utils修改

This commit is contained in:
Yuan 2023-08-01 15:45:19 +08:00
parent 3a87487697
commit 3cb91d10ad

View File

@ -695,16 +695,14 @@ export function splitLineEvenly(
});
}
/** 计算线的平行线 */
export function getParallelOfPolyline(
/** 计算线的平行线 */
export function getParallelOfLine(
points: IPointData[],
direction: 'L' | 'R',
offset: number
) {
if (points.length < 2) throw Error('折线点不能少于2个');
if (points.length !== 2) throw Error('直线点的个数需为2');
const normalVecs = points.map((p, i) => {
if (points[i - 1] && points[i + 1]) {
} else {
let point;
if (points[i + 1]) {
point = new Vector2([
@ -721,7 +719,6 @@ export function getParallelOfPolyline(
(direction === 'L' ? Math.PI : -Math.PI) / 2
);
return rotate.apply(point);
}
});
return points.map((p, i) => ({
x: p.x + offset * normalVecs[i]?.x,