File size: 34,233 Bytes
3343249
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0e943d3
 
 
 
 
 
 
 
 
3343249
 
 
 
 
 
 
 
 
 
0e943d3
3343249
 
 
 
 
 
 
0e943d3
3343249
 
 
0e943d3
3343249
 
 
0e943d3
3343249
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
0e943d3
 
3343249
0e943d3
 
3343249
 
 
 
 
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
 
0e943d3
3343249
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
0e943d3
 
3343249
0e943d3
 
3343249
 
 
 
 
0e943d3
3343249
 
 
0e943d3
3343249
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
0e943d3
 
3343249
0e943d3
 
3343249
 
 
 
 
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
 
0e943d3
3343249
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
0e943d3
 
3343249
0e943d3
 
3343249
 
 
 
 
0e943d3
3343249
 
 
0e943d3
3343249
 
0e943d3
3343249
 
 
0e943d3
3343249
0e943d3
 
3343249
 
 
 
 
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
 
0e943d3
3343249
 
0e943d3
3343249
 
 
0e943d3
3343249
 
 
 
 
 
 
 
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
 
0e943d3
3343249
 
0e943d3
3343249
 
 
0e943d3
3343249
 
0e943d3
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
3343249
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0e943d3
3343249
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>3D Graphics Flashcards</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        .flashcard {
            perspective: 1000px;
            width: 100%;
            height: 300px;
        }
        .flashcard-inner {
            position: relative;
            width: 100%;
            height: 100%;
            transition: transform 0.6s;
            transform-style: preserve-3d;
        }
        .flashcard.flipped .flashcard-inner {
            transform: rotateY(180deg);
        }
        .flashcard-front, .flashcard-back {
            position: absolute;
            width: 100%;
            height: 100%;
            backface-visibility: hidden;
            border-radius: 15px;
            padding: 20px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        .flashcard-back {
            transform: rotateY(180deg);
        }
        .progress-bar {
            transition: width 0.3s ease;
        }
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-10px); }
            100% { transform: translateY(0px); }
        }
        .floating {
            animation: float 3s ease-in-out infinite;
        }
        .category-tag {
            position: absolute;
            top: 10px;
            right: 10px;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            background-color: rgba(255,255,255,0.2);
        }
    </style>
</head>
<body class="bg-gradient-to-br from-indigo-900 to-purple-900 min-h-screen text-white">
    <div class="container mx-auto px-4 py-12">
        <header class="text-center mb-12">
            <h1 class="text-4xl md:text-5xl font-bold mb-4">
                <i class="fas fa-cube mr-3 text-purple-300 floating"></i>
                3D Graphics Flashcards
            </h1>
            <p class="text-xl text-purple-200 max-w-2xl mx-auto">
                Master computer graphics concepts through interactive learning
            </p>
        </header>

        <div class="flex justify-between items-center mb-8 max-w-2xl mx-auto">
            <div class="w-full bg-gray-700 rounded-full h-4">
                <div id="progress" class="progress-bar h-4 rounded-full bg-gradient-to-r from-blue-400 to-purple-500" style="width: 0%"></div>
            </div>
            <span id="progress-text" class="ml-4 font-bold">0/21</span>
        </div>

