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Struct Box2i

Defines an axis-aligned 2d box (rectangle).

Implements
IEquatable<Box2i>
IFormattable
Inherited Members
object.Equals(object, object)
object.GetType()
object.ReferenceEquals(object, object)
Namespace: OpenTK.Mathematics
Assembly: OpenTK.Mathematics.dll
Syntax
[Serializable]
public struct Box2i : IEquatable<Box2i>, IFormattable

Constructors

Box2i(Vector2i, Vector2i)

Initializes a new instance of the Box2i struct.

Declaration
public Box2i(Vector2i min, Vector2i max)
Parameters
Type Name Description
Vector2i min

The minimum point on the XY plane this box encloses.

Vector2i max

The maximum point on the XY plane this box encloses.

Box2i(int, int, int, int)

Initializes a new instance of the Box2i struct.

Declaration
public Box2i(int minX, int minY, int maxX, int maxY)
Parameters
Type Name Description
int minX

The minimum X value to be enclosed.

int minY

The minimum Y value to be enclosed.

int maxX

The maximum X value to be enclosed.

int maxY

The maximum Y value to be enclosed.

Fields

Empty

An empty box with Min (0, 0) and Max (0, 0).

Declaration
public static readonly Box2i Empty
Field Value
Type Description
Box2i

UnitSquare

Gets a box with a location 0,0 with the a size of 1.

Declaration
public static readonly Box2i UnitSquare
Field Value
Type Description
Box2i

Properties

Bottom

Gets or sets the bottom location of the box.

Declaration
public int Bottom { get; set; }
Property Value
Type Description
int

Center

Gets a vector describing the center of the box.

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

CenteredSize

Gets a vector describing the size of the Box2i structure.

Declaration
public Vector2i CenteredSize { get; }
Property Value
Type Description
Vector2i

HalfSize

Gets or sets a vector describing half the size of the box.

Declaration
public Vector2i HalfSize { get; set; }
Property Value
Type Description
Vector2i

Height

Gets or sets the height of the box.

Declaration
public int Height { get; set; }
Property Value
Type Description
int

IsZero

Gets a value indicating whether all values are zero.

Declaration
public bool IsZero { get; }
Property Value
Type Description
bool

Left

Gets or sets the left location of the box.

Declaration
public int Left { get; set; }
Property Value
Type Description
int

Location

Gets the location of the box.

Declaration
public Vector2i Location { get; }
Property Value
Type Description
Vector2i

Max

Gets or sets the maximum boundary of the structure.

Declaration
public Vector2i Max { readonly get; set; }
Property Value
Type Description
Vector2i

Min

Gets or sets the minimum boundary of the structure.

Declaration
public Vector2i Min { readonly get; set; }
Property Value
Type Description
Vector2i

Right

Gets or sets the right location of the box.

Declaration
public int Right { get; set; }
Property Value
Type Description
int

Size

Gets or sets the size of the box.

Declaration
public Vector2i Size { get; set; }
Property Value
Type Description
Vector2i

SizeX

Gets or sets the horizontal size.

Declaration
public int SizeX { get; set; }
Property Value
Type Description
int

SizeY

Gets or sets the vertical size.

Declaration
public int SizeY { get; set; }
Property Value
Type Description
int

Top

Gets or sets the top location of the box.

Declaration
public int Top { get; set; }
Property Value
Type Description
int

Width

Gets or sets the width of the box.

Declaration
public int Width { get; set; }
Property Value
Type Description
int

X

Gets or sets the X location of the box.

Declaration
public int X { get; set; }
Property Value
Type Description
int

Y

Gets or sets the Y location of the box.

Declaration
public int Y { get; set; }
Property Value
Type Description
int

Methods

Contains(Box2i)

Returns whether the box contains the specified box (borders inclusive).

Declaration
[Pure]
public readonly bool Contains(Box2i other)
Parameters
Type Name Description
Box2i other

The box to query.

Returns
Type Description
bool

Whether this box contains the other box.

Contains(Vector2i)

Returns whether the box contains the specified point (borders inclusive).

Declaration
[Pure]
[Obsolete("This function excludes borders even though it's documentation says otherwise. Use ContainsInclusive and ContainsExclusive for the desired behaviour.")]
public readonly bool Contains(Vector2i point)
Parameters
Type Name Description
Vector2i point

The point to query.

Returns
Type Description
bool

Whether this box contains the point.

Contains(Vector2i, bool)

Returns whether the box contains the specified point.

Declaration
[Pure]
public bool Contains(Vector2i point, bool boundaryInclusive)
Parameters
Type Name Description
Vector2i point

The point to query.

bool boundaryInclusive

Whether points on the box boundary should be recognised as contained as well.

