Vector3 三维向量

# Vector3 三维向量

Struct

Representation of 3D vectors and points.

表示 3D 的向量和点。

This structure is used throughout Unity to pass 3D positions and directions
around. It also contains functions for doing common vector operations.

这个结构用于在 Unity 传递 3D 位置和方向。它也包含做些普通向量运算的函数。

Besides the functions listed below, other classes can be used to manipulate
vectors and points as well. For example the [Quaternion](../Quaternion/Quaternion.html) and the [Matrix4x4](../Matrix4x4/Matrix4x4.html) classes are useful for rotating
or transforming vectors and points.

除了下面列出的函数，其他类用于处理向量和点。例如 [Quaternion](../Quaternion/Quaternion.html) 和 [Matrix4x4](../Matrix4x4/Matrix4x4.html) 类用于旋转或变换向量和点。

### Variables**变量**

* [x](Vector3.x.html)
  X component of the vector.
  向量的 X 组件。

* [y](Vector3.y.html)
  Y component of the vector.
  向量的 Y 组件。
* [z](Vector3.z.html)
  Z component of the vector.
  向量的 Z 组件。
* [this [int
  index]](Vector3.Index_operator.html)
  Access the x, y, z components using [0], [1], [2]
  respectively.
  使用[0], [1], [2]分别访问组件 x, y, z 组件。简单来说就是用索引号代替 x, y, z 组件。
* [normalized](Vector3.normalized.html)
  Returns this vector with a magnitude of 1 (Read
  Only).
  返回向量的长度为 1（只读）。
* [magnitude](Vector3.magnitude.html)
  Returns the length of this vector (Read
  Only).
  返回向量的长度（只读）。
* [sqrMagnitude](Vector3.sqrMagnitude.html)
  Returns the squared length of this vector (Read
  Only).
  返回这个向量的长度的平方（只读）。

### Constructors**构造器**

* [Vector3](Vector3.Vector3.html)
  Creates a new vector with given x, y, z
  components.
  创建一个新的具有给定 x, y, z 组件的向量。

### Functions**函数**

* [Scale](Vector3.Scale.html)
  Multiplies every component of this vector by the same
  component of scale.
  由缩放的相同的组件对应乘以这个矢量的每个组件。
* [Normalize](Vector3.Normalize.html)
  Makes this vector have a magnitude of 1.
  使向量的长度为 1。
* [ToString](Vector3.ToString.html)
  Returns a nicely formatted string for this
  vector.
  返回此向量格式化的字符串。

### Class Variables**类变量**

* [zero](Vector3.zero.html)
  Shorthand for writing [Vector3](Vector3.html)(0,
  0, 0)
  写 [Vector3](Vector3.html)(0, 0, 0)的简码。
* [one](Vector3.one.html)
  Shorthand for writing [Vector3](Vector3.html)(1,
  1, 1)
  写 [Vector3](Vector3.html)(1, 1, 1)的简码。
* [forward](Vector3.forward.html)
  Shorthand for writing [Vector3](Vector3.html)(0,
  0, 1)
  写 [Vector3](Vector3.html)(0, 0, 1)的简码,也就是向 z 轴。
* [up](Vector3.up.html)
  Shorthand for writing [Vector3](Vector3.html)(0,
  1, 0)
  写 [Vector3](Vector3.html)(0, 1, 0)的简码,也就是向 y 轴。
* [right](Vector3.right.html)
  Shorthand for writing [Vector3](Vector3.html)(1,
  0, 0)
  写 [Vector3](Vector3.html)(1, 0, 0)的简码,也就是向 x 轴。

### Class Functions**类函数**

* [Lerp](Vector3.Lerp.html)
  Linearly interpolates between two vectors.
  两个向量之间的线性插值。
* [Slerp](Vector3.Slerp.html)
  Spherically interpolates between two
  vectors.
  球形插值在两个向量之间。
* [OrthoNormalize](Vector3.OrthoNormalize.html)
  Makes vectors normalized and orthogonal to each
  other.
  使向量规范化并且彼此相互垂直。
* [MoveTowards](Vector3.MoveTowards.html)
  Moves a point current towards target.
  当前的地点移向目标。
* [RotateTowards](Vector3.RotateTowards.html)
  Rotates a vector current towards target.
  当前的向量转向目标。
* [SmoothDamp](Vector3.SmoothDamp.html)
  Gradually changes a vector towards a desired goal over
  time.
  随着时间的推移，逐渐改变一个向量朝向预期的目标。
* [Scale](Vector3.Scale.html)
  Multiplies two vectors component-wise.
  两个矢量组件对应相乘。
* [Cross](Vector3.Cross.html)
  Cross Product of two vectors.
  两个向量的交叉乘积。返回 lhs x rhs
* [Reflect](Vector3.Reflect.html)
  Reflects the vector along the normal.
  沿着法线反射向量。
* [Dot](Vector3.Dot.html)
  Dot Product of two vectors.
  两个向量的点乘积。
* [Project](Vector3.Project.html)
  Projects a vector onto another vector.
  投影一个向量到另一个向量。
* [Angle](Vector3.Angle.html)
  Returns the angle in degrees between from and
  to.
  由 from 和 to 两者返回一个角度。
* [Distance](Vector3.Distance.html)
  Returns the distance between a and b.
  返回 a 和 b 之间的距离。
* [ClampMagnitude](Vector3.ClampMagnitude.html)
  Returns a copy of vector with its magnitude clamped to
  maxLength.
  返回向量的长度，最大不超过 maxLength 所指示的长度。
* [Min](Vector3.Min.html)
  Returns a vector that is made from the smallest components
  of two vectors.
  返回一个由两个向量的最小组件组成的向量。
* [Max](Vector3.Max.html)
  Returns a vector that is made from the largest components
  of two vectors.
  返回一个由两个向量的最大组件组成的向量。
* [operator +](Vector3.operator_add.html)
  Adds two vectors.
  两个向量相加。
* [operator -](Vector3.operator_subtract.html)
  Subtracts one vector from another.
  一个向量减另一个向量。
* [operator *](Vector3.operator_multiply.html)
  Multiplies a vector by a number.
  由一个数乘以一个向量。
* [operator /](Vector3.operator_divide.html)
  Divides a vector by a number.
  由一个数除一个向量。也就是 a/b。
* [operator ==](Vector3.operator_eq.html)
  Returns true if the vectors are equal.
  如果两个向量相等，返回真。
* [operator !=](Vector3.operator_ne.html)
  Returns true if vectors different.
  如果向量不同返回真。