Class Ray

constructor

• new Ray(params?: RayParameters): Ray

  Parameters

  • params: RayParameters = {}

    params.origin: 原点

    • params.direction: 方向

  Returns Ray

className

isRay

direction

• get direction(): Vector3

  方向

  Returns Vector3

• set direction(value: Vector3): void

  方向

  Parameters

  • value: Vector3

  Returns void

origin

• get origin(): Vector3

  原点

  Returns Vector3

• set origin(value: Vector3): void

  原点

  Parameters

  • value: Vector3

  Returns void

clone

• clone(): Ray

  clone

  Returns Ray

copy

• copy(other: Ray): this

  copy

  Parameters

  • other: Ray

  Returns this

distance

• distance(point: Vector3): number

  distance

  Parameters

  • point: Vector3

  Returns number

fromCamera

• fromCamera(
      camera: RayCamera,
      x: number,
      y: number,
      width: number,
      height: number,
  ): void

  从摄像机设置

  Parameters

  • camera: RayCamera
  • x: number

    屏幕x

  • y: number

    屏幕y

  • width: number

    屏幕宽

  • height: number

    屏幕高

  Returns void

intersectsBox

• intersectsBox(aabb: AxisAlignedBox): Vector3 | null

  intersectsBox

  Parameters

  • aabb: AxisAlignedBox

    [[min.x, min.y, min.z], [max.x, max.y, max.z]]

  Returns Vector3 | null

  碰撞点，如果没有碰撞返回 null

intersectsPlane

• intersectsPlane(normal: ArrayLike<number>, distance: number): Vector3 | null

  intersectsPlane

  Parameters

  • normal: ArrayLike<number>

    [x, y, z]

  • distance: number

  Returns Vector3 | null

  碰撞点，如果没有碰撞返回 null

intersectsSphere

• intersectsSphere(center: ArrayLike<number>, radius: number): Vector3 | null

  intersectsSphere

  Parameters

  • center: ArrayLike<number>

    [x, y, z]

  • radius: number

  Returns Vector3 | null

  碰撞点，如果没有碰撞返回 null

intersectsTriangle

• intersectsTriangle(triangle: Triangle): Vector3 | null

  intersectsTriangle

  Parameters

  • triangle: Triangle

    [[a.x, a.y, a.z], [b.x, b.y, b.z],[c.x, c.y, c.z]]

  Returns Vector3 | null

  碰撞点，如果没有碰撞返回 null

intersectsTriangleCell

• intersectsTriangleCell(
      cell: readonly [number, number, number],
      positions: readonly ArrayLike<number>[],
  ): Vector3 | null

  intersectsTriangleCell

  Parameters

  • cell: readonly [number, number, number]
  • positions: readonly ArrayLike<number>[]

  Returns Vector3 | null

  碰撞点，如果没有碰撞返回 null

set

• set(origin: Vector3, direction: Vector3): this

  set

  Parameters

  • origin: Vector3
  • direction: Vector3

  Returns this

  this

sortPoints

• sortPoints(points: (object | Vector3)[], pointName?: PropertyKey): void

  排序碰撞点

  Parameters

  • points: (object | Vector3)[]
  • OptionalpointName: PropertyKey

  Returns void

squaredDistance

• squaredDistance(point: Vector3): number

  squaredDistance

  Parameters

  • point: Vector3

  Returns number

transformMat4

• transformMat4(mat4: Matrix4): void

  Transforms the ray with a mat4

  Parameters

  • mat4: Matrix4

  Returns void