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Directx 达人进!

suisui2006

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发表于 2007-12-16 23:34 |只看该作者 |倒序浏览

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

namespace VisualPoint
{
public partial class MainForm : Form
{
      private Device device = null;
      private ArrayList ObstacleList;
      private Camera camera;

      //private bool pause=false;
      public MainForm()
      {
         InitializeComponent();
         InitializeGraphics();
      }
      public bool InitializeGraphics()
      {
         try
         {
            PresentParameters presentParams = new PresentParameters();
            //Now let's setup our D3D stuff
            presentParams.Windowed = true;
            presentParams.SwapEffect = SwapEffect.Discard;
            presentParams.EnableAutoDepthStencil = true;
            presentParams.AutoDepthStencilFormat = DepthFormat.D16;
            //LoadDefaultOptions();
            // Create the D3DDevice
            device = new Device(0, DeviceType.Hardware, this, CreateFlags.HardwareVertexProcessing, presentParams);
            device.DeviceReset += new System.EventHandler(this.OnResetDevice);
            OnResetDevice(device, null);
            return true;
         }
         catch (DirectXException)
         {
            return false;
         }
      }
      private void OnResetDevice(object sender, EventArgs e)
      {
         System.IO.Directory.SetCurrentDirectory(Application.StartupPath + @"\..\..\");
         Device dev = (Device)sender;
         // Turn on the zbuffer
         device.RenderState.ZBufferEnable = true;
         //device.RenderState.Ambient = System.Drawing.Color.White;
         ObstacleList = new ArrayList();
         camera = new Camera();
         //SetupMatrices();
         //SetupLights();
         //LoadDefaultOptions();

      }
      private void SetupMatrices()
      {
         //device.Transform.World = Matrix.RotationAxis(new Vector3((float)Math.Cos(Environment.TickCount / 250.0f), 1, (float)Math.Sin(Environment.TickCount / 250.0f)), Environment.TickCount / 1000.0f);
         device.Transform.Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4.0f, 1.0f, 1.0f, 100.0f);
         device.Transform.View = camera.GetViewMatrix();
      }
      private void SetupLights()
      {
         device.Lights[0].Type = LightType.Directional;
         device.Lights[0].Diffuse = System.Drawing.Color.White;
         device.Lights[0].Direction = new Vector3((float)Math.Cos(Environment.TickCount / 1000.0f), 1.0f, (float)Math.Sin(Environment.TickCount / 1000.0f));
         device.Lights[0].Direction = new Vector3(1f, 1f, 1f);
         device.Lights[0].Enabled = true;//turn it on
      }
      protected override void OnPaint(PaintEventArgs e)
      {
         this.Render();
      }
      private void Render()//绘制场景
      {
         //OnFrameUpdate();
         device.Clear(ClearFlags.Target | ClearFlags.ZBuffer, System.Drawing.Color.Blue, 1.0f, 0);
         //Begin the scene
         device.BeginScene();
         SetupMatrices();
         SetupLights();
         foreach (PointObject obj in ObstacleList)
         {
            obj.Draw(this.device);
         }
         //End the scene
         device.EndScene();
         device.Present();
      }

      private void LoadDefaultOptions()
      {
      }

      private void creatToolStripMenuItem_Click_1(object sender, EventArgs e)
      {
         ObstacleList.Add(new PointObject());
                  }



}
}
显示是没有问题，但是移动窗口几下就报错在 device.Present();  在移动窗口的过程中，内存占用不断增大。为什么？有人能帮忙回答下么？

[ 本帖最后由 suisui2006 于 2007-12-16 23:38 编辑 ]