vs2010でmanaged directx その3

概要

C#で、３Dやりたかった。
オブジェクトを、回す。

写真

サンプルコード

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

namespace WindowsFormsApplication3
{
    public partial class Form1 : Form
    {
        private Device device = null;
        private VertexBuffer buffer = null;
        public Form1()
        {
            InitializeComponent();
            this.SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.Opaque, true);
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            PresentParameters presentParams = new PresentParameters();
            presentParams.Windowed = true;
            presentParams.SwapEffect = SwapEffect.Discard;
            device = new Device(0, DeviceType.Hardware, this, CreateFlags.SoftwareVertexProcessing, presentParams);
            buffer = new VertexBuffer(typeof(CustomVertex.PositionColored), 3, device, Usage.Dynamic | Usage.WriteOnly, CustomVertex.PositionColored.Format, Pool.Default);
            CustomVertex.PositionColored[] verts = (CustomVertex.PositionColored[]) buffer.Lock(0, 0);
            verts[0].Position = new Vector3(0.0f, 1.0f, 1.0f);
            verts[0].Color = Color.BlueViolet.ToArgb();
            verts[1].Position = new Vector3(-1.0f, -1.0f, 1.0f);
            verts[1].Color = Color.GreenYellow.ToArgb();
            verts[2].Position = new Vector3(1.0f, -1.0f, 1.0f);
            verts[2].Color = Color.Red.ToArgb();
            buffer.Unlock();                
        }
        private void Form1_Paint(object sender, PaintEventArgs e)
        {
            device.Clear(ClearFlags.Target, Color.Blue, 1.0f, 0);
            int iTime = Environment.TickCount % 5000;
            float fAngle = iTime * (2.0f * (float) Math.PI) / 5000.0f;
            device.Transform.World = Matrix.RotationY(fAngle);
            device.Transform.View = Matrix.LookAtLH(new Vector3(0.0f, 1.0f, 4.0f), new Vector3(0.0f, 0.0f, 0.0f), new Vector3(0.0f, 1.0f, 0.0f));
            device.Transform.Projection = Matrix.PerspectiveFovLH((float) Math.PI / 4, 1.0f, 1.0f, 100.0f);
            device.RenderState.CullMode = Cull.None;
            device.RenderState.Lighting = false;    
            device.BeginScene();
            device.VertexFormat = CustomVertex.PositionColored.Format;
            device.SetStreamSource(0, buffer, 0);
            device.DrawPrimitives(PrimitiveType.TriangleList, 0, 1);
            device.EndScene();
            device.Present();
            this.Invalidate();
        }
    }
}

以上。