managed DirectX9第一个3D程序

对3D的东西一直很感兴趣,今天安装了DirectX9.0 的SDK,看了一片文章,挺不错的:
managed DirectX9(第一章) http://dev.csdn.net/article/62/62703.shtm
还有SDK里面的文档,比葫芦画瓢地写出了第一个3D程序:
MDX.JPG

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;
using System.Text;

namespace DXTest
{
    
public class Form1 : System.Windows.Forms.Form
    
{
        
private Device device=null;//声明一个Device
        private float x=8.0f;
        
private float y=0.0f;
        
private float z=7.0f;

        
private System.ComponentModel.Container components = null;
        
private System.Windows.Forms.Button button1;
        
private System.Windows.Forms.Button button2;
        
private System.Windows.Forms.Button button3;
        
private System.Windows.Forms.Button button4;

        
public void InitGraph()
        
{
            PresentParameters pp
=new PresentParameters();
            pp.Windowed
=true;
            pp.SwapEffect
=SwapEffect.Discard;

            device
=new Device(0,DeviceType.Hardware,this,CreateFlags.SoftwareVertexProcessing,pp);
        }

        
protected override void OnPaint(PaintEventArgs e)
        
{
            
            
base.OnPaint (e);

            device.RenderState.Lighting
=true;//开灯
            device.RenderState.CullMode = Cull.None;//关闭剔除模式

            device.Lights[
0].Type = LightType.Directional;//以下设置light
            device.Lights[0].Direction = new Vector3(
                (
float)Math.Cos(Environment.TickCount / 250.0f),
                
-7.0f,
                (
float)Math.Sin(Environment.TickCount / 250.0f));
            device.Lights[
0].Diffuse = System.Drawing.Color.White;
            device.Lights[
0].Attenuation0 = 0.2f;
            device.Lights[
0].Range = 1000.0f;
            device.Lights[
0].Enabled = true;

            device.Clear(ClearFlags.Target,System.Drawing.Color.CornflowerBlue,
1.0f,0);//以清除的方式来显示带有颜色的背景的form

            
//CustomVertex.TransformedColored[] verts=new Microsoft.DirectX.Direct3D.CustomVertex.TransformedColored[3];
            
//verts[0].Color=System.Drawing.Color.Red.ToArgb();
            
//verts[0].Position=new Vector4(11f,50.0f,0.5f,1.0f);
            
//verts[1].Color=System.Drawing.Color.White.ToArgb();
            
//verts[1].Position=new Vector4(222f,10.0f,0.5f,56.0f);
            
//verts[2].Color=System.Drawing.Color.Black.ToArgb();
            
//verts[2].Position=new Vector4(this.Width/1.0f-20.0f,this.Height/1.0f-80.0f,2.5f,23.0f);
            
            CustomVertex.PositionNormalColored[] verts2
=new Microsoft.DirectX.Direct3D.CustomVertex.PositionNormalColored[3];//定义带法线的坐标顶点
            verts2[0].Position=new Vector3(-3.0f,0.0f,0.0f); //中心点的坐标是(0,0,0)
            verts2[0].Normal=new Vector3(0.0f,1.0f,-1.0f);
            verts2[
0].Color=System.Drawing.Color.Red.ToArgb();
            verts2[
1].Position=new Vector3(0.0f,4.0f,0.0f);
            verts2[
1].Normal=new Vector3(0.0f,-3.0f,-1.0f);
            verts2[
1].Color=System.Drawing.Color.Black.ToArgb();
            verts2[
2].Position=new Vector3(3.0f,0.0f,0.0f);
            verts2[
2].Normal=new Vector3(02.0f,1.0f,-1.0f);
            verts2[
2].Color=System.Drawing.Color.White.ToArgb();

            
//镜头坐标
            device.Transform.View = Matrix.LookAtLH( 
                
new Vector3( x,y,z), 
                
new Vector3( 0.0f0.0f0.0f ), 
                
new Vector3( 0.0f1.0f0.0f ) );
            device.Transform.Projection 
= Matrix.PerspectiveFovLH(
                (
float)Math.PI / 4
                
1.0f
                
1.0f
                
100.0f );

