 128
|
||||
119 128 120
|
||||
120 128 121
|
||||
120 121 113
|
||||
121 129 130
|
||||
121 130 122
|
||||
122 130 131
|
||||
122 131 123
|
||||
123 131 132
|
||||
123 132 124
|
||||
124 132 133
|
||||
124 133 125
|
||||
125 133 134
|
||||
125 134 126
|
||||
126 134 135
|
||||
126 135 127
|
||||
127 135 136
|
||||
127 136 128
|
||||
128 136 129
|
||||
128 129 121
|
||||
129 137 138
|
||||
129 138 130
|
||||
130 138 139
|
||||
130 139 131
|
||||
131 139 140
|
||||
131 140 132
|
||||
132 140 141
|
||||
132 141 133
|
||||
133 141 142
|
||||
133 142 134
|
||||
134 142 143
|
||||
134 143 135
|
||||
135 143 144
|
||||
135 144 136
|
||||
136 144 137
|
||||
136 137 129
|
||||
137 145 146
|
||||
137 146 138
|
||||
138 146 147
|
||||
138 147 139
|
||||
139 147 148
|
||||
139 148 140
|
||||
140 148 149
|
||||
140 149 141
|
||||
141 149 150
|
||||
141 150 142
|
||||
142 150 151
|
||||
142 151 143
|
||||
143 151 152
|
||||
143 152 144
|
||||
144 152 145
|
||||
144 145 137
|
||||
145 153 146
|
||||
146 153 147
|
||||
147 153 148
|
||||
148 153 149
|
||||
149 153 150
|
||||
150 153 151
|
||||
151 153 152
|
||||
152 153 145
|
||||
|
||||
0 523 0
|
||||
88.6333 495.08 0
|
||||
62.6732 495.08 62.6732
|
||||
0 495.08 88.6333
|
||||
-62.6732 495.08 62.6732
|
||||
-88.6333 495.08 0
|
||||
-62.6732 495.08 -62.6732
|
||||
0 495.08 -88.6333
|
||||
62.6732 495.08 -62.6732
|
||||
152.845 448.819 0
|
||||
108.077 448.819 108.077
|
||||
0 448.819 152.845
|
||||
-108.077 448.819 108.077
|
||||
-152.845 448.819 0
|
||||
-108.077 448.819 -108.077
|
||||
0 448.819 -152.845
|
||||
108.077 448.819 -108.077
|
||||
173.877 368.699 0
|
||||
122.95 368.699 122.95
|
||||
0 368.699 173.877
|
||||
-122.95 368.699 122.95
|
||||
-173.877 368.699 0
|
||||
-122.95 368.699 -122.95
|
||||
0 368.699 -173.877
|
||||
122.95 368.699 -122.95
|
||||
153.987 282.788 0
|
||||
108.885 282.788 108.885
|
||||
0 282.788 153.987
|
||||
-108.885 282.788 108.885
|
||||
-153.987 282.788 0
|
||||
-108.885 282.788 -108.885
|
||||
0 282.788 -153.987
|
||||
108.885 282.788 -108.885
|
||||
90.2264 218.419 0
|
||||
63.7997 218.419 63.7997
|
||||
0 218.419 90.2264
|
||||
-63.7997 218.419 63.7997
|
||||
-90.2264 218.419 0
|
||||
-63.7997 218.419 -63.7997
|
||||
0 218.419 -90.2264
|
||||
63.7997 218.419 -63.7997
|
||||
5.81111 166.597 0
|
||||
4.10909 166.597 4.10909
|
||||
0 166.597 5.81111
|
||||
-4.10909 166.597 4.10909
|
||||
-5.81111 166.597 0
|
||||
-4.10909 166.597 -4.10909
|
||||
0 166.597 -5.81111
|
||||
4.10909 166.597 -4.10909
|
||||
95.3267 203.067 0
|
||||
67.4063 203.067 67.4063
|
||||
0 203.067 95.3267
|
||||
-67.4063 203.067 67.4063
|
||||
-95.3267 203.067 0
|
||||
-67.4063 203.067 -67.4063
|
||||
0 203.067 -95.3267
|
||||
67.4063 203.067 -67.4063
|
||||
145.057 174.885 0
|
||||
102.571 174.885 102.571
|
||||
0 174.885 145.057
|
||||
-102.571 174.885 102.571
|
||||
-145.057 174.885 0
|
||||
-102.571 174.885 -102.571
|
||||
0 174.885 -145.057
|
||||
102.571 174.885 -102.571
|
||||
181.526 158.309 0
|
||||
128.358 158.309 128.358
|
||||
0 158.309 181.526
|
||||
-128.358 158.309 128.358
|
||||
-181.526 158.309 0
|
||||
-128.358 158.309 -128.358
|
||||
0 158.309 -181.526
|
||||
128.358 158.309 -128.358
|
||||
113.463 109.836 0
|
||||
80.2308 109.836 80.2308
|
||||
0 109.836 113.463
|
||||
-80.2308 109.836 80.2308
|
||||
-113.463 109.836 0
|
||||
-80.2308 109.836 -80.2308
|
||||
0 109.836 -113.463
|
||||
80.2308 109.836 -80.2308
|
||||
74.6572 39.073 0
|
||||
52.7906 39.073 52.7906
|
||||
0 39.073 74.6572
|
||||
-52.7906 39.073 52.7906
|
||||
-74.6572 39.073 0
|
||||
-52.7906 39.073 -52.7906
|
||||
0 39.073 -74.6572
|
||||
52.7906 39.073 -52.7906
|
||||
89.4272 -72.509 0
|
||||
63.2349 -72.509 63.2349
|
||||
0 -72.509 89.4272
|
||||
-63.2349 -72.509 63.2349
|
||||
-89.4272 -72.509 0
|
||||
-63.2349 -72.509 -63.2349
|
||||
0 -72.509 -89.4272
|
||||
63.2349 -72.509 -63.2349
|
||||
133.454 -206.382 0
|
||||
94.3665 -206.382 94.3665
|
||||
0 -206.382 133.454
|
||||
-94.3665 -206.382 94.3665
|
||||
-133.454 -206.382 0
|
||||
-94.3665 -206.382 -94.3665
|
||||
0 -206.382 -133.454
|
||||
94.3665 -206.382 -94.3665
|
||||
173.239 -208.041 0
|
||||
122.498 -208.041 122.498
|
||||
0 -208.041 173.239
|
||||
-122.498 -208.041 122.498
|
||||
-173.239 -208.041 0
|
||||
-122.498 -208.041 -122.498
|
||||
0 -208.041 -173.239
|
||||
122.498 -208.041 -122.498
|
||||
211.366 -206.382 0
|
||||
149.458 -206.382 149.458
|
||||
0 -206.382 211.366
|
||||
-149.458 -206.382 149.458
|
||||
-211.366 -206.382 0
|
||||
-149.458 -206.382 -149.458
|
||||
0 -206.382 -211.366
|
||||
149.458 -206.382 -149.458
|
||||
276.016 -428.512 0
|
||||
195.173 -428.512 195.173
|
||||
0 -428.512 276.016
|
||||
-195.173 -428.512 195.173
|
||||
-276.016 -428.512 0
|
||||
-195.173 -428.512 -195.173
|
||||
0 -428.512 -276.016
|
||||
195.173 -428.512 -195.173
|
||||
229.6 -474.927 0
|
||||
162.352 -474.927 162.352
|
||||
0 -474.927 229.6
|
||||
-162.352 -474.927 162.352
|
||||
-229.6 -474.927 0
|
||||
-162.352 -474.927 -162.352
|
||||
0 -474.927 -229.6
|
||||
162.352 -474.927 -162.352
|
||||
276.016 -519.685 0
|
||||
195.173 -519.685 195.173
|
||||
0 -519.685 276.016
|
||||
-195.173 -519.685 195.173
|
||||
-276.016 -519.685 0
|
||||
-195.173 -519.685 -195.173
|
||||
0 -519.685 -276.016
|
||||
195.173 -519.685 -195.173
|
||||
164.951 -516.369 0
|
||||
116.638 -516.369 116.638
|
||||
0 -516.369 164.951
|
||||
-116.638 -516.369 116.638
|
||||
-164.951 -516.369 0
|
||||
-116.638 -516.369 -116.638
|
||||
0 -516.369 -164.951
|
||||
116.638 -516.369 -116.638
|
||||
0 -523 0
|
||||
BIN
CS4451/proj2/Examples/pawn.t.gz
Normal file
BIN
CS4451/proj2/Examples/pawn.t.gz
Normal file
Binary file not shown.
10565
CS4451/proj2/Examples/pig.t
Normal file
10565
CS4451/proj2/Examples/pig.t
Normal file
File diff suppressed because it is too large
Load Diff
BIN
CS4451/proj2/Examples/pig.t.gz
Normal file
BIN
CS4451/proj2/Examples/pig.t.gz
Normal file
Binary file not shown.
7679
CS4451/proj2/Examples/shark.t
Normal file
7679
CS4451/proj2/Examples/shark.t
Normal file
File diff suppressed because it is too large
Load Diff
BIN
CS4451/proj2/Examples/shark.t.gz
Normal file
BIN
CS4451/proj2/Examples/shark.t.gz
Normal file
Binary file not shown.
5262
CS4451/proj2/Examples/toilet.t
Normal file
5262
CS4451/proj2/Examples/toilet.t
Normal file
File diff suppressed because it is too large
Load Diff
BIN
CS4451/proj2/Examples/toilet.t.gz
Normal file
BIN
CS4451/proj2/Examples/toilet.t.gz
Normal file
Binary file not shown.
2132
CS4451/proj2/Examples/venus.t
Normal file
2132
CS4451/proj2/Examples/venus.t
Normal file
File diff suppressed because it is too large
Load Diff
BIN
CS4451/proj2/Examples/venus.t.gz
Normal file
BIN
CS4451/proj2/Examples/venus.t.gz
Normal file
Binary file not shown.
27104
CS4451/proj2/Examples/whale.t
Normal file
27104
CS4451/proj2/Examples/whale.t
Normal file
File diff suppressed because it is too large
Load Diff
BIN
CS4451/proj2/Examples/whale.t.gz
Normal file
BIN
CS4451/proj2/Examples/whale.t.gz
Normal file
Binary file not shown.
