public void OnMouseMove(Point pt, Viewport3D viewport3d, Int32 nModelIndex)
{
if (nModelIndex != -1)
{
var meshGeometry = Model3D.GetGeometry(viewport3d, nModelIndex);
if (meshGeometry != null)
{
var pt2 = TransformMatrix.ScreenPtToViewportPt(pt, viewport3d);
_x2 = pt2.X;
_y2 = pt2.Y;
SetRect();
UpdatePositions(meshGeometry);
}
}
}
// add the axes mesh to the Mesh3D array
// if you are using the projection matrix which is not uniform along all the axess, you need change this function
public void AddAxesMeshes(ArrayList meshs)
{
if (!m_bUseAxes)
{
return;
}
float radius = (m_xAxisLength + m_yAxisLength + m_zAxisLength) / (3 * m_axisLengthWidthRatio);
Mesh3D xAxisCylinder = new Cylinder3D(radius, radius, m_xAxisLength, 6);
xAxisCylinder.SetColor(m_axisColor);
TransformMatrix.Transform(xAxisCylinder, new Point3D(m_xAxisCenter + m_xAxisLength / 2, m_yAxisCenter, m_zAxisCenter), 0, 90);
meshs.Add(xAxisCylinder);
Mesh3D xAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
xAxisCone.SetColor(m_axisColor);
TransformMatrix.Transform(xAxisCone, new Point3D(m_xAxisCenter + m_xAxisLength, m_yAxisCenter, m_zAxisCenter), 0, 90);
meshs.Add(xAxisCone);
Mesh3D yAxisCylinder = new Cylinder3D(radius, radius, m_yAxisLength, 6);
yAxisCylinder.SetColor(m_axisColor);
TransformMatrix.Transform(yAxisCylinder, new Point3D(m_xAxisCenter, m_yAxisCenter + m_yAxisLength / 2, m_zAxisCenter), 90, 90);
meshs.Add(yAxisCylinder);
Mesh3D yAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
yAxisCone.SetColor(m_axisColor);
TransformMatrix.Transform(yAxisCone, new Point3D(m_xAxisCenter, m_yAxisCenter + m_yAxisLength, m_zAxisCenter), 90, 90);
meshs.Add(yAxisCone);
Mesh3D zAxisCylinder = new Cylinder3D(radius, radius, m_zAxisLength, 6);
zAxisCylinder.SetColor(m_axisColor);
TransformMatrix.Transform(zAxisCylinder, new Point3D(m_xAxisCenter, m_yAxisCenter, m_zAxisCenter + m_zAxisLength / 2), 0, 0);
meshs.Add(zAxisCylinder);
Mesh3D zAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
zAxisCone.SetColor(m_axisColor);
TransformMatrix.Transform(zAxisCone, new Point3D(m_xAxisCenter, m_yAxisCenter, m_zAxisCenter + m_zAxisLength), 0, 0);
meshs.Add(zAxisCone);
}
// add the axes mesh to the Mesh3D array
// if you are using the projection matrix which is not uniform along all the axess, you need change this function
public void AddAxesMeshes(ArrayList meshs)
{
if (!_mBUseAxes)
{
return;
}
var radius = (_mXAxisLength + _mYAxisLength + _mZAxisLength) / (3 * m_axisLengthWidthRatio);
Mesh3D xAxisCylinder = new Cylinder3D(radius, radius, _mXAxisLength, 6);
xAxisCylinder.SetColor(MAxisColor);
TransformMatrix.Transform(xAxisCylinder, new Point3D(_mXAxisCenter + _mXAxisLength / 2, _mYAxisCenter, _mZAxisCenter), 0, 90);
meshs.Add(xAxisCylinder);
Mesh3D xAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
xAxisCone.SetColor(MAxisColor);
TransformMatrix.Transform(xAxisCone, new Point3D(_mXAxisCenter + _mXAxisLength, _mYAxisCenter, _mZAxisCenter), 0, 90);
meshs.Add(xAxisCone);
Mesh3D yAxisCylinder = new Cylinder3D(radius, radius, _mYAxisLength, 6);
yAxisCylinder.SetColor(MAxisColor);
TransformMatrix.Transform(yAxisCylinder, new Point3D(_mXAxisCenter, _mYAxisCenter + _mYAxisLength / 2, _mZAxisCenter), 90, 90);
meshs.Add(yAxisCylinder);
Mesh3D yAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
yAxisCone.SetColor(MAxisColor);
TransformMatrix.Transform(yAxisCone, new Point3D(_mXAxisCenter, _mYAxisCenter + _mYAxisLength, _mZAxisCenter), 90, 90);
meshs.Add(yAxisCone);
Mesh3D zAxisCylinder = new Cylinder3D(radius, radius, _mZAxisLength, 6);
zAxisCylinder.SetColor(MAxisColor);
