float2 structure
A vector with two components.
This type is available only in C++. Its .NET equivalent is System.Numerics.Vector2.
Constructors
| Name | Description |
|---|---|
float2() |
Creates an uninitialized float2. |
float2(float x, float y) |
Creates a float2 with the specified values. |
explicit float2(float value) |
Creates a float2 with all components set to the specified value. |
float2(Microsoft::Graphics::Canvas::Numerics::Vector2 const& value) |
Converts a Microsoft.Graphics.Canvas.Numerics.Vector2 to a float2. |
float2(Windows::Foundation::Point const& value) |
Converts a Windows.Foundation.Point to a float2. |
float2(Windows::Foundation::Size const& value) |
Converts a Windows.Foundation.Size to a float2. |
Functions
| Name | Description |
|---|---|
float length(float2 const& value) |
Calculates the length, or Euclidean distance, of the vector. |
float length_squared(float2 const& value) |
Calculates the length, or Euclidean distance, of the vector squared. |
float distance(float2 const& value1, float2 const& value2) |
Calculates the Euclidean distance between two vectors. |
float distance_squared(float2 const& value1, float2 const& value2) |
Calculates the Euclidean distance between two vectors squared. |
float dot(float2 const& value1, float2 const& value2) |
Calculates the dot product of two vectors. |
float2 normalize(float2 const& value) |
Creates a unit vector from the specified vector. |
float2 reflect(float2 const& vector, float2 const& normal) |
Determines the reflect vector of the given vector and normal. |
float2 min(float2 const& value1, float2 const& value2) |
Returns a vector that contains the lowest value from each matching pair of components. |
float2 max(float2 const& value1, float2 const& value2) |
Returns a vector that contains the highest value from each matching pair of components. |
float2 clamp(float2 const& value1, float2 const& min, float2 const& max) |
Restricts a value to be within a specified range. |
float2 lerp(float2 const& value1, float2 const& value2, float amount) |
Performs a linear interpolation between two vectors. |
float2 transform(float2 const& position, float3x2 const& matrix) |
Transforms the vector (x, y, 0, 1) by the specified matrix. |
float2 transform(float2 const& position, float4x4 const& matrix) |
Transforms the vector (x, y, 0, 1) by the specified matrix. |
float2 transform_normal(float2 const& normal, float3x2 const& matrix) |
Transforms the normal vector (x, y, 0, 0) by the specified matrix. |
float2 transform_normal(float2 const& normal, float4x4 const& matrix) |
Transforms the normal vector (x, y, 0, 0) by the specified matrix. |
float2 transform(float2 const& value, quaternion const& rotation) |
Transforms a float2 by the given quaternion. |
Methods
| Name | Description |
|---|---|
static float2 zero() |
Returns a float2 with all of its components set to zero. |
static float2 one() |
Returns a float2 with all of its components set to one. |
static float2 unit_x() |
Returns the float2 (1, 0). |
static float2 unit_y() |
Returns the float2 (0, 1). |
Operators
| Name | Description |
|---|---|
operator Windows::Foundation::Point() const |
Converts a float2 to a Windows.Foundation.Point. |
operator Windows::Foundation::Size() const |
Converts a float2 to a Windows.Foundation.Size. |
float2 operator+ (float2 const& value1, float2 const& value2) |
Adds two vectors. |
float2 operator- (float2 const& value1, float2 const& value2) |
Subtracts a vector from a vector. |
float2 operator* (float2 const& value1, float2 const& value2) |
Multiplies the components of two vectors by each other. |
float2 operator* (float2 const& value1, float value2) |
Multiplies a vector by a scalar. |
float2 operator* (float value1, float2 const& value2) |
Multiplies a vector by a scalar. |
float2 operator/ (float2 const& value1, float2 const& value2) |
Divides the components of a vector by the components of another vector. |
float2 operator/ (float2 const& value1, float value2) |
Divides a vector by a scalar value. |
float2 operator- (float2 const& value) |
Returns a vector pointing in the opposite direction. |
float2& operator+= (float2& value1, float2 const& value2) |
In-place adds two vectors. |
float2& operator-= (float2& value1, float2 const& value2) |
In-place subtracts a vector from a vector. |
float2& operator*= (float2& value1, float2 const& value2) |
In-place multiplies the components of two vectors by each other. |
float2& operator*= (float2& value1, float value2) |
In-place multiplies a vector by a scalar. |
float2& operator/= (float2& value1, float2 const& value2) |
In-place divides the components of a vector by the components of another vector. |
float2& operator/= (float2& value1, float value2) |
In-place divides a vector by a scalar value. |
bool operator== (float2 const& value1, float2 const& value2) |
Determines whether two instances of float2 are equal. |
bool operator!= (float2 const& value1, float2 const& value2) |
Determines whether two instances of float2 are not equal. |
operator Microsoft::?Graphics::?Canvas::?Numerics::?Vector2() const |
Converts a float2 to a Microsoft.Graphics.Canvas.Numerics.Vector2. |
Fields
| Name | Description |
|---|---|
float x |
X component of the vector. |
float y |
Y component of the vector. |
Requirements
| Requirement | Value |
|---|---|
| Namespace | Windows::Foundation::Numerics |
| Header |
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