public void Show()
{
GL.EnableClientState(ArrayCap.VertexArray);
GL.EnableClientState(ArrayCap.NormalArray);
GL.EnableClientState(ArrayCap.TextureCoordArray);
GL.ClientActiveTexture(TextureUnit.Texture0);
GL.BindBuffer(BufferTarget.ArrayBuffer, IdVertexBuffer);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, IdIndexBuffer);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, ModelPoint.Size(), ModelPoint.CoordinatesOffset());
GL.NormalPointer(NormalPointerType.Float, ModelPoint.Size(), ModelPoint.NormalsOffset());
GL.TexCoordPointer(2, TexCoordPointerType.Float, ModelPoint.Size(), ModelPoint.TexCoordsOffset());
switch (OutputMode)
{
case OutputMode.Triangles:
GL.DrawElements(PrimitiveType.Triangles, indices.Length, DrawElementsType.UnsignedShort, 0);
break;
case OutputMode.Lines:
GL.DrawElements(PrimitiveType.Lines, indices.Length, DrawElementsType.UnsignedShort, 0);
break;
default:
GL.DrawElements(PrimitiveType.Triangles, indices.Length, DrawElementsType.UnsignedShort, 0);
break;
}
GL.DisableClientState(ArrayCap.VertexArray);
GL.DisableClientState(ArrayCap.NormalArray);
GL.DisableClientState(ArrayCap.TextureCoordArray);
}
private void InitializeVBO()
{
IdVertexBuffer = GL.GenBuffer();
IdIndexBuffer = GL.GenBuffer();
GL.BindBuffer(BufferTarget.ArrayBuffer, IdVertexBuffer);
GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(points.Length * ModelPoint.Size()), points, BufferUsageHint.StaticDraw);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, IdIndexBuffer);
GL.EnableVertexAttribArray(0);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, false, ModelPoint.Size(), 0);
GL.BufferData(BufferTarget.ElementArrayBuffer, (IntPtr)(indices.Length * sizeof(ushort)), indices, BufferUsageHint.StaticDraw);
}