Class CollisionsHelper

Contains static methods to help in determining intersections, containment, etc.

Inheritance

CollisionsHelper

Assembly: FlaxEngine.dll

File: Engine/Core/Math/CollisionsHelper.h

Syntax

public class CollisionsHelper

Methods

BoxContainsBox(const BoundingBox& box1, const BoundingBox& box2)

Determines whether a BoundingBox contains a BoundingBox.

Declaration

public static ContainmentType BoxContainsBox(const BoundingBox& box1, const BoundingBox& box2)

Parameters

BoundingBox box1 The first box to test.

BoundingBox box2 The second box to test.

Returns

ContainmentType The type of containment the two objects have.

BoxContainsPoint(const BoundingBox& box, const Vector3& point)

Determines whether a BoundingBox contains a point.

Declaration

public static ContainmentType BoxContainsPoint(const BoundingBox& box, const Vector3& point)

Parameters

BoundingBox box The box to test.

Vector3 point The point to test.

Returns

ContainmentType The type of containment the two objects have.

BoxContainsSphere(const BoundingBox& box, const BoundingSphere& sphere)

Determines whether a BoundingBox contains a BoundingSphere.

Declaration

public static ContainmentType BoxContainsSphere(const BoundingBox& box, const BoundingSphere& sphere)

Parameters

BoundingBox box The box to test.

BoundingSphere sphere The sphere to test.

Returns

ContainmentType The type of containment the two objects have.

BoxIntersectsBox(const BoundingBox& box1, const BoundingBox& box2)

Determines whether there is an intersection between a BoundingBox and a BoundingBox.

Declaration

public static bool BoxIntersectsBox(const BoundingBox& box1, const BoundingBox& box2)

Parameters

BoundingBox box1 The first box to test.

BoundingBox box2 The second box to test.

Returns

bool Whether the two objects intersected.

BoxIntersectsSphere(const BoundingBox& box, const BoundingSphere& sphere)

Determines whether there is an intersection between a BoundingBox and a BoundingSphere.

Declaration

public static bool BoxIntersectsSphere(const BoundingBox& box, const BoundingSphere& sphere)

Parameters

BoundingBox box The box to test.

BoundingSphere sphere The sphere to test.

Returns

bool Whether the two objects intersected.

ClosestPointBoxPoint(const BoundingBox& box, const Vector3& point)

Determines the closest point between a BoundingBox and a point.

Declaration

public static Vector3 ClosestPointBoxPoint(const BoundingBox& box, const Vector3& point)

Parameters

BoundingBox box The box to test.

Vector3 point The point to test.

Returns

Vector3 The closest point between the two objects.

ClosestPointBoxPoint(const BoundingBox& box, const Vector3& point, Vector3& result)

Determines the closest point between a BoundingBox and a point.

Declaration

public static void ClosestPointBoxPoint(const BoundingBox& box, const Vector3& point, Vector3& result)

Parameters

BoundingBox box The box to test.

Vector3 point The point to test.

Vector3 result When the method completes, contains the closest point between the two objects.

ClosestPointPlanePoint(const Plane& plane, const Vector3& point)

Determines the closest point between a Plane and a point.

Declaration

public static Vector3 ClosestPointPlanePoint(const Plane& plane, const Vector3& point)

Parameters

Plane plane The plane to test.

Vector3 point The point to test.

Returns

Vector3 The closest point between the two objects.

ClosestPointPlanePoint(const Plane& plane, const Vector3& point, Vector3& result)

Determines the closest point between a Plane and a point.

Declaration

public static void ClosestPointPlanePoint(const Plane& plane, const Vector3& point, Vector3& result)

Parameters

Plane plane The plane to test.

Vector3 point The point to test.

Vector3 result When the method completes, contains the closest point between the two objects.

ClosestPointPointLine(const Float2& point, const Float2& p0, const Float2& p1)

Determines the closest point between a point and a line.

Declaration

public static Float2 ClosestPointPointLine(const Float2& point, const Float2& p0, const Float2& p1)

Parameters

Float2 point The point to test.

Float2 p0 The line first point.

Float2 p1 The line second point.

Returns

Float2 The closest point between the two objects.</result>

ClosestPointPointLine(const Float2& point, const Float2& p0, const Float2& p1, Float2& result)

Determines the closest point between a point and a line.

