IDP.Math.KGeomLib.createRotateMatrix3() method
创建围绕轴旋转的变换矩阵。 旋转轴由一点定义，旋转角度由弧度值给出。
Create an transform matrix that does rotation about an axis. The axis is defined by a point. The angle is given in radians.
Signature:
createRotateMatrix3(angle: number, center: KPoint2d): KMatrix3;
Links: createRotateMatrix3(angle: number, center: KPoint2d): KMatrix3;
Parameters
Parameter | Type | Description |
|---|---|---|
angle | number | 旋转角弧度。 The angle of rotation in radians. |
center | 定义旋转轴的点。 The point to define the axis. |
Returns:
旋转变换矩阵。
The rotation transform matrix.