CubicSDR/external/cubicvr2/math/plane.h
2015-06-26 22:04:16 -04:00

33 lines
640 B
C++

//
// plane.h
// CubicVR2
//
// Created by Charles J. Cliffe on 2013-02-22.
// Copyright (c) 2013 Charles J. Cliffe. All rights reserved.
//
#ifndef CubicVR2_plane_h
#define CubicVR2_plane_h
#include "vec4.h"
#include "vec3.h"
namespace CubicVR {
struct plane : vec4 {
static int classifyPoint(vec4 plane, vec3 pt) {
__float dist = (plane[0] * pt[0]) + (plane[1] * pt[1]) + (plane[2] * pt[2]) + (plane[3]);
if (dist < 0) {
return -1;
}
else if (dist > 0) {
return 1;
}
return 0;
};
};
}
#endif