Mirrors/bx
1
0
Fork 0
mirror of https://github.com/bkaradzic/bx.git synced 2026-02-17 20:52:37 +01:00
Code Issues Packages Projects Releases Wiki Activity

Cleanup.

Browse Source
This commit is contained in:
Бранимир Караџић
2021-10-28 18:41:33 -07:00
parent 51c3264846
commit 5e8c84618f
3 changed files with 138 additions and 76 deletions
Download Patch File Download Diff File Expand all files Collapse all files

94
include/bx/bounds.h
View File

@@ -10,6 +10,20 @@
namespace bx
{
///
struct Line
{
Vec3 pos = init::None;
Vec3 dir = init::None;
};
///
struct LineSegment
{
Vec3 pos = init::None;
Vec3 end = init::None;
};
///
struct Aabb
{
@@ -20,33 +34,33 @@ namespace bx
///
struct Capsule
{
Vec3 pos = init::None;
Vec3 end = init::None;
float radius;
Vec3 pos = init::None;
Vec3 end = init::None;
float radius;
};
///
struct Cone
{
Vec3 pos = init::None;
Vec3 end = init::None;
float radius;
Vec3 pos = init::None;
Vec3 end = init::None;
float radius;
};
///
struct Cylinder
{
Vec3 pos = init::None;
Vec3 end = init::None;
float radius;
Vec3 pos = init::None;
Vec3 end = init::None;
float radius;
};
///
struct Disk
{
Vec3 center = init::None;
Vec3 normal = init::None;
float radius;
Vec3 center = init::None;
Vec3 normal = init::None;
float radius;
};
///
@@ -58,8 +72,8 @@ namespace bx
///
struct Sphere
{
Vec3 center = init::None;
float radius;
Vec3 center = init::None;
float radius;
};
///
@@ -84,9 +98,37 @@ namespace bx
Plane plane = init::None;
};
///
struct Interval
{
///
Interval(float _val);
///
Interval(float _min, float _max);
///
void set(float _val);
///
void setCenter(float _val);
///
void expand(float _val);
float min;
float max;
};
///
Vec3 getPointAt(const Ray& _ray, float _t);
///
Vec3 getPointAt(const Line& _line, float _t);
///
Vec3 getPointAt(const LineSegment& _line, float _t);
///
Vec3 getCenter(const Aabb& _aabb);
@@ -183,6 +225,30 @@ namespace bx
/// Intersect ray / triangle.
bool intersect(const Ray& _ray, const Triangle& _triangle, Hit* _hit = NULL);
///
Vec3 closestPoint(const Line& _line, const Vec3& _point);
///
Vec3 closestPoint(const LineSegment& _line, const Vec3& _point);
///
Vec3 closestPoint(const Plane& _plane, const Vec3& _point);
///
Vec3 closestPoint(const Aabb& _aabb, const Vec3& _point);
///
Vec3 closestPoint(const Obb& _obb, const Vec3& _point);
///
Vec3 closestPoint(const Triangle& _triangle, const Vec3& _point);
///
bool overlap(const Interval& _interval, float _pos);
///
bool overlap(const Interval& _intervalA, const Interval& _intervalB);
///
bool overlap(const Aabb& _aabb, const Vec3& _pos);

55
include/bx/inline/bounds.inl
View File

@@ -9,16 +9,71 @@
namespace bx
{
inline Interval::Interval(float _val)
: min(_val)
, max(_val)
{
}
inline Interval::Interval(float _min, float _max)
: min(_min)
, max(_max)
{
}
inline void Interval::set(float _val)
{
min = _val;
max = _val;
}
inline void Interval::setCenter(float _val)
{
const float extents = (max - min) * 0.5f;
min = _val - extents;
max = _val + extents;
}
inline void Interval::expand(float _val)
{
min = bx::min(min, _val);
max = bx::max(max, _val);
}
inline Vec3 getPointAt(const Ray& _ray, float _t)
{
return mad(_ray.dir, _t, _ray.pos);
}
inline Vec3 getPointAt(const Line& _line, float _t)
{
return mad(_line.dir, _t, _line.pos);
}
inline Vec3 getPointAt(const LineSegment& _line, float _t)
{
return lerp(_line.pos, _line.end, _t);
}
inline bool intersect(const Ray& _ray, const Plane& _plane, Hit* _hit)
{
return intersect(_ray, _plane, false, _hit);
}
inline bool overlap(const Interval& _interval, float _t)
{
return _t > _interval.min
&& _t < _interval.max
;
}
inline bool overlap(const Interval& _intervalA, const Interval& _intervalB)
{
return _intervalA.max > _intervalB.min
&& _intervalB.max > _intervalA.min
;
}
inline bool overlap(const Aabb& _aabb, const Sphere& _sphere)
{
return overlap(_sphere, _aabb);