HackRF-Treasure-Chest/Software/CubicSDR/external/cubicvr2/math/triangle.h
2022-09-22 09:26:57 -07:00

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C++

//
// triangle.h
// CubicVR2
//
// Created by Charles J. Cliffe on 2013-02-22.
// Copyright (c) 2013 Charles J. Cliffe. All rights reserved.
//
#ifndef __CubicVR2__triangle__
#define __CubicVR2__triangle__
#include <iostream>
#include "vec3.h"
namespace CubicVR {
struct triangle {
static vec3 normal(vec3 pt1, vec3 pt2, vec3 pt3) {
__float v10 = pt1[0] - pt2[0];
__float v11 = pt1[1] - pt2[1];
__float v12 = pt1[2] - pt2[2];
__float v20 = pt2[0] - pt3[0];
__float v21 = pt2[1] - pt3[1];
__float v22 = pt2[2] - pt3[2];
vec3 mOut;
mOut[0] = v11 * v22 - v12 * v21;
mOut[1] = v12 * v20 - v10 * v22;
mOut[2] = v10 * v21 - v11 * v20;
return mOut;
};
};
}
#endif /* defined(__CubicVR2__triangle__) */