class Vector2 {
    constructor(x = 0, y = 0) {
        this.x = x;
        this.y = y;
    }

    static from(obj) {
        return new Vector2(obj.x, obj.y);
    }

    copy() {
        return new Vector2(this.x, this.y);
    }

    add(vector) {
        return new Vector2(this.x + vector.x, this.y + vector.y);
    }

    subtract(vector) {
        return new Vector2(this.x - vector.x, this.y - vector.y);
    }

    multiply(scalar) {
        return new Vector2(this.x * scalar, this.y * scalar);
    }

    divide(scalar) {
        return new Vector2(this.x / scalar, this.y / scalar);
    }

    magnitude() {
        return Math.sqrt(this.x * this.x + this.y * this.y);
    }

    normalize() {
        const mag = this.magnitude();
        if (mag === 0) return new Vector2(0, 0);
        return this.divide(mag);
    }

    distance(vector) {
        const dx = this.x - vector.x;
        const dy = this.y - vector.y;
        return Math.sqrt(dx * dx + dy * dy);
    }

    dot(vector) {
        return this.x * vector.x + this.y * vector.y;
    }

    angle() {
        return Math.atan2(this.y, this.x);
    }

    static fromAngle(angle, magnitude = 1) {
        return new Vector2(
            Math.cos(angle) * magnitude,
            Math.sin(angle) * magnitude
        );
    }

    lerp(target, t) {
        return new Vector2(
            this.x + (target.x - this.x) * t,
            this.y + (target.y - this.y) * t
        );
    }

    limit(maxMagnitude) {
        const mag = this.magnitude();
        if (mag > maxMagnitude) {
            return this.normalize().multiply(maxMagnitude);
        }
        return this.copy();
    }
}