Returns
Type Description
bool

Whether this box contains the point.

ContainsExclusive(Vector2i)

Returns whether the box contains the specified point (borders exclusive).

Declaration
[Pure]
public readonly bool ContainsExclusive(Vector2i point)
Parameters
Type Name Description
Vector2i point

The point to query.

Returns
Type Description
bool

Whether this box contains the point.

ContainsInclusive(Vector2i)

Returns whether the box contains the specified point (borders inclusive).

Declaration
[Pure]
public readonly bool ContainsInclusive(Vector2i point)
Parameters
Type Name Description
Vector2i point

The point to query.

Returns
Type Description
bool

Whether this box contains the point.

DistanceToNearestEdge(Vector2i)

Returns the distance between the nearest edge and the specified point.

Declaration
[Pure]
public readonly float DistanceToNearestEdge(Vector2i point)
Parameters
Type Name Description
Vector2i point

The point to find distance for.

Returns
Type Description
float

The distance between the specified point and the nearest edge.

Equals(Box2i)

Indicates whether the current object is equal to another object of the same type.

Declaration
public bool Equals(Box2i other)
Parameters
Type Name Description
Box2i other

An object to compare with this object.

Returns
Type Description
bool

true if the current object is equal to the other parameter; otherwise, false.

Equals(object)

Indicates whether this instance and a specified object are equal.

Declaration
public override bool Equals(object obj)
Parameters
Type Name Description
object obj

The object to compare with the current instance.

Returns
Type Description
bool

true if obj and this instance are the same type and represent the same value; otherwise, false.

Overrides
ValueType.Equals(object)

Extend(Vector2i)

Extend this Box2i to encapsulate a given point.

Declaration
public void Extend(Vector2i point)
Parameters
Type Name Description
Vector2i point

The point to contain.

Extended(Vector2i)

Extend this Box2i to encapsulate a given point.

Declaration
[Pure]
public readonly Box2i Extended(Vector2i point)
Parameters
Type Name Description
Vector2i point

The point to contain.

Returns
Type Description
Box2i

The inflated box.

FromPositions(Vector2i, Vector2i)

Initializes a new instance of the Box2 struct.

Declaration
public static Box2i FromPositions(Vector2i min, Vector2i max)
Parameters
Type Name Description
Vector2i min

The minimum point on the XY plane this box encloses.

Vector2i max

The maximum point on the XY plane this box encloses.

Returns
Type Description
Box2i

A box.

FromPositions(int, int, int, int)

Initializes a new instance of the Box2 struct.

Declaration
public static Box2i FromPositions(int minX, int minY, int maxX, int maxY)
Parameters
Type Name Description
int minX

The minimum X value to be enclosed.

int minY

The minimum Y value to be enclosed.

int maxX

The maximum X value to be enclosed.

int maxY

The maximum Y value to be enclosed.

Returns
Type Description
Box2i

A box.

FromSize(Vector2i, Vector2i)

Creates a box.

Declaration
public static Box2i FromSize(Vector2i location, Vector2i size)
Parameters
Type Name Description
Vector2i location

The location of the box.

Vector2i size

The size of the box.

Returns
Type Description
Box2i

A box.

GetHashCode()

Returns the hash code for this instance.

Declaration
public override readonly int GetHashCode()
Returns
Type Description
int

A 32-bit signed integer that is the hash code for this instance.

Overrides
ValueType.GetHashCode()

Inflate(Vector2i)

Inflates this Box2i by the given size in all directions. A negative size will shrink the box to a maximum of -HalfSize. Use the Extend(Vector2i) method for the point-encapsulation functionality in OpenTK version 4.8.1 and earlier.

Declaration
public void Inflate(Vector2i size)
Parameters
Type Name Description
Vector2i size

The size to inflate by.

Inflated(Vector2i)

Inflates this Box2i by the given size in all directions. A negative size will shrink the box to a maximum of -HalfSize. Use the Extended(Vector2i) method for the point-encapsulation functionality in OpenTK version 4.8.1 and earlier.

Declaration
[Pure]
public readonly Box2i Inflated(Vector2i size)
Parameters
Type Name Description
Vector2i size

The size to inflate by.

Returns
Type Description
Box2i

The inflated box.

Intersect(Box2i)

Replaces this Box with the intersection of itself and the specified Box.

Declaration
public void Intersect(Box2i other)
Parameters
Type Name Description
Box2i other

The Box with which to intersect.

Intersect(Box2i, Box2i)

Creates a rectangle that represents the intersection between a and b. If there is no intersection, a empty Box2i is returned.

Declaration
public static Box2i Intersect(Box2i a, Box2i b)
Parameters
Type Name Description
Box2i a

First rectangle to intersect.

Box2i b

Second rectangle to intersect.

