Commit 37c7ea8ca31a3c3a8690ecdf3880b1696119223b
1 parent
ca99f951
upload the aabb3.h function to the visualization
Showing
1 changed file
with
54 additions
and
0 deletions
Show diff stats
1 | +#ifndef STIM_AABB3_H | ||
2 | +#define STIM_AABB3_H | ||
3 | + | ||
4 | +#include <stim/cuda/cudatools/callable.h> | ||
5 | + | ||
6 | +namespace stim{ | ||
7 | + | ||
8 | +/// Structure for a 3D axis aligned bounding box | ||
9 | +template<typename T> | ||
10 | +struct aabb3{ | ||
11 | + | ||
12 | +//protected: | ||
13 | + | ||
14 | + T low[3]; //top left corner position | ||
15 | + T high[3]; //dimensions along x and y and z | ||
16 | + | ||
17 | +//public: | ||
18 | + | ||
19 | + CUDA_CALLABLE aabb3(T x, T y, T z){ //initialize an axis aligned bounding box of size 0 at the given position | ||
20 | + low[0] = high[0] = x; //set the position to the user specified coordinates | ||
21 | + low[1] = high[1] = y; | ||
22 | + low[2] = high[2] = z; | ||
23 | + } | ||
24 | + | ||
25 | + //insert a point into the bounding box, growing the box appropriately | ||
26 | + CUDA_CALLABLE void insert(T x, T y, T z){ | ||
27 | + if(x < low[0]) low[0] = x; | ||
28 | + if(y < low[1]) low[1] = y; | ||
29 | + if(z < low[2]) low[2] = z; | ||
30 | + | ||
31 | + if(x > high[0]) high[0] = x; | ||
32 | + if(y > high[1]) high[1] = y; | ||
33 | + if(z > high[2]) high[2] = z; | ||
34 | + } | ||
35 | + | ||
36 | + //trim the bounding box so that the lower bounds are (x, y, z) | ||
37 | + CUDA_CALLABLE void trim_low(T x, T y, T z){ | ||
38 | + if(low[0] < x) low[0] = x; | ||
39 | + if(low[1] < y) low[1] = y; | ||
40 | + if(low[2] < z) low[2] = z; | ||
41 | + } | ||
42 | + | ||
43 | + CUDA_CALLABLE void trim_high(T x, T y, T z){ | ||
44 | + if(high[0] > x) high[0] = x; | ||
45 | + if(high[1] > y) high[1] = y; | ||
46 | + if(high[2] > z) high[2] = z; | ||
47 | + } | ||
48 | + | ||
49 | +}; | ||
50 | + | ||
51 | +} | ||
52 | + | ||
53 | + | ||
54 | +#endif | ||
0 | \ No newline at end of file | 55 | \ No newline at end of file |