        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6 mb-12">
            <!-- 3D Geometries Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-blue-500 to-blue-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">3D Geometries</span>
                        <i class="fas fa-shapes text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Polygonal Mesh</h2>
                        <p class="text-center text-blue-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-blue-600 to-blue-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Polygonal Mesh</h3>
                        <p class="text-sm mb-4">A collection of vertices, edges and faces that defines the shape of a 3D object. Most common in real-time applications like games.</p>
                        <div class="text-xs bg-blue-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Elements:</span> Vertices, Edges, Polygons (usually triangles or quads)</p>
                            <p><span class="font-bold">Optimization:</span> Level of Detail (LOD), Normal maps</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-blue-500 to-blue-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">3D Geometries</span>
                        <i class="fas fa-project-diagram text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">NURBS</h2>
                        <p class="text-center text-blue-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-blue-600 to-blue-800 p-6">
                        <h3 class="text-xl font-bold mb-3">NURBS</h3>
                        <p class="text-sm mb-4">Non-Uniform Rational B-Splines are mathematical representations for modeling curves and surfaces in 3D space, offering precise control.</p>
                        <div class="text-xs bg-blue-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Advantages:</span> Smooth surfaces, Precise control, Scalable</p>
                            <p><span class="font-bold">Uses:</span> Automotive design, Industrial modeling</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-blue-500 to-blue-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">3D Geometries</span>
                        <i class="fas fa-sitemap text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Subdivision Surfaces</h2>
                        <p class="text-center text-blue-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-blue-600 to-blue-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Subdivision Surfaces</h3>
                        <p class="text-sm mb-4">A method of representing smooth surfaces by specifying a coarse control mesh and applying subdivision rules to create a smoother surface.</p>
                        <div class="text-xs bg-blue-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Types:</span> Catmull-Clark, Loop, Doo-Sabin</p>
                            <p><span class="font-bold">Used in:</span> Character modeling, Organic shapes</p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Computer Graphics Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-purple-500 to-purple-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Graphics</span>
                        <i class="fas fa-desktop text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Rendering Pipeline</h2>
                        <p class="text-center text-purple-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-purple-600 to-purple-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Rendering Pipeline</h3>
                        <p class="text-sm mb-4">The sequence of steps that transforms 3D models into 2D images on the screen. Includes vertex processing, rasterization, and fragment processing.</p>
                        <div class="text-xs bg-purple-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Stages:</span> Vertex Shader, Primitive Assembly, Rasterization, Fragment Shader</p>
                            <p><span class="font-bold">Optimization:</span> Culling, Instancing, Batching</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-purple-500 to-purple-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Graphics</span>
                        <i class="fas fa-lightbulb text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Shading Models</h2>
                        <p class="text-center text-purple-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-purple-600 to-purple-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Shading Models</h3>
                        <p class="text-sm mb-4">Mathematical models that determine how light interacts with surfaces. Common models include Lambertian, Phong, Blinn-Phong, and PBR.</p>
                        <div class="text-xs bg-purple-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Components:</span> Diffuse, Specular, Ambient, Emissive</p>
                            <p><span class="font-bold">Advanced:</span> Physically Based Rendering (PBR), Subsurface Scattering</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-purple-500 to-purple-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Graphics</span>
                        <i class="fas fa-layer-group text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Texturing</h2>
                        <p class="text-center text-purple-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-purple-600 to-purple-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Texturing</h3>
                        <p class="text-sm mb-4">The process of applying 2D images to 3D surfaces to add detail without increasing geometric complexity.</p>
                        <div class="text-xs bg-purple-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Map Types:</span> Diffuse, Normal, Specular, Displacement</p>
                            <p><span class="font-bold">Techniques:</span> UV Mapping, Procedural Texturing, PBR Materials</p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- NeRFs Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-green-500 to-green-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">NeRFs</span>
                        <i class="fas fa-brain text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">NeRF Basics</h2>
                        <p class="text-center text-green-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-green-600 to-green-800 p-6">
                        <h3 class="text-xl font-bold mb-3">NeRF Basics</h3>
                        <p class="text-sm mb-4">Neural Radiance Fields represent scenes as continuous 5D functions that output color and density given a 3D location and 2D viewing direction.</p>
                        <div class="text-xs bg-green-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Input:</span> 3D position + 2D viewing direction</p>
                            <p><span class="font-bold">Output:</span> RGB color + volume density</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-green-500 to-green-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">NeRFs</span>
                        <i class="fas fa-bolt text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Instant-NGP</h2>
                        <p class="text-center text-green-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-green-600 to-green-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Instant-NGP</h3>
                        <p class="text-sm mb-4">Instant Neural Graphics Primitives use hash encoding and small MLPs to achieve real-time NeRF rendering with significantly faster training.</p>
                        <div class="text-xs bg-green-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Key Features:</span> Hash grids, Multi-resolution, Real-time</p>
                            <p><span class="font-bold">Performance:</span> Seconds to minutes training time</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-green-500 to-green-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">NeRFs</span>
                        <i class="fas fa-robot text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Dynamic NeRFs</h2>
                        <p class="text-center text-green-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-green-600 to-green-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Dynamic NeRFs</h3>
                        <p class="text-sm mb-4">Extensions of NeRFs that can model dynamic scenes with moving objects or changing viewpoints over time.</p>
                        <div class="text-xs bg-green-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Approaches:</span> Time-conditioned, Deformation fields, Latent codes</p>
                            <p><span class="font-bold">Applications:</span> Free-viewpoint video, VR/AR</p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Gaussian Splatting Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-red-500 to-red-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Splatting</span>
                        <i class="fas fa-spray-can text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">3D Gaussian Splats</h2>
                        <p class="text-center text-red-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-red-600 to-red-800 p-6">
                        <h3 class="text-xl font-bold mb-3">3D Gaussian Splats</h3>
                        <p class="text-sm mb-4">Point-based representation where each point is an anisotropic 3D Gaussian with position, covariance, color and opacity attributes.</p>
                        <div class="text-xs bg-red-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Properties:</span> Position, Covariance, Color (SH), Opacity</p>
                            <p><span class="font-bold">Rendering:</span> Differentiable, Tile-based rasterization</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-red-500 to-red-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Splatting</span>
                        <i class="fas fa-sort-amount-up text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Splatting Pipeline</h2>
                        <p class="text-center text-red-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-red-600 to-red-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Splatting Pipeline</h3>
                        <p class="text-sm mb-4">The rendering process for Gaussian splats involves projecting 3D Gaussians to 2D, sorting them, and alpha-blending them back-to-front.</p>
                        <div class="text-xs bg-red-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Steps:</span> Projection, Tile assignment, Sorting, Blending</p>
                            <p><span class="font-bold">Optimization:</span> CUDA acceleration, Level of Detail</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-red-500 to-red-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Splatting</span>
                        <i class="fas fa-atom text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Splatting vs NeRF</h2>
                        <p class="text-center text-red-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-red-600 to-red-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Splatting vs NeRF</h3>
                        <p class="text-sm mb-4">Comparison between explicit (splatting) and implicit (NeRF) scene representations for novel view synthesis.</p>
                        <div class="text-xs bg-red-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Splatting:</span> Explicit, Fast rendering, Large scenes</p>
                            <p><span class="font-bold">NeRF:</span> Implicit, High quality, View-dependent effects</p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Ray Tracing Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-yellow-500 to-yellow-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Ray Tracing</span>
                        <i class="fas fa-bullseye text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Ray Casting</h2>
                        <p class="text-center text-yellow-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-yellow-600 to-yellow-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Ray Casting</h3>
                        <p class="text-sm mb-4">The most basic form of ray tracing that shoots rays from the camera through each pixel to find the nearest intersection with objects.</p>
                        <div class="text-xs bg-yellow-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Characteristics:</span> Primary rays only, No reflections/refractions</p>
                            <p><span class="font-bold">Usage:</span> Early 3D games, Simple ray tracers</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-yellow-500 to-yellow-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Ray Tracing</span>
                        <i class="fas fa-mirror text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Recursive Ray Tracing</h2>
                        <p class="text-center text-yellow-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-yellow-600 to-yellow-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Recursive Ray Tracing</h3>
                        <p class="text-sm mb-4">Extension of ray casting that recursively traces secondary rays for reflections, refractions, and shadows to achieve more realistic images.</p>
                        <div class="text-xs bg-yellow-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Ray Types:</span> Primary, Shadow, Reflection, Refraction</p>
                            <p><span class="font-bold">Optimization:</span> Ray trees, Russian roulette</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-yellow-500 to-yellow-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Ray Tracing</span>
                        <i class="fas fa-random text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Path Tracing</h2>
                        <p class="text-center text-yellow-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-yellow-600 to-yellow-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Path Tracing</h3>
                        <p class="text-sm mb-4">A Monte Carlo method for solving the rendering equation by randomly sampling light paths to simulate global illumination.</p>
                        <div class="text-xs bg-yellow-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Features:</span> Unbiased, Physically accurate, Slow convergence</p>
                            <p><span class="font-bold">Optimizations:</span> Importance sampling, Next event estimation</p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Volume Rendering Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-pink-500 to-pink-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Volume</span>
                        <i class="fas fa-vial text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Volume Rendering</h2>
                        <p class="text-center text-pink-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-pink-600 to-pink-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Volume Rendering</h3>
                        <p class="text-sm mb-4">Techniques for displaying 2D projections of 3D volumetric data sets, typically used for medical imaging and scientific visualization.</p>
                        <div class="text-xs bg-pink-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Methods:</span> Ray casting, Texture slicing, Shear-warp</p>
                            <p><span class="font-bold">Data Types:</span> CT scans, MRI, Scientific simulations</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-pink-500 to-pink-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Volume</span>
                        <i class="fas fa-filter text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Transfer Functions</h2>
                        <p class="text-center text-pink-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-pink-600 to-pink-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Transfer Functions</h3>
                        <p class="text-sm mb-4">Mappings from scalar values in volume data to optical properties like color and opacity, crucial for meaningful visualization.</p>
                        <div class="text-xs bg-pink-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Types:</span> 1D, 2D, Multi-dimensional</p>
                            <p><span class="font-bold">Design:</span> Histogram-based, Interactive widgets</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-pink-500 to-pink-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Volume</span>
                        <i class="fas fa-cut text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Isosurface Extraction</h2>
                        <p class="text-center text-pink-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-pink-600 to-pink-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Isosurface Extraction</h3>
                        <p class="text-sm mb-4">The process of extracting surfaces of constant value (isosurfaces) from volumetric data, typically using Marching Cubes algorithm.</p>
                        <div class="text-xs bg-pink-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Algorithms:</span> Marching Cubes, Marching Tetrahedra, Dual Contouring</p>
                            <p><span class="font-bold">Applications:</span> Medical imaging, CFD visualization</p>
                        </div>
                    </div>
                </div>
            </div>

