/// <summary>
/// コンストラクタ
/// </summary>
public Form1()
{
InitializeComponent();
trackbars = new TrackBar[] { trbEyeX, trbEyeY, trbEyeZ,
trbTargetX, trbTargetY, trbTargetZ, trbUpX, trbUpY, trbUpZ };
labels = new Label[] { lblEyeX, lblEyeY, lblEyeZ,
lblTargetX, lblTargetY, lblTargetZ, lblUpX, lblUpY, lblUpZ };
for (int i = 0; i < trackbars.Length - 1; i++)
{
trackbars[i].Minimum = -(int)TRACKBAR_MAX;
trackbars[i].Maximum = (int)TRACKBAR_MAX;
}
pointList = MakePointList2();
param1 = new ViewPointParam();
param2 = new ViewPointParam();
glControl1.MouseWheel += new MouseEventHandler(glControl1_MouseWheel);
MouseWheel += new MouseEventHandler(glControl1_MouseWheel);
timer1.Start();
}
/// <summary>
/// 三次元描画用に初期化する
/// </summary>
/// <param name="width">描画領域幅</param>
/// <param name="height">描画領域高さ</param>
private void InitFor3D(float width, float height)
{
// クリア
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
// ビューポートの設定
GL.Viewport(0, 0, (int)width, (int)height);
// 視点の設定
ViewPointParam param = viewMode == 0 ? param1 : param2;
Matrix4 modelView = Matrix4.LookAt(param.Eye, param.Target, param.Up);
GL.MatrixMode(MatrixMode.Modelview);
GL.LoadMatrix(ref modelView);
// 射影の設定
Matrix4 projection = Matrix4.CreatePerspectiveFieldOfView(MathHelper.PiOver4, width / height, 1.0f, 64.0f);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadMatrix(ref projection);
// 陰面処理をONにする
GL.Enable(EnableCap.DepthTest);
// 物体の回転
if (viewMode == 0)
{
GL.Translate(-param.Eye.X, -param.Eye.Y, -param.Eye.Z);
GL.Rotate(beta, new Vector3d(1, 0, 0));
GL.Rotate(alpha, new Vector3d(0, 0, 1));
GL.Translate(param.Eye.X, param.Eye.Y, param.Eye.Z);
}
}