1 /* |
1 /* |
2 * scene.cc: classes for objects in scene |
2 * scene.cc: classes for objects in scene |
3 * |
3 * |
4 * This file is part of Pyrit Ray Tracer. |
4 * This file is part of Pyrit Ray Tracer. |
5 * |
5 * |
6 * Copyright 2006, 2007 Radek Brich |
6 * Copyright 2006, 2007, 2008 Radek Brich |
7 * |
7 * |
8 * Permission is hereby granted, free of charge, to any person obtaining a copy |
8 * Permission is hereby granted, free of charge, to any person obtaining a copy |
9 * of this software and associated documentation files (the "Software"), to deal |
9 * of this software and associated documentation files (the "Software"), to deal |
10 * in the Software without restriction, including without limitation the rights |
10 * in the Software without restriction, including without limitation the rights |
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
11 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
26 |
26 |
27 #include <math.h> |
27 #include <math.h> |
28 |
28 |
29 #include "common.h" |
29 #include "common.h" |
30 #include "scene.h" |
30 #include "scene.h" |
31 |
|
32 int DefaultSampler::initSampleSet() |
|
33 { |
|
34 if ( phase == 0 ) |
|
35 { |
|
36 phase++; |
|
37 return w*h; |
|
38 } |
|
39 else return 0; |
|
40 } |
|
41 |
|
42 Sample* DefaultSampler::nextSample(Sample *prev) |
|
43 { |
|
44 DefaultSample *s = new DefaultSample; |
|
45 if (prev) |
|
46 { |
|
47 DefaultSample *sp = static_cast<DefaultSample*>(prev); |
|
48 s->sx = sp->sx + 1; |
|
49 s->sy = sp->sy; |
|
50 if (s->sx >= w) |
|
51 { |
|
52 s->sx = 0; |
|
53 s->sy++; |
|
54 } |
|
55 if (s->sy >= h) |
|
56 { |
|
57 delete s; |
|
58 return NULL; |
|
59 } |
|
60 s->x = (Float)s->sx/h - (Float)w/h/2.0; |
|
61 s->y = (Float)s->sy/h - 0.5; |
|
62 } |
|
63 else |
|
64 { |
|
65 s->x = -(Float)w/h/2.0; |
|
66 s->y = -0.5; |
|
67 s->sx = 0; |
|
68 s->sy = 0; |
|
69 } |
|
70 return s; |
|
71 } |
|
72 |
|
73 void DefaultSampler::saveSample(Sample *samp, Colour &col) |
|
74 { |
|
75 DefaultSample *sp = static_cast<DefaultSample*>(samp); |
|
76 Float *buf = buffer + 3*(sp->sy*w + sp->sx); |
|
77 *(buf++) = col.r; |
|
78 *(buf++) = col.g; |
|
79 *(buf++) = col.b; |
|
80 } |
|
81 |
31 |
82 void Camera::rotate(const Quaternion &q) |
32 void Camera::rotate(const Quaternion &q) |
83 { |
33 { |
84 /* |
34 /* |
85 //non-optimized |
35 //non-optimized |