float4 structure
A vector with four components.
This type is available only in C++. Its .NET equivalent is System.Numerics.Vector4.
Constructors
| Name | Description |
|---|---|
float4() |
Creates an uninitialized float4. |
float4(float x, float y, float z, float w) |
Creates a float4 with the specified values. |
float4(float2 value, float z, float w) |
Creates a float4 with x and y copied from a float2 plus the specified z and w values. |
float4(float3 value, float w) |
Creates a float4 with x, y and z copied from a float3 plus the specified w value. |
explicit float4(float value) |
Creates a float4 with all com.ents set to the specified value. |
float4(Microsoft::?Graphics::?Canvas::?Numerics::?Vector4 const& value) |
Converts a Microsoft.Graphics.Canvas.Numerics.Vector4 to a float4. |
Functions
| Name | Description |
|---|---|
float length(float4 const& value) |
Calculates the length, or Euclidean distance, of the vector. |
float length_squared(float4 const& value) |
Calculates the length, or Euclidean distance, of the vector squared. |
float distance(float4 const& value1, float4 const& value2) |
Calculates the Euclidean distance between two vectors. |
float distance_squared(float4 const& value1, float4 const& value2) |
Calculates the Euclidean distance between two vectors squared. |
float dot(float4 const& vector1, float4 const& vector2) |
Calculates the dot product of two vectors. |
float4 normalize(float4 const& vector) |
Creates a unit vector from the specified vector. |
float4 min(float4 const& value1, float4 const& value2) |
Returns a vector that contains the lowest value from each matching pair of components. |
float4 max(float4 const& value1, float4 const& value2) |
Returns a vector that contains the highest value from each matching pair of components. |
float4 clamp(float4 const& value1, float4 const& min, float4 const& max) |
Restricts a value to be within a specified range. |
float4 lerp(float4 const& value1, float4 const& value2, float amount) |
Performs a linear interpolation between two vectors. |
float4 transform(float4 const& vector, float4x4 const& matrix) |
Transforms a float4 by the given matrix. |
float4 transform4(float3 const& position, float4x4 const& matrix) |
Transforms a float3 by the given matrix, returning a float4. |
float4 transform4(float2 const& position, float4x4 const& matrix) |
Transforms a float2 by the given matrix, returning a float4. |
float4 transform(float4 const& value, quaternion const& rotation) |
Transforms a float4 by the given quaternion. |
float4 transform4(float3 const& value, quaternion const& rotation) |
Transforms a float3 by the given quaternion, returning a float4. |
float4 transform4(float2 const& value, quaternion const& rotation) |
Transforms a float2 by the given quaternion, returning a float4. |
Methods
| Name | Description |
|---|---|
static float4 zero() |
Returns a float4 with all of its components set to zero. |
static float4 one() |
Returns a float4 with all of its components set to one. |
static float4 unit_x() |
Returns the float4 (1, 0, 0, 0). |
static float4 unit_y() |
Returns the float4 (0, 1, 0, 0). |
static float4 unit_z() |
Returns the float4 (0, 0, 1, 0). |
static float4 unit_w() |
Returns the float4 (0, 0, 0, 1). |
Operators
| Name | Description |
|---|---|
float4 operator+ (float4 const& value1, float4 const& value2) |
Adds two vectors. |
float4 operator- (float4 const& value1, float4 const& value2) |
Subtracts a vector from a vector. |
float4 operator* (float4 const& value1, float4 const& value2) |
Multiplies the components of two vectors by each other. |
float4 operator* (float4 const& value1, float value2) |
Multiplies a vector by a scalar. |
float4 operator* (float value1, float4 const& value2) |
Multiplies a vector by a scalar. |
float4 operator/ (float4 const& value1, float4 const& value2) |
Divides the components of a vector by the components of another vector. |
float4 operator/ (float4 const& value1, float value2) |
Divides a vector by a scalar value. |
float4 operator- (float4 const& value) |
Returns a vector pointing in the opposite direction. |
float4& operator+= (float4& value1, float4 const& value2) |
In-place adds two vectors. |
float4& operator-= (float4& value1, float4 const& value2) |
In-place subtracts a vector from a vector. |
float4& operator*= (float4& value1, float4 const& value2) |
In-place multiplies the components of two vectors by each other. |
float4& operator*= (float4& value1, float value2) |
In-place multiplies a vector by a scalar. |
float4& operator/= (float4& value1, float4 const& value2) |
In-place divides the components of a vector by the components of another vector. |
float4& operator/= (float4& value1, float value2) |
In-place divides a vector by a scalar value. |
bool operator== (float4 const& value1, float4 const& value2) |
Determines whether two instances of float4 are equal. |
bool operator!= (float4 const& value1, float4 const& value2) |
Determines whether two instances of float4 are not equal. |
operator Microsoft::?Graphics::?Canvas::?Numerics::?Vector4() const |
Converts a float4 to a Microsoft.Graphics.Canvas.Numerics.Vector4. |
Fields
| Name | Description |
|---|---|
float x |
X component of the vector. |
float y |
Y component of the vector. |
float z |
Z component of the vector. |
float w |
W component of the vector. |
Requirements
| Requirement | Value |
|---|---|
| Namespace | Windows::Foundation::Numerics |
| Header |
|