18
CS4451/proj2/Makefile
Normal file
18
CS4451/proj2/Makefile
Normal file
@@ -0,0 +1,18 @@
|
||||
|
||||
CC = g++
|
||||
|
||||
# libraries required to compile opengl/glut programs may be system-dependent
|
||||
# this is a setup for a typical install of redhat 9
|
||||
|
||||
LIBOPT = -L/usr/X11R6/lib -lglut -lGLU -lGL -lXmu -lXi -lX11 -lm
|
||||
|
||||
all : prj
|
||||
|
||||
prj : cs4451_a2.o
|
||||
$(CC) -o proj2 cs4451_a2.o $(LIBOPT)
|
||||
|
||||
cs4451_a2.o : cs4451_a2.cpp Makefile
|
||||
$(CC) -I/usr/X11R6/include -c cs4451_a2.cpp
|
||||
|
||||
clean:
|
||||
rm proj2
|
||||
18
CS4451/proj2/Submission/Makefile
Normal file
18
CS4451/proj2/Submission/Makefile
Normal file
@@ -0,0 +1,18 @@
|
||||
|
||||
CC = g++
|
||||
|
||||
# libraries required to compile opengl/glut programs may be system-dependent
|
||||
# this is a setup for a typical install of redhat 9
|
||||
|
||||
LIBOPT = -L/usr/X11R6/lib -lglut -lGLU -lGL -lXmu -lXi -lX11 -lm
|
||||
|
||||
all : prj
|
||||
|
||||
prj : cs4451_a2.o
|
||||
$(CC) -o proj2 cs4451_a2.o $(LIBOPT)
|
||||
|
||||
cs4451_a2.o : cs4451_a2.cpp Makefile
|
||||
$(CC) -I/usr/X11R6/include -c cs4451_a2.cpp
|
||||
|
||||
clean:
|
||||
rm proj2
|
||||
892
CS4451/proj2/Submission/cs4451_a2.cpp
Normal file
892
CS4451/proj2/Submission/cs4451_a2.cpp
Normal file
@@ -0,0 +1,892 @@
|
||||
|
||||
/* cs4451_a2.cpp */
|
||||
/*
|
||||
* Jose Caban
|
||||
* gtg184g
|
||||
* proj2
|
||||
*/
|
||||
|
||||
|
||||
#include <math.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <iostream>
|
||||
#include <assert.h>
|
||||
|
||||
#ifdef _OS_LINUX_
|
||||
#include <GL/gl.h>
|
||||
#include <GL/glu.h>
|
||||
#endif
|
||||
|
||||
//Windows only needs glut.h care of SGI ;)
|
||||
#include <GL/glut.h>
|
||||
|
||||
|
||||
#define VPD_MIN 200
|
||||
#define VPD_DEFAULT 800
|
||||
#define VPD_MAX 1024
|
||||
|
||||
enum MENU { MENU_SWITCH_SHADING=0,
|
||||
MENU_ZOOM_IN,
|
||||
MENU_ZOOM_OUT,
|
||||
MENU_POINTS,
|
||||
MENU_LINES,
|
||||
MENU_TRIANGLES,
|
||||
MENU_SWITCH_LIGHT,
|
||||
MENU_SWITCH_CULLING,
|
||||
MENU_TURN_OFF_CULLING,
|
||||
MENU_TURN_ON_CULLING,
|
||||
MENU_RESET_MODELVIEW
|
||||
};
|
||||
|
||||
|
||||
|
||||
#define TWOPI (2.0 * M_PI)
|
||||
|
||||
///////////////////////////////////////////////////////////////////
|
||||
|
||||
//Define the Normal type
|
||||
typedef struct SNormal {
|
||||
GLfloat i;
|
||||
GLfloat j;
|
||||
GLfloat k;
|
||||
} SNormal;
|
||||
|
||||
typedef struct SPoint {
|
||||
GLfloat x;
|
||||
GLfloat y;
|
||||
GLfloat z;
|
||||
} SPoint;
|
||||
|
||||
//Define the Vertex type for use in keeping track of Vertices
|
||||
typedef struct SVertex {
|
||||
SNormal normal;
|
||||
GLfloat x;
|
||||
GLfloat y;
|
||||
GLfloat z;
|
||||
} SVertex;
|
||||
|
||||
//Define the Data structure that will hold all the vertices
|
||||
typedef struct SVertexList {
|
||||
SVertex* vertices;
|
||||
int length;
|
||||
} SVertexList;
|
||||
|
||||
//Define a Triangle (a1,a2,a3 are indices to the SVertexList
|
||||
typedef struct STriangle {
|
||||
SNormal normal;
|
||||
GLint a1,a2,a3;
|
||||
} STriangle;
|
||||
|
||||
typedef struct STriangleList {
|
||||
STriangle* triangles;
|
||||
GLint length;
|
||||
} STriangleList;
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
//////////////////////////////////////////////////////
|
||||
// Globals
|
||||
|
||||
SVertexList vertexList;
|
||||
STriangleList triList;
|
||||
GLfloat currModelTransform[16];
|
||||
|
||||
GLint wid; /* GLUT window id */
|
||||
GLint vpd = VPD_DEFAULT; /* (square) viewport dimensions */
|
||||
|
||||
GLuint sceneID; /* display list ID */
|
||||
GLuint gouraudID; /* gouraud display list ID */
|
||||
GLuint flatID; /* flat display list ID */
|
||||
|
||||
GLfloat angle1 = 0; /* angles used in animation */
|
||||
GLfloat angle2 = 0;
|
||||
GLfloat dangle1 = 0.57;
|
||||
GLfloat dangle2 = 0.71;
|
||||
|
||||
GLdouble viewDist = 8.0; /* Changes the view distance view */
|
||||
|
||||
GLuint cullMode = GL_BACK;
|
||||
GLboolean worldLight = GL_TRUE;
|
||||
|
||||
///////////////////////////////////////////////////////
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////
|
||||
//Functions
|
||||
|
||||
/*
|
||||
* Input scanner
|
||||
*/
|
||||
void scanInput(GLvoid);
|
||||
|
||||
/*
|
||||
* Initialize the Light Source
|
||||
*/
|
||||
GLvoid init_lightsource ( GLvoid )
|
||||
{
|
||||
GLfloat light_ambient[] = { .1, .1, .1, 1.0 };
|
||||
GLfloat light_diffuse[] = { .9, .9, .9, 1.0 };
|
||||
GLfloat light_specular[] = { 0, 0, 0, 1.0 };
|
||||
GLfloat light_position[] = { 2.0, 2.0, 2.0, 0.0 };
|
||||
|
||||
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
|
||||
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
|
||||
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
|
||||
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
|
||||
glLightf(GL_LIGHT0,GL_CONSTANT_ATTENUATION,1.0);
|
||||
glLightf(GL_LIGHT0,GL_LINEAR_ATTENUATION,0.0);
|
||||
glLightf(GL_LIGHT0,GL_QUADRATIC_ATTENUATION,0.0);
|
||||
|
||||
glEnable(GL_LIGHTING);
|
||||
glEnable(GL_LIGHT0);
|
||||
}
|
||||
|
||||
GLvoid set_material_properties ( GLfloat r, GLfloat g, GLfloat b )
|
||||
{
|
||||
GLfloat mat_specular[4] = { 0.0, 0.0, 0.0, 1.0 };
|
||||
GLfloat mat_ambient_and_diffuse[4] = { 0.5, 0.5, 0.5, 1.0 };
|
||||
GLfloat mat_shininess[1] = { 0.0 };
|
||||
|
||||
mat_specular[0] = mat_ambient_and_diffuse[0] = r;
|
||||
mat_specular[1] = mat_ambient_and_diffuse[1] = g;
|
||||
mat_specular[2] = mat_ambient_and_diffuse[2] = b;
|
||||
|
||||
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
|
||||
glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
|
||||
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_ambient_and_diffuse);
|
||||
|
||||
}
|
||||
|
||||
|
||||
inline void cross(SNormal& dest, SVertex& a, SVertex& b) {
|
||||
dest.i = ( (a.y*b.z) - (a.z*b.y) ); //i
|
||||
dest.j = ( (a.z*b.x) - (a.x*b.z) ); //j
|
||||
dest.k = ( (a.x*b.y) - (a.y*b.x) ); //k
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Initialize the scene
|
||||
*
|
||||
*/
|
||||
GLuint init_flat_scene ( )
|
||||
{
|
||||
GLuint sceneList = glGenLists(1);
|
||||
|
||||
SNormal tempNormal;
|
||||
SVertex a1, a2, a3;
|
||||
|
||||
glNewList(sceneList,GL_COMPILE);
|
||||
glBegin(GL_TRIANGLES);
|
||||
|
||||
for (int i = 0; i < triList.length; i++) {
|
||||
|
||||
a1 = vertexList.vertices[triList.triangles[i].a1];
|
||||
a2 = vertexList.vertices[triList.triangles[i].a2];
|
||||
a3 = vertexList.vertices[triList.triangles[i].a3];
|
||||
|
||||
tempNormal = triList.triangles[i].normal;
|
||||
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
|
||||
glVertex3f(a1.x, a1.y, a1.z);
|
||||
glVertex3f(a2.x, a2.y, a2.z);
|
||||
glVertex3f(a3.x, a3.y, a3.z);
|
||||
}
|
||||
|
||||
glEnd();
|
||||
|
||||
glEndList();
|
||||
|
||||
return sceneList;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Initialize the gouraud scene
|
||||
*/
|
||||
GLuint init_gouraud_scene ( )
|
||||
{
|
||||
GLuint sceneList = glGenLists(1);
|
||||
|
||||
SNormal tempNormal;
|
||||
SVertex a1, a2, a3;
|
||||
|
||||
glNewList(sceneList,GL_COMPILE);
|
||||
glBegin(GL_TRIANGLES);
|
||||
|
||||
for (int i = 0; i < triList.length; i++) {
|
||||
|
||||
a1 = vertexList.vertices[triList.triangles[i].a1];
|
||||
a2 = vertexList.vertices[triList.triangles[i].a2];
|
||||
a3 = vertexList.vertices[triList.triangles[i].a3];
|
||||
|
||||
tempNormal = a1.normal;
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
glVertex3f(a1.x, a1.y, a1.z);
|
||||
|
||||
tempNormal = a2.normal;
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
glVertex3f(a2.x, a2.y, a2.z);
|
||||
|
||||
tempNormal = a3.normal;
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
glVertex3f(a3.x, a3.y, a3.z);
|
||||
}
|
||||
|
||||
glEnd();
|
||||
|
||||
glEndList();
|
||||
|
||||
return sceneList;
|
||||
}
|
||||
|
||||
|
||||
GLuint create_scene(GLuint triangleList) {
|
||||
GLuint sceneList = glGenLists(1);
|
||||
|
||||
glNewList(sceneList,GL_COMPILE);
|
||||
|
||||
set_material_properties(1.0,1.0,1.0);
|
||||
|
||||
/* Correctly size the object */
|
||||
assert(vertexList.length > 0);
|
||||
|
||||
SVertex Max;
|
||||
SVertex Min;
|
||||
SVertex Center;
|
||||
|
||||
Max.x = Min.x = vertexList.vertices[0].x;
|
||||
Max.y = Min.y = vertexList.vertices[0].y;
|
||||
Max.z = Min.z = vertexList.vertices[0].z;
|
||||
|
||||
for (int i = 1; i < vertexList.length; i++) {
|
||||
if (vertexList.vertices[i].x > Max.x) {
|
||||
Max.x = vertexList.vertices[i].x;
|
||||
} else if (vertexList.vertices[i].x < Min.x) {
|
||||
Min.x = vertexList.vertices[i].x;
|
||||
}
|
||||
|
||||
if (vertexList.vertices[i].y > Max.y) {
|
||||
Max.y = vertexList.vertices[i].y;
|
||||
} else if (vertexList.vertices[i].y < Min.y) {
|
||||
Min.y = vertexList.vertices[i].y;
|
||||
}
|
||||
|
||||
if (vertexList.vertices[i].z > Max.z) {
|
||||
Max.z = vertexList.vertices[i].z;
|
||||
} else if (vertexList.vertices[i].z < Min.z) {
|
||||
Min.z = vertexList.vertices[i].z;
|
||||
}
|
||||
}
|
||||
|
||||
Center.x = (Max.x + Min.x) / 2.;
|
||||
Center.y = (Max.y + Min.y) / 2.;
|
||||
Center.z = (Max.z + Min.z) / 2.;
|
||||
|
||||
float scaleX, scaleY, scaleZ;
|
||||
scaleX = (Max.x - Min.x) / 2.;
|
||||
scaleY = (Max.y - Min.y) / 2.;
|
||||
scaleZ = (Max.z - Min.z) / 2.;
|
||||
|
||||
float scaleFactor;
|
||||
|
||||
scaleFactor = scaleX > scaleY ? scaleX : scaleY;
|
||||
scaleFactor = scaleZ > scaleFactor ? scaleZ : scaleFactor;
|
||||
scaleFactor = 1. / scaleFactor;
|
||||
|
||||
//printf("ScaleFactor: %f\n",scaleFactor);
|
||||
|
||||
glPushMatrix();
|
||||
glTranslatef(0.-(Center.x*scaleFactor),0.-(Center.y*scaleFactor),0.-(Center.z*scaleFactor));
|
||||
glScalef(scaleFactor,scaleFactor,scaleFactor);
|
||||
glCallList(triangleList);
|
||||
glPopMatrix();
|
||||
|
||||
glEndList();
|
||||
|
||||
return sceneList;
|
||||
}
|
||||
|
||||
GLuint create_flat_scene ( )
|
||||
{
|
||||
return create_scene( init_flat_scene() );
|
||||
}
|
||||
|
||||
GLuint create_gouraud_scene ( )
|
||||
{
|
||||
return create_scene( init_gouraud_scene() );
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* redraw the scene */
|
||||
|
||||
GLvoid draw(GLvoid)
|
||||
{
|
||||
