recrownedgtk/RecrownedGTK/Graphics/Render/RectTexture.cs

using RecrownedGTK.Types;
using OpenTK.Graphics;
using System;
namespace RecrownedGTK.Graphics.Render {
    public class RectTexture : Rectangle, IDrawable {
        private uint[] indices;
        private VertexInformation[] vertices;
        private TextureData textureData;
        public Color4 Color {
            get {
                return vertices[0].color;
            }
            set {
                for (int vert = 0; vert < vertices.Length; vert++) {
                    vertices[vert].color = value;
                }
            }
        }
        public override float Width {
            get {
                return vertices[1].coords.X - vertices[0].coords.X;
            }
            set {
                vertices[1].coords.X = vertices[0].coords.X + value;
                vertices[2].coords.X = vertices[3].coords.X + value;
            }
        }
        public override float Height {
            set {
                vertices[3].coords.Y = vertices[0].coords.Y + value;
                vertices[2].coords.Y = vertices[1].coords.Y + value;
            }

            get {
                return vertices[3].coords.Y - vertices[0].coords.Y;
            }
        }
        public override float X {
            set {
                float width = Width;
                vertices[0].coords.X = value;
                Width = width;
            }
            get {
                return vertices[0].coords.X;
            }
        }
        public override float Y {
            set {
                float height = Height;
                vertices[0].coords.Y = value;
                Height = height;
            }
            get {
                return vertices[0].coords.Y;
            }
        }
        public RectTexture(TextureData textureData) {
            this.textureData = textureData ?? throw new ArgumentNullException("Texture data can't be Null.");
            this.textureData = textureData;
            vertices = new VertexInformation[4];
            indices = new uint[] {0, 1, 3,
                                  1, 2, 3};
        }
        public void Draw(out VertexInformation[] vertices, out uint[] indices, out TextureData textureData) {
            indices = this.indices;
            vertices = this.vertices;
            textureData = this.textureData;
        }
    }
}