using OpenTK.Graphics;
using OpenTK.Graphics.OpenGL4;
using SM.OGL.Mesh;

namespace SM.Base.Objects.Static
{
    /// <summary>
    ///     An AxisHelper-Model
    /// <para>White: -X, -Y, -Z</para>
    /// <para>Red: +X </para>
    /// <para>Green: +Y </para>
    /// <para>Blue: +Z </para>
    /// </summary>
    public class AxisHelper : Mesh
    {
        /// <summary>
        ///     Object
        /// </summary>
        public static AxisHelper Object = new AxisHelper();

        private AxisHelper() : base(PrimitiveType.Lines) {}

        /// <inheritdoc />
        public override VBO Vertex { get; protected set; } = new VBO()
        {
            {0, 0, 0},
            {.5f, 0, 0},
            {0, 0, 0},
            {0, .5f, 0},
            {0, 0, -.5f},
            {0, 0, .5f},
        };

        /// <inheritdoc />
        public override VBO Color { get; protected set; } = new VBO(pointerSize:4)
        {
            {Color4.White},
            {Color4.Red},
            {Color4.White},
            {Color4.Green},
            {Color4.White},
            {Color4.DarkBlue},
        };
    }
}