API Docs for: 0.7.1
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Ray Class

Defined in: src/collision/Ray.js:8

有起始点和结束点的线，用来相交形状。例子参见 World.raycast

构造器

Ray

(
  • [options]
)

Defined in src/collision/Ray.js:8

参数:

  • [options] Object 可选
    • [from] Array 可选
    • [to] Array 可选
    • [checkCollisionResponse=true] Boolean 可选
    • [skipBackfaces=false] Boolean 可选
    • [collisionMask=-1] Number 可选
    • [collisionGroup=-1] Number 可选
    • [mode=Ray.ANY] Number 可选
    • [callback] Number 可选

Methods

getAABB

(
  • aabb
)

Defined in src/collision/Ray.js:211

获取射线的包围盒

参数:

intersectBodies

(
  • bodies
)

Defined in src/collision/Ray.js:125

参数:

  • bodies Array

    包含刚体对象的数组

intersectBody

(
  • body
)
private

Defined in src/collision/Ray.js:141

Shoot a ray at a body, get back information about the hit.

参数:

intersectShape

(
  • shape
  • angle
  • position
  • body
)
private

Defined in src/collision/Ray.js:186

参数:

  • shape Shape
  • angle Number
  • position Array
  • body Body

reportIntersection

(
  • fraction
  • normal
  • [faceIndex=-1]
)
Boolean private

Defined in src/collision/Ray.js:233

参数:

  • fraction Number
  • normal Array
  • [faceIndex=-1] Number 可选

Returns:

Boolean:

True if the intersections should continue

update

()

Defined in src/collision/Ray.js:111

当你改变起始或终止点时应调用

Properties

ALL

Number static

Defined in src/collision/Ray.js:104

将遍历所有的交叉点和执行每一个回调的投射模式

ANY

Number static

Defined in src/collision/Ray.js:97

将在找到第一个相交点时停止射线的投射模式

callback

Function

Defined in src/collision/Ray.js:67

当前用户提供的结果回调，如果模式为 Ray.ALL时将被使用

checkCollisionResponse

Boolean

Defined in src/collision/Ray.js:37

如果你想要让射线将.collisionResponse 标识算进刚体和形状中，将其设置为true

CLOSEST

Number static

Defined in src/collision/Ray.js:90

将通过所有的交叉点并只返回最接近的一个的投射模式

collisionGroup

Number

Defined in src/collision/Ray.js:55

Default: -1

collisionMask

Number

Defined in src/collision/Ray.js:49

Default: -1

direction

Array

Defined in src/collision/Ray.js:73

from

Array

Defined in src/collision/Ray.js:25

射线起点

length

Number

Defined in src/collision/Ray.js:79

射线长度

mode

Number

Defined in src/collision/Ray.js:61

投射模式，应为Ray.ANY, Ray.ALL or Ray.CLOSEST之一.

skipBackfaces

Boolean

Defined in src/collision/Ray.js:43

如果设置为true， 射线会跳过所有与法向量小于0的点的碰撞

to

Array

Defined in src/collision/Ray.js:31

射线终点