aabb3.h
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#ifndef STIM_AABB3_H
#define STIM_AABB3_H
#include <stim/cuda/cudatools/callable.h>
namespace stim{
/// Structure for a 3D axis aligned bounding box
template<typename T>
struct aabb3{
//protected:
T low[3]; //top left corner position
T high[3]; //dimensions along x and y and z
//public:
CUDA_CALLABLE aabb3(T x, T y, T z){ //initialize an axis aligned bounding box of size 0 at the given position
low[0] = high[0] = x; //set the position to the user specified coordinates
low[1] = high[1] = y;
low[2] = high[2] = z;
}
//insert a point into the bounding box, growing the box appropriately
CUDA_CALLABLE void insert(T x, T y, T z){
if(x < low[0]) low[0] = x;
if(y < low[1]) low[1] = y;
if(z < low[2]) low[2] = z;
if(x > high[0]) high[0] = x;
if(y > high[1]) high[1] = y;
if(z > high[2]) high[2] = z;
}
//trim the bounding box so that the lower bounds are (x, y, z)
CUDA_CALLABLE void trim_low(T x, T y, T z){
if(low[0] < x) low[0] = x;
if(low[1] < y) low[1] = y;
if(low[2] < z) low[2] = z;
}
CUDA_CALLABLE void trim_high(T x, T y, T z){
if(high[0] > x) high[0] = x;
if(high[1] > y) high[1] = y;
if(high[2] > z) high[2] = z;
}
};
}
#endif