mpri-graphics-project/spheroid.cpp

/**
 * Implementation of a spheroid
 **/

#include "spheroid.hpp"

Spheroid::Spheroid(Point& _center, size_t _p, size_t _q) :
    center(_center), p(_p), q(_q), stiffness(0) {
        _compute_volume();
    }

void Spheroid::_compute_volume() {
    V = (4/3) * PI * p * q * q;
}

void Spheroid::set_stiffness(size_t _stiffness) {
    stiffness = _stiffness;
}


void Spheroid::update_radius() {
    q = sqrt((3/4) * V / PI / p);
}


void Spheroid::update_center_pos(Point& _center) {
    center = _center;
}

void Spheroid::check_plan_collision(double& height) {
    if ((center.z - p) <= height) {
        p = center.z-height;
        update_radius();
    }
}