/* set the projection matrix */
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
gluPerspective(viewDist,1.0,15.0,25.0);
|
||||
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
|
||||
/* initialize light */
|
||||
if (worldLight) {
|
||||
//World Lighting
|
||||
init_lightsource();
|
||||
glTranslatef(0,0,-20);
|
||||
glMultMatrixf(currModelTransform);
|
||||
} else {
|
||||
//Model Lighting
|
||||
glTranslatef(0,0,-20);
|
||||
glMultMatrixf(currModelTransform);
|
||||
init_lightsource();
|
||||
}
|
||||
|
||||
/* ensure we're drawing to the correct GLUT window */
|
||||
glutSetWindow(wid);
|
||||
|
||||
/* clear the color buffers */
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
|
||||
/* DRAW WHAT IS IN THE DISPLAY LIST */
|
||||
glCallList(sceneID);
|
||||
|
||||
/* flush the pipeline */
|
||||
glFlush();
|
||||
|
||||
/* look at our handiwork */
|
||||
glutSwapBuffers();
|
||||
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* handle mouse events */
|
||||
SPoint oldPoint; //stores the previous point used in the virtual trackball
|
||||
|
||||
GLvoid mouse_button(GLint btn, GLint state, GLint mx, GLint my)
|
||||
{
|
||||
switch( btn ) {
|
||||
case GLUT_LEFT_BUTTON:
|
||||
switch( state ) {
|
||||
case GLUT_DOWN:
|
||||
oldPoint.x = mx;
|
||||
oldPoint.y = my;
|
||||
oldPoint.z = -1;
|
||||
break;
|
||||
case GLUT_UP:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GLUT_MIDDLE_BUTTON:
|
||||
switch( state ) {
|
||||
case GLUT_DOWN:
|
||||
break;
|
||||
case GLUT_UP:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GLUT_RIGHT_BUTTON:
|
||||
switch( state ) {
|
||||
case GLUT_DOWN:
|
||||
break;
|
||||
case GLUT_UP:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
inline void scalePoint(SPoint& p, GLint mx, GLint my) {
|
||||
//scale to -1 and 1
|
||||
float scale = ceil(vpd/2.);
|
||||
p.x = (mx / scale) -1.;
|
||||
p.y = (my / scale) -1.;
|
||||
p.y*=-1.; //handle reversed y
|
||||
|
||||
p.z = 1.-pow(p.x,2)-pow(p.y,2);
|
||||
|
||||
if (p.z < 0) {
|
||||
float under = sqrt((p.x*p.x)+(p.y*p.y));
|
||||
p.x /= under;
|
||||
p.y /= under;
|
||||
p.z = 0;
|
||||
} else {
|
||||
p.z = sqrt(p.z);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
inline GLfloat vecLength(SPoint& p) {
|
||||
return sqrt(pow(p.x,2)+pow(p.y,2)+pow(p.z,2));
|
||||
}
|
||||
|
||||
inline GLfloat dot(SPoint &a, SPoint &b) {
|
||||
return (a.x*b.x)+(a.y*b.y)+(a.z*b.z);
|
||||
}
|
||||
|
||||
inline void cross(SPoint &dest, SPoint &a, SPoint &b) {
|
||||
|
||||
dest.x = ( (a.y*b.z) - (a.z*b.y) ); //i
|
||||
dest.y = ( (a.z*b.x) - (a.x*b.z) ); //j
|
||||
dest.z = ( (a.x*b.y) - (a.y*b.x) ); //k
|
||||
}
|
||||
|
||||
inline void calcAngle(GLfloat *newMatrix, GLfloat angle, SPoint& a) {
|
||||
newMatrix[0] = 1.+(1.-cos(angle))*(pow(a.x,2)-1.);
|
||||
newMatrix[1] = a.z*sin(angle) + (1.-cos(angle)) * a.x * a.y;
|
||||
newMatrix[2] = -1. * a.y * sin(angle) + (1.-cos(angle))*a.x*a.z;
|
||||
newMatrix[3] = 0;
|
||||
newMatrix[4] = -1. * a.z * sin(angle) + (1.-cos(angle)) * a.x * a.y;
|
||||
newMatrix[5] = 1. + (1. - cos(angle))*(pow(a.y,2)-1.);
|
||||
newMatrix[6] = a.x * sin(angle) + (1.-cos(angle))*a.y*a.z;
|
||||
newMatrix[7] = 0;
|
||||
newMatrix[8] = a.y * sin(angle) + (1.-cos(angle))*a.x * a.z;
|
||||
newMatrix[9] = -1. * a.x * sin(angle) + (1.-cos(angle))*a.y*a.z;
|
||||
newMatrix[10] = 1. + (1.-cos(angle))*(pow(a.z,2)-1.);
|
||||
newMatrix[11] = newMatrix[12] = newMatrix[13] = newMatrix[14] = 0;
|
||||
newMatrix[15] = 1.;
|
||||
}
|
||||
|
||||
GLvoid button_motion(GLint mx, GLint my)
|
||||
{
|
||||
/* First calculate P */
|
||||
static SPoint v;
|
||||
SPoint p, w, a;
|
||||
|
||||
//Give us the scaled p on the sphere
|
||||
scalePoint(p,mx,my);
|
||||
|
||||
//get the unit vector of p
|
||||
GLfloat length = vecLength(p);
|
||||
if (length==0) {
|
||||
return;
|
||||
} else {
|
||||
w.x = p.x / length;
|
||||
w.y = p.y / length;
|
||||
w.z = p.z / length;
|
||||
}
|
||||
|
||||
//This is the first time the movement has been made
|
||||
if (oldPoint.z == -1) {
|
||||
scalePoint(oldPoint,(int)oldPoint.x,(int)oldPoint.y);
|
||||
|
||||
length = vecLength(oldPoint);
|
||||
if (length==0) {
|
||||
return;
|
||||
} else {
|
||||
v.x = oldPoint.x / length;
|
||||
v.y = oldPoint.y / length;
|
||||
v.z = oldPoint.z / length;
|
||||
}
|
||||
}
|
||||
|
||||
cross(a,oldPoint,p);
|
||||
length = vecLength(a);
|
||||
if (length==0) {
|
||||
return;
|
||||
} else {
|
||||
a.x /= length;
|
||||
a.y /= length;
|
||||
a.z /= length;
|
||||
}
|
||||
|
||||
GLfloat angle = dot(v,w);
|
||||
if (angle > 1) {
|
||||
angle = 1;
|
||||
} else if (angle < -1) {
|
||||
angle = -1;
|
||||
}
|
||||
|
||||
angle = acos(angle);
|
||||
|
||||
/* Perform the rotation calculation */
|
||||
GLfloat newMatrix[16];
|
||||
|
||||
calcAngle(newMatrix,angle,a);
|
||||
|
||||
/* Make OpenGL do our work */
|
||||
glPushMatrix();
|
||||
glLoadMatrixf(newMatrix);
|
||||
glMultMatrixf(currModelTransform);
|
||||
glGetFloatv(GL_MODELVIEW_MATRIX,currModelTransform);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glPopMatrix();
|
||||
|
||||
oldPoint = p;
|
||||
v = w;
|
||||
|
||||
glutPostRedisplay();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
GLvoid passive_motion(GLint mx, GLint my)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* handle keyboard events; here, just exit if ESC is hit */
|
||||
|
||||
GLvoid keyboard(GLubyte key, GLint x, GLint y)
|
||||
{
|
||||
switch(key) {
|
||||
case 27: /* ESC */
|
||||
exit(0);
|
||||
case 'w':
|
||||
viewDist -= .1;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case 's':
|
||||
viewDist += .1;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case 'a':
|
||||
currModelTransform[12] -= .01;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case 'd':
|
||||
currModelTransform[12] += .01;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
GLvoid menu ( int value )
|
||||
{
|
||||
switch(value)
|
||||
{
|
||||
case MENU_SWITCH_SHADING:
|
||||
if (sceneID == gouraudID) {
|
||||
glShadeModel(GL_FLAT);
|
||||
sceneID = flatID;
|
||||
} else {
|
||||
glShadeModel(GL_SMOOTH);
|
||||
sceneID = gouraudID;
|
||||
}
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_ZOOM_IN:
|
||||
viewDist -= 1.;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_ZOOM_OUT:
|
||||
viewDist += 1.;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_POINTS:
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_LINES:
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_TRIANGLES:
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_SWITCH_CULLING:
|
||||
if (cullMode == GL_FRONT) {
|
||||
glCullFace(GL_BACK);
|
||||
cullMode = GL_BACK;
|
||||
} else {
|
||||
glCullFace(GL_FRONT);
|
||||
cullMode = GL_FRONT;
|
||||
}
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_TURN_ON_CULLING:
|
||||
glEnable(GL_CULL_FACE);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_TURN_OFF_CULLING:
|
||||
glDisable(GL_CULL_FACE);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_SWITCH_LIGHT:
|
||||
worldLight = !worldLight;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_RESET_MODELVIEW:
|
||||
glPushMatrix();
|
||||
glLoadIdentity();
|
||||
glGetFloatv(GL_MODELVIEW_MATRIX,currModelTransform);
|
||||
glPopMatrix();
|
||||
glutPostRedisplay();
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* handle resizing the glut window */
|
||||
|
||||
GLvoid reshape(GLint vpw, GLint vph)
|
||||
{
|
||||
glutSetWindow(wid);
|
||||
|
||||
/* maintain a square viewport, not too small, not too big */
|
||||
if( vpw < vph ) vpd = vph;
|
||||
else vpd = vpw;
|
||||
|
||||
if( vpd < VPD_MIN ) vpd = VPD_MIN;
|
||||
if( vpd > VPD_MAX ) vpd = VPD_MAX;
|
||||
|
||||
glViewport(0, 0, vpd, vpd);
|
||||
glutReshapeWindow(vpd, vpd);
|
||||
|
||||
glutPostRedisplay();
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
GLint init_glut(GLint *argc, char **argv)
|
||||
{
|
||||
GLint id;
|
||||
|
||||
glutInit(argc,argv);
|
||||
|
||||
/* size and placement hints to the window system */
|
||||
glutInitWindowSize(vpd, vpd);
|
||||
glutInitWindowPosition(10,10);
|
||||
|
||||
/* double buffered, RGB color mode */
|
||||
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
|
||||
|
||||
/* create a GLUT window (not drawn until glutMainLoop() is entered) */
|
||||
id = glutCreateWindow("cs4451 assignment 2");
|
||||
|
||||
/* register callbacks */
|
||||
|
||||
/* window size changes */
|
||||
glutReshapeFunc(reshape);
|
||||
|
||||
/* keypress handling when the current window has input focus */
|
||||
glutKeyboardFunc(keyboard);
|
||||
|
||||
/* mouse event handling */
|
||||
glutMouseFunc(mouse_button); /* button press/release */
|
||||
glutMotionFunc(button_motion); /* mouse motion w/ button down */
|
||||
glutPassiveMotionFunc(passive_motion); /* mouse motion with button up */
|
||||
|
||||
/* window obscured/revealed event handler */
|
||||
glutVisibilityFunc(NULL);
|
||||
|
||||
/* handling of keyboard SHIFT, ALT, CTRL keys */
|
||||
glutSpecialFunc(NULL);
|
||||
|
||||
/* what to do when mouse cursor enters/exits the current window */
|
||||
glutEntryFunc(NULL);
|
||||
|
||||
/* what to do on each display loop iteration */
|
||||
glutDisplayFunc(draw);
|
||||
|
||||
/* Create the menu */
|
||||
|
||||
//Create the Zoom Menu
|
||||
GLint zoomMenu = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Zoom In (w)",MENU_ZOOM_IN);
|
||||
glutAddMenuEntry("Zoom Out (s)",MENU_ZOOM_OUT);
|
||||
|
||||
//Create the Render Mode Menu
|
||||
GLint renderMenu = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Points Only",MENU_POINTS);
|
||||
glutAddMenuEntry("Lines Only",MENU_LINES);
|
||||
glutAddMenuEntry("Full Model",MENU_TRIANGLES);
|
||||
|
||||
//Create the Culling Menu
|
||||
GLint cullingMenu = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Switch Culling Mode",MENU_SWITCH_CULLING);
|
||||
glutAddMenuEntry("Turn on Culling",MENU_TURN_ON_CULLING);
|
||||
glutAddMenuEntry("Turn off Culling",MENU_TURN_OFF_CULLING);
|
||||
|
||||
GLint menuID = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Switch Shading Mode",MENU_SWITCH_SHADING);
|
||||
glutAddMenuEntry("Toggle World/Model Relative Light",MENU_SWITCH_LIGHT);
|
||||
|
||||
glutAddSubMenu("Zoom",zoomMenu);
