23 lines
455 B
TypeScript
23 lines
455 B
TypeScript
|
class Point {
|
||
|
|
|
||
|
|
constructor(public x: number, public y: number) {
|
||
|
|
|
||
|
|
}
|
||
|
|
getDist() {
|
||
|
|
return Math.sqrt(this.x*this.x + this.y*this.y);
|
||
|
|
}
|
||
|
|
static origin = new Point(0,0);
|
||
|
|
}
|
||
|
|
|
||
|
|
class Point3D extends Point {
|
||
|
|
|
||
|
|
constructor(x: number, y: number, public z: number, m:number) {
|
||
|
|
super(x, y);
|
||
|
|
}
|
||
|
|
|
||
|
|
getDist() {
|
||
|
|
return Math.sqrt(this.x*this.x + this.y*this.y + this.z*this.m);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|