mpri-graphics-project/common_structures.cpp

#include "common_structures.hpp"

Cuboid::Cuboid(Point bd1, Point bd2)
    : lowBound(0, 0, 0), highBound(0, 0, 0)
{
    lowBound = Point(
            std::min(bd1.x, bd2.x),
            std::min(bd1.y, bd2.y),
            std::min(bd1.z, bd2.z));
    highBound = Point(
            std::max(bd1.x, bd2.x),
            std::max(bd1.y, bd2.y),
            std::max(bd1.z, bd2.z));
}

double Cuboid::low(unsigned dim) const {
    assert(dim < 3);
    return lowBound[dim];
}

double Cuboid::high(unsigned dim) const {
    assert(dim < 3);
    return highBound[dim];
}

double Cuboid::length(unsigned dim) const {
    assert(dim < 3);
    return high(dim) - low(dim);
}

double Cuboid::volume() const {
    return length(0) * length(1) * length(2);
}

bool Cuboid::is_empty() const {
    return volume() < 1e-8;
}