Declaration

public static void ClosestPointPointLine(const Float2& point, const Float2& p0, const Float2& p1, Float2& result)

Parameters

Float2 point The point to test.

Float2 p0 The line first point.

Float2 p1 The line second point.

Float2 result When the method completes, contains the closest point between the two objects.

ClosestPointPointLine(const Vector3& point, const Vector3& p0, const Vector3& p1)

Determines the closest point between a point and a line.

Declaration

public static Vector3 ClosestPointPointLine(const Vector3& point, const Vector3& p0, const Vector3& p1)

Parameters

Vector3 point The point to test.

Vector3 p0 The line first point.

Vector3 p1 The line second point.

Returns

Vector3 The closest point between the two objects.</result>

ClosestPointPointLine(const Vector3& point, const Vector3& p0, const Vector3& p1, Vector3& result)

Determines the closest point between a point and a line.

Declaration

public static void ClosestPointPointLine(const Vector3& point, const Vector3& p0, const Vector3& p1, Vector3& result)

Parameters

Vector3 point The point to test.

Vector3 p0 The line first point.

Vector3 p1 The line second point.

Vector3 result When the method completes, contains the closest point between the two objects.

ClosestPointPointTriangle(const Vector3& point, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Determines the closest point between a point and a triangle.

Declaration

public static Vector3 ClosestPointPointTriangle(const Vector3& point, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Parameters

Vector3 point The point to test.

Vector3 vertex1 The first vertex to test.

Vector3 vertex2 The second vertex to test.

Vector3 vertex3 The third vertex to test.

Returns

Vector3 The closest point between the two objects.

ClosestPointPointTriangle(const Vector3& point, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Vector3& result)

Determines the closest point between a point and a triangle.

Declaration

public static void ClosestPointPointTriangle(const Vector3& point, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Vector3& result)

Parameters

Vector3 point The point to test.

Vector3 vertex1 The first vertex to test.

Vector3 vertex2 The second vertex to test.

Vector3 vertex3 The third vertex to test.

Vector3 result When the method completes, contains the closest point between the two objects.

ClosestPointRectanglePoint(const Rectangle& rect, const Float2& point)

Determines the closest point between a Rectangle and a point.

Declaration

public static Float2 ClosestPointRectanglePoint(const Rectangle& rect, const Float2& point)

Parameters

Rectangle rect The rectangle to test.

Float2 point The point to test.

Returns

Float2 The closest point between the two objects.

ClosestPointRectanglePoint(const Rectangle& rect, const Float2& point, Float2& result)

Determines the closest point between a Rectangle and a point.

Declaration

public static void ClosestPointRectanglePoint(const Rectangle& rect, const Float2& point, Float2& result)

Parameters

Rectangle rect The rectangle to test.

Float2 point The point to test.

Float2 result When the method completes, contains the closest point between the two objects.

ClosestPointSpherePoint(const BoundingSphere& sphere, const Vector3& point)

Determines the closest point between a BoundingSphere and a point.

Declaration

public static Vector3 ClosestPointSpherePoint(const BoundingSphere& sphere, const Vector3& point)

Parameters

BoundingSphere sphere The sphere to test.

Vector3 point The point to test.

Returns

Vector3 The closest point between the two objects; or, if the point is directly in the center of the sphere, contains Vector3.Zero.</return>

ClosestPointSpherePoint(const BoundingSphere& sphere, const Vector3& point, Vector3& result)

Determines the closest point between a BoundingSphere and a point.

Declaration

public static void ClosestPointSpherePoint(const BoundingSphere& sphere, const Vector3& point, Vector3& result)

Parameters

BoundingSphere sphere The sphere to test.

Vector3 point The point to test.

Vector3 result When the method completes, contains the closest point between the two objects; or, if the point is directly in the center of the sphere, contains Vector3.Zero.

ClosestPointSphereSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Determines the closest point between a BoundingSphere and a BoundingSphere.

If the two spheres are overlapping, but not directly on top of each other, the closest point is the 'closest' point of intersection. This can also be considered is the deepest point of intersection.

Declaration

public static Vector3 ClosestPointSphereSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Parameters

BoundingSphere sphere1 The first sphere to test.

BoundingSphere sphere2 The second sphere to test.

