---
title: Box2d
status: published
category: primitives
group: Class
author: api
date: 06/23/2023
order: 3
---<Small>Public Class</Small>

<details>
	<summary>Table of Contents</summary>
- [Properties](#properties)
  - [aspectRatio](#Box2d-aspectRatio-member)
  - [center](#Box2d-center-member)
  - [Collides](#Box2d-Collides-member)
  - [Common](#Box2d-Common-member)
  - [Contains](#Box2d-Contains-member)
  - [ContainsPoint](#Box2d-ContainsPoint-member)
  - [corners](#Box2d-corners-member)
  - [h](#Box2d-h-member)
  - [height](#Box2d-height-member)
  - [Includes](#Box2d-Includes-member)
  - [maxX](#Box2d-maxX-member)
  - [maxY](#Box2d-maxY-member)
  - [midX](#Box2d-midX-member)
  - [midY](#Box2d-midY-member)
  - [minX](#Box2d-minX-member)
  - [minY](#Box2d-minY-member)
  - [point](#Box2d-point-member)
  - [sides](#Box2d-sides-member)
  - [Sides](#Box2d-Sides-member)
  - [size](#Box2d-size-member)
  - [snapPoints](#Box2d-snapPoints-member)
  - [w](#Box2d-w-member)
  - [width](#Box2d-width-member)
  - [x](#Box2d-x-member)
  - [y](#Box2d-y-member)
- [Methods](#methods)
  - [clone](#Box2d-clone-member-1)
  - [collides](#Box2d-collides-member-1)
  - [contains](#Box2d-contains-member-1)
  - [containsPoint](#Box2d-containsPoint-member-1)
  - [equals](#Box2d-equals-member-1)
  - [Equals](#Box2d-Equals-member-1)
  - [expand](#Box2d-expand-member-1)
  - [Expand](#Box2d-Expand-member-1)
  - [expandBy](#Box2d-expandBy-member-1)
  - [ExpandBy](#Box2d-ExpandBy-member-1)
  - [From](#Box2d-From-member-1)
  - [FromPoints](#Box2d-FromPoints-member-1)
  - [getHandlePoint](#Box2d-getHandlePoint-member-1)
  - [includes](#Box2d-includes-member-1)
  - [resize](#Box2d-resize-member-1)
  - [Resize](#Box2d-Resize-member-1)
  - [scale](#Box2d-scale-member-1)
  - [set](#Box2d-set-member-1)
  - [setTo](#Box2d-setTo-member-1)
  - [snapToGrid](#Box2d-snapToGrid-member-1)
  - [toFixed](#Box2d-toFixed-member-1)
  - [toJson](#Box2d-toJson-member-1)
  - [translate](#Box2d-translate-member-1)
  - [union](#Box2d-union-member-1)
</details>




##### Signature


```ts
class Box2d {}
```

---

### `Constructor`

<Small>Public Constructor</Small>

Constructs a new instance of the `Box2d` class


##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`x`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`y`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`w`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`h`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

---

## Properties

### `aspectRatio` \{#Box2d-aspectRatio-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get aspectRatio(): number
```

---

### `center` \{#Box2d-center-member}

<Small>Public Property</Small>

##### Signature


```ts
get center(): Vec2d

set center(v: Vec2d)
```

##### References

[Vec2d](/gen/primitives/Vec2d-class)

---

### `Collides` \{#Box2d-Collides-member}

<Small>Public Static Property</Small>

##### Signature


```ts
static Collides: (A: Box2d, B: Box2d) => boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `Common` \{#Box2d-Common-member}

<Small>Public Static Property</Small>

##### Signature


```ts
static Common: (boxes: Box2d[]) => Box2d
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `Contains` \{#Box2d-Contains-member}

<Small>Public Static Property</Small>

##### Signature


```ts
static Contains: (A: Box2d, B: Box2d) => boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `ContainsPoint` \{#Box2d-ContainsPoint-member}

