67 lines
1.6 KiB
C#
67 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using OpenTK;
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using OpenTK.OpenGL;
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namespace Examples.Tests
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{
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public class S03_Stack_Imbalance : GameWindow//, IExample
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{
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public S03_Stack_Imbalance()
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{
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this.CreateWindow(new DisplayMode(800, 600));
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}
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#region IExample Members
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public void Launch()
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{
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this.Run();
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}
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#endregion
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protected override void OnResize(OpenTK.Platform.ResizeEventArgs e)
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{
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GL.Ortho(-1.0, 1.0, -1.0, 1.0, 1.0, 32.0);
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base.OnResize(e);
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}
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float[] proj = new float[16];
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public override void OnRenderFrame(EventArgs e)
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{
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GL.Clear(GL.Enums.ClearBufferMask.COLOR_BUFFER_BIT);
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GL.GetFloat(GL.Enums.GetPName.PROJECTION_MATRIX, proj);
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float sum = 0.0f;
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for (int i = 0; i < 16; i++)
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{
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sum += proj[i];
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}
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if (sum == 0)
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{
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throw new Exception("GetFloat did not return anything!");
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}
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GL.Begin(GL.Enums.BeginMode.TRIANGLES);
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GL.Color3(System.Drawing.Color.Chartreuse);
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GL.Vertex3(-1.0, -1.0, 2.0);
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GL.Color3(System.Drawing.Color.Crimson);
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GL.Vertex3( 1.0, -1.0, 2.0);
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GL.Color3(System.Drawing.Color.DarkGoldenrod);
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GL.Vertex3( 0.0, 1.0, 2.0);
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GL.End();
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Context.SwapBuffers();
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base.OnRenderFrame(e);
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}
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}
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}
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