Struct Rectangle

Describes rectangle in 2D space defines by location of its upper-left corner and the size.

System.IEquatable<Rectangle>
System.Object.Equals(System.Object, System.Object)
System.Object.GetType()
System.Object.ReferenceEquals(System.Object, System.Object)
Namespace: FlaxEngine
Assembly: FlaxEngine.CSharp.dll
Syntax
[Unmanaged]
public struct Rectangle : IEquatable<Rectangle>

Constructors

Rectangle(Vector2, Vector2)

Init

Declaration
public Rectangle(Vector2 location, Vector2 size)
Parameters
Vector2 location

Location of the upper left corner
Vector2 size

Size

Rectangle(Vector2, Single, Single)

Init

Declaration
public Rectangle(Vector2 location, float width, float height)
Parameters
Vector2 location

Location of the upper left corner
System.Single width

Width
System.Single height

Height

Rectangle(Single, Single, Vector2)

Init

Declaration
public Rectangle(float x, float y, Vector2 size)
Parameters
System.Single x

X coordinate
System.Single y

Y coordinate
Vector2 size

Size

Rectangle(Single, Single, Single, Single)

Init

Declaration
public Rectangle(float x, float y, float width, float height)
Parameters
System.Single x

X coordinate
System.Single y

Y coordinate
System.Single width

Width
System.Single height

Height

Fields

Empty

A Rectangle which represents an empty space.

Declaration
public static readonly Rectangle Empty
Field Value
Rectangle

Location

Rectangle location (coordinates of the upper-left corner)

Declaration
public Vector2 Location
Field Value
Vector2

Size

Rectangle size

Declaration
public Vector2 Size
Field Value
Vector2

Properties

Bottom

Gets Y coordinate of the bottom edge of the rectangle

Declaration
public readonly float Bottom { get; }
Property Value
System.Single

BottomLeft

Gets position of the bottom left corner of the rectangle

Declaration
public readonly Vector2 BottomLeft { get; }
Property Value
Vector2

BottomRight

Gets position of the bottom right corner of the rectangle

Declaration
public readonly Vector2 BottomRight { get; }
Property Value
Vector2

Center

Gets center position of the rectangle

Declaration
public readonly Vector2 Center { get; }
Property Value
Vector2

Height

Gets or sets height of the rectangle

Declaration
public float Height { get; set; }
Property Value
System.Single

Left

Gets X coordinate of the left edge of the rectangle

Declaration
public readonly float Left { get; }
Property Value
System.Single

Right

Gets X coordinate of the right edge of the rectangle

Declaration
public readonly float Right { get; }
Property Value
System.Single

Top

Gets Y coordinate of the top edge of the rectangle

Declaration
public readonly float Top { get; }
Property Value
System.Single

UpperLeft

Gets position of the upper left corner of the rectangle

Declaration
public readonly Vector2 UpperLeft { get; }
Property Value
Vector2

UpperRight

Gets position of the upper right corner of the rectangle

Declaration
public readonly Vector2 UpperRight { get; }
Property Value
Vector2

Width

Gets or sets width of the rectangle

Declaration
public float Width { get; set; }
Property Value
System.Single

X

Gets or sets X coordinate of the left edge of the rectangle

Declaration
public float X { get; set; }
Property Value
System.Single

Y

Gets or sets Y coordinate of the left edge of the rectangle

Declaration
public float Y { get; set; }
Property Value
System.Single

Methods

Contains(Rectangle)

Determines whether this rectangle entirely contains a specified rectangle

Declaration
public bool Contains(Rectangle value)
Parameters
Rectangle value

The rectangle to evaluate
Returns
System.Boolean

True if this rectangle entirely contains the specified rectangle, or false if not

Contains(ref Rectangle)

Determines whether this rectangle entirely contains a specified rectangle

Declaration
public bool Contains(ref Rectangle value)
Parameters
Rectangle value

The rectangle to evaluate
Returns
System.Boolean

True if this rectangle entirely contains the specified rectangle, or false if not

Contains(Vector2)

Checks if rectangle contains given point

Declaration
public bool Contains(Vector2 location)
Parameters
Vector2 location

Point location to check
Returns
System.Boolean

True if point is inside rectangle's area

Contains(ref Vector2)

Checks if rectangle contains given point

Declaration
public bool Contains(ref Vector2 location)
Parameters
Vector2 location

Point location to check
Returns
System.Boolean

True if point is inside rectangle's area

Distance(Rectangle, Rectangle)

Computed nearest distance between 2 rectangles.