Returns

Vector3 The closest point between the two objects; or, if the point is directly in the center of the sphere, contains Vector3.Zero.

ClosestPointSphereSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2, Vector3& result)

Determines the closest point between a BoundingSphere and a BoundingSphere.

If the two spheres are overlapping, but not directly on top of each other, the closest point is the 'closest' point of intersection. This can also be considered is the deepest point of intersection.

Declaration

public static void ClosestPointSphereSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2, Vector3& result)

Parameters

BoundingSphere sphere1 The first sphere to test.

BoundingSphere sphere2 The second sphere to test.

Vector3 result When the method completes, contains the closest point between the two objects; or, if the point is directly in the center of the sphere, contains Vector3.Zero.

DistanceBoxBox(const BoundingBox& box1, const BoundingBox& box2)

Determines the distance between a BoundingBox and a BoundingBox.

Declaration

public static Real DistanceBoxBox(const BoundingBox& box1, const BoundingBox& box2)

Parameters

BoundingBox box1 The first box to test.

BoundingBox box2 The second box to test.

Returns

Real The distance between the two objects.

DistanceBoxPoint(const BoundingBox& box, const Vector3& point)

Determines the distance between a BoundingBox and a point.

Declaration

public static Real DistanceBoxPoint(const BoundingBox& box, const Vector3& point)

Parameters

BoundingBox box The box to test.

Vector3 point The point to test.

Returns

Real The distance between the two objects.

DistancePlanePoint(const Plane& plane, const Vector3& point)

Determines the distance between a Plane and a point.

Declaration

public static Real DistancePlanePoint(const Plane& plane, const Vector3& point)

Parameters

Plane plane The plane to test.

Vector3 point The point to test.

Returns

Real The distance between the two objects.

DistanceSpherePoint(const BoundingSphere& sphere, const Vector3& point)

Determines the distance between a BoundingSphere and a point.

Declaration

public static Real DistanceSpherePoint(const BoundingSphere& sphere, const Vector3& point)

Parameters

BoundingSphere sphere The sphere to test.

Vector3 point The point to test.

Returns

Real The distance between the two objects.

DistanceSphereSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Determines the distance between a BoundingSphere and a BoundingSphere.

Declaration

public static Real DistanceSphereSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Parameters

BoundingSphere sphere1 The first sphere to test.

BoundingSphere sphere2 The second sphere to test.

Returns

Real The distance between the two objects.

FrustumContainsBox(const BoundingFrustum& frustum, const BoundingBox& box)

Declaration

public static ContainmentType FrustumContainsBox(const BoundingFrustum& frustum, const BoundingBox& box)

Parameters

BoundingFrustum frustum

BoundingBox box

Returns

ContainmentType

FrustumIntersectsBox(const BoundingFrustum& frustum, const BoundingBox& box)

Declaration

public static bool FrustumIntersectsBox(const BoundingFrustum& frustum, const BoundingBox& box)

Parameters

BoundingFrustum frustum

BoundingBox box

Returns

bool

IsPointInTriangle(const Float2& point, const Float2& a, const Float2& b, const Float2& c)

Determines whether the given 2D point is inside the specified triangle.

Declaration

public static bool IsPointInTriangle(const Float2& point, const Float2& a, const Float2& b, const Float2& c)

Parameters

Float2 point The point to check.

Float2 a The first vertex of the triangle.

Float2 b The second vertex of the triangle.

Float2 c The third vertex of the triangle.

Returns

bool true if point is inside the triangle; otherwise, false.

LineHitsBox(const Vector3& lineStart, const Vector3& lineEnd, const Vector3& boxMin, const Vector3& boxMax)

Declaration

public static Vector2 LineHitsBox(const Vector3& lineStart, const Vector3& lineEnd, const Vector3& boxMin, const Vector3& boxMax)

Parameters

Vector3 lineStart

Vector3 lineEnd

Vector3 boxMin

Vector3 boxMax

Returns

Vector2

LineIntersectsLine(const Float2& l1p1, const Float2& l1p2, const Float2& l2p1, const Float2& l2p2)

Determines whether a line intersects with the other line.

Declaration

public static bool LineIntersectsLine(const Float2& l1p1, const Float2& l1p2, const Float2& l2p1, const Float2& l2p2)

Parameters

Float2 l1p1 The first line point 0.

