久久影院午夜论,一区二区视频免费在线观看,国产亚洲成av人片在线观看桃

紋理+VertexElement（二）

代碼：

//------------------------------------------------------------------------------

// Name: dx9cs_multiple_vertex_buffers.cs

// Author: Kevin Harris

// Last Modified: 06/15/05

// Description: This sample demonstrates how to create 3D geometry with

// Direct3D by loading vertex data into a multiple Vertex

// Buffers.

//------------------------------------------------------------------------------

using System;

using System.Drawing;

using System.Windows.Forms;

using Microsoft.DirectX;

using Microsoft.DirectX.Direct3D;

namespace DX9Sample

{

public class DX9Form : System.Windows.Forms.Form

{

private Device d3dDevice = null;

private bool mousing = false;

private Point ptLastMousePosit;

private Point ptCurrentMousePosit;

private int spinX;

private int spinY;

private VertexBuffer vertexBuffer = null; //頂點

private VertexBuffer colorBuffer = null; //頂點顏色

private VertexBuffer texCoordBuffer = null; //紋理

Texture texture = null;

static private float elapsedTime;

static private DateTime currentTime;

static private DateTime lastTime;

struct Vertex

{

float x, y, z;

public Vertex( float _x, float _y, float _z )

{

x = _x;

y = _y;

z = _z;

}

};//頂點結構

Vertex[] cubeVertices =

{

new Vertex(-1.0f, 1.0f,-1.0f ),

new Vertex( 1.0f, 1.0f,-1.0f ),

new Vertex(-1.0f,-1.0f,-1.0f ),

new Vertex( 1.0f,-1.0f,-1.0f ),

new Vertex(-1.0f, 1.0f, 1.0f ),

new Vertex(-1.0f,-1.0f, 1.0f ),

new Vertex( 1.0f, 1.0f, 1.0f ),

new Vertex( 1.0f,-1.0f, 1.0f ),

new Vertex(-1.0f, 1.0f, 1.0f ),

new Vertex( 1.0f, 1.0f, 1.0f ),

new Vertex(-1.0f, 1.0f,-1.0f ),

new Vertex( 1.0f, 1.0f,-1.0f ),

new Vertex(-1.0f,-1.0f, 1.0f ),

new Vertex(-1.0f,-1.0f,-1.0f ),

new Vertex( 1.0f,-1.0f, 1.0f ),

new Vertex( 1.0f,-1.0f,-1.0f ),

new Vertex( 1.0f, 1.0f,-1.0f ),

new Vertex( 1.0f, 1.0f, 1.0f ),

new Vertex( 1.0f,-1.0f,-1.0f ),

new Vertex( 1.0f,-1.0f, 1.0f ),

new Vertex(-1.0f, 1.0f,-1.0f ),

new Vertex(-1.0f,-1.0f,-1.0f ),

new Vertex(-1.0f, 1.0f, 1.0f ),

new Vertex(-1.0f,-1.0f, 1.0f )

};

struct DiffuseColor

{

int color;

public DiffuseColor( int _color )

{

color = _color;

}

};//顏色結構

DiffuseColor[] cubeColors =

{

new DiffuseColor( Color.Red.ToArgb() ),

new DiffuseColor( Color.Green.ToArgb() ),

new DiffuseColor( Color.Blue.ToArgb() ),

new DiffuseColor( Color.Yellow.ToArgb() ),

new DiffuseColor( Color.Magenta.ToArgb() ),

new DiffuseColor( Color.Cyan.ToArgb() ),

new DiffuseColor( Color.Cyan.ToArgb() )

};

struct TexCoord

{

float tu, tv;

public TexCoord( float _tu, float _tv )

{

tu = _tu;

tv = _tv;

}

};//紋理結構

TexCoord[] cubeTexCoords =

{

new TexCoord( 0.0f, 0.0f ),

new TexCoord( 1.0f, 0.0f ),

new TexCoord( 0.0f, 1.0f ),

new TexCoord( 1.0f, 1.0f ),

new TexCoord( 1.0f, 0.0f ),

new TexCoord( 1.0f, 1.0f ),

new TexCoord( 0.0f, 0.0f ),

new TexCoord( 0.0f, 1.0f ),

new TexCoord( 0.0f, 0.0f ),

new TexCoord( 1.0f, 0.0f ),

new TexCoord( 0.0f, 1.0f ),

new TexCoord( 1.0f, 1.0f ),

new TexCoord( 0.0f, 0.0f ),

new TexCoord( 1.0f, 0.0f ),

new TexCoord( 0.0f, 1.0f ),

new TexCoord( 1.0f, 1.0f ),

new TexCoord( 0.0f, 0.0f ),

new TexCoord( 1.0f, 0.0f ),

new TexCoord( 0.0f, 1.0f ),

new TexCoord( 1.0f, 1.0f ),

new TexCoord( 1.0f, 0.0f ),

new TexCoord( 1.0f, 1.0f ),

new TexCoord( 0.0f, 0.0f ),

new TexCoord( 0.0f, 1.0f )