|
||||
glutAddSubMenu("Render", renderMenu);
|
||||
glutAddSubMenu("Culling", cullingMenu);
|
||||
|
||||
glutAddMenuEntry("Reset View Model",MENU_RESET_MODELVIEW);
|
||||
|
||||
glutSetMenu(menuID);
|
||||
|
||||
glutAttachMenu(GLUT_RIGHT_BUTTON);
|
||||
|
||||
return id;
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
GLvoid init_opengl(GLvoid)
|
||||
{
|
||||
/* back-face culling on */
|
||||
glEnable(GL_CULL_FACE);
|
||||
glCullFace(GL_BACK); /* We want to cull the back */
|
||||
glFrontFace(GL_CW); /* The vertices we get are clockwise */
|
||||
|
||||
/* automatically scale normals to unit length after transformation */
|
||||
glEnable(GL_NORMALIZE);
|
||||
|
||||
/* clear to BLACK */
|
||||
glClearColor(0.0, 0.0, 0.0, 1.0);
|
||||
|
||||
/* Enable depth test */
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
void generateNormals() {
|
||||
|
||||
/* Generate normals for triangles and Vertices */
|
||||
SNormal tempNormal;
|
||||
|
||||
SVertex a1a2, a1a3;
|
||||
SVertex a1, a2, a3;
|
||||
|
||||
for (int i = 0; i < triList.length; i++) {
|
||||
|
||||
a1 = vertexList.vertices[triList.triangles[i].a1];
|
||||
a2 = vertexList.vertices[triList.triangles[i].a2];
|
||||
a3 = vertexList.vertices[triList.triangles[i].a3];
|
||||
|
||||
a1a2.x = a2.x - a1.x;
|
||||
a1a2.y = a2.y - a1.y;
|
||||
a1a2.z = a2.z - a1.z;
|
||||
|
||||
a1a3.x = a3.x - a1.x;
|
||||
a1a3.y = a3.y - a1.y;
|
||||
a1a3.z = a3.z - a1.z;
|
||||
|
||||
cross(tempNormal,a1a2,a1a3);
|
||||
|
||||
tempNormal.i *= -1;
|
||||
tempNormal.j *= -1;
|
||||
tempNormal.k *= -1;
|
||||
|
||||
/* Store the normal for the triangle */
|
||||
triList.triangles[i].normal = tempNormal;
|
||||
|
||||
/* Add this normal to the normal of all the vertices */
|
||||
vertexList.vertices[triList.triangles[i].a1].normal.i += tempNormal.i;
|
||||
vertexList.vertices[triList.triangles[i].a1].normal.j += tempNormal.j;
|
||||
vertexList.vertices[triList.triangles[i].a1].normal.k += tempNormal.k;
|
||||
|
||||
vertexList.vertices[triList.triangles[i].a2].normal.i += tempNormal.i;
|
||||
vertexList.vertices[triList.triangles[i].a2].normal.j += tempNormal.j;
|
||||
vertexList.vertices[triList.triangles[i].a2].normal.k += tempNormal.k;
|
||||
|
||||
vertexList.vertices[triList.triangles[i].a3].normal.i += tempNormal.i;
|
||||
vertexList.vertices[triList.triangles[i].a3].normal.j += tempNormal.j;
|
||||
vertexList.vertices[triList.triangles[i].a3].normal.k += tempNormal.k;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
|
||||
GLint main(GLint argc, char **argv)
|
||||
{
|
||||
|
||||
/* Scan Input */
|
||||
scanInput();
|
||||
generateNormals();
|
||||
|
||||
/* initialize light */
|
||||
init_lightsource();
|
||||
|
||||
/* Initialize the currentTransformation */
|
||||
currModelTransform[0] = 1;
|
||||
currModelTransform[5] = 1;
|
||||
currModelTransform[10] = 1;
|
||||
currModelTransform[15] = 1;
|
||||
|
||||
/* initialize GLUT: register callbacks, etc */
|
||||
wid = init_glut(&argc, argv);
|
||||
|
||||
/* any OpenGL state initialization we need to do */
|
||||
init_opengl();
|
||||
|
||||
/* CREATE THE DISPLAY LIST FOR THE SCENE */
|
||||
|
||||
flatID = create_flat_scene();
|
||||
gouraudID = create_gouraud_scene();
|
||||
|
||||
sceneID = gouraudID;
|
||||
|
||||
glutMainLoop();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void scanInput(GLvoid) {
|
||||
char input[81];
|
||||
char *inputPtr;
|
||||
int i;
|
||||
|
||||
//Get the # of vertices and # of triangles
|
||||
std::cin.getline(input,81);
|
||||
|
||||
triList.length = strtol(input,&inputPtr,0);
|
||||
triList.triangles = (STriangle*)malloc(sizeof(STriangle)*triList.length);
|
||||
|
||||
vertexList.length = strtol(inputPtr,NULL,0);
|
||||
vertexList.vertices = (SVertex*)malloc(sizeof(SVertex)*vertexList.length);
|
||||
|
||||
//Skip over the first newline
|
||||
std::cin.getline(input,81);
|
||||
|
||||
for (i=0; i < triList.length; i++) {
|
||||
std::cin.getline(input,81);
|
||||
|
||||
//get points
|
||||
triList.triangles[i].a1 = strtol(input,&inputPtr,0);
|
||||
triList.triangles[i].a2 = strtol(inputPtr,&inputPtr,0);
|
||||
triList.triangles[i].a3 = strtol(inputPtr,NULL,0);
|
||||
triList.triangles[i].normal.i = 0;
|
||||
triList.triangles[i].normal.j = 0;
|
||||
triList.triangles[i].normal.k = 0;
|
||||
}
|
||||
|
||||
//skip over separation newline
|
||||
std::cin.getline(input,81);
|
||||
|
||||
for (i=0; i < vertexList.length; i++) {
|
||||
std::cin.getline(input,81);
|
||||
|
||||
//get coordinates
|
||||
vertexList.vertices[i].x = strtod(input,&inputPtr);
|
||||
vertexList.vertices[i].y = strtod(inputPtr,&inputPtr);
|
||||
vertexList.vertices[i].z = strtod(inputPtr,NULL);
|
||||
|
||||
vertexList.vertices[i].normal.i = 0;
|
||||
vertexList.vertices[i].normal.j = 0;
|
||||
vertexList.vertices[i].normal.k = 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
BIN
CS4451/proj2/Submission/proj2_submit.tar.gz
Normal file
BIN
CS4451/proj2/Submission/proj2_submit.tar.gz
Normal file
Binary file not shown.
@@ -0,0 +1,212 @@
|
||||
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
||||
<!-- saved from url=(0053)http://www.students.uwosh.edu/~bradfj23/visualstudio/ -->
|
||||
<?xml version="1.0" encoding="UTF-8"?><HTML xml:lang="en"
|
||||
xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>Using OpenGL and GLUT in Visual Studio .NET 2003</TITLE>
|
||||
<META http-equiv=Content-Type content="text/html; charset=iso-8859-1">
|
||||
<STYLE type=text/css>BODY {
|
||||
FONT-FAMILY: Arial, Helvetica, sans-serif
|
||||
}
|
||||
IMG {
|
||||
BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN: 5px; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none
|
||||
}
|
||||
LI {
|
||||
MARGIN-BOTTOM: 15px
|
||||
}
|
||||
SPAN {
|
||||
FONT-WEIGHT: normal; FONT-SIZE: smaller
|
||||
}
|
||||
TABLE {
|
||||
BORDER-COLLAPSE: collapse
|
||||
}
|
||||
TD {
|
||||
BORDER-RIGHT: black thin solid; BORDER-TOP: black thin solid; BORDER-LEFT: black thin solid; BORDER-BOTTOM: black thin solid
|
||||
}
|
||||
TH {
|
||||
BORDER-RIGHT: black thin solid; BORDER-TOP: black thin solid; BORDER-LEFT: black thin solid; BORDER-BOTTOM: black thin solid
|
||||
}
|
||||
TD {
|
||||
PADDING-RIGHT: 7px; PADDING-LEFT: 7px; PADDING-BOTTOM: 7px; PADDING-TOP: 7px
|
||||
}
|
||||
TT {
|
||||
BACKGROUND-COLOR: #eeeeee
|
||||
}
|
||||
.OS {
|
||||
WIDTH: 25%; BORDER-RIGHT-STYLE: none
|
||||
}
|
||||
.directory {
|
||||
BORDER-LEFT-STYLE: none
|
||||
}
|
||||
.menu LI {
|
||||
MARGIN-BOTTOM: 0px
|
||||
}
|
||||
</STYLE>
|
||||
|
||||
<META content="MSHTML 6.00.2900.2523" name=GENERATOR></HEAD>
|
||||
<BODY>
|
||||
<H1>Using OpenGL & GLUT in Visual Studio .NET 2003</H1>
|
||||
<H2>A Guide to Easier Graphics Programming <20> By <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/">Jordan Bradford</A></H2>
|
||||
<P>Visual Studio .NET is <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/why.html">a fantastic
|
||||
IDE</A>, and with it you can write programs that will run in both Windows and
|
||||
Linux with no fuss. This guide will show you how to set up a Visual Studio
|
||||
project that will do just that, provided it is a pure OpenGL application using
|
||||
GLUT. This guide also assumes Visual Studio .NET 2003 (and/or 2002) is already
|
||||
installed and you are familiar with its use.</P>
|
||||
<H3><A id=contents>Contents</A></H3>
|
||||
<P>Click here for the <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/quick.html">Quick
|
||||
Version</A> of this guide (if you simply need to refresh your memory).</P>
|
||||
<OL class=menu>
|
||||
<LI><A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#step1">Installation</A>
|
||||
(only needs to be done once)
|
||||
<LI><A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#step2">Create a
|
||||
Visual Studio Project</A>
|
||||
<LI><A href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#step3">Add
|
||||
Source Code</A>
|
||||
<LI><A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#step4">Modify
|
||||
Project Properties</A>
|
||||
<LI><A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#step5">Enjoy
|
||||
Visual Studio</A> </LI></OL>
|
||||
<H3><A id=step1>Step 1: Installation (only needs to be done once)</A>
|
||||
<SPAN>back to <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#contents">top
|
||||
↑</A></SPAN></H3>
|
||||
<P>Windows comes with OpenGL, and Visual Studio comes with the OpenGL libraries,
|
||||
but neither of them comes with GLUT. Get the newest version of GLUT here: <A
|
||||
href="http://www.xmission.com/~nate/glut.html">GLUT 3.7.6 for Windows</A>. Put
|
||||
the following files in the following locations:</P>
|
||||
<TABLE>
|
||||
<THEAD>
|
||||
<TR>
|
||||
<TH>File</TH>
|
||||
<TH colSpan=2>Location</TH></TR></THEAD>
|
||||
<TBODY>
|
||||
<TR>
|
||||
<TD rowSpan=2><TT>glut32.dll</TT></TD>
|
||||
<TD class=OS><I>Windows XP | Server 2003</I>:</TD>
|
||||
<TD class=directory><TT>C:\WINDOWS\system\</TT></TD></TR>
|
||||
<TR>
|
||||
<TD class=OS><I>Windows 2000</I>:</TD>
|
||||
<TD class=directory><TT>C:\WINNT\system\</TT></TD></TR>
|
||||
<TR>
|
||||
<TD><TT>glut32.lib</TT></TD>
|
||||
<TD colSpan=2><TT>C:\Program Files\Microsoft Visual Studio .NET
|
||||
2003\Vc7\PlatformSDK\Lib</TT></TD></TR>
|
||||
<TR>
|
||||
<TD><TT>glut32.h</TT></TD>
|
||||
<TD colSpan=2><TT>C:\Program Files\Microsoft Visual Studio .NET
|
||||
2003\Vc7\PlatformSDK\Include\gl</TT></TD></TR></TBODY></TABLE>
|
||||
<P><STRONG>Note:</STRONG><BR>If you plan on giving your program to friends to
|
||||
run using Windows, you must also include the <TT>glut32.dll</TT> file. If they
|
||||
don't have this file in the same directory as your application or in their
|
||||
<TT>C:\WINDOWS\system</TT> folder, the program will not run.</P>
|
||||
<H3><A id=step2>Step 2: Create a Visual Studio Project</A>
|
||||
<SPAN>back to <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#contents">top
|
||||
↑</A></SPAN></H3>
|
||||
<P>Because GLUT was designed to be window system independent <20> it makes its own
|
||||
windows <20> it is better to let GLUT run as a console application than as a native
|
||||
Windows application (which would require <TT>#include <windows.h></TT>).