Float2 l1p2 The first line point 1.

Float2 l2p1 The second line point 0.

Float2 l2p2 The second line point 1.

Returns

bool True if line intersects with the other line

LineIntersectsRect(const Float2& p1, const Float2& p2, const Rectangle& rect)

Determines whether a line intersects with the rectangle.

Declaration

public static bool LineIntersectsRect(const Float2& p1, const Float2& p2, const Rectangle& rect)

Parameters

Float2 p1 The line point 0.

Float2 p2 The line point 1.

Rectangle rect The rectangle.

Returns

bool True if line intersects with the rectangle

PlaneIntersectsBox(const Plane& plane, const BoundingBox& box)

Determines whether there is an intersection between a Plane and a BoundingBox.

Declaration

public static PlaneIntersectionType PlaneIntersectsBox(const Plane& plane, const BoundingBox& box)

Parameters

Plane plane The plane to test.

BoundingBox box The box to test.

Returns

PlaneIntersectionType Whether the two objects intersected.

PlaneIntersectsPlane(const Plane& plane1, const Plane& plane2)

Determines whether there is an intersection between a Plane and a Plane.

Declaration

public static bool PlaneIntersectsPlane(const Plane& plane1, const Plane& plane2)

Parameters

Plane plane1 The first plane to test.

Plane plane2 The second plane to test.

Returns

bool Whether the two objects intersected.

PlaneIntersectsPlane(const Plane& plane1, const Plane& plane2, Ray& line)

Determines whether there is an intersection between a Plane and a Plane.

Although a ray is set to have an origin, the ray returned by this method is really a line in three dimensions which has no real origin. The ray is considered valid when both the positive direction is used and when the negative direction is used.

Declaration

public static bool PlaneIntersectsPlane(const Plane& plane1, const Plane& plane2, Ray& line)

Parameters

Plane plane1 The first plane to test.

Plane plane2 The second plane to test.

Ray line When the method completes, contains the line of intersection as a Ray, or a zero ray if there was no intersection.

Returns

bool Whether the two objects intersected.

PlaneIntersectsPoint(const Plane& plane, const Vector3& point)

Determines whether there is an intersection between a Plane and a point.

Declaration

public static PlaneIntersectionType PlaneIntersectsPoint(const Plane& plane, const Vector3& point)

Parameters

Plane plane The plane to test.

Vector3 point The point to test.

Returns

PlaneIntersectionType Whether the two objects intersected.

PlaneIntersectsSphere(const Plane& plane, const BoundingSphere& sphere)

Determines whether there is an intersection between a Plane and a BoundingSphere.

Declaration

public static PlaneIntersectionType PlaneIntersectsSphere(const Plane& plane, const BoundingSphere& sphere)

Parameters

Plane plane The plane to test.

BoundingSphere sphere The sphere to test.

Returns

PlaneIntersectionType Whether the two objects intersected.

PlaneIntersectsTriangle(const Plane& plane, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Determines whether there is an intersection between a Plane and a triangle.

Declaration

public static PlaneIntersectionType PlaneIntersectsTriangle(const Plane& plane, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Parameters

Plane plane The plane to test.

Vector3 vertex1 The first vertex of the triangle to test.

Vector3 vertex2 The second vertex of the triangle to test.

Vector3 vertex3 The third vertex of the triangle to test.

Returns

PlaneIntersectionType Whether the two objects intersected.

RayIntersectsBox(const Ray& ray, const BoundingBox& box, Real& distance)

Determines whether there is an intersection between a Ray and a BoundingBox.

Declaration

public static bool RayIntersectsBox(const Ray& ray, const BoundingBox& box, Real& distance)

Parameters

Ray ray The ray to test.

BoundingBox box The box to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsBox(const Ray& ray, const BoundingBox& box, Real& distance, Vector3& normal)

Determines whether there is an intersection between a Ray and a BoundingBox.

Declaration

public static bool RayIntersectsBox(const Ray& ray, const BoundingBox& box, Real& distance, Vector3& normal)

Parameters

Ray ray The ray to test.

BoundingBox box The box to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Vector3 normal When the method completes, contains the intersection surface normal vector, or Vector3::Up if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsBox(const Ray& ray, const BoundingBox& box, Vector3& point)

Determines whether there is an intersection between a Ray and a Plane.