            <!-- Rasterization Cards -->
            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-indigo-500 to-indigo-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Rasterization</span>
                        <i class="fas fa-border-none text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Rasterization</h2>
                        <p class="text-center text-indigo-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-indigo-600 to-indigo-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Rasterization</h3>
                        <p class="text-sm mb-4">The process of converting vector graphics (points, lines, triangles) into a raster image (pixels) for display on a screen.</p>
                        <div class="text-xs bg-indigo-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Pipeline:</span> Vertex processing, Primitive assembly, Fragment processing</p>
                            <p><span class="font-bold">Optimizations:</span> Early Z, Hierarchical Z, Tile-based</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-indigo-500 to-indigo-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Rasterization</span>
                        <i class="fas fa-cubes text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Z-Buffering</h2>
                        <p class="text-center text-indigo-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-indigo-600 to-indigo-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Z-Buffering</h3>
                        <p class="text-sm mb-4">A depth buffering technique that stores the depth of each pixel and only draws fragments that are closer than what's already stored.</p>
                        <div class="text-xs bg-indigo-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Advantages:</span> Simple, Handles arbitrary geometry</p>
                            <p><span class="font-bold">Variants:</span> W-buffer, Reverse Z, Floating-point Z</p>
                        </div>
                    </div>
                </div>
            </div>