Returns
Type Description
Box2i

The Box2i that represents the intersection of both Box2i.

Intersected(Box2i)

Returns the intersection of itself and the specified Box.

Declaration
public Box2i Intersected(Box2i other)
Parameters
Type Name Description
Box2i other

The Box with which to intersect.

Returns
Type Description
Box2i

The intersection of itself and the specified Box.

IntersectsWith(Box2i)

Determines if this Box intersects with another Box.

Declaration
public bool IntersectsWith(Box2i other)
Parameters
Type Name Description
Box2i other

The Box to test.

Returns
Type Description
bool

This method returns true if there is any intersection, otherwise false.

Scale(Vector2i, Vector2i)

Scales this Box2i by the given amount.

Declaration
public void Scale(Vector2i scale, Vector2i anchor)
Parameters
Type Name Description
Vector2i scale

The scale to scale the box.

Vector2i anchor

The anchor to scale the box from.

Scaled(Vector2i, Vector2i)

Returns a Box2i scaled by a given amount from an anchor point.

Declaration
[Pure]
public readonly Box2i Scaled(Vector2i scale, Vector2i anchor)
Parameters
Type Name Description
Vector2i scale

The scale to scale the box.

Vector2i anchor

The anchor to scale the box from.

Returns
Type Description
Box2i

The scaled box.

ToString()

Returns the fully qualified type name of this instance.

Declaration
public override string ToString()
Returns
Type Description
string

The fully qualified type name.

Overrides
ValueType.ToString()

ToString(IFormatProvider)

Formats the value of the current instance using the specified format.

Declaration
public string ToString(IFormatProvider formatProvider)
Parameters
Type Name Description
IFormatProvider formatProvider

The provider to use to format the value.

-or-

A null reference (Nothing in Visual Basic) to obtain the numeric format information from the current locale setting of the operating system.

Returns
Type Description
string

The value of the current instance in the specified format.

ToString(string)

Formats the value of the current instance using the specified format.

Declaration
public string ToString(string format)
Parameters
Type Name Description
string format

The format to use.

-or-

A null reference (Nothing in Visual Basic) to use the default format defined for the type of the IFormattable implementation.

Returns
Type Description
string

The value of the current instance in the specified format.

ToString(string, IFormatProvider)

Formats the value of the current instance using the specified format.

Declaration
public string ToString(string format, IFormatProvider formatProvider)
Parameters
Type Name Description
string format

The format to use.

-or-

A null reference (Nothing in Visual Basic) to use the default format defined for the type of the IFormattable implementation.

IFormatProvider formatProvider

The provider to use to format the value.

-or-

A null reference (Nothing in Visual Basic) to obtain the numeric format information from the current locale setting of the operating system.

Returns
Type Description
string

The value of the current instance in the specified format.

TouchWith(Box2i)

Determines if this Box intersects or touches with another Box.

Declaration
public bool TouchWith(Box2i other)
Parameters
Type Name Description
Box2i other

The Box to test.

Returns
Type Description
bool

This method returns true if there is any intersection or touches, otherwise false.

Translate(Vector2i)

Translates this Box2i by the given amount.

Declaration
public void Translate(Vector2i distance)
Parameters
Type Name Description
Vector2i distance

The distance to translate the box.

Translated(Vector2i)

Returns a Box2i translated by the given amount.

Declaration
[Pure]
public readonly Box2i Translated(Vector2i distance)
Parameters
Type Name Description
Vector2i distance

The distance to translate the box.

Returns
Type Description
Box2i

The translated box.

Union(Box2i, Box2i)

Gets a Box structure that contains the union of two Box structures.

Declaration
public static Box2i Union(Box2i a, Box2i b)
Parameters
Type Name Description
Box2i a

A Box to union.

Box2i b

a box to union.

Returns
Type Description
Box2i

A Box structure that bounds the union of the two Box structures.

Operators

operator ==(Box2i, Box2i)

Equality comparator.

Declaration
public static bool operator ==(Box2i left, Box2i right)
Parameters
Type Name Description
Box2i left

The left operand.

Box2i right

The right operand.

Returns
Type Description
bool

explicit operator Rectangle(Box2i)

Converts this Box2i to a Rectangle using Min as the position and Size as the size.

Declaration
[Pure]
public static explicit operator Rectangle(Box2i box)
Parameters
Type Name Description
Box2i box

The box to cast.

Returns
Type Description
Rectangle

operator !=(Box2i, Box2i)

Inequality comparator.

Declaration
public static bool operator !=(Box2i left, Box2i right)
Parameters
Type Name Description
Box2i left

The left operand.

Box2i right

The right operand.

Returns
Type Description
bool

Implements

IEquatable<T>
IFormattable
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