jsketcher/web/app/brep/geom/impl/plane.js
2017-01-06 02:34:42 -08:00

24 lines
No EOL
523 B
JavaScript

import {Surface} from '../surface'
import {AXIS} from '../../../math/l3space'
export class Plane extends Surface {
constructor(normal, w) {
super();
this.normal = normal;
this.w = w;
}
calculateBasis() {
const normal = this.normal;
let alignPlane, x, y;
if (Math.abs(normal.dot(AXIS.Y)) < 0.5) {
alignPlane = normal.cross(AXIS.Y);
} else {
alignPlane = normal.cross(AXIS.Z);
}
y = alignPlane.cross(normal);
x = y.cross(normal);
return [x, y, normal];
}
}