author | Radek Brich <radek.brich@devl.cz> |
Mon, 29 Oct 2007 15:50:17 +0100 | |
branch | pyrit |
changeset 1 | e74bf781067e |
parent 0 | 3547b885df7e |
child 7 | bf17f9f84c91 |
permissions | -rw-r--r-- |
0
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
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1 |
#include "kdtree.cc" |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
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2 |
|
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
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3 |
void KdTree::KdTree(ShapeList &shapelist): |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
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4 |
{ |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
5 |
root = new KdNode(); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
6 |
shapes = new vector<Shape*>(); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
7 |
ShapeList::iterator shape; |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
8 |
for (shape = shapelist.begin(); shape != shapes.end(); shape++) |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
9 |
addShape(*shape); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
10 |
|
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
11 |
rebuild(); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
12 |
} |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
13 |
|
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
14 |
void KdTree::Subdivide(KdNode* node, AABB& bbox, int depth, int count) |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
15 |
{ |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
16 |
|
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
17 |
/*if (stopcriterionmet()) return |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
18 |
splitpos = findoptimalsplitposition() |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
19 |
leftnode = new Node() |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
20 |
rightnode = new Node() |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
21 |
for (all primitives in node) |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
22 |
{ |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
23 |
if (node->intersectleftnode()) leftnode->addprimitive( primitive ) |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
24 |
if (node->intersectrightnode()) rightnode->addprimitive( primitive ) |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
25 |
} |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
26 |
buildkdtree( leftnode ) |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
27 |
buildkdtree( rightnode )*/ |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
28 |
} |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
29 |
|
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
30 |
void KdTree::rebuild() |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
31 |
{ |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
32 |
int count = shapes->size(); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
33 |
AABB bbox = shapes->extends(); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
34 |
|
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
35 |
Subdivide(root, bbox, 0, count); |
3547b885df7e
initial commit, raytracer source as written year ago and unchanged since 2007-03-25
Radek Brich <radek.brich@devl.cz>
parents:
diff
changeset
|
36 |
} |