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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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15
include/J3ML/Geometry/Sphere.h
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@@ -18,8 +18,22 @@ namespace J3ML::Geometry
public:
Vector3 Position;
float Radius;
public:
Sphere() {}
Sphere(const Vector3& pos, float radius) : Position(pos), Radius(radius) {}
/// Quickly returns an arbitrary point inside this Sphere. Used in GJK intersection test.
Vector3 AnyPointFast() const { return Position; }
/// Computes the extreme point of this Sphere in the given direction.
/** An extreme point is a farthest point of this Sphere in the given direction. For
a Sphere, this point is 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 The extreme point of this Sphere in the given direction. */
Vector3 ExtremePoint(const Vector3 &direction) const;
Vector3 ExtremePoint(const Vector3 &direction, float &projectionDistance) const;
void Translate(const Vector3& offset)
{
Position = Position + offset;
@@ -56,6 +70,7 @@ namespace J3ML::Geometry
{
return Position.DistanceSquared(point) <= Radius*Radius;
}
bool Contains(const Vector3& point, float epsilon) const
{
return Position.DistanceSquared(point) <= Radius*Radius + epsilon;