public void Update(FEWorld world)
{
for (int idp = 0; idp < DrawParts.Count; idp++)
{
VectorFieldDrawPart dp = DrawParts[idp];
dp.Update(ValueId, ValueDt, Type, world);
}
}
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);
}
}
public VectorFieldDrawPart(VectorFieldDrawPart src)
{
MeshId = src.MeshId;
Type = src.Type;
Layer = src.Layer;
ElemCount = src.ElemCount;
ValueDof = src.ValueDof;
Coords = null;
if (src.Coords != null)
{
Coords = new double[src.Coords.Length];
src.Coords.CopyTo(Coords, 0);
}
Values = null;
if (src.Values != null)
{
Values = new double[src.Values.Length];
src.Values.CopyTo(Values, 0);
}
DrawerType = src.DrawerType;
}
private void Set(uint valueId, FieldDerivativeType valueDt, FEWorld world)
{
System.Diagnostics.Debug.Assert(world.IsFieldValueId(valueId));
ValueId = valueId;
var mesh = world.Mesh;
uint dim = world.Dimension;
{
if (dim == 2)
{
SutableRotMode = RotMode.RotMode2D;
}
else if (dim == 3)
{
SutableRotMode = RotMode.RotMode3D;
}
}
FieldValue fv = world.GetFieldValue(valueId);
if (fv.Type == FieldValueType.Vector2 || fv.Type == FieldValueType.Vector3)
{
Type = VectorFieldDrawerType.Vector;
}
else if (fv.Type == FieldValueType.SymmetricTensor2)
{
Type = VectorFieldDrawerType.SymmetricTensor2;
}
{
DrawParts.Clear();
IList <uint> meshIds = mesh.GetIds();
foreach (uint meshId in meshIds)
{
VectorFieldDrawPart dp = new VectorFieldDrawPart(meshId, world);
DrawParts.Add(dp);
}
}
Update(world);
}
