DirextX编程

开发平台：
C#

DrawHexClass.cs：源码内容
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// Copyright (c) 三峡大学水利与环境学院 肖泽云. All rights reserved.  //
////////////////////////////////////////////////////////////////////////
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
namespace 绘制基本几何体
{
    class DrawHexClass
    {
        /// <summary>
        /// <para name="device">定义设备对象</para>
        /// </summary>
        public Device device;
        public Vector3[] pointVectors;
        public CustomVertex.PositionColored[] vertices;
        private int[] indexData;
        public DrawHexClass(Device _device, Vector3[] _pointVectors)
        {
            device = _device;
            pointVectors=_pointVectors;
            vertices = new CustomVertex.PositionColored[8];
            vertices[0].Position = pointVectors[0]; 
            vertices[0].Color = Color.Yellow.ToArgb();
            vertices[1].Position = pointVectors[1]; 
            vertices[1].Color = Color.Red.ToArgb();
            vertices[2].Position = pointVectors[2]; 
            vertices[2].Color = Color.Green.ToArgb();
            vertices[3].Position = pointVectors[3];
            vertices[3].Color = Color.Gold.ToArgb();
            vertices[4].Position = pointVectors[4]; 
            vertices[4].Color = Color.GhostWhite.ToArgb();
            vertices[5].Position = pointVectors[5];
            vertices[5].Color = Color.LightPink.ToArgb();
            vertices[6].Position = pointVectors[6];
            vertices[6].Color = Color.Maroon.ToArgb();
            vertices[7].Position = pointVectors[7]; 
            vertices[7].Color = Color.Orange.ToArgb();
            IndicesDeclaration();//定义索引
        }
        private void IndicesDeclaration()//定义索引
        {
            indexData=new int[36];
            //顶部三角形
            indexData[0] = 0; indexData[1] = 1; indexData[2] = 3;
            indexData[3] = 3; indexData[4] = 1; indexData[5] = 2;
            //周围三角形
            indexData[6] = 4; indexData[7] = 0; indexData[8] = 7;
            indexData[9] = 7; indexData[10] = 0; indexData[11] = 3;
            indexData[12] = 7; indexData[13] = 3; indexData[14] = 6;
            indexData[15] = 6; indexData[16] = 3; indexData[17] = 2;
            indexData[18] = 6; indexData[19] = 2; indexData[20] = 5;
            indexData[21] = 5; indexData[22] = 2; indexData[23] = 1;
            indexData[24] = 5; indexData[25] = 1; indexData[26] = 4;
            indexData[27] = 4; indexData[28] = 1; indexData[29] = 0;
            //底部三角形
            indexData[30] = 5; indexData[31] = 4; indexData[32] = 7;
            indexData[33] = 7; indexData[34] = 6; indexData[35] = 5;
        }
        public void DrawHex()
        {
            device.DrawIndexedUserPrimitives(PrimitiveType.TriangleList, 0, 8, 12, indexData, false, vertices);
        }
    }
}

						