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| 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 | 1x 1839379x 1839379x 11135x 59x 120407x 28x 28x | /**
* @author Timo Lehnertz
*/
/**
* Immutable Vec2 class
*/
export class Vec2 {
public readonly x: number;
public readonly y: number;
public constructor(x: number, y: number) {
this.x = x;
this.y = y;
}
public equals(other: Vec2): boolean {
return this.x === other.x && this.y === other.y;
}
public add(b: Vec2): Vec2 {
return new Vec2(this.x + b.x, this.y + b.y);
}
public subtract(b: Vec2): Vec2 {
return new Vec2(this.x - b.x, this.y - b.y);
}
public multiply(scalar: number): Vec2 {
return new Vec2(this.x * scalar, this.y * scalar);
}
public distanceFrom(other: Vec2): number {
return this.subtract(other).length;
}
public manhattanDistanceFrom(other: Vec2): number {
const diff = this.subtract(other);
return Math.abs(diff.x) + Math.abs(diff.y);
}
public get length(): number {
return Math.sqrt(this.x * this.x + this.y * this.y);
}
public setX(x: number): Vec2 {
return new Vec2(x, this.y);
}
public setY(y: number): Vec2 {
return new Vec2(this.x, y);
}
}
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