Class CrossSectionTransforms

在 XY 平面内移动、旋转、缩放、镜像和扭曲 Manifold 横截面。角度以度为单位，旋转绕原点进行；每个方法都返回新横截面。

Index

Constructors

constructor

new CrossSectionTransforms(): CrossSectionTransforms
Returns CrossSectionTransforms

matrix

transform

transform(
inputs: TransformCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
对横截面应用 3x3 矩阵，用于平面内移动、转动、缩放和错切的任意组合。
Parameters
- inputs: TransformCrossSectionDto<CrossSectionPointer>
  横截面和 3x3 矩阵
Returns Promise<CrossSectionPointer>
变换后的横截面
Example
```
const moved = await bitbybit.manifold.crossSection.transforms.transform({ crossSection: square, transform: matrix });
```
- Defined in bitbybit-docs.d.ts:38080

transforms

scale2D

scale2D(
inputs: Scale2DCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
绕原点按沿 X 和 Y 各自的系数缩放横截面。
Parameters
- inputs: Scale2DCrossSectionDto<CrossSectionPointer>
  横截面和两个系数
Returns Promise<CrossSectionPointer>
缩放后的横截面
Example
```
const stretched = await bitbybit.manifold.crossSection.transforms.scale2D({ crossSection: square, vector: [2, 1] });
```
- Defined in bitbybit-docs.d.ts:38000

scale

scale(
inputs: ScaleCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
按系数绕原点均匀缩放横截面。
Parameters
- inputs: ScaleCrossSectionDto<CrossSectionPointer>
  横截面和系数
Returns Promise<CrossSectionPointer>
缩放后的横截面
Example
```
const bigger = await bitbybit.manifold.crossSection.transforms.scale({ crossSection: square, factor: 2 });
```
- Defined in bitbybit-docs.d.ts:38013

mirror

mirror(
inputs: MirrorCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
将横截面关于经过原点且与给定法线垂直的直线镜像。
Parameters
- inputs: MirrorCrossSectionDto<CrossSectionPointer>
  横截面和镜像线的法线
Returns Promise<CrossSectionPointer>
镜像后的横截面
Example
```
const other = await bitbybit.manifold.crossSection.transforms.mirror({ crossSection: outline, normal: [1, 0] });
```
- Defined in bitbybit-docs.d.ts:38027

translate

translate(
inputs: TranslateCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
按 2D 向量移动横截面，以模型单位表示。
Parameters
- inputs: TranslateCrossSectionDto<CrossSectionPointer>
  横截面和移动它的向量
Returns Promise<CrossSectionPointer>
移动后的横截面
Example
```
const moved = await bitbybit.manifold.crossSection.transforms.translate({ crossSection: square, vector: [10, 0] });
```
- Defined in bitbybit-docs.d.ts:38040

translateXY

translateXY(
inputs: TranslateXYCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
按沿 X 和 Y 各自的距离移动横截面，以模型单位表示。
Parameters
- inputs: TranslateXYCrossSectionDto<CrossSectionPointer>
  横截面和两个距离
Returns Promise<CrossSectionPointer>
移动后的横截面
Example
```
const moved = await bitbybit.manifold.crossSection.transforms.translateXY({ crossSection: square, x: 10, y: 5 });
```
- Defined in bitbybit-docs.d.ts:38053

rotate

rotate(
inputs: RotateCrossSectionDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
使横截面绕原点逆时针旋转一个角度，以度为单位。
Parameters
- inputs: RotateCrossSectionDto<CrossSectionPointer>
  横截面和以度为单位的角度
Returns Promise<CrossSectionPointer>
旋转后的横截面
Example
```
const turned = await bitbybit.manifold.crossSection.transforms.rotate({ crossSection: square, degrees: 45 });
```
- Defined in bitbybit-docs.d.ts:38066

warp

warp(
inputs: CrossSectionWarpDto<CrossSectionPointer>,
): Promise<CrossSectionPointer>
用你自己的函数移动横截面的每个点，该函数就地更改点，然后融合结果以清理移动引入的任何交叉。
Parameters
- inputs: CrossSectionWarpDto<CrossSectionPointer>
  横截面和移动每个点的函数
Returns Promise<CrossSectionPointer>
扭曲后的横截面
Example
```
const wavy = await bitbybit.manifold.crossSection.transforms.warp({
    crossSection: square,
    warpFunc: (vert) => { vert[1] += Math.sin(vert[0]) * 0.5; },
});
```
- Defined in bitbybit-docs.d.ts:38097

Class CrossSectionTransforms

Index

Constructors

matrix

transforms

Constructors

constructor

Returns CrossSectionTransforms

matrix

transform

Parameters

Returns Promise<CrossSectionPointer>

Example

transforms

scale2D

Parameters

Returns Promise<CrossSectionPointer>

Example

scale

Parameters

Returns Promise<CrossSectionPointer>

Example

mirror

Parameters

Returns Promise<CrossSectionPointer>

Example

translate

Parameters

Returns Promise<CrossSectionPointer>

Example

translateXY

Parameters

Returns Promise<CrossSectionPointer>

Example

rotate

Parameters

Returns Promise<CrossSectionPointer>

Example

warp

Parameters

Returns Promise<CrossSectionPointer>

Example

Settings

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