            <div class="flashcard" onclick="flipCard(this)">
                <div class="flashcard-inner">
                    <div class="flashcard-front bg-gradient-to-br from-indigo-500 to-indigo-700 flex flex-col items-center justify-center p-6">
                        <span class="category-tag">Rasterization</span>
                        <i class="fas fa-sync-alt text-5xl mb-4"></i>
                        <h2 class="text-2xl font-bold mb-2">Deferred Shading</h2>
                        <p class="text-center text-indigo-100">Click to reveal details</p>
                    </div>
                    <div class="flashcard-back bg-gradient-to-br from-indigo-600 to-indigo-800 p-6">
                        <h3 class="text-xl font-bold mb-3">Deferred Shading</h3>
                        <p class="text-sm mb-4">A rendering technique that separates geometry processing from lighting calculations to handle many lights efficiently.</p>
                        <div class="text-xs bg-indigo-900 bg-opacity-50 p-2 rounded">
                            <p><span class="font-bold">Steps:</span> G-buffer creation, Light accumulation, Post-processing</p>
                            <p><span class="font-bold">Tradeoffs:</span> Memory intensive, No MSAA, Many lights</p>
                        </div>
                    </div>
                </div>
            </div>
        </div>

        <div class="text-center">
            <button onclick="resetAllCards()" class="bg-white text-purple-900 px-6 py-3 rounded-full font-bold hover:bg-purple-100 transition-all shadow-lg">
                <i class="fas fa-sync-alt mr-2"></i> Reset All Cards
            </button>
        </div>
    </div>

    <script>
        let flippedCards = 0;
        const totalCards = 21;

        function flipCard(card) {
            if (!card.classList.contains('flipped')) {
                flippedCards++;
                updateProgress();
            }
            card.classList.toggle('flipped');
        }

        function resetAllCards() {
            document.querySelectorAll('.flashcard').forEach(card => {
                card.classList.remove('flipped');
            });
            flippedCards = 0;
            updateProgress();
        }

        function updateProgress() {
            const progress = (flippedCards / totalCards) * 100;
            document.getElementById('progress').style.width = `${progress}%`;
            document.getElementById('progress-text').textContent = `${flippedCards}/${totalCards}`;
        }

        // Add hover effects to all cards
        document.querySelectorAll('.flashcard').forEach(card => {
            card.addEventListener('mouseenter', function() {
                if (!this.classList.contains('flipped')) {
                    this.style.transform = 'translateY(-5px)';
                }
            });
            
            card.addEventListener('mouseleave', function() {
                this.style.transform = 'translateY(0)';
            });
        });
    </script>
<p style="border-radius: 8px; text-align: center; font-size: 12px; color: #fff; margin-top: 16px;position: fixed; left: 8px; bottom: 8px; z-index: 10; background: rgba(0, 0, 0, 0.8); padding: 4px 8px;">Made with <img src="https://enzostvs-deepsite.hf.space/logo.svg" alt="DeepSite Logo" style="width: 16px; height: 16px; vertical-align: middle;display:inline-block;margin-right:3px;filter:brightness(0) invert(1);"><a href="https://enzostvs-deepsite.hf.space" style="color: #fff;text-decoration: underline;" target="_blank" >DeepSite</a> - <a href="https://enzostvs-deepsite.hf.space?remix=jrrade/3d-geometry-flashcards" style="color: #fff;text-decoration: underline;" target="_blank" >🧬 Remix</a></p></body>
</html>