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Added some debug information. Updated to use the new Shapes.Cube interface.

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This commit is contained in:
the_fiddler 2007-09-30 12:35:35 +00:00
parent 6341ced26c
commit 53bd24ac16
1 changed files with 77 additions and 13 deletions
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90
Source/Examples/Tutorial/T02_Vertex_Arrays.cs
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@ -12,6 +12,7 @@ using System.Threading;
using OpenTK;
using OpenTK.OpenGL;
using System.Diagnostics;
namespace Examples.Tutorial
{
@ -20,13 +21,20 @@ namespace Examples.Tutorial
/// </summary>
class T02_Vertex_Arrays : GameWindow, IExample
{
float angle;
float angle_speed = 3.0f;
float angle = 0.0f;
Shapes.Shape shape = new Examples.Shapes.Plane(16, 16, 2.0f, 2.0f);
System.Threading.Timer info_timer;
#region Constructor
public T02_Vertex_Arrays()
{
this.CreateWindow(new DisplayMode(800, 600));
//Thread.CurrentThread.Priority = ThreadPriority.AboveNormal;
//this.VSync = VSyncMode.Off;
}
#endregion
@ -41,13 +49,30 @@ namespace Examples.Tutorial
GL.Enable(GL.Enums.EnableCap.DEPTH_TEST);
GL.EnableClientState(GL.Enums.EnableCap.VERTEX_ARRAY);
GL.EnableClientState(GL.Enums.EnableCap.COLOR_ARRAY);
GL.VertexPointer(3, GL.Enums.VertexPointerType.FLOAT, 0, Shapes.Cube.Vertices);
GL.ColorPointer(4, GL.Enums.ColorPointerType.UNSIGNED_BYTE, 0, Shapes.Cube.Colors);
//GL.EnableClientState(GL.Enums.EnableCap.COLOR_ARRAY);
GL.VertexPointer(3, GL.Enums.VertexPointerType.FLOAT, 0, shape.Vertices);
//GL.ColorPointer(4, GL.Enums.ColorPointerType.UNSIGNED_BYTE, 0, shape.Colors);
factor_target = TargetRenderPeriod / TargetUpdatePeriod;
info_timer = new Timer(new TimerCallback(PrintDebugInfo), null, 1000, 1000);
}
double factor_target;
void PrintDebugInfo(object o)
{
double factor = RenderPeriod / UpdatePeriod;
Debug.Print("NORMAL: Frame: {0} ({1}), Update: {2} ({3}), Factor: {4}, Error: {5}",
RenderPeriod.ToString("g8"), RenderFrequency.ToString("g3"), UpdatePeriod.ToString("g8"), UpdateFrequency.ToString("g3"),
factor.ToString("g8"), Math.Abs(factor_target - factor).ToString("g8"));
}
#endregion
public override void OnUnload(EventArgs e)
{
info_timer.Dispose();
}
#region OnResize
/// <summary>
@ -95,10 +120,21 @@ namespace Examples.Tutorial
Fullscreen = !Fullscreen;
}
//angle += 180.0f * (float)e.Time;
angle += 3.0f;
if (angle > 720.0f)
angle -= 720.0f;
if (Keyboard[OpenTK.Input.Key.Plus])
TargetRenderFrequency++;
else if (Keyboard[OpenTK.Input.Key.Minus])
TargetRenderFrequency--;
else if (Keyboard[OpenTK.Input.Key.PageUp])
TargetUpdateFrequency++;
else if (Keyboard[OpenTK.Input.Key.PageDown])
TargetUpdateFrequency--;
if (Keyboard[OpenTK.Input.Key.Space])
angle_speed = 12.0f;
else
angle_speed = 3.0f;
//angle += angle_speed;
}
#endregion
@ -119,12 +155,40 @@ namespace Examples.Tutorial
0.0, 0.0, 0.0,
0.0, 1.0, 0.0
);
//angle += angle_speed * (float)(UpdateFrequency / RenderFrequency);
//if (e.Time != 0.0)
if (Math.Abs(e.ScaleFactor - factor_target) > 0.5)
{
/*Debug.Print("JITTER: Frame: {0} ({1}), Update: {2} ({3}), Factor: {4}, Error: {5}",
RenderPeriod.ToString("g8"), RenderFrequency.ToString("g3"), UpdatePeriod.ToString("g8"), UpdateFrequency.ToString("g3"),
e.ScaleFactor.ToString("g8"), Math.Abs(factor_target - e.ScaleFactor).ToString("g8"));*/
}
angle += angle_speed * (float)e.ScaleFactor;
//angle += angle_speed * (float)e.Time;
if (angle >= 360.0f)
angle -= 360.0f;
GL.Rotate(angle, 0.0f, 1.0f, 0.0f);
GL.DrawElements(GL.Enums.BeginMode.TRIANGLES, Shapes.Cube.Indices.Length,
GL.Enums.All.UNSIGNED_SHORT, Shapes.Cube.Indices);
GL.DrawElements(GL.Enums.BeginMode.TRIANGLES, shape.Indices.Length,
GL.Enums.All.UNSIGNED_INT, shape.Indices);
Context.SwapBuffers();
// GL.DrawArrays(GL.Enums.BeginMode.LINES, 0, shape.Vertices.Length);
GL.Begin(GL.Enums.BeginMode.TRIANGLES);
GL.Vertex3(-1.0, -1.0, 5.0);
GL.Vertex3(1.0, -1.0, 5.0);
GL.Vertex3(1.0, 1.0, 5.0);
GL.End();
int zero = GC.CollectionCount(0);
int one = GC.CollectionCount(1);
int two = GC.CollectionCount(2);
SwapBuffers();
//Thread.Sleep(25);
}
#endregion
@ -139,8 +203,8 @@ namespace Examples.Tutorial
/// </remarks>
public void Launch()
{
// Lock UpdateFrame and RenderFrame at 60Hz.
Run(60.0, 60.0);
// Lock UpdateFrame rate at 30Hz and RenderFrame rate 85Hz.
Run(30.0, 20.0);
}
#endregion