|
||||
To create an empty console project in Visual Studio, do the following:</P>
|
||||
<OL>
|
||||
<LI>Create a new project ( <TT>File → New → Project...</TT> ). The <TT>New
|
||||
Project</TT> dialog will appear.<BR><IMG
|
||||
style="BORDER-RIGHT: black thin solid; BORDER-TOP: black thin solid; BORDER-LEFT: black thin solid; BORDER-BOTTOM: black thin solid"
|
||||
height=443 alt="Create a new project"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step2.jpg"
|
||||
width=415>
|
||||
<LI>In the <TT>Project Types:</TT> pane, select <TT>Visual C++ Projects</TT>.
|
||||
Then select <TT>Win32 Console Project</TT> in the <TT>Templates:</TT> pane.
|
||||
Name your project and click <TT>OK</TT>. The <TT>Win32 Application Wizard</TT>
|
||||
dialog will appear.<BR><IMG height=393 alt="Create a Win32 Console Project"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step2a.jpg"
|
||||
width=531>
|
||||
<LI>Click the <TT>Application Settings</TT> tab on the left, and check the
|
||||
<TT>Empty Project</TT> box. Then click <TT>Finish</TT>.<BR><IMG height=437
|
||||
alt="Create an empty Win32 Console Project"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step2b.jpg"
|
||||
width=615><BR>Your empty console project will be created. </LI></OL>
|
||||
<H3><A id=step3>Step 3: Add Source Code</A> <SPAN>back to <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#contents">top
|
||||
↑</A></SPAN></H3>
|
||||
<P>Adding source files to the project should be familiar to you, so a detailed
|
||||
explanation is not necessary. There are two facts you should know, however.</P>
|
||||
<OL>
|
||||
<LI>When you include GLUT in a program, it automatically includes the rest of
|
||||
the OpenGL header files. So explicitly having<BR><BR><TT>#include
|
||||
<GL/gl.h></TT><BR><TT>#include <GL/glu.h></TT><BR><BR>in either
|
||||
Linux or Windows isn't necessary, provided you include GLUT.
|
||||
<LI>Visual Studio can also recognize the forward slash as a directory
|
||||
designation in <TT>#include</TT> directives <20> Windows normally uses a
|
||||
backslash <20> so you shouldn't rewrite your code with one:<BR><BR><TT>#include
|
||||
<GL<STRONG>\</STRONG>glut.h></TT><BR><BR>If you use a backslash in
|
||||
Linux, gcc will complain. </LI></OL>
|
||||
<H3><A id=step4>Step 4: Modify Project Properties</A> <SPAN>back to
|
||||
<A href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#contents">top
|
||||
↑</A></SPAN></H3>
|
||||
<P>Before compiling your project, you need to set up Visual Studio's linker so
|
||||
it knows where to find GLUT. To do this, you must open the <TT>Property
|
||||
Pages</TT> dialog for your project. There are two ways to do this:</P>
|
||||
<OL>
|
||||
<LI>Use Visual Studio's menu option ( <TT>Project → Properties</TT> ).<BR><IMG
|
||||
style="BORDER-RIGHT: black thin solid; BORDER-TOP: black thin solid; BORDER-LEFT: black thin solid; BORDER-BOTTOM: black thin solid"
|
||||
height=363 alt="Use menu: Project -> Properties"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step4_1.jpg"
|
||||
width=453>
|
||||
<LI>Use the <TT>Solution Explorer</TT> located in the upper right corner.
|
||||
Right-click your project's name as shown and select
|
||||
<TT>Properties</TT>.<BR><IMG height=636 alt="Use Solution Explorer"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step4_2.jpg"
|
||||
width=211> </LI></OL>
|
||||
<P>Using either option, the <TT>Property Pages</TT> dialog will open. Once it
|
||||
appears, do the following:</P>
|
||||
<OL>
|
||||
<LI>From the <TT>Configuration:</TT> list box, select <TT>All
|
||||
Configurations</TT>.<BR><IMG height=440 alt="Select All Configurations"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step4a.jpg"
|
||||
width=644>
|
||||
<LI>In the left pane, select the <TT>Linker</TT> subtree and then the
|
||||
<TT>Input</TT> option. Add the given code to the <TT>Additional
|
||||
Dependencies</TT> text box in the right pane. This tells Visual Studio where
|
||||
to find GLUT. (Copy & Paste: <STRONG><TT>opengl32.lib glu32.lib
|
||||
glut32.lib</TT></STRONG> )<BR><IMG height=440 alt="Add libraries"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step4b.jpg"
|
||||
width=644>
|
||||
<LI>This step is optional. If you want to prevent your program from opening a
|
||||
console window in addition to your GLUT window when it is run, select the
|
||||
<TT>Command Line</TT> option in the left pane. Then add the given code to the
|
||||
<TT>Additional Options:</TT> text box.<BR><IMG height=440
|
||||
alt="Disable console window"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/step4c.jpg"
|
||||
width=644><BR>Visual Studio thinks it's still building a normal console
|
||||
application, which is why a console window will appear if you run your program
|
||||
from inside Visual Studio or by double-clicking its icon. The
|
||||
<STRONG><TT>/SUBSYSTEM:WINDOWS</TT></STRONG> command fools Visual Studio into
|
||||
thinking this is a windowed application, which means a console window isn't
|
||||
necessary. However, when Visual Studio makes windowed applications, it wants
|
||||
to start program execution from <TT>WinMain()</TT> or <TT>wWinMain()</TT>,
|
||||
which you haven't defined. Setting the
|
||||
<STRONG><TT>/ENTRY:mainCRTStartup</TT></STRONG> flag tells Visual Studio to
|
||||
start execution at the usual <TT>main()</TT> instead. </LI></OL>
|
||||
<P><STRONG>Note:</STRONG><BR>If you choose to disable the console window,
|
||||
remember that you won't be able to see any console output from your program
|
||||
using <TT>printf()</TT>, <TT>cout</TT>, <TT>cerr</TT>, etc.</P>
|
||||
<H3><A id=step5>Step 5: Enjoy Visual Studio</A> <SPAN>back to <A
|
||||
href="http://www.students.uwosh.edu/~bradfj23/visualstudio/#contents">top
|
||||
↑</A></SPAN></H3>
|
||||
<P>Now your program is ready for development in an excellent IDE while still
|
||||
being portable. Be sure to test your program on a Linux machine before
|
||||
submitting it for grading. Your computer at home is most likely superior to the
|
||||
ones in the lab, so inefficient code might not be apparent.</P>
|
||||
<HR>
|
||||
|
||||
<P>Last Update: April 10, 2004</P>
|
||||
<P><A href="http://validator.w3.org/check/referer"><IMG height=31
|
||||
alt="Valid XHTML 1.1!"
|
||||
src="Using OpenGL and GLUT in Visual Studio _NET 2003_files/valid-xhtml11.png"
|
||||
width=88></A></P></BODY></HTML>
|
||||
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892
CS4451/proj2/cs4451_a2.cpp
Normal file
892
CS4451/proj2/cs4451_a2.cpp
Normal file
@@ -0,0 +1,892 @@
|
||||
|
||||
/* cs4451_a2.cpp */
|
||||
/*
|
||||
* Jose Caban
|
||||
* gtg184g
|
||||
* proj2
|
||||
*/
|
||||
|
||||
|
||||
#include <math.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <iostream>
|
||||
#include <assert.h>
|
||||
|
||||
#ifdef _OS_LINUX_
|
||||
#include <GL/gl.h>
|
||||
#include <GL/glu.h>
|
||||
#endif
|
||||
|
||||
//Windows only needs glut.h care of SGI ;)
|
||||
#include <GL/glut.h>
|
||||
|
||||
|
||||
#define VPD_MIN 200
|
||||
#define VPD_DEFAULT 800
|
||||
#define VPD_MAX 1024
|
||||
|
||||
enum MENU { MENU_SWITCH_SHADING=0,
|
||||
MENU_ZOOM_IN,
|
||||
MENU_ZOOM_OUT,
|
||||
MENU_POINTS,
|
||||
MENU_LINES,
|
||||
MENU_TRIANGLES,
|
||||
MENU_SWITCH_LIGHT,
|
||||
MENU_SWITCH_CULLING,
|
||||
MENU_TURN_OFF_CULLING,
|
||||
MENU_TURN_ON_CULLING,
|
||||
MENU_RESET_MODELVIEW
|
||||
};
|
||||
|
||||
|
||||
|
||||
#define TWOPI (2.0 * M_PI)
|
||||
|
||||
///////////////////////////////////////////////////////////////////
|
||||
|
||||
//Define the Normal type
|
||||
typedef struct SNormal {
|
||||
GLfloat i;
|
||||
GLfloat j;
|
||||
GLfloat k;
|
||||
} SNormal;
|
||||
|
||||
typedef struct SPoint {
|
||||
GLfloat x;
|
||||
GLfloat y;
|
||||
GLfloat z;
|
||||
} SPoint;
|
||||
|
||||
//Define the Vertex type for use in keeping track of Vertices
|
||||
typedef struct SVertex {
|
||||
SNormal normal;
|
||||
GLfloat x;
|
||||
GLfloat y;
|
||||
GLfloat z;
|
||||
} SVertex;
|
||||
|
||||
//Define the Data structure that will hold all the vertices
|
||||
typedef struct SVertexList {
|
||||
SVertex* vertices;
|
||||
int length;
|
||||
} SVertexList;
|
||||
|
||||
//Define a Triangle (a1,a2,a3 are indices to the SVertexList
|
||||
typedef struct STriangle {
|
||||
SNormal normal;
|
||||
GLint a1,a2,a3;
|
||||
} STriangle;
|
||||
|
||||
typedef struct STriangleList {
|
||||
STriangle* triangles;
|
||||
GLint length;
|
||||
} STriangleList;
|
||||
|
||||
//////////////////////////////////////////////////////////////////////
|
||||
|
||||
//////////////////////////////////////////////////////
|
||||
// Globals
|
||||
|
||||
SVertexList vertexList;
|
||||
STriangleList triList;
|
||||
GLfloat currModelTransform[16];
|
||||
|
||||
GLint wid; /* GLUT window id */
|
||||
GLint vpd = VPD_DEFAULT; /* (square) viewport dimensions */
|
||||
|
||||
GLuint triangleScene; /* display list ID */
|
||||
GLuint gouraudID; /* gouraud display list ID */
|
||||
GLuint flatID; /* flat display list ID */
|
||||
|
||||
GLfloat angle1 = 0; /* angles used in animation */
|
||||
GLfloat angle2 = 0;
|
||||
GLfloat dangle1 = 0.57;
|
||||
GLfloat dangle2 = 0.71;
|
||||
|
||||
GLdouble viewDist = 8.0; /* Changes the view distance view */
