#Class: Vector2Utils

Utilities operating on Vector2 objects. All methods are static and do not modify the input objects.

操作 Vector2 对象的工具类。所有方法都是静态的，并且不会修改输入对象。

#Constructors

#Constructor

new Vector2Utils(): Vector2Utils

#Returns

Vector2Utils

#Methods

#add()

static add(v1, v2): Vector2

add

将两个向量相加，生成一个新向量。

Add two vectors to produce a new vector

#Parameters

#v1

Vector2

#v2

Vector2

#Returns

Vector2

---

#clamp()

static clamp(v, limits?): Vector2

clamp

将向量的各分量限制在指定的上下限范围内，生成一个新向量。

Clamps the components of a vector to limits to produce a new vector

#Parameters

#v

Vector2

#limits?

#max?

any

#min?

any

#Returns

Vector2

---

#distance()

static distance(a, b): number

distance

计算两个向量之间的距离。

Calculate the distance between two vectors

#Parameters

#a

Vector2

#b

Vector2

#Returns

number

---

#dot()

static dot(a, b): number

dot

计算两个向量的点积。

Calculate the dot product of two vectors

#Parameters

#a

Vector2

#b

Vector2

#Returns

number

---

#equals()

static equals(v1, v2): boolean

equals

判断两个向量是否相等。

Check the equality of two vectors

#Parameters

#v1

Vector2

#v2

Vector2

#Returns

boolean

---

#floor()

static floor(v): Vector2

floor

将向量的各分量向下取整，生成一个新向量。

Floor the components of a vector to produce a new vector

#Parameters

#v

Vector2

#Returns

Vector2

---

#fromString()

static fromString(str, delimiter?): any

fromString

从 Vector2Utils.toString 生成的字符串形式中解析出一个 Vector2。 如果任何数值不是数字或格式无效，则返回 undefined。

Gets a Vector2 from the string representation produced by Vector2Utils.toString. If any numeric value is not a number or the format is invalid, undefined is returned.

#Parameters

#str

string

要解析的字符串

The string to parse

#delimiter?

string

用于分隔各分量的分隔符。默认与 Vector2Utils.toString 的默认值相同。

The delimiter used to separate the components. Defaults to the same as the default for Vector2Utils.toString

#Returns

any

---

#lerp()

static lerp(a, b, t): Vector2

lerp

使用两个向量各分量的线性插值构造一个新向量。

Constructs a new vector using linear interpolation on each component from two vectors.

#Parameters

#a

Vector2

#b

Vector2

#t

number

#Returns

Vector2

---

#magnitude()

static magnitude(v): number

magnitude

向量的模长。

The magnitude of a vector

#Parameters

#v

Vector2

#Returns

number

---

#multiply()

static multiply(a, b): Vector2

multiply

对两个向量进行逐分量相乘。 注意不要与 Vector2Utils.dot（点积）混淆。

Element-wise multiplication of two vectors together. Not to be confused with Vector2Utils.dot product

#Parameters

#a

Vector2

#b

Vector2

#Returns

Vector2

---

#normalize()

static normalize(v): Vector2

normalize

将一个二维向量归一化为单位向量。

Takes a vector 3 and normalizes it to a unit vector

#Parameters

#v

Vector2

#Returns

Vector2

---

#scale()

static scale(v1, scale): Vector2

scale

将向量中的所有分量乘以一个标量值，生成一个新向量。

Multiple all entries in a vector by a single scalar value producing a new vector

#Parameters

#v1

Vector2

#scale

number

#Returns

Vector2

---

#slerp()

static slerp(a, b, t): Vector2

slerp

使用两个向量各分量的球面线性插值构造一个新向量。

Constructs a new vector using spherical linear interpolation on each component from two vectors.

#Parameters

#a

Vector2

#b

Vector2

#t

number

#Returns

Vector2

---

#subtract()

static subtract(v1, v2): Vector2

subtract

将两个向量相减，生成一个新向量 (v1-v2)。

Subtract two vectors to produce a new vector (v1-v2)

#Parameters

#v1

Vector2

#v2

Vector2

#Returns

Vector2

---

#toString()

static toString(v, options?): string

toString

创建 Vector2 的字符串表示形式。

Create a string representation of a vector2

将 Vector2 转换为字符串形式。

#Parameters

#v

Vector2

#options?

#decimals?

number

#delimiter?

string

#Returns

string