<Small>Public Static Property</Small>

##### Signature


```ts
static ContainsPoint: (A: Box2d, B: number | VecLike, y?: number) => boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class), [VecLike](/gen/primitives/VecLike-type)

---

### `corners` \{#Box2d-corners-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get corners(): Vec2d[]
```

##### References

[Vec2d](/gen/primitives/Vec2d-class)

---

### `h` \{#Box2d-h-member}

<Small>Public Property</Small>

##### Signature


```ts
h: number
```

---

### `height` \{#Box2d-height-member}

<Small>Public Property</Small>

##### Signature


```ts
get height(): number

set height(n: number)
```

---

### `Includes` \{#Box2d-Includes-member}

<Small>Public Static Property</Small>

##### Signature


```ts
static Includes: (A: Box2d, B: Box2d) => boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `maxX` \{#Box2d-maxX-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get maxX(): number
```

---

### `maxY` \{#Box2d-maxY-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get maxY(): number
```

---

### `midX` \{#Box2d-midX-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get midX(): number
```

---

### `midY` \{#Box2d-midY-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get midY(): number
```

---

### `minX` \{#Box2d-minX-member}

<Small>Public Property</Small>

##### Signature


```ts
get minX(): number

set minX(n: number)
```

---

### `minY` \{#Box2d-minY-member}

<Small>Public Property</Small>

##### Signature


```ts
get minY(): number

set minY(n: number)
```

---

### `point` \{#Box2d-point-member}

<Small>Public Property</Small>

##### Signature


```ts
get point(): Vec2d

set point(val: Vec2d)
```

##### References

[Vec2d](/gen/primitives/Vec2d-class)

---

### `sides` \{#Box2d-sides-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get sides(): Array<[Vec2d, Vec2d]>
```

##### References

[Array](/gen/Array-interface), [Vec2d](/gen/primitives/Vec2d-class)

---

### `Sides` \{#Box2d-Sides-member}

<Small>Public Static Property</Small>

##### Signature


```ts
static Sides: (A: Box2d, inset?: number) => Vec2d[][]
```

##### References

[Box2d](/gen/primitives/Box2d-class), [Vec2d](/gen/primitives/Vec2d-class)

---

### `size` \{#Box2d-size-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get size(): Vec2d
```

##### References

[Vec2d](/gen/primitives/Vec2d-class)

---

### `snapPoints` \{#Box2d-snapPoints-member}

<Small>Public Readonly Property</Small>

##### Signature


```ts
get snapPoints(): Vec2d[]
```

##### References

[Vec2d](/gen/primitives/Vec2d-class)

---

### `w` \{#Box2d-w-member}

<Small>Public Property</Small>

##### Signature


```ts
w: number
```

---

### `width` \{#Box2d-width-member}

<Small>Public Property</Small>

##### Signature


```ts
get width(): number

set width(n: number)
```

---

### `x` \{#Box2d-x-member}

<Small>Public Property</Small>

##### Signature


```ts
x: number
```

---

### `y` \{#Box2d-y-member}

<Small>Public Property</Small>

##### Signature


```ts
y: number
```

---

## Methods

### `clone()` \{#Box2d-clone-member-1}

<Small>Public Method</Small>

##### Parameters


None

##### Returns


```ts
Box2d
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `collides()` \{#Box2d-collides-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`B`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `contains()` \{#Box2d-contains-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`B`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `containsPoint()` \{#Box2d-containsPoint-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`V`

</ParametersTableName>
<ParametersTableDescription>

```ts
number | VecLike
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`y`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
boolean
```

##### References

[VecLike](/gen/primitives/VecLike-type)

---

### `equals()` \{#Box2d-equals-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`other`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d | Box2dModel
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class), [Box2dModel](/gen/tlschema/Box2dModel-interface)

---

### `Equals()` \{#Box2d-Equals-member-1}

<Small>Public Static Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`a`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d | Box2dModel
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`b`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d | Box2dModel
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class), [Box2dModel](/gen/tlschema/Box2dModel-interface)

