/// <summary>
/// OpenGLの初期設定を行います。
/// </summary>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
if (IsDesignMode)
{
return;
}
GLWrap.Wrap(() => GL.Enable(EnableCap.Texture2D));
GLWrap.Wrap(() => GL.Enable(EnableCap.Blend));
GLWrap.Wrap(() => GL.Disable(EnableCap.Lighting));
GLWrap.Wrap(() => GL.Enable(EnableCap.CullFace));
GLWrap.Wrap(() => GL.CullFace(CullFaceMode.Back));
//GLWrap.Wrap(() => GL.Hint(HintTarget.PerspectiveCorrectionHint, HintMode.Fastest));
// 背景色の更新
BackColorChanged += OnBackColorChanged;
GLElements
.Where(_ => _ != null)
.ForEach(_ => _.InitializeOpenGL(this));
this.glInitialized = true;
// Viewportを更新しておきます。
UpdateViewport();
}
/// <summary>
/// OpenGLのClearColorを更新します。
/// </summary>
private void OnBackColorChanged(object sender, EventArgs e)
{
GLWrap.Wrap(() => GL.ClearColor(
MathEx.Between(0.0f, 1.0f, BackColor.R / 255.0f),
MathEx.Between(0.0f, 1.0f, BackColor.G / 255.0f),
MathEx.Between(0.0f, 1.0f, BackColor.B / 255.0f),
MathEx.Between(0.0f, 1.0f, BackColor.A / 255.0f)));
}
/// <summary>
/// 投影行列の更新を行います。
/// </summary>
private void UpdateViewport()
{
if (IsDesignMode || Context == null)
{
return;
}
GLWrap.Wrap(() => GL.Viewport(0, 0, Width, Height));
GLWrap.Wrap(() => GL.MatrixMode(MatrixMode.Projection));
GLWrap.Wrap(() => GL.LoadIdentity());
GLWrap.Wrap(() => GL.Ortho(0, ScreenWidth, ScreenHeight, 0, -1000, +1000));
GLWrap.Wrap(() => GL.MatrixMode(MatrixMode.Modelview));
GLWrap.Wrap(() => GL.LoadIdentity());
}
/// <summary>
/// 描画処理を行います。
/// </summary>
public void DoRender()
{
if (IsDesignMode)
{
return;
}
MakeCurrent();
GLWrap.Wrap(() => GL.Clear(ClearBufferMask.ColorBufferBit));
GLWrap.Wrap(() => GL.LoadIdentity());
this.renderBuffer.Render();
GLElements
.Where(_ => _ != null)
.ForEach(_ => _.DoRender());
SwapBuffers();
}