Declaration
public static float Distance(Rectangle a, Rectangle b)
Parameters
Rectangle a

First rectangle
Rectangle b

Second rectangle
Returns
System.Single

Resulting distance, 0 if overlapping

Distance(Rectangle, Vector2)

Computed distance between rectangle and the point.

Declaration
public static float Distance(Rectangle rect, Vector2 p)
Parameters
Rectangle rect

The rectangle.
Vector2 p

The point.
Returns
System.Single

The resulting distance, 0 if point is inside the rectangle.

Equals(Rectangle)

Declaration
public bool Equals(Rectangle other)
Parameters
Rectangle other

Returns
System.Boolean

Implements
System.IEquatable<T>.Equals(T)

Equals(ref Rectangle)

Determines whether the specified Rectangle is equal to this instance.

Declaration
public bool Equals(ref Rectangle other)
Parameters
Rectangle other

The Rectangle to compare with this instance.
Returns
System.Boolean

true if the specified Rectangle is equal to this instance; otherwise, false.

Equals(Object)

Declaration
public override bool Equals(object obj)
Parameters
System.Object obj

Returns
System.Boolean

Overrides
System.ValueType.Equals(System.Object)

Expand(Single)

Expand rectangle area in all directions by given amount

Declaration
public void Expand(float toExpand)
Parameters
System.Single toExpand

Amount of units to expand a rectangle

FromPoints(Vector2, Vector2)

Creates rectangle from two points.

Declaration
public static Rectangle FromPoints(Vector2 p1, Vector2 p2)
Parameters
Vector2 p1

First point
Vector2 p2

Second point
Returns
Rectangle

Rectangle that contains both p1 and p2

FromPoints(ref Vector2, ref Vector2, out Rectangle)

Creates rectangle from two points.

Declaration
public static void FromPoints(ref Vector2 p1, ref Vector2 p2, out Rectangle result)
Parameters
Vector2 p1

First point
Vector2 p2

Second point
Rectangle result

When the method completes, contains the rectangle that contains both p1 and p2 points.

GetHashCode()

Declaration
public override int GetHashCode()
Returns
System.Int32

Overrides
System.ValueType.GetHashCode()

Intersects(Rectangle)

Determines whether a specified rectangle intersects with this rectangle

Declaration
public bool Intersects(Rectangle value)
Parameters
Rectangle value

The rectangle to evaluate
Returns
System.Boolean

True if the specified rectangle intersects with this one, otherwise false

Intersects(ref Rectangle)

Determines whether a specified rectangle intersects with this rectangle

Declaration
public bool Intersects(ref Rectangle value)
Parameters
Rectangle value

The rectangle to evaluate
Returns
System.Boolean

True if the specified rectangle intersects with this one, otherwise false

MakeExpanded(Single)

Make expanded rectangle area in all directions by given amount

Declaration
public Rectangle MakeExpanded(float toExpand)
Parameters
System.Single toExpand

Amount of units to expand a rectangle
Returns
Rectangle

Expanded rectangle

MakeOffsetted(Vector2)

Make offseted rectangle

Declaration
public Rectangle MakeOffsetted(Vector2 offset)
Parameters
Vector2 offset

X and Y coordinate offset
Returns
Rectangle

Offseted rectangle

MakeOffsetted(Single, Single)

Make offseted rectangle

Declaration
public Rectangle MakeOffsetted(float x, float y)
Parameters
System.Single x

X coordinate offset
System.Single y

Y coordinate offset
Returns
Rectangle

Offseted rectangle

MakeScaled(Single)

Make scaled rectangle area in all directions by given amount

Declaration
public Rectangle MakeScaled(float scale)
Parameters
System.Single scale

Scale value to expand a rectangle
Returns
Rectangle

Scaled rectangle

Margin(Rectangle, Margin)

Calculates a rectangle that includes the margins (inside).

