public static void Cull(CullMode cullMode)
{
if (_cull != cullMode)
{
switch (cullMode)
{
case CullMode.CullClockwiseFace:
GL11.FrontFace(All11.Ccw);
GL11.CullFace(All11.Back);
GL11.Enable(All11.CullFace);
break;
case CullMode.CullCounterClockwiseFace:
GL11.FrontFace(All11.Cw);
GL11.CullFace(All11.Back);
GL11.Enable(All11.CullFace);
break;
case CullMode.None:
GL11.Disable(All11.CullFace);
break;
}
_cull = cullMode;
}
}
public static void DepthTest(bool enable)
{
if (enable && (_depthTest != GLStateEnabled.True))
{
GL11.Enable(All11.DepthTest);
}
else
{
GL11.Disable(All11.DepthTest);
}
}
public static void Textures2D(bool enable)
{
if (enable && (_textures2D != GLStateEnabled.True))
{
GL11.Enable(All11.Texture2D);
}
else
{
GL11.Disable(All11.Texture2D);
}
}
public override void Render()
{
base.BeforeRender();
GL.Disable(All.Texture2D);
GL.Color4(FillColor.R, FillColor.G, FillColor.B, FillColor.A);
GL.Enable(All.Points);
GL.EnableClientState(All.VertexArray);
var vArray = new float[Stars.Count * 3];
for (var i = 0; i < Stars.Count; i++)
{
vArray[i * 3 + 0] = (float)(Stars[i].X + Position.X);
vArray[i * 3 + 1] = (float)(Stars[i].Y + Position.Y);
vArray[i * 3 + 2] = (float)(Stars[i].Z + Position.Z);
}
// pin the data, so that GC doesn't move them, while used
// by native code
unsafe
{
fixed(float *pv = vArray)
{
GL.VertexPointer(3, All.Float, 0, new IntPtr(pv));
GL.DrawArrays(All.Points, 0, 4);
GL.Finish();
}
}
GL.Enable(All.Texture2D);
GL.DisableClientState(All.VertexArray);
base.AfterRender();
}