|
||||
|
||||
GLuint cullMode = GL_BACK;
|
||||
GLboolean worldLight = GL_TRUE;
|
||||
|
||||
///////////////////////////////////////////////////////
|
||||
|
||||
|
||||
///////////////////////////////////////////////////////
|
||||
//Functions
|
||||
|
||||
/*
|
||||
* Input scanner
|
||||
*/
|
||||
void scanInput(GLvoid);
|
||||
|
||||
/*
|
||||
* Initialize the Light Source
|
||||
*/
|
||||
GLvoid init_lightsource ( GLvoid )
|
||||
{
|
||||
GLfloat light_ambient[] = { .1, .1, .1, 1.0 };
|
||||
GLfloat light_diffuse[] = { .9, .9, .9, 1.0 };
|
||||
GLfloat light_specular[] = { 0, 0, 0, 1.0 };
|
||||
GLfloat light_position[] = { 2.0, 2.0, 2.0, 0.0 };
|
||||
|
||||
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
|
||||
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
|
||||
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
|
||||
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
|
||||
glLightf(GL_LIGHT0,GL_CONSTANT_ATTENUATION,1.0);
|
||||
glLightf(GL_LIGHT0,GL_LINEAR_ATTENUATION,0.0);
|
||||
glLightf(GL_LIGHT0,GL_QUADRATIC_ATTENUATION,0.0);
|
||||
|
||||
glEnable(GL_LIGHTING);
|
||||
glEnable(GL_LIGHT0);
|
||||
}
|
||||
|
||||
GLvoid set_material_properties ( GLfloat r, GLfloat g, GLfloat b )
|
||||
{
|
||||
GLfloat mat_specular[4] = { 0.0, 0.0, 0.0, 1.0 };
|
||||
GLfloat mat_ambient_and_diffuse[4] = { 0.5, 0.5, 0.5, 1.0 };
|
||||
GLfloat mat_shininess[1] = { 0.0 };
|
||||
|
||||
mat_specular[0] = mat_ambient_and_diffuse[0] = r;
|
||||
mat_specular[1] = mat_ambient_and_diffuse[1] = g;
|
||||
mat_specular[2] = mat_ambient_and_diffuse[2] = b;
|
||||
|
||||
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
|
||||
glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess);
|
||||
glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_ambient_and_diffuse);
|
||||
|
||||
}
|
||||
|
||||
|
||||
inline void cross(SNormal& dest, SVertex& a, SVertex& b) {
|
||||
dest.i = ( (a.y*b.z) - (a.z*b.y) ); //i
|
||||
dest.j = ( (a.z*b.x) - (a.x*b.z) ); //j
|
||||
dest.k = ( (a.x*b.y) - (a.y*b.x) ); //k
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Initialize the scene
|
||||
*
|
||||
*/
|
||||
GLuint init_flat_scene ( )
|
||||
{
|
||||
GLuint sceneList = glGenLists(1);
|
||||
|
||||
SNormal tempNormal;
|
||||
SVertex a1, a2, a3;
|
||||
|
||||
glNewList(sceneList,GL_COMPILE);
|
||||
glBegin(GL_TRIANGLES);
|
||||
|
||||
for (int i = 0; i < triList.length; i++) {
|
||||
|
||||
a1 = vertexList.vertices[triList.triangles[i].a1];
|
||||
a2 = vertexList.vertices[triList.triangles[i].a2];
|
||||
a3 = vertexList.vertices[triList.triangles[i].a3];
|
||||
|
||||
tempNormal = triList.triangles[i].normal;
|
||||
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
|
||||
glVertex3f(a1.x, a1.y, a1.z);
|
||||
glVertex3f(a2.x, a2.y, a2.z);
|
||||
glVertex3f(a3.x, a3.y, a3.z);
|
||||
}
|
||||
|
||||
glEnd();
|
||||
|
||||
glEndList();
|
||||
|
||||
return sceneList;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Initialize the gouraud scene
|
||||
*/
|
||||
GLuint init_gouraud_scene ( )
|
||||
{
|
||||
GLuint sceneList = glGenLists(1);
|
||||
|
||||
SNormal tempNormal;
|
||||
SVertex a1, a2, a3;
|
||||
|
||||
glNewList(sceneList,GL_COMPILE);
|
||||
glBegin(GL_TRIANGLES);
|
||||
|
||||
for (int i = 0; i < triList.length; i++) {
|
||||
|
||||
a1 = vertexList.vertices[triList.triangles[i].a1];
|
||||
a2 = vertexList.vertices[triList.triangles[i].a2];
|
||||
a3 = vertexList.vertices[triList.triangles[i].a3];
|
||||
|
||||
tempNormal = a1.normal;
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
glVertex3f(a1.x, a1.y, a1.z);
|
||||
|
||||
tempNormal = a2.normal;
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
glVertex3f(a2.x, a2.y, a2.z);
|
||||
|
||||
tempNormal = a3.normal;
|
||||
glNormal3f(tempNormal.i, tempNormal.j, tempNormal.k);
|
||||
glVertex3f(a3.x, a3.y, a3.z);
|
||||
}
|
||||
|
||||
glEnd();
|
||||
|
||||
glEndList();
|
||||
|
||||
return sceneList;
|
||||
}
|
||||
|
||||
|
||||
GLuint create_scene(GLuint triangleList) {
|
||||
GLuint sceneList = glGenLists(1);
|
||||
|
||||
glNewList(sceneList,GL_COMPILE);
|
||||
|
||||
set_material_properties(1.0,1.0,1.0);
|
||||
|
||||
/* Correctly size the object */
|
||||
assert(vertexList.length > 0);
|
||||
|
||||
SVertex Max;
|
||||
SVertex Min;
|
||||
SVertex Center;
|
||||
|
||||
Max.x = Min.x = vertexList.vertices[0].x;
|
||||
Max.y = Min.y = vertexList.vertices[0].y;
|
||||
Max.z = Min.z = vertexList.vertices[0].z;
|
||||
|
||||
for (int i = 1; i < vertexList.length; i++) {
|
||||
if (vertexList.vertices[i].x > Max.x) {
|
||||
Max.x = vertexList.vertices[i].x;
|
||||
} else if (vertexList.vertices[i].x < Min.x) {
|
||||
Min.x = vertexList.vertices[i].x;
|
||||
}
|
||||
|
||||
if (vertexList.vertices[i].y > Max.y) {
|
||||
Max.y = vertexList.vertices[i].y;
|
||||
} else if (vertexList.vertices[i].y < Min.y) {
|
||||
Min.y = vertexList.vertices[i].y;
|
||||
}
|
||||
|
||||
if (vertexList.vertices[i].z > Max.z) {
|
||||
Max.z = vertexList.vertices[i].z;
|
||||
} else if (vertexList.vertices[i].z < Min.z) {
|
||||
Min.z = vertexList.vertices[i].z;
|
||||
}
|
||||
}
|
||||
|
||||
Center.x = (Max.x + Min.x) / 2.;
|
||||
Center.y = (Max.y + Min.y) / 2.;
|
||||
Center.z = (Max.z + Min.z) / 2.;
|
||||
|
||||
float scaleX, scaleY, scaleZ;
|
||||
scaleX = (Max.x - Min.x) / 2.;
|
||||
scaleY = (Max.y - Min.y) / 2.;
|
||||
scaleZ = (Max.z - Min.z) / 2.;
|
||||
|
||||
float scaleFactor;
|
||||
|
||||
scaleFactor = scaleX > scaleY ? scaleX : scaleY;
|
||||
scaleFactor = scaleZ > scaleFactor ? scaleZ : scaleFactor;
|
||||
scaleFactor = 1. / scaleFactor;
|
||||
|
||||
//printf("ScaleFactor: %f\n",scaleFactor);
|
||||
|
||||
glPushMatrix();
|
||||
glTranslatef(0.-(Center.x*scaleFactor),0.-(Center.y*scaleFactor),0.-(Center.z*scaleFactor));
|
||||
glScalef(scaleFactor,scaleFactor,scaleFactor);
|
||||
glCallList(triangleList);
|
||||
glPopMatrix();
|
||||
|
||||
glEndList();
|
||||
|
||||
return sceneList;
|
||||
}
|
||||
|
||||
GLuint create_flat_scene ( )
|
||||
{
|
||||
return create_scene( init_flat_scene() );
|
||||
}
|
||||
|
||||
GLuint create_gouraud_scene ( )
|
||||
{
|
||||
return create_scene( init_gouraud_scene() );
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* redraw the scene */
|
||||
|
||||
GLvoid draw(GLvoid)
|
||||
{
|
||||
/* set the projection matrix */
|
||||
glMatrixMode(GL_PROJECTION);
|
||||
glLoadIdentity();
|
||||
gluPerspective(viewDist,1.0,15.0,25.0);
|
||||
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glLoadIdentity();
|
||||
|
||||
/* initialize light */
|
||||
if (worldLight) {
|
||||
//World Lighting
|
||||
init_lightsource();
|
||||
glTranslatef(0,0,-20);
|
||||
glMultMatrixf(currModelTransform);
|
||||
} else {
|
||||
//Model Lighting
|
||||
glTranslatef(0,0,-20);
|
||||
glMultMatrixf(currModelTransform);
|
||||
init_lightsource();
|
||||
}
|
||||
|
||||
/* ensure we're drawing to the correct GLUT window */
|
||||
glutSetWindow(wid);
|
||||
|
||||
/* clear the color buffers */
|
||||
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
|
||||
|
||||
/* DRAW WHAT IS IN THE DISPLAY LIST */
|
||||
glCallList(triangleScene);
|
||||
|
||||
/* flush the pipeline */
|
||||
glFlush();
|
||||
|
||||
/* look at our handiwork */
|
||||
glutSwapBuffers();
|
||||
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* handle mouse events */
|
||||
SPoint oldPoint; //stores the previous point used in the virtual trackball
|
||||
|
||||
GLvoid mouse_button(GLint btn, GLint state, GLint mx, GLint my)
|
||||
{
|
||||
switch( btn ) {
|
||||
case GLUT_LEFT_BUTTON:
|
||||
switch( state ) {
|
||||
case GLUT_DOWN:
|
||||
oldPoint.x = mx;
|
||||
oldPoint.y = my;
|
||||
oldPoint.z = -1;
|
||||
break;
|
||||
case GLUT_UP:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GLUT_MIDDLE_BUTTON:
|
||||
switch( state ) {
|
||||
case GLUT_DOWN:
|
||||
break;
|
||||
case GLUT_UP:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case GLUT_RIGHT_BUTTON:
|
||||
switch( state ) {
|
||||
case GLUT_DOWN:
|
||||
break;
|
||||
case GLUT_UP:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
inline void scalePoint(SPoint& p, GLint mx, GLint my) {
|
||||
//scale to -1 and 1
|
||||
float scale = ceil(vpd/2.);
|
||||
p.x = (mx / scale) -1.;
|
||||
p.y = (my / scale) -1.;
|
||||
p.y*=-1.; //handle reversed y
|
||||
|
||||
p.z = 1.-pow(p.x,2)-pow(p.y,2);
|
||||
|
||||
if (p.z < 0) {
|
||||
float under = sqrt((p.x*p.x)+(p.y*p.y));
|
||||
p.x /= under;
|
||||
p.y /= under;
|
||||
p.z = 0;
|
||||
} else {
|
||||
p.z = sqrt(p.z);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
inline GLfloat vecLength(SPoint& p) {
|
||||
return sqrt(pow(p.x,2)+pow(p.y,2)+pow(p.z,2));
|
||||
}
|
||||
|
||||
inline GLfloat dot(SPoint &a, SPoint &b) {
|
||||
return (a.x*b.x)+(a.y*b.y)+(a.z*b.z);
|
||||
}
|
||||
|
||||
inline void cross(SPoint &dest, SPoint &a, SPoint &b) {
|
||||
|
||||
dest.x = ( (a.y*b.z) - (a.z*b.y) ); //i
|
||||
dest.y = ( (a.z*b.x) - (a.x*b.z) ); //j
|
||||
dest.z = ( (a.x*b.y) - (a.y*b.x) ); //k
|
||||
}
|
||||
|
||||
inline void calcAngle(GLfloat *newMatrix, GLfloat angle, SPoint& a) {
|
||||
newMatrix[0] = 1.+(1.-cos(angle))*(pow(a.x,2)-1.);
|
||||
