Sandro Sobczyński
51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
/*
|
|
# ______ ____ ___
|
|
# | \/ ____| |___|
|
|
# | | | \ | |
|
|
#-----------------------------------------------------------------------
|
|
# Copyright 2020, tyra - https://github.com/h4570/tyra
|
|
# Licenced under Apache License 2.0
|
|
# Sandro Sobczyński <sandro.sobczynski@gmail.com>
|
|
*/
|
|
|
|
#include "../../include/models/math/plane.hpp"
|
|
|
|
#include <stdio.h>
|
|
|
|
// ----
|
|
// Constructors/Destructors
|
|
// ----
|
|
|
|
/** Create empty plane */
|
|
Plane::Plane() { this->distance = 0; }
|
|
|
|
/** Create by specyfying 3 points.
|
|
* This function assumes that the points
|
|
* are given in counter clockwise order
|
|
*/
|
|
Plane::Plane(Vector3 &a, Vector3 &b, Vector3 &c) { this->update(a, b, c); }
|
|
|
|
Plane::~Plane() {}
|
|
|
|
// ----
|
|
// Methods
|
|
// ----
|
|
|
|
/** Set plane by specyfying 3 points.
|
|
* This function assumes that the points
|
|
* are given in counter clockwise order
|
|
*/
|
|
void Plane::update(Vector3 &a, Vector3 &b, Vector3 &c)
|
|
{
|
|
Vector3 aux1 = a - b;
|
|
Vector3 aux2 = c - b;
|
|
this->normal = aux2 * aux1;
|
|
this->normal.normalize();
|
|
this->distance = -this->normal.innerProduct(b);
|
|
}
|
|
|
|
const void Plane::print() const
|
|
{
|
|
printf("Plane(Vector3(%f, %f, %f), %f)\n", this->normal.x, this->normal.y, this->normal.z, this->distance);
|
|
}
|