private static Visual3D GetHoverVisual(Axis3DProps axis, Bar3DProps bar, bool isHover)
{
//TODO:
// probably a flattened semitransparent dome over top and bottom of bar
// or maybe a semitransparent plate that hovers over top and bottom of bar
double halfBarSize = axis.BarSize / 2d;
double x = -axis.HalfX + (bar.X * axis.BarSize) + halfBarSize;
double y = axis.HalfY - (bar.Y * axis.BarSize) - halfBarSize;
double zPos = axis.AxisOffset + (axis.ZHeight * 1.5);
double zNeg;
if (axis.AxisOffset.IsNearZero())
{
zNeg = -zPos;
}
else
{
zNeg = axis.AxisOffset - (axis.ZHeight * .1);
}
ScreenSpaceLines3D retVal = new ScreenSpaceLines3D();
if (isHover)
{
retVal.Color = UtilityWPF.AlphaBlend(Colors.LimeGreen, Colors.Gray, .33);
retVal.Thickness = 1.5;
}
else
{
retVal.Color = Colors.LimeGreen;
retVal.Thickness = 4;
}
retVal.AddLine(new Point3D(x, y, zNeg), new Point3D(x, y, zPos));
return retVal;
}
private Bar3DProps[] GetSurroundingBars(Bar3DProps bar, int brushSize, bool isCircle = true)
{
int half = brushSize / 2;
if (brushSize % 2 == 0)
{
half--; // without this, the box will be shifted up/left one more than is intuitive (the rectange will still be the same size)
}
Point center = brushSize % 2 == 0 ?
new Point(bar.X + 1, bar.Y + 1) : // the center of the circle sits at the corner one pixel over
new Point(bar.X + .5, bar.Y + .5); // the center of the circle sits at the center of a pixel (pixel width of one)
double radiusSquared = (brushSize / 2d) * (brushSize / 2d);
RectInt rect = RectInt.Intersect(new RectInt(bar.X - half, bar.Y - half, brushSize, brushSize), new RectInt(_width, _height)).Value;
List<Bar3DProps> retVal = new List<Bar3DProps>();
for (int y = rect.Top; y < rect.Bottom; y++)
{
int offsetY = y * _width;
for (int x = rect.Left; x < rect.Right; x++)
{
if (isCircle && (center - new Point(x + .5, y + .5)).LengthSquared > radiusSquared)
{
continue;
}
Bar3DProps barAdd = _bars.Bars[offsetY + x];
if (barAdd.X != x || barAdd.Y != y)
{
throw new ApplicationException("Bar isn't where it should be");
}
retVal.Add(barAdd);
}
}
return retVal.ToArray();
}
private static Bar3DProps RebuildBars_Bar(Axis3DProps axis, AllBar3D bars, int index, int x, int y, double value)
{
Bar3DProps retVal = new Bar3DProps(axis, bars, index, x, y);
retVal.Model = new GeometryModel3D();
//NOTE: Material is updated by bars.UpdateColors
double xPos = -axis.HalfX + (x * axis.BarSize);
double yPos = axis.HalfY - (y * axis.BarSize);
retVal.Model.Geometry = UtilityWPF.GetCube(new Point3D(xPos, yPos, 0), new Point3D(xPos + axis.BarSize, yPos - axis.BarSize, 1));
Transform3DGroup transform = new Transform3DGroup();
retVal.HeightTransform = new ScaleTransform3D(1, 1, 1);
transform.Children.Add(retVal.HeightTransform);
transform.Children.Add(new TranslateTransform3D(0, 0, axis.AxisOffset));
retVal.Model.Transform = transform;
retVal.Height = value;
return retVal;
}
private void RebuildBars_WRONGY()
{
if (_axis == null)
{
return;
}
if (_bars != null)
{
_viewport.Children.Remove(_bars.Visual);
_bars = null;
}
AllBar3D bars = new AllBar3D();
bars.Models = new Model3DGroup();
List<Bar3DProps> individualBars = new List<Bar3DProps>();
for (int y = 0; y < _height; y++)
{
int indexOffset = y * _width;
for (int x = 0; x < _width; x++)
{
Bar3DProps bar = new Bar3DProps(_axis, bars, indexOffset + x, x, y);
bar.Model = new GeometryModel3D();
//NOTE: Material is updated by bar.Height set
double xPos = -_axis.HalfX + (x * _axis.BarSize);
double yPos = -_axis.HalfY + (y * _axis.BarSize);
bar.Model.Geometry = UtilityWPF.GetCube(new Point3D(xPos, yPos, 0), new Point3D(xPos + _axis.BarSize, yPos + _axis.BarSize, 1));
Transform3DGroup transform = new Transform3DGroup();
bar.HeightTransform = new ScaleTransform3D(1, 1, 1);
transform.Children.Add(bar.HeightTransform);
transform.Children.Add(new TranslateTransform3D(0, 0, _axis.AxisOffset));
bar.Model.Transform = transform;
bar.Height = _values[indexOffset + x];
bars.Models.Children.Add(bar.Model);
individualBars.Add(bar);
}
}
bars.Bars = individualBars.ToArray();
ModelVisual3D visual = new ModelVisual3D();
visual.Content = bars.Models;
bars.Visual = visual;
_bars = bars;
_viewport.Children.Add(_bars.Visual);
}
private void RemoveSelected(Bar3DProps bar)
{
for (int cntr = 0; cntr < _bars.Selected.Count; cntr++)
{
if (_bars.Selected[cntr].Item1 == bar.Index)
{
_viewport.Children.Remove(_bars.Selected[cntr].Item2);
_bars.Selected.RemoveAt(cntr);
break;
}
}
if (_bars.Selected.Count == 0)
{
DisableSelectedControls();
}
}
private void AddSelected(Bar3DProps bar)
{
// Get a new visual
Visual3D visual = GetHoverVisual(_axis, bar, false);
// Store it
_viewport.Children.Add(visual);
_bars.Selected.Add(Tuple.Create(bar.Index, visual));
#region Update controls
_isProgramaticallyChangingSettings = true;
// Textbox
txtHeight3D.Text = bar.Height.ToStringSignificantDigits(3);
// Slider
if (radRangeZeroPos.IsChecked.Value)
{
trkHeight3D.Minimum = 0;
trkHeight3D.Maximum = 1;
}
else
{
trkHeight3D.Minimum = -1;
trkHeight3D.Maximum = 1;
}
trkHeight3D.Value = bar.Height;
grdSettings3D.IsEnabled = true;
_isProgramaticallyChangingSettings = false;
#endregion
}
private void SelectUnselect(Bar3DProps overBar)
{
foreach (Bar3DProps bar in GetSurroundingBars(overBar, trkBrushSize.Value.ToInt_Round()))
{
bool isSelected = _bars.Selected.Any(o => o.Item1 == bar.Index);
if (_isDragRemoving && isSelected)
{
RemoveSelected(bar);
}
else if (!_isDragRemoving && !isSelected)
{
AddSelected(bar);
}
}
}
