mirror of
https://github.com/cjcliffe/CubicSDR.git
synced 2024-11-05 00:41:17 -05:00
33 lines
640 B
C++
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
|