newMatrix[1] = a.z*sin(angle) + (1.-cos(angle)) * a.x * a.y;
|
||||
newMatrix[2] = -1. * a.y * sin(angle) + (1.-cos(angle))*a.x*a.z;
|
||||
newMatrix[3] = 0;
|
||||
newMatrix[4] = -1. * a.z * sin(angle) + (1.-cos(angle)) * a.x * a.y;
|
||||
newMatrix[5] = 1. + (1. - cos(angle))*(pow(a.y,2)-1.);
|
||||
newMatrix[6] = a.x * sin(angle) + (1.-cos(angle))*a.y*a.z;
|
||||
newMatrix[7] = 0;
|
||||
newMatrix[8] = a.y * sin(angle) + (1.-cos(angle))*a.x * a.z;
|
||||
newMatrix[9] = -1. * a.x * sin(angle) + (1.-cos(angle))*a.y*a.z;
|
||||
newMatrix[10] = 1. + (1.-cos(angle))*(pow(a.z,2)-1.);
|
||||
newMatrix[11] = newMatrix[12] = newMatrix[13] = newMatrix[14] = 0;
|
||||
newMatrix[15] = 1.;
|
||||
}
|
||||
|
||||
GLvoid button_motion(GLint mx, GLint my)
|
||||
{
|
||||
/* First calculate P */
|
||||
static SPoint v;
|
||||
SPoint p, w, a;
|
||||
|
||||
//Give us the scaled p on the sphere
|
||||
scalePoint(p,mx,my);
|
||||
|
||||
//get the unit vector of p
|
||||
GLfloat length = vecLength(p);
|
||||
if (length==0) {
|
||||
return;
|
||||
} else {
|
||||
w.x = p.x / length;
|
||||
w.y = p.y / length;
|
||||
w.z = p.z / length;
|
||||
}
|
||||
|
||||
//This is the first time the movement has been made
|
||||
if (oldPoint.z == -1) {
|
||||
scalePoint(oldPoint,(int)oldPoint.x,(int)oldPoint.y);
|
||||
|
||||
length = vecLength(oldPoint);
|
||||
if (length==0) {
|
||||
return;
|
||||
} else {
|
||||
v.x = oldPoint.x / length;
|
||||
v.y = oldPoint.y / length;
|
||||
v.z = oldPoint.z / length;
|
||||
}
|
||||
}
|
||||
|
||||
cross(a,oldPoint,p);
|
||||
length = vecLength(a);
|
||||
if (length==0) {
|
||||
return;
|
||||
} else {
|
||||
a.x /= length;
|
||||
a.y /= length;
|
||||
a.z /= length;
|
||||
}
|
||||
|
||||
GLfloat angle = dot(v,w);
|
||||
if (angle > 1) {
|
||||
angle = 1;
|
||||
} else if (angle < -1) {
|
||||
angle = -1;
|
||||
}
|
||||
|
||||
angle = acos(angle);
|
||||
|
||||
/* Perform the rotation calculation */
|
||||
GLfloat newMatrix[16];
|
||||
|
||||
calcAngle(newMatrix,angle,a);
|
||||
|
||||
/* Make OpenGL do our work */
|
||||
glPushMatrix();
|
||||
glLoadMatrixf(newMatrix);
|
||||
glMultMatrixf(currModelTransform);
|
||||
glGetFloatv(GL_MODELVIEW_MATRIX,currModelTransform);
|
||||
glMatrixMode(GL_MODELVIEW);
|
||||
glPopMatrix();
|
||||
|
||||
oldPoint = p;
|
||||
v = w;
|
||||
|
||||
glutPostRedisplay();
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
GLvoid passive_motion(GLint mx, GLint my)
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* handle keyboard events; here, just exit if ESC is hit */
|
||||
|
||||
GLvoid keyboard(GLubyte key, GLint x, GLint y)
|
||||
{
|
||||
switch(key) {
|
||||
case 27: /* ESC */
|
||||
exit(0);
|
||||
case 'w':
|
||||
viewDist -= .1;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case 's':
|
||||
viewDist += .1;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case 'a':
|
||||
currModelTransform[12] -= .01;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case 'd':
|
||||
currModelTransform[12] += .01;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
GLvoid menu ( int value )
|
||||
{
|
||||
switch(value)
|
||||
{
|
||||
case MENU_SWITCH_SHADING:
|
||||
if (triangleScene == gouraudID) {
|
||||
glShadeModel(GL_FLAT);
|
||||
triangleScene = flatID;
|
||||
} else {
|
||||
glShadeModel(GL_SMOOTH);
|
||||
triangleScene = gouraudID;
|
||||
}
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_ZOOM_IN:
|
||||
viewDist -= 1.;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_ZOOM_OUT:
|
||||
viewDist += 1.;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_POINTS:
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_LINES:
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_TRIANGLES:
|
||||
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_SWITCH_CULLING:
|
||||
if (cullMode == GL_FRONT) {
|
||||
glCullFace(GL_BACK);
|
||||
cullMode = GL_BACK;
|
||||
} else {
|
||||
glCullFace(GL_FRONT);
|
||||
cullMode = GL_FRONT;
|
||||
}
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_TURN_ON_CULLING:
|
||||
glEnable(GL_CULL_FACE);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_TURN_OFF_CULLING:
|
||||
glDisable(GL_CULL_FACE);
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_SWITCH_LIGHT:
|
||||
worldLight = !worldLight;
|
||||
glutPostRedisplay();
|
||||
break;
|
||||
case MENU_RESET_MODELVIEW:
|
||||
glPushMatrix();
|
||||
glLoadIdentity();
|
||||
glGetFloatv(GL_MODELVIEW_MATRIX,currModelTransform);
|
||||
glPopMatrix();
|
||||
glutPostRedisplay();
|
||||
default: break;
|
||||
}
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
/* handle resizing the glut window */
|
||||
|
||||
GLvoid reshape(GLint vpw, GLint vph)
|
||||
{
|
||||
glutSetWindow(wid);
|
||||
|
||||
/* maintain a square viewport, not too small, not too big */
|
||||
if( vpw < vph ) vpd = vph;
|
||||
else vpd = vpw;
|
||||
|
||||
if( vpd < VPD_MIN ) vpd = VPD_MIN;
|
||||
if( vpd > VPD_MAX ) vpd = VPD_MAX;
|
||||
|
||||
glViewport(0, 0, vpd, vpd);
|
||||
glutReshapeWindow(vpd, vpd);
|
||||
|
||||
glutPostRedisplay();
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
GLint init_glut(GLint *argc, char **argv)
|
||||
{
|
||||
GLint id;
|
||||
|
||||
glutInit(argc,argv);
|
||||
|
||||
/* size and placement hints to the window system */
|
||||
glutInitWindowSize(vpd, vpd);
|
||||
glutInitWindowPosition(10,10);
|
||||
|
||||
/* double buffered, RGB color mode */
|
||||
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
|
||||
|
||||
/* create a GLUT window (not drawn until glutMainLoop() is entered) */
|
||||
id = glutCreateWindow("cs4451 assignment 2");
|
||||
|
||||
/* register callbacks */
|
||||
|
||||
/* window size changes */
|
||||
glutReshapeFunc(reshape);
|
||||
|
||||
/* keypress handling when the current window has input focus */
|
||||
glutKeyboardFunc(keyboard);
|
||||
|
||||
/* mouse event handling */
|
||||
glutMouseFunc(mouse_button); /* button press/release */
|
||||
glutMotionFunc(button_motion); /* mouse motion w/ button down */
|
||||
glutPassiveMotionFunc(passive_motion); /* mouse motion with button up */
|
||||
|
||||
/* window obscured/revealed event handler */
|
||||
glutVisibilityFunc(NULL);
|
||||
|
||||
/* handling of keyboard SHIFT, ALT, CTRL keys */
|
||||
glutSpecialFunc(NULL);
|
||||
|
||||
/* what to do when mouse cursor enters/exits the current window */
|
||||
glutEntryFunc(NULL);
|
||||
|
||||
/* what to do on each display loop iteration */
|
||||
glutDisplayFunc(draw);
|
||||
|
||||
/* Create the menu */
|
||||
|
||||
//Create the Zoom Menu
|
||||
GLint zoomMenu = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Zoom In (w)",MENU_ZOOM_IN);
|
||||
glutAddMenuEntry("Zoom Out (s)",MENU_ZOOM_OUT);
|
||||
|
||||
//Create the Render Mode Menu
|
||||
GLint renderMenu = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Points Only",MENU_POINTS);
|
||||
glutAddMenuEntry("Lines Only",MENU_LINES);
|
||||
glutAddMenuEntry("Full Model",MENU_TRIANGLES);
|
||||
|
||||
//Create the Culling Menu
|
||||
GLint cullingMenu = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Switch Culling Mode",MENU_SWITCH_CULLING);
|
||||
glutAddMenuEntry("Turn on Culling",MENU_TURN_ON_CULLING);
|
||||
glutAddMenuEntry("Turn off Culling",MENU_TURN_OFF_CULLING);
|
||||
|
||||
GLint menuID = glutCreateMenu(menu);
|
||||
glutAddMenuEntry("Switch Shading Mode",MENU_SWITCH_SHADING);
|
||||
glutAddMenuEntry("Toggle World/Model Relative Light",MENU_SWITCH_LIGHT);
|
||||
|
||||
glutAddSubMenu("Zoom",zoomMenu);
|
||||
glutAddSubMenu("Render", renderMenu);
|
||||
glutAddSubMenu("Culling", cullingMenu);
|
||||
|
||||
glutAddMenuEntry("Reset View Model",MENU_RESET_MODELVIEW);
|
||||
|
||||
glutSetMenu(menuID);
|
||||
|
||||
glutAttachMenu(GLUT_RIGHT_BUTTON);
|
||||
|
||||
return id;
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
GLvoid init_opengl(GLvoid)
|
||||
{
|
||||
/* back-face culling on */
|
||||
glEnable(GL_CULL_FACE);
|
||||
glCullFace(GL_BACK); /* We want to cull the back */
|
||||
glFrontFace(GL_CW); /* The vertices we get are clockwise */
|
||||
|
||||
/* automatically scale normals to unit length after transformation */
|
||||
glEnable(GL_NORMALIZE);
|
||||
|
||||
/* clear to BLACK */
|
||||
glClearColor(0.0, 0.0, 0.0, 1.0);
|
||||
|
||||
/* Enable depth test */
|
||||
glEnable(GL_DEPTH_TEST);
|
||||
}
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
void generateNormals() {
|
||||
|
||||
/* Generate normals for triangles and Vertices */
|
||||
SNormal tempNormal;
|
||||
|
||||
SVertex a1a2, a1a3;
|
||||
SVertex a1, a2, a3;
|
||||
|
||||
for (int i = 0; i < triList.length; i++) {
|
||||
|
||||
a1 = vertexList.vertices[triList.triangles[i].a1];
|
||||
a2 = vertexList.vertices[triList.triangles[i].a2];
|
||||
a3 = vertexList.vertices[triList.triangles[i].a3];
|
||||
|
||||
a1a2.x = a2.x - a1.x;
|
||||
a1a2.y = a2.y - a1.y;
|
||||
a1a2.z = a2.z - a1.z;
|
||||
|
||||
a1a3.x = a3.x - a1.x;
|
||||
a1a3.y = a3.y - a1.y;
|
||||
a1a3.z = a3.z - a1.z;
|
||||
|
||||
cross(tempNormal,a1a2,a1a3);
|
||||
|
||||
tempNormal.i *= -1;
|
||||
tempNormal.j *= -1;
|
||||
tempNormal.k *= -1;
|
||||
|
||||
/* Store the normal for the triangle */
|
||||
triList.triangles[i].normal = tempNormal;
|
||||
|
||||
