DirextX编程

开发平台：
C#

DrawTextureHexClass.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 Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
namespace 贴图
{
    class DrawTextureHexClass
    {
        public static Mesh DrawTextureHexObject(Device device, Vector3[] pointVectors, string texturePath, out Texture meshtexture)//定义网格
        {
            //定义模型贴图并导入贴图
            Texture meshTexture = TextureLoader.FromFile(device, texturePath);
            Mesh meshObject;
            //定义顶点
            CustomVertex.PositionTextured[] arrayVertices = new CustomVertex.PositionTextured[36];
            //定义索引
            Int16[] arrayIndices = new Int16[36];
            //定义属性
            AttributeRange attributeRange = new AttributeRange();
            //实例化网格对象
            meshObject = new Mesh(arrayIndices.Length / 3, arrayVertices.Length, MeshFlags.SystemMemory, CustomVertex.PositionTextured.Format, device);
            //设置顶点坐标值及贴图坐标，顶部三角形
            arrayVertices[0].Position = pointVectors[0];
            arrayVertices[0].Tu = 0; arrayVertices[0].Tv = 1;
            arrayVertices[1].Position = pointVectors[1];
            arrayVertices[1].Tu = 0; arrayVertices[1].Tv = 0;
            arrayVertices[2].Position = pointVectors[3];
            arrayVertices[2].Tu = 1; arrayVertices[2].Tv = 1;
            arrayVertices[3] = arrayVertices[1];
            arrayVertices[4].Position = pointVectors[2];
            arrayVertices[4].Tu = 1; arrayVertices[4].Tv = 0;
            arrayVertices[5] = arrayVertices[2];
            //周围三角形
            arrayVertices[6].Position = pointVectors[0];
            arrayVertices[6].Tu = 0; arrayVertices[6].Tv = 0;
            arrayVertices[7].Position = pointVectors[7];
            arrayVertices[7].Tu = 1; arrayVertices[7].Tv = 1;
            arrayVertices[8].Position = pointVectors[4];
            arrayVertices[8].Tu = 0; arrayVertices[8].Tv = 1;
            arrayVertices[9] = arrayVertices[6];
            arrayVertices[10].Position = pointVectors[3];
            arrayVertices[10].Tu = 1; arrayVertices[10].Tv = 0;
            arrayVertices[11] = arrayVertices[7];
            arrayVertices[12].Position = pointVectors[3];
            arrayVertices[12].Tu = 0; arrayVertices[12].Tv = 0;
            arrayVertices[13].Position = pointVectors[6];
            arrayVertices[13].Tu = 1; arrayVertices[13].Tv = 1;
            arrayVertices[14].Position = pointVectors[7];
            arrayVertices[14].Tu = 0; arrayVertices[14].Tv = 1;
            arrayVertices[15] = arrayVertices[12];
            arrayVertices[16].Position = pointVectors[2];
            arrayVertices[16].Tu = 1; arrayVertices[16].Tv = 0;
            arrayVertices[17] = arrayVertices[13];
            arrayVertices[18].Position = pointVectors[2];
            arrayVertices[18].Tu = 0; arrayVertices[18].Tv = 0;
            arrayVertices[19].Position = pointVectors[5];
            arrayVertices[19].Tu = 1; arrayVertices[19].Tv = 1;
            arrayVertices[20].Position = pointVectors[6];
            arrayVertices[20].Tu = 0; arrayVertices[20].Tv = 1;
            arrayVertices[21] = arrayVertices[18];
            arrayVertices[22].Position = pointVectors[1];
            arrayVertices[22].Tu = 1; arrayVertices[22].Tv = 0;
            arrayVertices[23] = arrayVertices[19];
            arrayVertices[24].Position = pointVectors[1];
            arrayVertices[24].Tu = 0; arrayVertices[24].Tv = 0;
            arrayVertices[25].Position = pointVectors[4];
            arrayVertices[25].Tu = 1; arrayVertices[25].Tv = 1;
            arrayVertices[26].Position = pointVectors[5];
            arrayVertices[26].Tu = 0; arrayVertices[26].Tv = 1;
            arrayVertices[27] = arrayVertices[24];
            arrayVertices[28].Position = pointVectors[0];
            arrayVertices[28].Tu = 1; arrayVertices[28].Tv = 0;
            arrayVertices[29] = arrayVertices[25];
            //底部三角形
            arrayVertices[30].Position = pointVectors[4];
            arrayVertices[30].Tu = 0; arrayVertices[30].Tv = 0;
            arrayVertices[31].Position = pointVectors[6];
            arrayVertices[31].Tu = 1; arrayVertices[31].Tv = 1;
            arrayVertices[32].Position = pointVectors[5];
            arrayVertices[32].Tu = 0; arrayVertices[32].Tv = 1;
            arrayVertices[33] = arrayVertices[30];
            arrayVertices[34].Position = pointVectors[7];
            arrayVertices[34].Tu = 1; arrayVertices[34].Tv = 0;
            arrayVertices[35] = arrayVertices[31];
            //设置索引,顶部三角形
            for (Int16 i = 0; i < arrayIndices.Length; i++)
            {
                arrayIndices[i] = i;
            }
            //设置属性
            attributeRange.AttributeId = 0;
            attributeRange.FaceStart = 0;
            attributeRange.FaceCount = arrayIndices.Length / 3;
            attributeRange.VertexStart = 0;
            attributeRange.VertexCount = arrayVertices.Length;
            //设置网格对象的索引缓冲和顶点缓冲数据
            meshObject.VertexBuffer.SetData(arrayVertices, 0, LockFlags.None);
            meshObject.IndexBuffer.SetData(arrayIndices, 0, LockFlags.None);
            meshObject.SetAttributeTable(new AttributeRange[] { attributeRange });
            meshtexture = meshTexture;
            return meshObject;
        }
    }
}

						