CubePainter.cs

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using Cube.Data;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace CubeForm
{
    class CubePainter
    {
        private Cube.Data.Cube cube;
        private Graphics graphics;
        private int size = 55;
        private int leak = 3;
        public CubePainter(Cube.Data.Cube cube, Graphics g)
        {
            this.cube = cube;
            graphics = g;
        }

        /// <summary>
        /// X斜二测坐标转换为直角坐标
        /// </summary>
        public PointF ScaleTransformX(PointF point, PointF offset)
        {
            var a = 0.35355339059327; //四分之根号2
            var x = point.X * a + offset.X;
            var y = point.Y - point.X * a + offset.Y; 
            return new PointF((float)x, (float)y);
        }

        /// <summary>
        /// Y斜二测坐标转换为直角坐标
        /// </summary>
        public PointF ScaleTransformY(PointF point, PointF offset)
        {
            var a = 0.35355339059327; //四分之根号2
            var x = point.X - point.Y * a + offset.X + a * 3 * size + leak;
            var y = point.Y * a + offset.Y + (1 - a) * 3 * size + leak;
            return new PointF((float)x, (float)y);
        }

        public void Draw()
        {
            var startPoint = new Point(0, 0);
            var up = cube.GetFace(Faces.Up);
            var right = cube.GetFace(Faces.Right);
            var front = cube.GetFace(Faces.Front);
            DrawFace(up, new Point(startPoint.X + 4 * (size + leak), startPoint.Y + (size + leak)), ScaleType.Y);
            DrawFace(front, new Point(startPoint.X + 4 * (size + leak), startPoint.Y + 4 * (size + leak)), ScaleType.Normal);
            DrawFace(right, new Point(startPoint.X + 7 * (size + leak), startPoint.Y + 4 * (size + leak)), ScaleType.X);
        }

        private void DrawFace(CubeColor[,] face, Point s, ScaleType scale)
        {
            var startX = s.X;