Isosurface.Quad.Quad C# (CSharp) Method

        public Quad(GraphicsDevice device)
        {
            vertices = new VertexPositionTexture[]
            {
                new VertexPositionTexture(new Vector3(0,0,1), new Vector2(1,1)),
                new VertexPositionTexture(new Vector3(0,0,1), new Vector2(0,1)),
                new VertexPositionTexture(new Vector3(0,0,1), new Vector2(0,0)),
                new VertexPositionTexture(new Vector3(0,0,1), new Vector2(1,0))
            };
            Vector2 v1 = -Vector2.One;
            Vector2 v2 = Vector2.One;

            vertices[0].Position.X = v2.X;
            vertices[0].Position.Y = v1.Y;

            vertices[1].Position.X = v1.X;
            vertices[1].Position.Y = v1.Y;

            vertices[2].Position.X = v1.X;
            vertices[2].Position.Y = v2.Y;

            vertices[3].Position.X = v2.X;
            vertices[3].Position.Y = v2.Y;

            indexes = new short[] { 0, 1, 2, 2, 3, 0 };
        }