TransformMatrix.Transform(zAxisCylinder, new Point3D(_mXAxisCenter, _mYAxisCenter, _mZAxisCenter + _mZAxisLength / 2), 0, 0);
meshs.Add(zAxisCylinder);
Mesh3D zAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
zAxisCone.SetColor(MAxisColor);
TransformMatrix.Transform(zAxisCone, new Point3D(_mXAxisCenter, _mYAxisCenter, _mZAxisCenter + _mZAxisLength), 0, 0);
meshs.Add(zAxisCone);
}
public override void Select(ViewportRect rect, TransformMatrix matrix, Viewport3D viewport3d)
{
var nDotNo = GetDataNo();
if (nDotNo != 0)
{
var xMin = rect.MinX();
var xMax = rect.MaxX();
var yMin = rect.MinY();
var yMax = rect.MaxY();
for (var i = 0; i < nDotNo; i++)
{
var pt = matrix.VertexToViewportPt(new Point3D(_vertices[i].X, _vertices[i].Y, _vertices[i].Z), viewport3d);
_vertices[i].IsSelected = (pt.X > xMin) && (pt.X < xMax) && (pt.Y > yMin) && (pt.Y < yMax);
}
}
}
public void AddAxesMeshes(List <Mesh3D> meshs)
{
if (_bUseAxes)
{
var radius = (_xAxisLength + _yAxisLength + _zAxisLength) / (3 * _axisLengthWidthRatio);
var xAxisCylinder = new Cylinder3D(radius, radius, _xAxisLength, 6);
xAxisCylinder.SetColor(_axisColor);
TransformMatrix.Transform(xAxisCylinder, new Point3D(_xAxisCenter + _xAxisLength / 2, _yAxisCenter, _zAxisCenter), 0, 90);
meshs.Add(xAxisCylinder);
var xAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
xAxisCone.SetColor(_axisColor);
TransformMatrix.Transform(xAxisCone, new Point3D(_xAxisCenter + _xAxisLength, _yAxisCenter, _zAxisCenter), 0, 90);
meshs.Add(xAxisCone);
var yAxisCylinder = new Cylinder3D(radius, radius, _yAxisLength, 6);
yAxisCylinder.SetColor(_axisColor);
TransformMatrix.Transform(yAxisCylinder, new Point3D(_xAxisCenter, _yAxisCenter + _yAxisLength / 2, _zAxisCenter), 90, 90);
meshs.Add(yAxisCylinder);
var yAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
yAxisCone.SetColor(_axisColor);
TransformMatrix.Transform(yAxisCone, new Point3D(_xAxisCenter, _yAxisCenter + _yAxisLength, _zAxisCenter), 90, 90);
meshs.Add(yAxisCone);
var zAxisCylinder = new Cylinder3D(radius, radius, _zAxisLength, 6);
zAxisCylinder.SetColor(_axisColor);
TransformMatrix.Transform(zAxisCylinder, new Point3D(_xAxisCenter, _yAxisCenter, _zAxisCenter + _zAxisLength / 2), 0, 0);
meshs.Add(zAxisCylinder);
var zAxisCone = new Cone3D(2 * radius, 2 * radius, radius * 5, 6);
zAxisCone.SetColor(_axisColor);
TransformMatrix.Transform(zAxisCone, new Point3D(_xAxisCenter, _yAxisCenter, _zAxisCenter + _zAxisLength), 0, 0);
meshs.Add(zAxisCone);
}
}
// select
public virtual void Select(ViewportRect rect, TransformMatrix matrix, Viewport3D viewport3d)
{
}
// convert the 3D scatter plot into a array of Mesh3D object
public ArrayList GetMeshes()
{
var nDotNo = GetDataNo();
if (nDotNo == 0)
{
return(null);
}
var meshs = new ArrayList();
var nVertIndex = 0;
for (var i = 0; i < nDotNo; i++)
{
var plotItem = Get(i);
if (plotItem == null)
{
continue;
}
var nType = plotItem.shape % ShapeNo;
var w = plotItem.w;
var h = plotItem.h;
Mesh3D dot;
MVertices[i].nMinI = nVertIndex;
switch (nType)
{
case (int)Shape.Bar:
dot = new Bar3D(0, 0, 0, w, w, h);
break;
case (int)Shape.Cone:
dot = new Cone3D(w, w, h, 7);
break;
case (int)Shape.Cylinder:
dot = new Cylinder3D(w, w, h, 7);
break;
case (int)Shape.Ellipse:
dot = new Ellipse3D(w, w, h, 7);
break;
case (int)Shape.Pyramid:
dot = new Pyramid3D(w, w, h);
break;
default:
dot = new Bar3D(0, 0, 0, w, w, h);
break;
}
nVertIndex += dot.GetVertexNo();
MVertices[i].nMaxI = nVertIndex - 1;
TransformMatrix.Transform(dot, new Point3D(plotItem.x, plotItem.y, plotItem.z), 0, 0);
dot.SetColor(plotItem.color);
meshs.Add(dot);
}
AddAxesMeshes(meshs);
return(meshs);
}