Declaration

public static bool RayIntersectsBox(const Ray& ray, const BoundingBox& box, Vector3& point)

Parameters

Ray ray The ray to test.

BoundingBox box The box to test.

Vector3 point When the method completes, contains the point of intersection, or Vector3.Zero if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsPlane(const Ray& ray, const Plane& plane, Real& distance)

Determines whether there is an intersection between a Ray and a Plane.

Declaration

public static bool RayIntersectsPlane(const Ray& ray, const Plane& plane, Real& distance)

Parameters

Ray ray The ray to test.

Plane plane The plane to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Returns

bool Whether the two objects intersect.

RayIntersectsPlane(const Ray& ray, const Plane& plane, Vector3& point)

Determines whether there is an intersection between a Ray and a Plane.

Declaration

public static bool RayIntersectsPlane(const Ray& ray, const Plane& plane, Vector3& point)

Parameters

Ray ray The ray to test.

Plane plane The plane to test

Vector3 point When the method completes, contains the point of intersection, or Vector3.Zero if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsPoint(const Ray& ray, const Vector3& point)

Determines whether there is an intersection between a Ray and a point.

Declaration

public static bool RayIntersectsPoint(const Ray& ray, const Vector3& point)

Parameters

Ray ray The ray to test.

Vector3 point The point to test.

Returns

bool Whether the two objects intersect.

RayIntersectsRay(const Ray& ray1, const Ray& ray2, Vector3& point)

Determines whether there is an intersection between a Ray and a Ray.

This method performs a ray vs ray intersection test based on the following formula from Goldman. s = det([o_2 - o_1, d_2, d_1 x d_2]) / ||d_1 x d_2||^2 t = det([o_2 - o_1, d_1, d_1 x d_2]) / ||d_1 x d_2||^2 Where o_1 is the position of the first ray, o_2 is the position of the second ray, d_1 is the normalized direction of the first ray, d_2 is the normalized direction of the second ray, det denotes the determinant of a matrix, x denotes the cross product, [ ] denotes a matrix, and || || denotes the length or magnitude of a vector.

Declaration

public static bool RayIntersectsRay(const Ray& ray1, const Ray& ray2, Vector3& point)

Parameters

Ray ray1 The first ray to test.

Ray ray2 The second ray to test.

Vector3 point When the method completes, contains the point of intersection, or Vector3.Zero if there was no intersection.

Returns

bool Whether the two objects intersect.

RayIntersectsSphere(const Ray& ray, const BoundingSphere& sphere, Real& distance)

Determines whether there is an intersection between a Ray and a BoundingSphere.

Declaration

public static bool RayIntersectsSphere(const Ray& ray, const BoundingSphere& sphere, Real& distance)

Parameters

Ray ray The ray to test.

BoundingSphere sphere The sphere to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsSphere(const Ray& ray, const BoundingSphere& sphere, Real& distance, Vector3& normal)

Determines whether there is an intersection between a Ray and a BoundingSphere.

Declaration

public static bool RayIntersectsSphere(const Ray& ray, const BoundingSphere& sphere, Real& distance, Vector3& normal)

Parameters

Ray ray The ray to test.

BoundingSphere sphere The sphere to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Vector3 normal When the method completes, contains the intersection surface normal vector, or Vector3::Up if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsSphere(const Ray& ray, const BoundingSphere& sphere, Vector3& point)

Determines whether there is an intersection between a Ray and a BoundingSphere.

Declaration

public static bool RayIntersectsSphere(const Ray& ray, const BoundingSphere& sphere, Vector3& point)

Parameters

Ray ray The ray to test.

BoundingSphere sphere The sphere to test.

Vector3 point When the method completes, contains the point of intersection, or Vector3.Zero if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsTriangle(const Ray& ray, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Real& distance)

Determines whether there is an intersection between a Ray and a triangle.

This method tests if the ray intersects either the front or back of the triangle. If the ray is parallel to the triangle's plane, no intersection is assumed to have happened. If the intersection of the ray and the triangle is behind the origin of the ray, no intersection is assumed to have happened. In both cases of assumptions, this method returns false.

Declaration

public static bool RayIntersectsTriangle(const Ray& ray, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Real& distance)

Parameters

Ray ray The ray to test.

Vector3 vertex1 The first vertex of the triangle to test.

