UNPKG

@three3d/tools

Version:

@three3d/tools 提供了 ThreeJS 常用的工具库

31 lines (17 loc) 1.18 kB
<!-- Do not edit this file. It is automatically generated by API Documenter. --> [Home](./index.md) &gt; [@three3d/tools](./tools.md) &gt; [discriminateRelationshipOfRay\_LineSegment](./tools.discriminaterelationshipofray_linesegment.md) ## discriminateRelationshipOfRay\_LineSegment() function 判别射线和线段的位置关系 **Signature:** ```typescript export declare function discriminateRelationshipOfRay_LineSegment<Vec extends VectorInstance>(ray: [Vec, Vec], lineSegment: [Vec, Vec]): GeometricRelationship; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | ray | \[Vec, Vec\] | 射线,第一个点射线的起点,第二个点为射线所经过的任意一点(注意,不是射线的方向) | | lineSegment | \[Vec, Vec\] | 线段 | **Returns:** [GeometricRelationship](./tools.geometricrelationship.md) ## Remarks 有以下几种情况: - Contain:包含;线段包含在射线里; - Tangency:相切;射线与线段共线,但射线并不完全包含线段; - Dissociation:相离:线段与射线没有重合的部分; - Intersect;相交;射线和线段相交;