53 lines
1.1 KiB
C++
53 lines
1.1 KiB
C++
/**
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* Implementation of a spheroid
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**/
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#include "spheroid.hpp"
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Spheroid::Spheroid(Point& _center, size_t _p, size_t _q) :
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ImplicitSurface(_center), p(_p), q(_q), stiffness(0) {
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_compute_volume();
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}
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void Spheroid::_compute_volume() {
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V = (4/3) * PI * p * q * q;
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}
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void Spheroid::set_stiffness(size_t _stiffness) {
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stiffness = _stiffness;
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}
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void Spheroid::update_radius() {
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q = sqrt((3/4) * V / PI / p);
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}
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void Spheroid::update_height() {
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q = (3/4) * V / PI / (p*p);
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}
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void Spheroid::update_center_pos(Point& _center) {
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center = _center;
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}
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void Spheroid::check_horizontal_plan_collision(double& height) {
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if ((center.z - p) <= height) {
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p = center.z-height;
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update_radius();
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}
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}
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void Spheroid::check_vertical_plan_collision(double& abscissa) {
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if (center.x <= abscissa) {
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if ((center.x + q) >= abscissa) {
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q = abscissa - center.x;
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update_height();
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}
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} else {
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if ((center.x - q) <= abscissa) {
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q = center.x - abscissa;
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update_height();
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}
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}
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}
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