00-04::WindowsForm note

advanced

00-04/00-04_main_note.cs

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+/**
+ * 参照設定 : OpenTK OpenTK.GLControl System System.Drawing System.Windows.Forms
+ */
+
+using System;
+using System.Windows.Forms;
+using OpenTK;
+using OpenTK.Graphics;
+using OpenTK.Graphics.OpenGL;
+
+namespace OpenTK_Sample
+{
+	public partial class WinForm : Form
+	{
+		//回転角を保持する変数
+		float deg1 = 0.0f;
+		float deg2 = 0.0f;
+		public WinForm()
+		{
+			//(デザイナで指定)800x600のウィンドウを作る。タイトルは「0-4:WindowsForm」
+			InitializeComponent();
+			//プログラムが暇なときに動作する
+			Application.Idle += (sender, e) =>
+			{
+				//2つのコントロールがアイドル状態なら両方描画
+				while (glControl1.IsIdle && glControl2.IsIdle)
+				{
+					Render1();
+
+					deg1 += (float)numericUpDown1.Value;
+					if (deg1 > 360.0f)
+						deg1 -= 360.0f;
+					if (deg1 < 0.0f)
+						deg1 += 360.0f;
+
+					Render2();
+
+					deg2 += (float)numericUpDown2.Value;
+					if (deg2 > 360.0f)
+						deg2 -= 360.0f;
+					if (deg2 < 0.0f)
+						deg2 += 360.0f;
+				}
+			};
+		}
+
+		//glControl1の起動時に実行される。
+		private void glControl1_Load(object sender, EventArgs e)
+		{
+			glControl1.MakeCurrent();	//OpenTKの処理先をglControl1に変更
+
+			GL.ClearColor(Color4.Black);
+			GL.Enable(EnableCap.DepthTest);
+		}
+
+		//glControl1のサイズ変更時に実行される。
+		private void glControl1_Resize(object sender, EventArgs e)
+		{
+			glControl1.MakeCurrent();	//OpenTKの処理先をglControl1に変更
+
+			GL.Viewport(0, 0, glControl1.Size.Width, glControl1.Size.Height);
+			GL.MatrixMode(MatrixMode.Projection);
+			Matrix4 projection = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, (float)glControl1.Size.Width / (float)glControl1.Size.Height, 1.0f, 64.0f);
+			GL.LoadMatrix(ref projection);
+		}
+
+		//glControl1の描画関数
+		private void Render1()
+		{
+			glControl1.MakeCurrent();	//OpenTKの処理先をglControl1に変更
+
+			GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
+
+			GL.MatrixMode(MatrixMode.Modelview);
+			Matrix4 modelview = Matrix4.LookAt(Vector3.Zero, Vector3.UnitZ, Vector3.UnitY);
+			GL.LoadMatrix(ref modelview);
+
+			GL.Rotate(deg1, Vector3.UnitZ);
+
+			GL.Begin(BeginMode.Quads);
+
+			GL.Color4(Color4.White);
+			GL.Vertex3(-1.0f, 1.0f, 4.0f);
+			GL.Color4(Color4.Red);
+			GL.Vertex3(-1.0f, -1.0f, 4.0f);
+			GL.Color4(Color4.Lime);
+			GL.Vertex3(1.0f, -1.0f, 4.0f);
+			GL.Color4(Color4.Blue);
+			GL.Vertex3(1.0f, 1.0f, 4.0f);
+
+			GL.End();
+			glControl1.SwapBuffers();
+		}
+
+		//glControl2の起動時に実行される
+		private void glControl2_Load(object sender, EventArgs e)
+		{
+			glControl2.MakeCurrent();	//OpenTKの処理先をglControl2に変更
+
+			GL.ClearColor(Color4.Black);
+			GL.Enable(EnableCap.DepthTest);
+		}
+
+		//glControl2のサイズ変更時に実行される
+		private void glControl2_Resize(object sender, EventArgs e)
+		{
+			glControl2.MakeCurrent();	//OpenTKの処理先をglControl2に変更
+
+			GL.Viewport(0, 0, glControl2.Size.Width, glControl2.Size.Height);
+			GL.MatrixMode(MatrixMode.Projection);
+			Matrix4 projection = Matrix4.CreatePerspectiveFieldOfView((float)Math.PI / 4, (float)glControl2.Size.Width / (float)glControl2.Size.Height, 1.0f, 64.0f);
+			GL.LoadMatrix(ref projection);
+
+		}
+
+		//glControl2の描画関数
+		private void Render2()
+		{
+			glControl2.MakeCurrent();	//OpenTKの処理先をglControl2に変更
+
+			GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
+
+			GL.MatrixMode(MatrixMode.Modelview);
+			Matrix4 modelview = Matrix4.LookAt(Vector3.Zero, Vector3.UnitZ, Vector3.UnitY);
+			GL.LoadMatrix(ref modelview);
+
+			GL.Rotate(deg2, Vector3.UnitZ);
+
+			GL.Begin(BeginMode.Quads);
+
+			GL.Color4(Color4.White);
+			GL.Vertex3(-1.0f, 1.0f, 4.0f);
+			GL.Color4(Color4.Red);
+			GL.Vertex3(-1.0f, -1.0f, 4.0f);
+			GL.Color4(Color4.Lime);
+			GL.Vertex3(1.0f, -1.0f, 4.0f);
+			GL.Color4(Color4.Blue);
+			GL.Vertex3(1.0f, 1.0f, 4.0f);
+
+			GL.End();
+			glControl2.SwapBuffers();
+		}
+	}
+
+	class OpenTK_Sample
+	{
+		[STAThread]
+		static int Main()
+		{
+			using (WinForm window = new WinForm())
+			{
+				window.ShowDialog();
+			}
+			return 0;
+		}
+	}
+}