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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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32
include/J3ML/Geometry/Polygon.h
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@@ -11,6 +11,10 @@ namespace J3ML::Geometry {
{
public:
std::vector<Vector3> vertices;
/// Quickly returns an arbitrary point inside this AABB. Used in GJK intersection test.
Vector3 AnyPointFast() const { return !vertices.empty() ? vertices[0] : Vector3::NaN; }
AABB MinimalEnclosingAABB() const;
int NumVertices() const;
Vector3 Vertex(int vertexIndex) const;
@@ -32,9 +36,6 @@ namespace J3ML::Geometry {
bool Intersects(const Frustum &frustum) const;
bool Intersects(const Polyhedron &polyhedron) const;
bool Intersects(const Sphere &sphere) const;
protected:
std::vector<Triangle> Triangulate() const;
/// Tests if this polygon is planar.
/** A polygon is planar if all its vertices lie on the same plane.
@@ -56,8 +57,31 @@ namespace J3ML::Geometry {
bool Contains(const Polygon &worldSpacePolygon, float polygonThickness) const;
bool Contains(const Vector3 &worldSpacePoint, float polygonThicknessSq) const;
bool Contains(const Vector3 &worldSpacePoint, float polygonThicknessSq = 1e-2f) const;
bool Contains(const LineSegment &worldSpaceLineSegment, float polygonThickness) const;
bool Contains(const Triangle &worldSpaceTriangle, float polygonThickness) const;
LineSegment Edge(int i) const;
bool ConvexIntersects(const AABB &aabb) const;
bool ConvexIntersects(const OBB &obb) const;
bool ConvexIntersects(const Frustum &frustum) const;
Vector3 MapFrom2D(const Vector2 &point) const;
bool Intersects2D(const LineSegment &segment) const;
Vector3 ClosestPoint(const LineSegment &lineSegment) const;
Vector3 ClosestPoint(const LineSegment &lineSegment, Vector3 *lineSegmentPt) const;
Vector3 ClosestPoint(const Vector3 &point) const;
protected:
};
}