Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 15x 15x 15x 15x 15x 15x 15x 15x 15x 15x 1x 1x 3x 3x 3x 1x 1x 2x 2x 2x 1x 1x 91x 91x 91x 1x | /*----------------------------------------------------------------------+
| Title: ParallelPlane.ts |
| A port of the software Geometry Applet by |
| Author: David E. Joyce |
| Department of Mathematics and Computer Science |
| Clark University |
| Worcester, MA 01610-1477 |
| U.S.A. |
| |
| http://aleph0.clarku.edu/~djoyce/home.html |
| djoyce@clarku.edu |
| |
| Date: February, 1996. Version 2.0.0 May, 1997. |
| TypeScript Port: 2026, Nelson Brown, brownnrl@gmail.com |
| https://www.nelsonbrown.net/ |
+----------------------------------------------------------------------*/
import {PlaneElement} from "./PlaneElement";
import {PointElement} from "../point/PointElement";
export class ParallelPlane extends PlaneElement {
/*--------------------------------------------------------------------+
| this is the plane parallel to the plane P passing through the |
| point A |
+--------------------------------------------------------------------*/
private _P: PlaneElement;
constructor(P: PlaneElement, A: PointElement) {
super();
this.dimension = 2;
this._P = P;
this.A = A;
this.B = new PointElement();
this.C = new PointElement();
this.S = P.S;
this.T = P.T;
this.U = P.U;
}
public translate(dx: number, dy: number) {
this.B.translate(dx, dy);
this.C.translate(dx, dy);
}
public rotate(pivot: PointElement, ac: number, as: number) {
this.B.rotate(pivot, ac, as);
this.C.rotate(pivot, ac, as);
}
public update() {
this.B.to(this._P.B).minus(this._P.A).plus(this.A);
this.C.to(this._P.C).minus(this._P.A).plus(this.A);
}
}
|