Vector3D.DotProduct(Vector3D, Vector3D) Método

Definição

Namespace:

System.Windows.Media.Media3D

Assembly:

PresentationCore.dll

Calcula o produto escalar de duas estruturas Vector3D.

public:
 static double DotProduct(System::Windows::Media::Media3D::Vector3D vector1, System::Windows::Media::Media3D::Vector3D vector2);

public static double DotProduct (System.Windows.Media.Media3D.Vector3D vector1, System.Windows.Media.Media3D.Vector3D vector2);

static member DotProduct : System.Windows.Media.Media3D.Vector3D * System.Windows.Media.Media3D.Vector3D -> double

Public Shared Function DotProduct (vector1 As Vector3D, vector2 As Vector3D) As Double

Parâmetros

vector1

Vector3D

A primeira estrutura Vector3D a se avaliar.

vector2

Vector3D

A segunda estrutura Vector3D a se avaliar.

Retornos

Double

O produto escalar de vector1 e vector2.

Exemplos

O exemplo a seguir mostra como calcular o produto de ponto de duas Vector3D estruturas.

    // Calculates the Dot Product of two Vectors.

    // Declaring vector1 and initializing x,y,z values
    Vector3D vector1 = new Vector3D(20, 30, 40);

    // Declaring vector2 without initializing x,y,z values
    Vector3D vector2 = new Vector3D();

    // A Double to hold the result of the operation
    Double dotProduct;

    // Assigning values to vector2
    vector2.X = 45;
    vector2.Y = 70;
    vector2.Z = 80;

    // Calculating the dot product of vector1 and vector2
    dotProduct = Vector3D.DotProduct(vector1, vector2);

    // vectorResult is equal to (6200)

' Calculates the Dot Product of two Vectors.

' Declaring vector1 and initializing x,y,z values
Dim vector1 As New Vector3D(20, 30, 40)

' Declaring vector2 without initializing x,y,z values
Dim vector2 As New Vector3D()

' A Double to hold the result of the operation
Dim dotProduct As Double

' Assigning values to vector2
vector2.X = 45
vector2.Y = 70
vector2.Z = 80

' Calculating the dot product of vector1 and vector2
dotProduct = Vector3D.DotProduct(vector1, vector2)

' vectorResult is equal to (6200)