Declaration
public static Rectangle Margin(Rectangle value, Margin margin)
Parameters
Rectangle value

The rectangle.
Margin margin

The margin to apply to the rectangle.
Returns
Rectangle

Rectangle inside the given rectangle after applying margins inside it.

Offset(Vector2)

Offset rectangle position

Declaration
public void Offset(Vector2 offset)
Parameters
Vector2 offset

X and Y coordinate offset

Offset(Single, Single)

Offset rectangle position

Declaration
public void Offset(float x, float y)
Parameters
System.Single x

X coordinate offset
System.Single y

Y coordinate offset

Scale(Single)

Scale rectangle area in all directions by given amount

Declaration
public void Scale(float scale)
Parameters
System.Single scale

Scale value to expand a rectangle

Shared(Rectangle, Rectangle)

Calculates a rectangle that contains the shared part of a and b rectangles.

Declaration
public static Rectangle Shared(Rectangle a, Rectangle b)
Parameters
Rectangle a

The first rectangle.
Rectangle b

The second rectangle.
Returns
Rectangle

Rectangle that contains shared part of a and b rectangles.

Shared(ref Rectangle, ref Rectangle, out Rectangle)

Calculates a rectangle that contains the shared part of a and b rectangles.

Declaration
public static void Shared(ref Rectangle a, ref Rectangle b, out Rectangle result)
Parameters
Rectangle a

The first rectangle.
Rectangle b

The second rectangle.
Rectangle result

When the method completes, contains the rectangle that shared part of a and b rectangles.

ToString()

Declaration
public override string ToString()
Returns
System.String

Overrides
System.ValueType.ToString()

Union(Rectangle, Rectangle)

Calculates a rectangle that contains the union of a and b rectangles

Declaration
public static Rectangle Union(Rectangle a, Rectangle b)
Parameters
Rectangle a

The first rectangle.
Rectangle b

The second rectangle.
Returns
Rectangle

Rectangle that contains both a and b rectangles

Union(ref Rectangle, ref Rectangle, out Rectangle)

Calculates a rectangle that contains the union of a and b rectangles

Declaration
public static void Union(ref Rectangle a, ref Rectangle b, out Rectangle result)
Parameters
Rectangle a

First rectangle
Rectangle b

Second rectangle
Rectangle result

When the method completes, contains the rectangle that both a and b rectangles.

Operators

Addition(Rectangle, Vector2)

Implements the operator +.

Declaration
public static Rectangle operator +(Rectangle rectangle, Vector2 offset)
Parameters
Rectangle rectangle

The rectangle.
Vector2 offset

The offset.
Returns
Rectangle

The result of the operator.

Equality(Rectangle, Rectangle)

Tests for equality between two objects.

Declaration
public static bool operator ==(Rectangle left, Rectangle right)
Parameters
Rectangle left

The first value to compare.
Rectangle right

The second value to compare.
Returns
System.Boolean

true if left has the same value as right; otherwise, false.

Inequality(Rectangle, Rectangle)

Tests for inequality between two objects.

Declaration
public static bool operator !=(Rectangle left, Rectangle right)
Parameters
Rectangle left

The first value to compare.
Rectangle right

The second value to compare.
Returns
System.Boolean

true if left has a different value than right; otherwise, false.

Multiply(Rectangle, Single)

Implements the operator *.

Declaration
public static Rectangle operator *(Rectangle rectangle, float scale)
Parameters
Rectangle rectangle

The rectangle.
System.Single scale

The scale.
Returns
Rectangle

The result of the operator.

Subtraction(Rectangle, Vector2)

Implements the operator -.

Declaration
public static Rectangle operator -(Rectangle rectangle, Vector2 offset)
Parameters
Rectangle rectangle

The rectangle.
Vector2 offset

The offset.
Returns
Rectangle

The result of the operator.

Extension Methods