blob: 3f95d3c28a68d35ca596fb5626555cbf41c21100 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
#pragma once
#include "config/types.h"
#include "ray.h"
#include <glm/geometric.hpp>
#include <glm/gtx/intersect.hpp>
#include <glm/vec3.hpp>
#include <optional>
class GeometricPlane {
public:
enum class PlaneRelation { Above, Below, On };
static bool isIntersect(PlaneRelation a, PlaneRelation b);
};
template<typename PositionType> class GeometricPlaneT : public GeometricPlane {
public:
struct DistAndPosition {
PositionType::value_type dist;
PositionType position;
};
PositionType origin;
Normal3D normal;
[[nodiscard]] inline PlaneRelation
getRelation(PositionType point) const
{
const auto d = glm::dot(normal, point - origin);
return d < 0.F ? PlaneRelation::Below : d > 0.F ? PlaneRelation::Above : PlaneRelation::On;
}
[[nodiscard]] inline std::optional<DistAndPosition>
getRayIntersectPosition(const Ray<PositionType> & ray) const
{
float dist {};
if (!glm::intersectRayPlane(ray.start, ray.direction, origin, normal, dist)) {
return {};
}
return DistAndPosition {dist, ray.start + (ray.direction * dist)};
}
};
|
