codebase / stimlib

Authored by Laila Saadatifard 2016-07-07 10:48:51 -0500

1 parent ca99f951

Showing 1 changed file with 54 additions and 0 deletions Show diff stats

stim/visualization/aabb3.h 0 → 100644

	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	55	\ No newline at end of file
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