public void Draw()
{
bool isTexture = GL.IsEnabled(EnableCap.Texture2D);
//GL.Enable(EnableCap.DepthTest);
GL.Disable(EnableCap.Texture2D);
int minLayer;
int maxLayer;
{
if (DrawParts.Count > 0)
{
minLayer = DrawParts[0].Layer;
maxLayer = minLayer;
}
else
{
minLayer = 0; maxLayer = 0;
}
for (int idp = 1; idp < DrawParts.Count; idp++)
{
int layer = DrawParts[idp].Layer;
minLayer = (layer < minLayer) ? layer : minLayer;
maxLayer = (layer > maxLayer) ? layer : maxLayer;
}
}
double layerHeight = 1.0 / (maxLayer - minLayer + 1);
GL.LineWidth(1);
GL.Begin(PrimitiveType.Lines);
for (int idp = 0; idp < DrawParts.Count; idp++)
{
VectorFieldDrawPart dp = DrawParts[idp];
int layer = dp.Layer;
double height = (layer - minLayer) * layerHeight;
GL.Translate(0, 0, +height);
dp.DrawElements();
GL.Translate(0, 0, -height);
}
GL.End();
if (isTexture)
{
GL.Enable(EnableCap.Texture2D);
}
}
