Namespace: vec2
Table of contents
Type aliases
Functions
- add
- angle
- ceil
- clone
- copy
- create
- cross
- distance
- divide
- dot
- equals
- exactEquals
- floor
- forEach
- fromValues
- inverse
- length
- lerp
- max
- min
- multiply
- negate
- normalize
- random
- rotate
- round
- scale
- scaleAndAdd
- set
- squaredDistance
- squaredLength
- str
- subtract
- transformMat2
- transformMat2d
- transformMat3
- transformMat4
- zero
Type aliases
valueType
Ƭ valueType: vec2type
Functions
add
▸ add(out: vec2type, a: vec2type, b: vec2type): vec2type
Adds two vec2's
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
angle
▸ angle(a: vec2type, b: vec2type): number
Get the angle between two 2D vectors
Parameters
Returns: number
The angle in radians
ceil
▸ ceil(out: vec2type, a: vec2type): vec2type
Math.ceil the components of a vec2
Parameters
Returns: vec2type
out
clone
▸ clone(a: vec2type): vec2type
Creates a new vec2 initialized with values from an existing vector
Parameters
| Name | Type | Description |
|---|---|---|
a |
vec2type | vector to clone |
Returns: vec2type
a new 2D vector
copy
▸ copy(out: vec2type, a: vec2type): vec2type
Copy the values from one vec2 to another
Parameters
Returns: vec2type
out
create
▸ create(): vec2type
Creates a new, empty vec2
Returns: vec2type
a new 2D vector
cross
▸ cross(out: vec2type, a: vec2type, b: vec2type): vec2type
Computes the cross product of two vec2's Note that the cross product must by definition produce a 3D vector
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
distance
▸ distance(a: vec2type, b: vec2type): number
Calculates the euclidian distance between two vec2's
Parameters
Returns: number
distance between a and b
divide
▸ divide(out: vec2type, a: vec2type, b: vec2type): vec2type
Divides two vec2's
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
dot
▸ dot(a: vec2type, b: vec2type): number
Calculates the dot product of two vec2's
Parameters
Returns: number
dot product of a and b
equals
▸ equals(a: vec2type, b: vec2type): boolean
Returns whether or not the vectors have approximately the same elements in the same position.
Parameters
Returns: boolean
True if the vectors are equal, false otherwise.
exactEquals
▸ exactEquals(a: vec2type, b: vec2type): boolean
Returns whether or not the vectors exactly have the same elements in the same position (when compared with ===)
Parameters
Returns: boolean
True if the vectors are equal, false otherwise.
floor
▸ floor(out: vec2type, a: vec2type): vec2type
Math.floor the components of a vec2
Parameters
Returns: vec2type
out
forEach
▸ Const forEach(a: any, stride: any, offset: any, count: any, fn: any, arg: any): any
Perform some operation over an array of vec2s.
function
Parameters
| Name | Type | Description |
|---|---|---|
a |
any | the array of vectors to iterate over |
stride |
any | Number of elements between the start of each vec2. If 0 assumes tightly packed |
offset |
any | Number of elements to skip at the beginning of the array |
count |
any | Number of vec2s to iterate over. If 0 iterates over entire array |
fn |
any | Function to call for each vector in the array |
arg |
any | - |
Returns: any
a
fromValues
▸ fromValues(x: number, y: number): vec2type
Creates a new vec2 initialized with the given values
Parameters
| Name | Type | Description |
|---|---|---|
x |
number | X component |
y |
number | Y component |
Returns: vec2type
a new 2D vector
inverse
▸ inverse(out: vec2type, a: vec2type): vec2type
Returns the inverse of the components of a vec2
Parameters
Returns: vec2type
out
length
▸ length(a: vec2type): number
Calculates the length of a vec2
Parameters
| Name | Type | Description |
|---|---|---|
a |
vec2type | vector to calculate length of |
Returns: number
length of a
lerp
▸ lerp(out: vec2type, a: vec2type, b: vec2type, t: number): vec2type
Performs a linear interpolation between two vec2's
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
t |
number | interpolation amount, in the range [0-1], between the two inputs |
Returns: vec2type
out
max
▸ max(out: vec2type, a: vec2type, b: vec2type): vec2type
Returns the maximum of two vec2's
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
min
