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Giga Geometry Implementation

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josh
2024-04-08 13:27:56 -04:00
parent 0aff68b63e
commit d7b2157b0c
32 changed files with 1235 additions and 126 deletions
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27
include/J3ML/Geometry/Triangle.h
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@@ -2,6 +2,7 @@
#include <J3ML/Geometry/Common.h>
#include <J3ML/LinearAlgebra.h>
#include <cfloat>
namespace J3ML::Geometry
{
@@ -11,15 +12,39 @@ namespace J3ML::Geometry
Vector3 V0;
Vector3 V1;
Vector3 V2;
public:
float DistanceSq(const Vector3 &point) const;
bool Intersects(const AABB& aabb) const;
bool Intersects(const Capsule& capsule) const;
AABB BoundingAABB() const;
bool Contains(const Vector3&) const;
/// Tests if the given object is fully contained inside this triangle.
/** @param triangleThickness An epsilon threshold value to use for this test. triangleThicknessSq is the squared version of this parameter.
This specifies the maximum distance the given object can lie from the plane defined by this triangle.
@see Distance(), Intersects(), ClosestPoint().
@todo Add Triangle::Contains(Circle) and Triangle::Contains(Disc). */
bool Contains(const Vector3& point, float triangleThicknessSq = 1e-5f) const;
bool Contains(const LineSegment& lineSeg, float triangleThickness = 1e-3f) const;
bool Contains(const Triangle& triangle, float triangleThickness = 1e-3f) const;
void ProjectToAxis(const Vector3 &axis, float &dMin, float &dMax) const;
/// Quickly returns an arbitrary point inside this Triangle. Used in GJK intersection test.
inline Vector3 AnyPointFast() const { return V0; }
/// Computes an extreme point of this Triangle in the given direction.
/** An extreme point is a farthest point of this Triangle in the given direction. Given a direction,
this point is not necessarily unique.
@param direction The direction vector of the direction to find the extreme point. This vector may
be unnormalized, but may not be null.
@return An extreme point of this Triangle in the given direction. The returned point is always a
vertex of this Triangle.
@see Vertex(). */
Vector3 ExtremePoint(const Vector3 &direction) const;
Vector3 ExtremePoint(const Vector3 &direction, float &projectionDistance) const;
static float IntersectLineTri(const Vector3 &linePos, const Vector3 &lineDir, const Vector3 &v0, const Vector3 &v1,
const Vector3 &v2, float &u, float &v);