---

### `expand()` \{#Box2d-expand-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`A`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `Expand()` \{#Box2d-Expand-member-1}

<Small>Public Static Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`A`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`B`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
Box2d
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `expandBy()` \{#Box2d-expandBy-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`n`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

---

### `ExpandBy()` \{#Box2d-ExpandBy-member-1}

<Small>Public Static Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`A`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`n`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
Box2d
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `From()` \{#Box2d-From-member-1}

<Small>Public Static Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`box`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2dModel
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
Box2d
```

##### References

[Box2dModel](/gen/tlschema/Box2dModel-interface), [Box2d](/gen/primitives/Box2d-class)

---

### `FromPoints()` \{#Box2d-FromPoints-member-1}

<Small>Public Static Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`points`

</ParametersTableName>
<ParametersTableDescription>

```ts
VecLike[]
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
Box2d
```

##### References

[VecLike](/gen/primitives/VecLike-type), [Box2d](/gen/primitives/Box2d-class)

---

### `getHandlePoint()` \{#Box2d-getHandlePoint-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`handle`

</ParametersTableName>
<ParametersTableDescription>

```ts
SelectionCorner | SelectionEdge
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
Vec2d
```

##### References

[SelectionCorner](/gen/primitives/SelectionCorner-type), [SelectionEdge](/gen/primitives/SelectionEdge-type), [Vec2d](/gen/primitives/Vec2d-class)

---

### `includes()` \{#Box2d-includes-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`B`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
boolean
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `resize()` \{#Box2d-resize-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`handle`

</ParametersTableName>
<ParametersTableDescription>

```ts
SelectionCorner | SelectionEdge | string
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`dx`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`dy`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
void
```

##### References

[SelectionCorner](/gen/primitives/SelectionCorner-type), [SelectionEdge](/gen/primitives/SelectionEdge-type)

---

### `Resize()` \{#Box2d-Resize-member-1}

<Small>Public Static Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`box`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`handle`

</ParametersTableName>
<ParametersTableDescription>

```ts
SelectionCorner | SelectionEdge | string
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`dx`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`dy`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`isAspectRatioLocked`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
boolean
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
{
  box: Box2d
  scaleX: number
  scaleY: number
}
```

##### References

[Box2d](/gen/primitives/Box2d-class), [SelectionCorner](/gen/primitives/SelectionCorner-type), [SelectionEdge](/gen/primitives/SelectionEdge-type)

---

### `scale()` \{#Box2d-scale-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`n`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

---

### `set()` \{#Box2d-set-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`x`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`y`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`w`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
<ParametersTableRow>
<ParametersTableName>

`h`

 <Small>(optional)</Small>

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

---

### `setTo()` \{#Box2d-setTo-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`B`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2d
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

##### References

[Box2d](/gen/primitives/Box2d-class)

---

### `snapToGrid()` \{#Box2d-snapToGrid-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`size`

</ParametersTableName>
<ParametersTableDescription>

```ts
number
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
void
```

---

### `toFixed()` \{#Box2d-toFixed-member-1}

<Small>Public Method</Small>

##### Parameters


None

##### Returns


```ts
this
```

---

### `toJson()` \{#Box2d-toJson-member-1}

<Small>Public Method</Small>

##### Parameters


None

##### Returns


```ts
Box2dModel
```

##### References

[Box2dModel](/gen/tlschema/Box2dModel-interface)

---

### `translate()` \{#Box2d-translate-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`delta`

</ParametersTableName>
<ParametersTableDescription>

```ts
VecLike
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

##### References

[VecLike](/gen/primitives/VecLike-type)

---

### `union()` \{#Box2d-union-member-1}

<Small>Public Method</Small>

##### Parameters


<ParametersTable>

<ParametersTableRow>
<ParametersTableName>

`box`

</ParametersTableName>
<ParametersTableDescription>

```ts
Box2dModel
```



</ParametersTableDescription>
</ParametersTableRow>
</ParametersTable>

##### Returns


```ts
this
```

##### References

[Box2dModel](/gen/tlschema/Box2dModel-interface)

---