Короче сел сегодня ночью изучать Direct X под C#. XNA как то заинтересовала, сунулся -- куча мусора. Хотя может не там смотрел? Может просто не до понял.
Ну и ладно. Короче, стал писать по книжке. В итоге, в рендере выходят странные артефакты. Может кто подскажет в чем косяк?
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// загрузка точек
Verts.Add(new CustomVertex.PositionColored(-1.0f, 1.0f, 1.0f, Color.Red.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, 1.0f, Color.Red.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, 1.0f, Color.Red.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, 1.0f, Color.Red.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, -1.0f, 1.0f, Color.Red.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, 1.0f, Color.Red.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, 1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, -1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, -1.0f, -1.0f, Color.Blue.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, 1.0f, 1.0f, Color.Yellow.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, -1.0f, Color.Yellow.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, 1.0f, -1.0f, Color.Yellow.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, 1.0f, 1.0f, Color.Yellow.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, 1.0f, Color.Yellow.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, 1.0f, -1.0f, Color.Yellow.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, 1.0f, Color.Black.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, -1.0f, Color.Black.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, -1.0f, -1.0f, Color.Black.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(-1.0f, -1.0f, 1.0f, Color.Black.ToArgb()));
Verts.Add(new CustomVertex.PositionColored(1.0f, -1.0f, -1.0f, Color.Black.ToArgb()));
// и т. д.
void InitializeCamera() {
videoCard.Transform.Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4,
this.Width / this.Height, 1.0f, 100f);
videoCard.Transform.View = Matrix.LookAtLH(new Vector3(0, 0, 10.0f), new Vector3(), new Vector3(0, 5, 0));
videoCard.RenderState.CullMode = Cull.None;
}
void InitializeBuffers() {
if (Verts.Count % 3 != 0) return;
vb = new VertexBuffer(typeof(CustomVertex.PositionColored), Verts.Count, videoCard, Usage.Dynamic | Usage.WriteOnly, CustomVertex.PositionColored.Format, Pool.Default);
vb.SetData(Verts.ToArray(), 0, LockFlags.None);
vb.Created += new EventHandler(vb_Created);
}
void vb_Created(object sender, EventArgs e) {
if (Verts.Count % 3 != 0) return;
vb = new VertexBuffer(typeof(CustomVertex.PositionColored), Verts.Count, videoCard, Usage.Dynamic | Usage.WriteOnly, CustomVertex.PositionColored.Format, Pool.Default);
vb.SetData(Verts.ToArray(), 0, LockFlags.None);
}
VertexBuffer vb = null;
List<CustomVertex.PositionColored> Verts = new List<CustomVertex.PositionColored>();
float angle = 0f;
private void RenderForm_Paint(object sender, PaintEventArgs e) {
videoCard.Clear(ClearFlags.Target, Color.SkyBlue, 1f, 0);
angle += 0.1f;
videoCard.RenderState.Lighting = false;
videoCard.Transform.World = Matrix.RotationAxis(new Vector3(angle / ((float)Math.PI * 2.0f),
angle / ((float)Math.PI * 4.0f), angle / ((float)Math.PI * 6.0f)),
angle / (float)Math.PI);
try {
videoCard.BeginScene();
videoCard.VertexFormat = CustomVertex.PositionColored.Format;
//videoCard.DrawUserPrimitives(PrimitiveType.TriangleList, 1, verts);
videoCard.SetStreamSource(0, vb, 0);
videoCard.DrawPrimitives(PrimitiveType.TriangleList, 0, Verts.Count / 3);
videoCard.EndScene();
videoCard.Present();
} catch (DirectXException ex) {
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.ErrorString);
Console.WriteLine(ex.Message);
}
this.Invalidate();
}
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