▸ min(out: vec2type, a: vec2type, b: vec2type): vec2type
Returns the minimum of two vec2's
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
multiply
▸ multiply(out: vec2type, a: vec2type, b: vec2type): vec2type
Multiplies two vec2's
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
negate
▸ negate(out: vec2type, a: vec2type): vec2type
Negates the components of a vec2
Parameters
Returns: vec2type
out
normalize
▸ normalize(out: vec2type, a: vec2type): vec2type
Normalize a vec2
Parameters
Returns: vec2type
out
random
▸ random(out: vec2type, scale: number): vec2type
Generates a random vector with the given scale
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
scale |
number | - |
Returns: vec2type
out
rotate
▸ rotate(out: vec2type, a: vec2type, b: vec2type, rad: number): vec2type
Rotate a 2D vector
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | The receiving vec2 |
a |
vec2type | The vec2 point to rotate |
b |
vec2type | The origin of the rotation |
rad |
number | The angle of rotation in radians |
Returns: vec2type
out
round
▸ round(out: vec2type, a: vec2type): vec2type
Math.round the components of a vec2
Parameters
Returns: vec2type
out
scale
▸ scale(out: vec2type, a: vec2type, b: number): vec2type
Scales a vec2 by a scalar number
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the vector to scale |
b |
number | amount to scale the vector by |
Returns: vec2type
out
scaleAndAdd
▸ scaleAndAdd(out: vec2type, a: vec2type, b: vec2type, scale: number): vec2type
Adds two vec2's after scaling the second operand by a scalar value
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
scale |
number | the amount to scale b by before adding |
Returns: vec2type
out
set
▸ set(out: vec2type, x: number, y: number): vec2type
Set the components of a vec2 to the given values
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
x |
number | X component |
y |
number | Y component |
Returns: vec2type
out
squaredDistance
▸ squaredDistance(a: vec2type, b: vec2type): number
Calculates the squared euclidian distance between two vec2's
Parameters
Returns: number
squared distance between a and b
squaredLength
▸ squaredLength(a: vec2type): number
Calculates the squared length of a vec2
Parameters
| Name | Type | Description |
|---|---|---|
a |
vec2type | vector to calculate squared length of |
Returns: number
squared length of a
str
▸ str(a: vec2type): string
Returns a string representation of a vector
Parameters
| Name | Type | Description |
|---|---|---|
a |
vec2type | vector to represent as a string |
Returns: string
string representation of the vector
subtract
▸ subtract(out: vec2type, a: vec2type, b: vec2type): vec2type
Subtracts vector b from vector a
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the first operand |
b |
vec2type | the second operand |
Returns: vec2type
out
transformMat2
▸ transformMat2(out: vec2type, a: vec2type, m: vec2type): vec2type
Transforms the vec2 with a mat2
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the vector to transform |
m |
vec2type | matrix to transform with |
Returns: vec2type
out
transformMat2d
▸ transformMat2d(out: vec2type, a: vec2type, m: vec2type): vec2type
Transforms the vec2 with a mat2d
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the vector to transform |
m |
vec2type | matrix to transform with |
Returns: vec2type
out
transformMat3
▸ transformMat3(out: vec2type, a: vec2type, m: vec2type): vec2type
Transforms the vec2 with a mat3 3rd vector component is implicitly '1'
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the vector to transform |
m |
vec2type | matrix to transform with |
Returns: vec2type
out
transformMat4
▸ transformMat4(out: vec2type, a: vec2type, m: vec2type): vec2type
Transforms the vec2 with a mat4 3rd vector component is implicitly '0' 4th vector component is implicitly '1'
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
a |
vec2type | the vector to transform |
m |
vec2type | matrix to transform with |
Returns: vec2type
out
zero
▸ zero(out: vec2type): vec2type
Set the components of a vec2 to zero
Parameters
| Name | Type | Description |
|---|---|---|
out |
vec2type | the receiving vector |
Returns: vec2type
out