            
//产生旋转动作
            int  iTime  = Environment.TickCount % 1000;
            
float fAngle = iTime * (2.0f * (float)Math.PI) / 1000.0f+(float)Math.PI;
            device.Transform.World 
= Matrix.RotationY( fAngle );

            device.BeginScene();
//开始一个场景
            
//device.VertexFormat=CustomVertex.TransformedColored.Format;
            device.VertexFormat=CustomVertex.PositionNormalColored.Format;
            device.DrawUserPrimitives(PrimitiveType.TriangleList,
1,verts2);
            device.EndScene();
            device.Present();

            
this.Invalidate();//使窗体失效
            
        }


        
protected override void OnResize(EventArgs e)
        
{
            
base.OnResize (e);
        }



        
public Form1()
        
{
            InitializeComponent();
            
this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.Opaque, true);
        }


        
protected override void Dispose( bool disposing )
        
{
            
if( disposing )
            
{
                
if (components != null
                
{
                    components.Dispose();
                }

            }

            
base.Dispose( disposing );
        }



        
#region Windows 窗体设计器生成的代码
        
/// <summary>
        
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
        
/// 此方法的内容。
        
/// </summary>

        private void InitializeComponent()
        
{
            
this.button1 = new System.Windows.Forms.Button();
            
this.button2 = new System.Windows.Forms.Button();
            
this.button3 = new System.Windows.Forms.Button();
            
this.button4 = new System.Windows.Forms.Button();
            
this.SuspendLayout();
            
// 
            
// button1
            
// 
            this.button1.Location = new System.Drawing.Point(408);
            
this.button1.Name = "button1";
            
this.button1.Size = new System.Drawing.Size(3223);
            
this.button1.TabIndex = 0;
            
this.button1.Text = "^";
            
this.button1.Click += new System.EventHandler(this.button1_Click);
            
// 
            
// button2
            
// 
            this.button2.Location = new System.Drawing.Point(832);
            
this.button2.Name = "button2";
            
this.button2.Size = new System.Drawing.Size(3223);
            
this.button2.TabIndex = 1;
            
this.button2.Text = "<-";
            
this.button2.Click += new System.EventHandler(this.button2_Click);
            
// 
            
// button3
            
// 
            this.button3.Location = new System.Drawing.Point(7232);
            
this.button3.Name = "button3";
            
this.button3.Size = new System.Drawing.Size(3223);
            
this.button3.TabIndex = 2;
            
this.button3.Text = "->";
            
this.button3.Click += new System.EventHandler(this.button3_Click);
            
// 
            
// button4
            
// 
            this.button4.Location = new System.Drawing.Point(4056);
            
this.button4.Name = "button4";
            
this.button4.Size = new System.Drawing.Size(3223);
            
this.button4.TabIndex = 3;
            
this.button4.Text = "!";
            
this.button4.Click += new System.EventHandler(this.button4_Click);
            
// 
            
// Form1
            
// 
            this.AutoScaleBaseSize = new System.Drawing.Size(614);
            
this.ClientSize = new System.Drawing.Size(292266);
            
this.Controls.Add(this.button4);
            
this.Controls.Add(this.button3);
            
this.Controls.Add(this.button2);
            
this.Controls.Add(this.button1);
            
this.Name = "Form1";
            
this.Text = "Form1";
            
this.Load += new System.EventHandler(this.Form1_Load);
            
this.ResumeLayout(false);

        }

        
#endregion


        [STAThread]
        
static void Main() 
        
{
            Form1 frm
=new Form1();
            frm.Show();
            frm.InitGraph();
            Application.Run(frm);
            frm.ResizeRedraw
=true;
        }


        
private void button3_Click(object sender, System.EventArgs e)
        
{
            x
=x+1.0f;
        }


        
private void button1_Click(object sender, System.EventArgs e)
        
{
            y
=y+1.0f;
        }


        
private void button2_Click(object sender, System.EventArgs e)
        
{
            x
=x-1.0f;
        }


        
private void button4_Click(object sender, System.EventArgs e)
        
{
            y
=y-1.0f;
        }


        
private void Form1_Load(object sender, System.EventArgs e)
        
{
        
        }

    }

}

原文地址:https://www.cnblogs.com/caca/p/203898.html