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Enlighten API 3.10 Documentation
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  • class Enlighten RadDebugColouringTask
  • class Enlighten RadDebugPixelInfo
  • class Enlighten RadiosityInputTree
  • class Enlighten RadiosityInstance
  • class Enlighten RadIrradianceTask
  • class Enlighten RadProbeSetCore
  • class Enlighten RadProbeSetMetaData
  • class Enlighten RadProbeTask
  • class Enlighten RadSystemCore
  • class Enlighten RadSystemMetaData
  • class Enlighten RawBuffer
  • class Enlighten ReadInputLightingBufferInfo
  • class Enlighten RectangleLight
  • class Enlighten RefTextureAllocator
  • class Enlighten RefTextureUpdater
  • class Enlighten ReleaseSystemSolutionSpacesInfo
  • class Enlighten RemoveInfo
  • class Enlighten ResampleBounceParameters
  • class Enlighten ResampleTextureParameters
  • class Enlighten Rgba64Linear
  • class Enlighten RgbaCpuTextureSampler
  • class Enlighten RgbmCpuTextureSampler
  • class Enlighten SetLightBankUpdateCounterInfo
  • class Enlighten SetParameterCommand
  • class Enlighten SetProbeSetTransformInfo
  • class Enlighten SetTransparencySamplePositionOffsetInfo
  • class Enlighten SetVisibilityBitsInfo
  • class Enlighten SolveBounceTask
  • class Enlighten SortedLights
  • class Enlighten SourceMeshInstanceMeta
  • class Enlighten SphereVolume
  • class Enlighten Spotlight
  • class Enlighten SpotlightMeta
  • class Enlighten SystemAlbedoData
  • class Enlighten SystemDataBlock
  • class Enlighten SystemDependencies
  • class Enlighten SystemGrouping
  • class Enlighten SystemMeta
  • class Enlighten TaskProcessor
  • class Enlighten TransparencyWorkspace
  • class Enlighten Triangle2D
  • class Enlighten TriggerVolumeTransparencyGeneric
  • class Enlighten UpdateEnvironmentInfo
  • class Enlighten UpdateLightCommandGeneric
  • class Enlighten UpdateLightInfo
  • class Enlighten UpdateLightOptions
  • class Enlighten UpdateManagerLight
  • class Enlighten UpdateManagerProperties
  • class Enlighten UpdateManagerWorkerProperties
  • class Enlighten Vertex2D
  • class Enlighten VisibilityBuffer
  • class Enlighten WorkerFunctionCommand
  • class Enlighten WorkerFunctionParameterCommand
  • class Enlighten WorkerFunctionTwoParametersCommand
  • class Enlighten WorkerFunctorCommand
  • class Enlighten WorkerObjectFunctionCommand
  • class Enlighten WorkerThreadData
  • class Enlighten WorkspaceAllocator
  • class Enlighten XmlWriter
  • namespace Enlighten Errors
  • namespace Enlighten Helpers
  • namespace Enlighten Iff
  • namespace Enlighten InputLightingValidation
  • namespace Enlighten Itt
  • namespace Enlighten OutputTextureState
  • namespace Enlighten UE4
  • namespace Enlighten Version
  • struct Enlighten AllFilter
  • struct Enlighten BakeInputTexture
  • struct Enlighten CachedLightSelector
  • struct Enlighten CachedLightWriter
  • struct Enlighten CanQuickShade
  • struct Enlighten CanQuickShade< LIGHT_TYPE_DIRECTIONAL_LIGHT >
  • struct Enlighten CountLightSizeVisitor
  • struct Enlighten CullCluster
  • struct Enlighten CullClusterGroup
  • struct Enlighten CullingIterator
  • struct Enlighten CullingIterator< LIGHT_TYPE_INVALID, Culler >
  • struct Enlighten CullSystem
  • struct Enlighten eMetaLightingType
  • struct Enlighten ExcludeQuickShadeFilter
    Calendars
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class Enlighten Triangle2D

    This is the documentation for Enlighten.

    class Enlighten Triangle2D

    Nov 21, 2019

    class Enlighten::Triangle2D

    A triangle in 2D defined by three points.

    Variables

    Name Description
    Vertex2D m_A

    First point.

    Vertex2D m_B

    Second point.

    Vertex2D m_C

    Third point.