};

public DX9Form()

{

this.ClientSize = new Size( 640, 480 );

this.Text = "Direct3D (DX9/C#) - Multiple Vertex Buffers";

this.SetStyle( ControlStyles.AllPaintingInWmPaint | ControlStyles.Opaque, true );

}

protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)

{

currentTime = DateTime.Now;

TimeSpan elapsedTimeSpan = currentTime.Subtract( lastTime );

elapsedTime = (float)elapsedTimeSpan.Milliseconds * 0.001f;

lastTime = currentTime;

this.Render();

this.Invalidate();

}

protected override void OnKeyDown(System.Windows.Forms.KeyEventArgs e)

{

switch( e.KeyCode )

{

case System.Windows.Forms.Keys.Escape:

this.Dispose();

break;

}

protected override void OnMouseDown(System.Windows.Forms.MouseEventArgs e)

{

ptLastMousePosit = ptCurrentMousePosit = PointToScreen( new Point(e.X, e.Y) );

mousing = true;

}

protected override void OnMouseUp(System.Windows.Forms.MouseEventArgs e)

{

mousing = false;

}

protected override void OnMouseMove(System.Windows.Forms.MouseEventArgs e)

{

ptCurrentMousePosit = PointToScreen( new Point(e.X, e.Y) );

if( mousing )

{

spinX -= (ptCurrentMousePosit.X - ptLastMousePosit.X);

spinY -= (ptCurrentMousePosit.Y - ptLastMousePosit.Y);

}

ptLastMousePosit = ptCurrentMousePosit;

}

protected override void Dispose(bool disposing)

{

base.Dispose( disposing );

}

static void Main()

{

using( DX9Form frm = new DX9Form() )

{

frm.Show();

frm.Init();

Application.Run( frm );

}

private void LoadTexture()

{//load 紋理

try

{

Bitmap testImage = (Bitmap)Bitmap.FromFile( "test.bmp" );

texture = Texture.FromBitmap( d3dDevice, testImage, 0, Pool.Managed );

}

catch

{

// We must be running from within Visual Studio. Relocate the

// current directory and try again.

System.IO.Directory.SetCurrentDirectory(

System.Windows.Forms.Application.StartupPath + @"\..\..\");

Bitmap testImage = (Bitmap)Bitmap.FromFile( "test.bmp" );

texture = Texture.FromBitmap( d3dDevice, testImage, 0, Pool.Managed );

}

d3dDevice.SamplerState[0].MinFilter = TextureFilter.Linear;

d3dDevice.SamplerState[0].MagFilter = TextureFilter.Linear;

}

/// <summary>

/// This method basically creates and initialize the Direct3D device and

/// anything else that doens't need to be recreated after a device

/// reset.

/// </summary>

private void Init()

{

// Do we support hardware vertex processing? If so, use it.

// If not, downgrade to software.

Caps caps = Manager.GetDeviceCaps( Manager.Adapters.Default.Adapter,

DeviceType.Hardware );

CreateFlags flags;

if( caps.DeviceCaps.SupportsHardwareTransformAndLight )

flags = CreateFlags.HardwareVertexProcessing;

else

flags = CreateFlags.SoftwareVertexProcessing;

// Everything checks out - create a simple, windowed device.

PresentParameters d3dpp = new PresentParameters();

d3dpp.BackBufferFormat = Format.Unknown;

d3dpp.SwapEffect = SwapEffect.Discard;

d3dpp.Windowed = true;

d3dpp.EnableAutoDepthStencil = true;

d3dpp.AutoDepthStencilFormat = DepthFormat.D16;

d3dpp.PresentationInterval = PresentInterval.Immediate;

d3dDevice = new Device( 0, DeviceType.Hardware, this, flags, d3dpp );

// Register an event-handler for DeviceReset and call it to continue

// our setup.

d3dDevice.DeviceReset += new System.EventHandler( this.OnResetDevice );

OnResetDevice( d3dDevice, null );

}

/// <summary>

/// This event-handler is a good place to create and initialize any

/// Direct3D related objects, which may become invalid during a

/// device reset.

