Class Vector2Ext

Hierarchy

Vector2Ext

Index

Methods

Methods

Static cross

cross(u: Vector2, v: Vector2): number

- Defined in src/Utils/Vector2Ext.ts:22
计算二维伪叉乘点(Perp(u)， v)

Parameters
- u: Vector2
- v: Vector2
Returns number

Static halfVector

halfVector(): Vector2

- Defined in src/Utils/Vector2Ext.ts:13
Returns Vector2

Static isTriangleCCW

isTriangleCCW(a: Vector2, center: Vector2, c: Vector2): boolean

- Defined in src/Utils/Vector2Ext.ts:9
检查三角形是CCW还是CW

Parameters
- a: Vector2
- center: Vector2
- c: Vector2
Returns boolean

Static normalize

normalize(vec: Vector2): void

- Defined in src/Utils/Vector2Ext.ts:40
Vector2的临时解决方案标准化把向量弄乱了

Parameters
- vec: Vector2
Returns void

Static perpendicular

perpendicular(first: Vector2, second: Vector2): Vector2

- Defined in src/Utils/Vector2Ext.ts:31
返回与传入向量垂直的向量

Parameters
- first: Vector2
- second: Vector2
Returns Vector2

Static round

round(vec: Vector2): Vector2

- Defined in src/Utils/Vector2Ext.ts:86
Parameters
- vec: Vector2
Returns Vector2

Static transform

transform(sourceArray: Vector2[], matrix: Matrix2D, destinationArray: Vector2[]): void

- Defined in src/Utils/Vector2Ext.ts:82
通过指定的矩阵对Vector2的数组中的所有向量应用变换，并将结果放到另一个数组中。

Parameters
- sourceArray: Vector2[]
- matrix: Matrix2D
- destinationArray: Vector2[]
Returns void

Static transformA

transformA(sourceArray: Vector2[], sourceIndex: number, matrix: Matrix2D, destinationArray: Vector2[], destinationIndex: number, length: number): void

- Defined in src/Utils/Vector2Ext.ts:58
通过指定的矩阵对Vector2的数组中的向量应用变换，并将结果放置在另一个数组中。

Parameters
- sourceArray: Vector2[]
- sourceIndex: number
- matrix: Matrix2D
- destinationArray: Vector2[]
- destinationIndex: number
- length: number
Returns void

Static transformR

transformR(position: Vector2, matrix: Matrix2D, result: Vector2): void

- Defined in src/Utils/Vector2Ext.ts:69
Parameters
- position: Vector2
- matrix: Matrix2D
- result: Vector2
Returns void

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