form1.cs
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; using Microsoft.DirectX; using Microsoft.DirectX.Direct3D; namespace XNAGame_012 { public partial class Form1 : Form { /* * 1.编写Direct3D程序,首先需要安装direct3d sdk程序。 * 2.项目引用中,需要添加Microsoft.DirectX,Microsoft.DirectX.Direct3D,Microsoft.Direct3DX, * 3.上面的引用,我的电脑的路径是C:\Windows\Microsoft.NET\DirectX for Managed Code\1.0.2902.0 * 4.vs项目属性中,引用路径要把C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Include\, * 和C:\Program Files (x86)\Microsoft DirectX SDK (June 2010)\Lib\,都包含进来。 * 5.在form1.cs中,需要引用 using Microsoft.DirectX,using Microsoft.DirectX.Direct3D; * 6.非常重要的一点,此点不解决,窗体不显示,在App.config配置文件中,加入<startup useLegacyV2RuntimeActivationPolicy="true"> * * 数组定义在托管堆中,速度较慢,如果顶点的数组放到图形卡的显存中,可以大大增加绘制图形的速度。 * 可以使用VertexBuffer类为数组申请存储空间,参数1为顶点类型,参数2为顶点个数,参数3为Device类对象, * 参数4一般是0,参数5为顶点格式,参数6,可以是SystemMemory、Default等,一般选择Default,由系统决定位置。 * * */ //设备类 private Device device1 = null; // bool pause = false; //增加这个变量 VertexBuffer buffer1 = null; public Form1() { InitializeComponent(); } public bool InitializeGraphics() { try { PresentParameters param1 = new PresentParameters(); param1.Windowed = true; // 非全屏模式,即窗口模式 param1.SwapEffect = SwapEffect.Discard; // 后备缓存模式,新帧显示,旧帧丢弃 param1.EnableAutoDepthStencil = true; //自动深度测试 param1.AutoDepthStencilFormat = DepthFormat.D16; //深度缓存区单元为16位二进制 device1 = new Device(0, DeviceType.Hardware, this, CreateFlags.SoftwareVertexProcessing, param1); device1.DeviceReset += new System.EventHandler(this.OnResetDevice); this.OnCreateDevice(device1, null); this.OnResetDevice(device1, null); return true; } catch (DirectXException ex) { return false; } } //渲染 public void Render() { if (device1 == null) return; // 设备类没有初始化,为空,不渲染 if (pause) return; // 暂停,窗体最小化,不可见,不渲染 device1.Clear(ClearFlags.Target | ClearFlags.ZBuffer, Color.Blue, 1.0f, 0); device1.BeginScene(); //在这里加代码 device1.SetStreamSource(0,buffer1,0); //使用显卡缓存中的顶点 device1.VertexFormat = CustomVertex.TransformedColored.Format; //顶点格式 device1.DrawPrimitives(PrimitiveType.TriangleList, 0, 1); //绘制三角形 device1.EndScene(); device1.Present(); } private void Form1_Paint(object sender, PaintEventArgs e) { this.Render(); } //在此方法中,添加处理代码 public void OnCreateDevice(object sender, EventArgs e) { Device dev = (Device)sender; //获取设备类 //新建缓存区域, buffer1 = new VertexBuffer(typeof(CustomVertex.TransformedColored),3,dev,0,CustomVertex.TransformedColored.Format,Pool.Default); buffer1.Created += new System.EventHandler(this.OnCreateVertexBuffer); this.OnCreateVertexBuffer(buffer1, null); } public void OnResetDevice(object sender, EventArgs e) { } private void Form1_Resize(object sender, EventArgs e) { pause = ((this.WindowState == FormWindowState.Minimized) || !this.Visible); } //增加此方法,在添加点时,先锁定,添加完毕后,再解锁。 public void OnCreateVertexBuffer(object sender, EventArgs e) { CustomVertex.TransformedColored[] verts = (CustomVertex.TransformedColored[])buffer1.Lock(0, 0); verts[0].X = 150.0f; //点1,顶点 verts[0].Y = 50.0f; verts[0].Z = 0.5f; verts[0].Rhw = 1; verts[0].Color = Color.Aqua.ToArgb(); verts[1].X = 250.0f; //点2,右下 verts[1].Y = 250.0f; verts[1].Z = 0.5f; verts[1].Rhw = 1; verts[1].Color = Color.Brown.ToArgb(); verts[2].X = 50.0f; // 点3,左下 verts[2].Y = 250.0f; verts[2].Z = 0.5f; verts[2].Rhw = 1; verts[2].Color = Color.Aqua.ToArgb(); buffer1.Unlock(); } } }
program.cs
using System; using System.Collections.Generic; using System.Linq; using System.Threading.Tasks; using System.Windows.Forms; namespace XNAGame_012 { static class Program { /// <summary> /// 应用程序的主入口点。 /// </summary> [STAThread] static void Main() { //Application.EnableVisualStyles(); //Application.SetCompatibleTextRenderingDefault(false); //Application.Run(new Form1()); using (Form1 frm = new Form1()) { if (frm.InitializeGraphics() == false) { MessageBox.Show("无法初始化Direct 3D,退出"); return; } frm.Show(); while (frm.Created == true) { frm.Render(); Application.DoEvents(); } } } } }
app.config
<?xml version="1.0" encoding="utf-8" ?> <configuration> <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5" /> </startup> </configuration>
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