using System.Runtime.InteropServices;

namespace Prism
{
    [StructLayout(LayoutKind.Sequential)]
    public struct Vec2
    {
        public float X;
        public float Y;

        public Vec2(float scalar)
        {
            X = Y = scalar;
        }

        public Vec2(float x, float y)
        {
            X = x;
            Y = y;
        }

        public Vec2(Vec3 vec) {
            X = vec.X;
            Y = vec.Y;
        }

        public void Clamp(Vec2 min, Vec2 max) {
            if (X < min.X)
                X = min.X;
            if (X > max.X)
                X = max.X;

            if (Y < min.Y)
                Y = min.Y;
            if (Y > max.Y)
                Y = max.Y;
        }

        public static Vec2 operator -(Vec2 vector)
        {
            return new Vec2(-vector.X, -vector.Y);
        }
    }
}