Vector3D.Multiply 方法

定義

將指定的 Vector3D 結構乘以 DoubleMatrix,並傳回結果。Multiplies the specified Vector3D structure by the specified Double or Matrix and returns the result.

多載

Multiply(Double, Vector3D)

將指定的純量乘以指定的 Vector3D 結構,並傳回結果做為 Vector3DMultiplies the specified scalar by the specified Vector3D structure and returns the result as a Vector3D.

Multiply(Vector3D, Double)

將指定的 Vector3D 結構乘以指定的純量,並傳回結果做為 Vector3DMultiplies the specified Vector3D structure by the specified scalar and returns the result as a Vector3D.

Multiply(Vector3D, Matrix3D)

使用指定的 Vector3D 結構,轉換指定之 Matrix3D 結構的座標空間。Transforms the coordinate space of the specified Vector3D structure using the specified Matrix3D structure.

Multiply(Double, Vector3D)

將指定的純量乘以指定的 Vector3D 結構,並傳回結果做為 Vector3DMultiplies the specified scalar by the specified Vector3D structure and returns the result as a Vector3D.

public:
 static System::Windows::Media::Media3D::Vector3D Multiply(double scalar, System::Windows::Media::Media3D::Vector3D vector);
public static System.Windows.Media.Media3D.Vector3D Multiply (double scalar, System.Windows.Media.Media3D.Vector3D vector);
static member Multiply : double * System.Windows.Media.Media3D.Vector3D -> System.Windows.Media.Media3D.Vector3D
Public Shared Function Multiply (scalar As Double, vector As Vector3D) As Vector3D

參數

scalar
Double

要相乘的純量。The scalar to multiply.

vector
Vector3D

要相乘的 Vector3D 結構。The Vector3D structure to multiply.

傳回

scalarvector 相乘的乘積。The result of multiplying scalar and vector.

範例

下列範例顯示如何將純量乘以Vector3D結構。The following example shows how to multiply a scalar by a Vector3D structure.

// Multiplies a Vector3D by a Scalar using the static Multiply method.  
// Returns a Vector3D.

Vector3D vector1 = new Vector3D(20, 30, 40);
Double scalar1 = 75;
Vector3D vectorResult = new Vector3D();

vectorResult = Vector3D.Multiply(vector1, scalar1);
// vectorResult is equal to (1500, 2250, 3000)
' Multiplies a Vector3D by a Scalar using the static Multiply method.  
' Returns a Vector3D.

Dim vector1 As New Vector3D(20, 30, 40)
Dim scalar1 As Double = 75
Dim vectorResult As New Vector3D()

vectorResult = Vector3D.Multiply(vector1, scalar1)
' vectorResult is equal to (1500, 2250, 3000)

另請參閱

Multiply(Vector3D, Double)

將指定的 Vector3D 結構乘以指定的純量,並傳回結果做為 Vector3DMultiplies the specified Vector3D structure by the specified scalar and returns the result as a Vector3D.

public:
 static System::Windows::Media::Media3D::Vector3D Multiply(System::Windows::Media::Media3D::Vector3D vector, double scalar);
public static System.Windows.Media.Media3D.Vector3D Multiply (System.Windows.Media.Media3D.Vector3D vector, double scalar);
static member Multiply : System.Windows.Media.Media3D.Vector3D * double -> System.Windows.Media.Media3D.Vector3D
Public Shared Function Multiply (vector As Vector3D, scalar As Double) As Vector3D

參數

vector
Vector3D

要相乘的 Vector3D 結構。The Vector3D structure to multiply.

scalar
Double

要相乘的純量。The scalar to multiply.

傳回

vectorscalar 相乘的乘積。The result of multiplying vector and scalar.

範例

下列範例顯示如何將Vector3D結構乘以純量。The following example shows how to multiply a Vector3D structure by a scalar.

// Multiplies a Vector3D by a Scalar using the static Multiply method.  
// Returns a Vector3D.

Vector3D vector1 = new Vector3D(20, 30, 40);
Double scalar1 = 75;
Vector3D vectorResult = new Vector3D();

vectorResult = Vector3D.Multiply(vector1, scalar1);
// vectorResult is equal to (1500, 2250, 3000)
' Multiplies a Vector3D by a Scalar using the static Multiply method.  
' Returns a Vector3D.

Dim vector1 As New Vector3D(20, 30, 40)
Dim scalar1 As Double = 75
Dim vectorResult As New Vector3D()

vectorResult = Vector3D.Multiply(vector1, scalar1)
' vectorResult is equal to (1500, 2250, 3000)

另請參閱

Multiply(Vector3D, Matrix3D)

使用指定的 Vector3D 結構,轉換指定之 Matrix3D 結構的座標空間。Transforms the coordinate space of the specified Vector3D structure using the specified Matrix3D structure.

public:
 static System::Windows::Media::Media3D::Vector3D Multiply(System::Windows::Media::Media3D::Vector3D vector, System::Windows::Media::Media3D::Matrix3D matrix);
public static System.Windows.Media.Media3D.Vector3D Multiply (System.Windows.Media.Media3D.Vector3D vector, System.Windows.Media.Media3D.Matrix3D matrix);
static member Multiply : System.Windows.Media.Media3D.Vector3D * System.Windows.Media.Media3D.Matrix3D -> System.Windows.Media.Media3D.Vector3D
Public Shared Function Multiply (vector As Vector3D, matrix As Matrix3D) As Vector3D

參數

vector
Vector3D

要轉換的 Vector3D 結構。The Vector3D structure to transform.

matrix
Matrix3D

要套用至 Vector3D 結構的轉換。The transformation to apply to the Vector3D structure.

傳回

傳回依 vector 轉換 matrix3D 的結果。Returns the result of transforming vector by matrix3D.

範例

下列範例示範如何使用Multiply方法, 透過Matrix3D結構來Vector3D轉換結構。The following example shows how to use the Multiply method to transform a Vector3D structure by a Matrix3D structure.

// Multiplies a Vector3D by a Matrix3D using the static Multiply method.  
// Returns a Vector3D.

Vector3D vector1 = new Vector3D(20, 30, 40);
Matrix3D matrix1 = new Matrix3D(10, 10, 10, 0, 20, 20, 20, 0, 30, 30, 30, 0, 5, 10, 15, 1);
Vector3D vectorResult = new Vector3D();

vectorResult = Vector3D.Multiply(vector1,matrix1);
// vector Result is equal to (2000, 2000, 2000)
' Multiplies a Vector3D by a Matrix3D using the static Multiply method.  
' Returns a Vector3D.

Dim vector1 As New Vector3D(20, 30, 40)
Dim matrix1 As New Matrix3D(10, 10, 10, 0, 20, 20, 20, 0, 30, 30, 30, 0, 5, 10, 15, 1)
Dim vectorResult As New Vector3D()

vectorResult = Vector3D.Multiply(vector1,matrix1)
' vector Result is equal to (2000, 2000, 2000)

另請參閱

適用於