/* Add this normal to the normal of all the vertices */
|
||||
vertexList.vertices[triList.triangles[i].a1].normal.i += tempNormal.i;
|
||||
vertexList.vertices[triList.triangles[i].a1].normal.j += tempNormal.j;
|
||||
vertexList.vertices[triList.triangles[i].a1].normal.k += tempNormal.k;
|
||||
|
||||
vertexList.vertices[triList.triangles[i].a2].normal.i += tempNormal.i;
|
||||
vertexList.vertices[triList.triangles[i].a2].normal.j += tempNormal.j;
|
||||
vertexList.vertices[triList.triangles[i].a2].normal.k += tempNormal.k;
|
||||
|
||||
vertexList.vertices[triList.triangles[i].a3].normal.i += tempNormal.i;
|
||||
vertexList.vertices[triList.triangles[i].a3].normal.j += tempNormal.j;
|
||||
vertexList.vertices[triList.triangles[i].a3].normal.k += tempNormal.k;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* --------------------------------------------- */
|
||||
|
||||
|
||||
GLint main(GLint argc, char **argv)
|
||||
{
|
||||
|
||||
/* Scan Input */
|
||||
scanInput();
|
||||
generateNormals();
|
||||
|
||||
/* initialize light */
|
||||
init_lightsource();
|
||||
|
||||
/* Initialize the currentTransformation */
|
||||
currModelTransform[0] = 1;
|
||||
currModelTransform[5] = 1;
|
||||
currModelTransform[10] = 1;
|
||||
currModelTransform[15] = 1;
|
||||
|
||||
/* initialize GLUT: register callbacks, etc */
|
||||
wid = init_glut(&argc, argv);
|
||||
|
||||
/* any OpenGL state initialization we need to do */
|
||||
init_opengl();
|
||||
|
||||
/* CREATE THE DISPLAY LIST FOR THE SCENE */
|
||||
|
||||
flatID = create_flat_scene();
|
||||
gouraudID = create_gouraud_scene();
|
||||
|
||||
triangleScene = gouraudID;
|
||||
|
||||
glutMainLoop();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
void scanInput(GLvoid) {
|
||||
char input[81];
|
||||
char *inputPtr;
|
||||
int i;
|
||||
|
||||
//Get the # of vertices and # of triangles
|
||||
std::cin.getline(input,81);
|
||||
|
||||
triList.length = strtol(input,&inputPtr,0);
|
||||
triList.triangles = (STriangle*)malloc(sizeof(STriangle)*triList.length);
|
||||
|
||||
vertexList.length = strtol(inputPtr,NULL,0);
|
||||
vertexList.vertices = (SVertex*)malloc(sizeof(SVertex)*vertexList.length);
|
||||
|
||||
//Skip over the first newline
|
||||
std::cin.getline(input,81);
|
||||
|
||||
for (i=0; i < triList.length; i++) {
|
||||
std::cin.getline(input,81);
|
||||
|
||||
//get points
|
||||
triList.triangles[i].a1 = strtol(input,&inputPtr,0);
|
||||
triList.triangles[i].a2 = strtol(inputPtr,&inputPtr,0);
|
||||
triList.triangles[i].a3 = strtol(inputPtr,NULL,0);
|
||||
triList.triangles[i].normal.i = 0;
|
||||
triList.triangles[i].normal.j = 0;
|
||||
triList.triangles[i].normal.k = 0;
|
||||
}
|
||||
|
||||
//skip over separation newline
|
||||
std::cin.getline(input,81);
|
||||
|
||||
for (i=0; i < vertexList.length; i++) {
|
||||
std::cin.getline(input,81);
|
||||
|
||||
//get coordinates
|
||||
vertexList.vertices[i].x = strtod(input,&inputPtr);
|
||||
vertexList.vertices[i].y = strtod(inputPtr,&inputPtr);
|
||||
vertexList.vertices[i].z = strtod(inputPtr,NULL);
|
||||
|
||||
vertexList.vertices[i].normal.i = 0;
|
||||
vertexList.vertices[i].normal.j = 0;
|
||||
vertexList.vertices[i].normal.k = 0;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
BIN
CS4451/proj2/proj2.pdf
Normal file
BIN
CS4451/proj2/proj2.pdf
Normal file
Binary file not shown.
BIN
CS4451/proj2/proj2b.tar.tar
Normal file
BIN
CS4451/proj2/proj2b.tar.tar
Normal file
Binary file not shown.
BIN
CS4451/proj2/vtrackball.pdf
Normal file
BIN
CS4451/proj2/vtrackball.pdf
Normal file
Binary file not shown.
BIN
CS4451/proj2/win32_proj2.ncb
Normal file
BIN
CS4451/proj2/win32_proj2.ncb
Normal file
Binary file not shown.
21
CS4451/proj2/win32_proj2.sln
Normal file
21
CS4451/proj2/win32_proj2.sln
Normal file
@@ -0,0 +1,21 @@
|
||||
Microsoft Visual Studio Solution File, Format Version 8.00
|
||||
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "win32_proj2", "win32_proj2.vcproj", "{FA6D5408-9376-4663-A5C6-52DBAB5F2D65}"
|
||||
ProjectSection(ProjectDependencies) = postProject
|
||||
EndProjectSection
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfiguration) = preSolution
|
||||
Debug = Debug
|
||||
Release = Release
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfiguration) = postSolution
|
||||
{FA6D5408-9376-4663-A5C6-52DBAB5F2D65}.Debug.ActiveCfg = Debug|Win32
|
||||
{FA6D5408-9376-4663-A5C6-52DBAB5F2D65}.Debug.Build.0 = Debug|Win32
|
||||
{FA6D5408-9376-4663-A5C6-52DBAB5F2D65}.Release.ActiveCfg = Release|Win32
|
||||
{FA6D5408-9376-4663-A5C6-52DBAB5F2D65}.Release.Build.0 = Release|Win32
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityAddIns) = postSolution
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
BIN
CS4451/proj2/win32_proj2.suo
Normal file
BIN
CS4451/proj2/win32_proj2.suo
Normal file
Binary file not shown.
143
CS4451/proj2/win32_proj2.vcproj
Normal file
143
CS4451/proj2/win32_proj2.vcproj
Normal file
@@ -0,0 +1,143 @@
|
||||
<?xml version="1.0" encoding="Windows-1252"?>
|
||||
<VisualStudioProject
|
||||
ProjectType="Visual C++"
|
||||
Version="7.10"
|
||||
Name="win32_proj2"
|
||||
ProjectGUID="{FA6D5408-9376-4663-A5C6-52DBAB5F2D65}"
|
||||
Keyword="Win32Proj">
|
||||
<Platforms>
|
||||
<Platform
|
||||
Name="Win32"/>
|
||||
</Platforms>
|
||||
<Configurations>
|
||||
<Configuration
|
||||
Name="Debug|Win32"
|
||||
OutputDirectory="Debug"
|
||||
IntermediateDirectory="Debug"
|
||||
ConfigurationType="1"
|
||||
CharacterSet="2">
|
||||
<Tool
|
||||
Name="VCCLCompilerTool"
|
||||
Optimization="0"
|
||||
AdditionalIncludeDirectories=""
|
||||
PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
|
||||
MinimalRebuild="TRUE"
|
||||
BasicRuntimeChecks="3"
|
||||
RuntimeLibrary="5"
|
||||
UsePrecompiledHeader="0"
|
||||
WarningLevel="3"
|
||||
Detect64BitPortabilityProblems="TRUE"
|
||||
DebugInformationFormat="4"/>
|
||||
<Tool
|
||||
Name="VCCustomBuildTool"/>
|
||||
<Tool
|
||||
Name="VCLinkerTool"
|
||||
AdditionalDependencies="opengl32.lib glu32.lib glut32.lib"
|
||||
OutputFile="$(OutDir)/win32_proj2.exe"
|
||||
LinkIncremental="2"
|
||||
GenerateDebugInformation="TRUE"
|
||||
ProgramDatabaseFile="$(OutDir)/win32_proj2.pdb"
|
||||
SubSystem="1"
|
||||
TargetMachine="1"/>
|
||||
<Tool
|
||||
Name="VCMIDLTool"/>
|
||||
<Tool
|
||||
Name="VCPostBuildEventTool"/>
|
||||
<Tool
|
||||
Name="VCPreBuildEventTool"/>
|
||||
<Tool
|
||||
Name="VCPreLinkEventTool"/>
|
||||
<Tool
|
||||
Name="VCResourceCompilerTool"/>
|
||||
<Tool
|
||||
Name="VCWebServiceProxyGeneratorTool"/>
|
||||
<Tool
|
||||
Name="VCXMLDataGeneratorTool"/>
|
||||
<Tool
|
||||
Name="VCWebDeploymentTool"/>
|
||||
<Tool
|
||||
Name="VCManagedWrapperGeneratorTool"/>
|
||||
<Tool
|
||||
Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
|
||||
</Configuration>
|
||||
<Configuration
|
||||
Name="Release|Win32"
|
||||
OutputDirectory="Release"
|
||||
IntermediateDirectory="Release"
|
||||
ConfigurationType="1"
|
||||
CharacterSet="2">
|
||||
<Tool
|
||||
Name="VCCLCompilerTool"
|
||||
Optimization="3"
|
||||
GlobalOptimizations="TRUE"
|
||||
InlineFunctionExpansion="2"
|
||||
EnableIntrinsicFunctions="TRUE"
|
||||
FavorSizeOrSpeed="1"
|
||||
OmitFramePointers="TRUE"
|
||||
OptimizeForProcessor="2"
|
||||
OptimizeForWindowsApplication="TRUE"
|
||||
PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
|
||||
RuntimeLibrary="4"
|
||||
UsePrecompiledHeader="0"
|
||||
WarningLevel="3"
|
||||
Detect64BitPortabilityProblems="TRUE"
|
||||
DebugInformationFormat="3"/>
|
||||
<Tool
|
||||
Name="VCCustomBuildTool"/>
|
||||
<Tool
|
||||
Name="VCLinkerTool"
|
||||
AdditionalDependencies="opengl32.lib glu32.lib glut32.lib"
|
||||
OutputFile="$(OutDir)/win32_proj2.exe"
|
||||
LinkIncremental="1"
|
||||
GenerateDebugInformation="TRUE"
|
||||
SubSystem="1"
|
||||
OptimizeReferences="2"
|
||||
EnableCOMDATFolding="2"
|
||||
TargetMachine="1"/>
|
||||
<Tool
|
||||
Name="VCMIDLTool"/>
|
||||
<Tool
|
||||
Name="VCPostBuildEventTool"/>
|
||||
<Tool
|
||||
Name="VCPreBuildEventTool"/>
|
||||
<Tool
|
||||
Name="VCPreLinkEventTool"/>
|
||||
<Tool
|
||||
Name="VCResourceCompilerTool"/>
|
||||
<Tool
|
||||
Name="VCWebServiceProxyGeneratorTool"/>
|
||||
<Tool
|
||||
Name="VCXMLDataGeneratorTool"/>
|
||||
<Tool
|
||||
Name="VCWebDeploymentTool"/>
|
||||
<Tool
|
||||
Name="VCManagedWrapperGeneratorTool"/>
|
||||
<Tool
|
||||
Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
|
||||
</Configuration>
|
||||
</Configurations>
|
||||
<References>
|
||||
</References>
|
||||
<Files>
|
||||
<Filter
|
||||
Name="Source Files"
|
||||
Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
|
||||
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
|
||||
<File
|
||||
RelativePath=".\cs4451_a2.cpp">
|
||||
</File>
|
||||
</Filter>
|
||||
<Filter
|
||||
Name="Header Files"
|
||||
Filter="h;hpp;hxx;hm;inl;inc;xsd"
|
||||
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
|
||||
</Filter>
|
||||
<Filter
|
||||
Name="Resource Files"
|
||||
Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
|
||||
UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}">
|
||||
</Filter>
|
||||
</Files>
|
||||
<Globals>
|
||||
</Globals>
|
||||
</VisualStudioProject>
|
||||
Reference in New Issue
Block a user