    Functions

    Name Description
    Area()

    Computes the unsigned area of the triangle.

    AreaTimesTwo()

    Computes the unsigned area of the triangle multiplied by two.

    GetBarycentricCoordinates(const Vertex2D &)

    Computes the barycentric coordinates for a point and this triangle.

    GetBarycentricWeights(const Vertex2D &)

    Computes the barycentric weights for a point and this triangle.

    IsInsideExclusive(const Vertex2D &)

    Tests if a point is truly inside the triangle, which excludes the edges of the triangle.

    IsInsideExclusive(const Vertex2D &, const double &)

    Tests if a point is inside the triangle incorporating a certain tolerance, which also excludes the edges defined by the triangle and this tolerance.

    IsInsideInclusive(const Vertex2D &)

    Tests if a point is inside the triangle including the edges of the triangle. This does not handle 0 area triangles.

    NearestTriangleEdgeIntersection(Vertex2D &)

    Computes the point on the triangle's edges that is closest to a given point.

    SafeIsInsideInclusive(const Vertex2D &)

    Tests if a point is inside the triangle including the edges of the triangle. Handles 0 area triangles.

    Scale(double)

    Componentwise scaling of the triangle.

    Triangle2D()

    Default constructor initialising the triangle to a point at (0,0).

    Triangle2D(const Vertex2D &, const Vertex2D &, const Vertex2D &)

    Constructor defining the three vertices of the triangle.

    Validate()

    Tests if the triangle is valid which means that all vertices are finite.


    double Enlighten::Triangle2D::Area

    public: double Area() const

    Computes the unsigned area of the triangle.


    double Enlighten::Triangle2D::AreaTimesTwo

    public: double AreaTimesTwo() const

    Computes the unsigned area of the triangle multiplied by two.


    BaryCoords Enlighten::Triangle2D::GetBarycentricCoordinates

    public: BaryCoords GetBarycentricCoordinates
    (
        const Vertex2D & p
    ) const

    Computes the barycentric coordinates for a point and this triangle.


    Geo::BaryWeights Enlighten::Triangle2D::GetBarycentricWeights

    public: Geo::BaryWeights GetBarycentricWeights
    (
        const Vertex2D & p
    ) const

    Computes the barycentric weights for a point and this triangle.


    bool Enlighten::Triangle2D::IsInsideExclusive

    public: bool IsInsideExclusive
    (
        const Vertex2D & p
    ) const

    Tests if a point is truly inside the triangle, which excludes the edges of the triangle.


    bool Enlighten::Triangle2D::IsInsideExclusive

    public: bool IsInsideExclusive
    (
        const Vertex2D & p,
        const double & tolerance
    ) const

    Tests if a point is inside the triangle incorporating a certain tolerance, which also excludes the edges defined by the triangle and this tolerance.

    A positive tolerance effeectively makes the triangle smaller whereas a negative tolerance makes it larger.


    bool Enlighten::Triangle2D::IsInsideInclusive

    public: bool IsInsideInclusive
    (
        const Vertex2D & p
    ) const

    Tests if a point is inside the triangle including the edges of the triangle. This does not handle 0 area triangles.


    Vertex2D Enlighten::Triangle2D::NearestTriangleEdgeIntersection

    public: Vertex2D NearestTriangleEdgeIntersection
    (
        Vertex2D & p
    ) const

    Computes the point on the triangle's edges that is closest to a given point.


    bool Enlighten::Triangle2D::SafeIsInsideInclusive

    public: bool SafeIsInsideInclusive
    (
        const Vertex2D & p
    ) const

    Tests if a point is inside the triangle including the edges of the triangle. Handles 0 area triangles.


    void Enlighten::Triangle2D::Scale

    public: void Scale
    (
        double s
    )

    Componentwise scaling of the triangle.


    Enlighten::Triangle2D::Triangle2D

    public: Triangle2D()

    Default constructor initialising the triangle to a point at (0,0).


    Enlighten::Triangle2D::Triangle2D

    public: Triangle2D
    (
        const Vertex2D & a,
        const Vertex2D & b,
        const Vertex2D & c
    )

    Constructor defining the three vertices of the triangle.


    bool Enlighten::Triangle2D::Validate

    public: bool Validate() const

    Tests if the triangle is valid which means that all vertices are finite.

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