Vector2.cs

using System;

namespace WinForMono.Graphics {

    public sealed class Vector2 : IEquatable<Vector2> {

        public Vector2() { x = 0; y = 0; }
        public Vector2(float _x, float _y) { x = _x; y = _y; }

        public float x {
            get;
            set;
        }

        public float y {
            get;
            set;
        }

        public bool Equals(Vector2 other) {
            return (
                x == other.x &&
                y == other.y
            );
        }

        public override string ToString() {
            return "Vector2 {\v" +
                   new string('\b', 5) + x + ",\v" +
                   new string('\b', x.ToString().Length+1) + y + "\v" +
                   new string('\b', y.ToString().Length+4) + // Go back to same column as the "V" of "Vector2"
                   "}";
        }

        public float dot(Vector2 other) { float total = 0.0f; total+=(this.x*other.x); total+=(this.y*other.y); return total; }
        public float magnitude() => (float)Math.Sqrt((float)Math.Pow(x, 2.0f) + (float)Math.Pow(y, 2.0f));
        public Vector2 interp(Vector2 other, float interp_amt) => this+((other-this)*interp_amt);
        public Vector2 midpoint(Vector2 other) => (this+other)/2.0f;
        public Vector2 unit() { float mag = magnitude(); return new Vector2(x/mag, y/mag); }

        public static bool operator ==(Vector2 self, Vector2 other) => self.Equals(other);
        public static bool operator !=(Vector2 self, Vector2 other) => !self.Equals(other);
        public static Vector2 operator +(Vector2 self, Vector2 other) => new Vector2(self.x+other.x, self.y+other.y);
        public static Vector2 operator -(Vector2 self, Vector2 other) => new Vector2(self.x-other.x, self.y-other.y);
        public static Vector2 operator *(Vector2 self, float other) => new Vector2(self.x*other, self.y*other);
        public static Vector2 operator /(Vector2 self, float other) => new Vector2(self.x/other, self.y/other);

        public static implicit operator System.Drawing.PointF(Vector2 self) => new System.Drawing.PointF(self.x, self.y);

        public static readonly Vector2 ZERO = new Vector2(0.0f, 0.0f);

    }

}