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