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107 lines
1.3 KiB
Text
107 lines
1.3 KiB
Text
---
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title: intersectLineSegmentLineSegment
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status: published
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category: primitives
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group: Function
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author: api
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date: 06/23/2023
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order: 41
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---<Small>Public Function</Small>
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Find the intersection between a line segment and a line segment.
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##### Parameters
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<ParametersTable>
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<ParametersTableRow>
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<ParametersTableName>
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`a1`
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</ParametersTableName>
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<ParametersTableDescription>
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```ts
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VecLike
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```
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The first segment's first point.
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</ParametersTableDescription>
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</ParametersTableRow>
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<ParametersTableRow>
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<ParametersTableName>
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`a2`
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</ParametersTableName>
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<ParametersTableDescription>
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```ts
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VecLike
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```
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The first segment's second point.
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</ParametersTableDescription>
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</ParametersTableRow>
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<ParametersTableRow>
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<ParametersTableName>
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`b1`
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</ParametersTableName>
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<ParametersTableDescription>
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```ts
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VecLike
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```
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The second segment's first point.
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</ParametersTableDescription>
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</ParametersTableRow>
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<ParametersTableRow>
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<ParametersTableName>
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`b2`
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</ParametersTableName>
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<ParametersTableDescription>
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```ts
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VecLike
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```
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The second segment's second point.
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</ParametersTableDescription>
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</ParametersTableRow>
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</ParametersTable>
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##### Returns
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```ts
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null | Vec2d
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```
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##### References
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[VecLike](/gen/primitives/VecLike-type), [Vec2d](/gen/primitives/Vec2d-class)
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