/// </summary>

public void OnResetDevice(object sender, EventArgs e)

{

Device device = (Device)sender;

device.Transform.Projection =

Matrix.PerspectiveFovLH( Geometry.DegreeToRadian( 45.0f ),

(float)this.ClientSize.Width / this.ClientSize.Height,

0.1f, 100.0f );

device.RenderState.ZBufferEnable = true;

device.RenderState.Lighting = false;

// Create a vertex buffer that contains only the cube's vertex data

vertexBuffer = new VertexBuffer( typeof(Vertex),

cubeVertices.Length, device,

Usage.Dynamic | Usage.WriteOnly,

VertexFormats.Position,

Pool.Default );

GraphicsStream gStream = vertexBuffer.Lock( 0, 0, LockFlags.None );

// Now, copy the vertex data into the vertex buffer

gStream.Write( cubeVertices );

vertexBuffer.Unlock();

// Create a vertex buffer that contains only the cube's color data

colorBuffer = new VertexBuffer( typeof(DiffuseColor),

cubeVertices.Length, device,

Usage.Dynamic | Usage.WriteOnly,

VertexFormats.Diffuse,

Pool.Default );

gStream = null;

gStream = colorBuffer.Lock( 0, 0, LockFlags.None );

// Now, copy the vertex data into the vertex buffer

gStream.Write( cubeColors );

colorBuffer.Unlock();

// Create a vertex buffer that contains only the cube's texture coordinate data

texCoordBuffer = new VertexBuffer( typeof(TexCoord),

cubeVertices.Length, device,

Usage.Dynamic | Usage.WriteOnly,

VertexFormats.Texture1,

Pool.Default );

gStream = null;

gStream = texCoordBuffer.Lock( 0, 0, LockFlags.None );

// Now, copy the vertex data into the vertex buffer

gStream.Write( cubeTexCoords );

texCoordBuffer.Unlock();

// Create a vertex declaration so we can describe to Direct3D how we'll

// be passing our data to it.

// Create the vertex element array.

VertexElement[] elements = new VertexElement[]

{

// Stream Offset Type Method Usage Usage Index

new VertexElement( 0, 0, DeclarationType.Float3, DeclarationMethod.Default, DeclarationUsage.Position, 0),

new VertexElement( 1, 0, DeclarationType.Color, DeclarationMethod.Default, DeclarationUsage.Color, 0),

new VertexElement( 2, 0, DeclarationType.Float2, DeclarationMethod.Default, DeclarationUsage.TextureCoordinate, 0),

VertexElement.VertexDeclarationEnd

};

// Use the vertex element array to create a vertex declaration.

d3dDevice.VertexDeclaration = new VertexDeclaration( d3dDevice, elements );

LoadTexture();

}

/// <summary>

/// This method is dedicated completely to rendering our 3D scene and is

/// is called by the OnPaint() event-handler.

/// </summary>

private void Render()

{

d3dDevice.Clear( ClearFlags.Target | ClearFlags.ZBuffer,

Color.FromArgb(255, 0, 0, 0), 1.0f, 0 );

d3dDevice.BeginScene();

d3dDevice.Transform.World =

Matrix.RotationYawPitchRoll( Geometry.DegreeToRadian(spinX),

Geometry.DegreeToRadian(spinY), 0.0f) *

Matrix.Translation(0.0f, 0.0f, 5.0f);

d3dDevice.SetStreamSource( 0, vertexBuffer, 0 );

d3dDevice.SetStreamSource( 1, colorBuffer, 0 );

d3dDevice.SetStreamSource( 2, texCoordBuffer, 0 );

d3dDevice.SetTexture( 0, texture );

d3dDevice.DrawPrimitives( PrimitiveType.TriangleStrip, 0, 2 );

d3dDevice.DrawPrimitives( PrimitiveType.TriangleStrip, 4, 2 );

d3dDevice.DrawPrimitives( PrimitiveType.TriangleStrip, 8, 2 );

d3dDevice.DrawPrimitives( PrimitiveType.TriangleStrip, 12, 2 );

d3dDevice.DrawPrimitives( PrimitiveType.TriangleStrip, 16, 2 );

d3dDevice.DrawPrimitives( PrimitiveType.TriangleStrip, 20, 2 );

d3dDevice.EndScene();

d3dDevice.Present();

}

posted on 2007-11-09 18:01 夢在天涯閱讀(1759) 評論(0) 編輯收藏引用所屬分類: DirectX

只有注冊用戶登錄后才能發表評論。


相關文章: 紋理+VertexElement（二） Manged Direct3d基本框架+Mesh的使用（一）為程序增加簡單的聲音提示(.net封裝API --PlaySound()) Managed directx 檢查硬件支持和實現全屏顯示 managed directx 實現太陽系的模擬投影變換三維幾何變換二維圖形的幾何變換窗口區到視圖區的坐標變換 managed directx實現讀寫buffer (Read and Write VertexBuffer and IndexBuffer Data)

網站導航: 博客園 IT新聞 BlogJava 博問 Chat2DB 管理

青青草原综合久久大伊人导航_色综合久久天天综合_日日噜噜夜夜狠狠久久丁香五月_热久久这里只有精品

C++ Programmer's Cookbook

紋理+VertexElement（二）

公告

導航

統計

常用鏈接

隨筆分類

隨筆檔案

收藏夾

Blogs

c#(csharp)

C++(cpp)

Enlish

Forums(bbs)

My self

Often go

Useful Webs

Xml/Uml/html

搜索

積分與排名

最新評論

閱讀排行榜