Vector3 vertex2 The second vertex of the triangle to test.

Vector3 vertex3 The third vertex of the triangle to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsTriangle(const Ray& ray, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Real& distance, Vector3& normal)

Determines whether there is an intersection between a Ray and a triangle.

This method tests if the ray intersects either the front or back of the triangle. If the ray is parallel to the triangle's plane, no intersection is assumed to have happened. If the intersection of the ray and the triangle is behind the origin of the ray, no intersection is assumed to have happened. In both cases of assumptions, this method returns false.

Declaration

public static bool RayIntersectsTriangle(const Ray& ray, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Real& distance, Vector3& normal)

Parameters

Ray ray The ray to test.

Vector3 vertex1 The first vertex of the triangle to test.

Vector3 vertex2 The second vertex of the triangle to test.

Vector3 vertex3 The third vertex of the triangle to test.

Real distance When the method completes, contains the distance of the intersection, or 0 if there was no intersection.

Vector3 normal When the method completes, contains the intersection surface normal vector, or Vector3::Up if there was no intersection.

Returns

bool Whether the two objects intersected.

RayIntersectsTriangle(const Ray& ray, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Vector3& point)

Determines whether there is an intersection between a Ray and a triangle.

Declaration

public static bool RayIntersectsTriangle(const Ray& ray, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3, Vector3& point)

Parameters

Ray ray The ray to test.

Vector3 vertex1 The first vertex of the triangle to test.

Vector3 vertex2 The second vertex of the triangle to test.

Vector3 vertex3 The third vertex of the triangle to test.

Vector3 point When the method completes, contains the point of intersection, or Vector3.Zero if there was no intersection.

Returns

bool Whether the two objects intersected.

SphereContainsBox(const BoundingSphere& sphere, const BoundingBox& box)

Determines whether a BoundingSphere contains a BoundingBox.

Declaration

public static ContainmentType SphereContainsBox(const BoundingSphere& sphere, const BoundingBox& box)

Parameters

BoundingSphere sphere The sphere to test.

BoundingBox box The box to test.

Returns

ContainmentType The type of containment the two objects have.

SphereContainsPoint(const BoundingSphere& sphere, const Vector3& point)

Determines whether a BoundingSphere contains a point.

Declaration

public static ContainmentType SphereContainsPoint(const BoundingSphere& sphere, const Vector3& point)

Parameters

BoundingSphere sphere The sphere to test.

Vector3 point The point to test.

Returns

ContainmentType The type of containment the two objects have.

SphereContainsSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Determines whether a BoundingSphere contains a BoundingSphere.

Declaration

public static ContainmentType SphereContainsSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Parameters

BoundingSphere sphere1 The first sphere to test.

BoundingSphere sphere2 The second sphere to test.

Returns

ContainmentType The type of containment the two objects have.

SphereContainsTriangle(const BoundingSphere& sphere, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Determines whether a BoundingSphere contains a triangle.

Declaration

public static ContainmentType SphereContainsTriangle(const BoundingSphere& sphere, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Parameters

BoundingSphere sphere The sphere to test.

Vector3 vertex1 The first vertex of the triangle to test.

Vector3 vertex2 The second vertex of the triangle to test.

Vector3 vertex3 The third vertex of the triangle to test.

Returns

ContainmentType The type of containment the two objects have.

SphereIntersectsSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Determines whether there is an intersection between a BoundingSphere and a BoundingSphere.

Declaration

public static bool SphereIntersectsSphere(const BoundingSphere& sphere1, const BoundingSphere& sphere2)

Parameters

BoundingSphere sphere1 First sphere to test.

BoundingSphere sphere2 Second sphere to test.

Returns

bool Whether the two objects intersected.

SphereIntersectsTriangle(const BoundingSphere& sphere, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Determines whether there is an intersection between a BoundingSphere and a triangle.

Declaration

public static bool SphereIntersectsTriangle(const BoundingSphere& sphere, const Vector3& vertex1, const Vector3& vertex2, const Vector3& vertex3)

Parameters

BoundingSphere sphere The sphere to test.

Vector3 vertex1 The first vertex of the triangle to test.

Vector3 vertex2 The second vertex of the triangle to test.

Vector3 vertex3 The third vertex of the triangle to test.

Returns

bool Whether the two objects intersected.