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| 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 D3D = Microsoft.DirectX.Direct3D;
namespace DirectX_Tutorial
{
public class WinForm : System.Windows.Forms.Form
{
private System.ComponentModel.Container components = null;
private D3D.Device device;
private Material material;
private float scaling = 0.2f;
private Mesh spacemesh;
private float spacemeshradius;
private Material[] spacemeshmaterials;
private Texture[] spacemeshtextures;
private Texture gradientTexture = null;
private Effect effect = null;
private Matrix matView;
private Matrix matProjection;
private Matrix skyBoxWorldMat;
public WinForm()
{
InitializeComponent();
this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.Opaque, true);
}
public void InitializeDevice()
{
PresentParameters presentParams = new PresentParameters();
presentParams.Windowed = true;
presentParams.SwapEffect = SwapEffect.Discard;
presentParams.AutoDepthStencilFormat = DepthFormat.D16;
presentParams.EnableAutoDepthStencil = true;
device = new D3D.Device(0, D3D.DeviceType.Hardware, this, CreateFlags.SoftwareVertexProcessing, presentParams);
device.RenderState.Lighting = false;
}
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, Color.Black, 1.0f, 0);
device.BeginScene();
device.Transform.World = Matrix.Identity;
skyBoxWorldMat = Matrix.Scaling(scaling, scaling, scaling);
DrawMesh(spacemesh, spacemeshmaterials, spacemeshtextures);
RenderSky(device);
device.EndScene();
device.Present();
this.Invalidate();
}
private void SetUpCamera()
{
matView = Matrix.LookAtLH(new Vector3(20, 5, 13), new Vector3(0, 0, -10), new Vector3(0, 1, 0));
matProjection = Matrix.PerspectiveFovLH((float)Math.PI / 4, (float)this.Width / (float)this.Height, 0.3f, 500f);
device.Transform.Projection = matProjection;
device.Transform.View = matView;
}
public void RenderSky(Device device)
{
device.Transform.World = skyBoxWorldMat;
device.RenderState.CullMode = Cull.None;
if (effect == null)
{
effect = Effect.FromFile(device, "SkyHLSL.fx", null,null, ShaderFlags.None, null);
//effect. LoadSkyEffect(device, "SkyHLSL.fx");
}
gradientTexture = TextureLoader.FromFile(device, "ocean.bmp");
effect.SetValue("g_WorldViewProj", skyBoxWorldMat * matView * matProjection);
effect.SetValue("g_GradientTexture", gradientTexture);
effect.Technique = "RenderSky";
for (int i = 0; i < spacemeshmaterials.Length; i++)
{
device.Material = spacemeshmaterials[i];
effect.SetValue("g_BaseTexture", spacemeshtextures[i]);
// Apply the technique contained in the effect
int passes = effect.Begin(0);
for (int pass = 0; pass < passes; pass++)
{
effect.BeginPass(pass);
// Draw the mesh subset
spacemesh.DrawSubset(i);
effect.EndPass();
}
effect.End();
}
}
private void LoadTexturesAndMaterials()
{
material = new Material();
material.Diffuse = Color.White;
material.Ambient = Color.White;
device.Material = material;
}
private void LoadMesh(string filename, ref Mesh mesh, ref Material[] meshmaterials, ref Texture[] meshtextures, ref float meshradius)
{
ExtendedMaterial[] materialarray;
mesh = Mesh.FromFile(filename, MeshFlags.Managed, device, out materialarray);
if ((materialarray != null) && (materialarray.Length > 0))
{
meshmaterials = new Material[materialarray.Length];
meshtextures = new Texture[materialarray.Length];
for (int i = 0; i < materialarray.Length; i++)
{
meshmaterials[i] = materialarray[i].Material3D;
meshmaterials[i].Ambient = meshmaterials[i].Diffuse;
if ((materialarray[i].TextureFilename != null) && (materialarray[i].TextureFilename != string.Empty))
{
meshtextures[i] = TextureLoader.FromFile(device, materialarray[i].TextureFilename);
}
}
}
}
private void LoadMeshes()
{
LoadMesh("sphere.x", ref spacemesh, ref spacemeshmaterials, ref spacemeshtextures, ref spacemeshradius);
}
private void DrawMesh(Mesh mesh, Material[] meshmaterials, Texture[] meshtextures)
{
for (int i = 0; i < meshmaterials.Length; i++)
{
device.Material = meshmaterials[i];
device.SetTexture(0, meshtextures[i]);
mesh.DrawSubset(i);
}
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
private void InitializeComponent()
{
this.components = new System.ComponentModel.Container();
this.Size = new System.Drawing.Size(500, 500);
this.Text = "Riemer's DirectX Tutorial using C# -- Season 2";
}
static void Main()
{
using (WinForm our_directx_form = new WinForm())
{
our_directx_form.InitializeDevice();
our_directx_form.SetUpCamera();
our_directx_form.LoadTexturesAndMaterials();
our_directx_form.LoadMeshes();
Application.Run(our_directx_form);
}
}
}
}[/B]
voila le code HLSL : : :
[B]// Global variables
//--------------------------------------------------------------------------------------
texture g_BaseTexture;
texture g_GradientTexture;
float4x4 g_WorldViewProj; // World * View * Projection matrix
float g_Movex = float( 75.00 );
float g_Movey = float( 75.00 );
//--------------------------------------------------------------------------------------
// Texture samplers
//--------------------------------------------------------------------------------------
sampler BaseTextureSampler =
sampler_state
{
Texture = <g_BaseTexture>;
MinFilter = Linear;
MagFilter = Linear;
MipFilter = Linear;
};
sampler GradientTextureSampler =
sampler_state
{
Texture = <g_GradientTexture>;
MinFilter = Linear;
MagFilter = Linear;
MipFilter = Linear;
};
//--------------------------------------------------------------------------------------
// Vertex shader output structure
//--------------------------------------------------------------------------------------
struct VS_OUTPUT
{
float4 Position : POSITION; // vertex position
float2 TextureUV : TEXCOORD0; // vertex texture coords
};
//--------------------------------------------------------------------------------------
// This shader computes standard transform and lighting
//--------------------------------------------------------------------------------------
VS_OUTPUT RenderSkyVS( float4 vPos : POSITION,
float3 vTexCoord0 : TEXCOORD0 )
{
VS_OUTPUT Output;
Output.Position = mul(vPos, g_WorldViewProj);
Output.TextureUV = vTexCoord0;
return Output;
}
//--------------------------------------------------------------------------------------
// Pixel shader output structure
//--------------------------------------------------------------------------------------
struct PS_OUTPUT
{
float4 RGBColor : COLOR0; // Pixel color
};
//--------------------------------------------------------------------------------------
// This shader outputs the pixel's color by modulating the texture's
// color with diffuse material color
//--------------------------------------------------------------------------------------
PS_OUTPUT RenderSkyPS( VS_OUTPUT In )
{
PS_OUTPUT Output;
float4 base, gradient;
base = tex2D(BaseTextureSampler, In.TextureUV + 0.3f *float2 (g_Movex, g_Movey));
gradient = tex2D(GradientTextureSampler, In.TextureUV);
Output.RGBColor = base * (1-gradient) + gradient;
return Output;
}
//--------------------------------------------------------------------------------------
// Renders scene to render target
//--------------------------------------------------------------------------------------
technique RenderSky
{
pass P0
{
VertexShader = compile vs_1_1 RenderSkyVS( );
PixelShader = compile ps_1_4 RenderSkyPS( );
}
} |
