/// <summary>
/// rotate around X axis with default angle
/// </summary>
/// <param name="direction">minus or positive angle</param>
public void RotateX(bool direction)
{
if (direction)
{
m_currentUCS = m_currentUCS + RotateXUCS;
UpdateDisplayData(m_currentUCS);
}
else
{
m_currentUCS = m_currentUCS + RotateAntiXUCS;
UpdateDisplayData(m_currentUCS);
}
}
/// <summary>
/// update data according to current UCS
/// </summary>
/// <param name="lc"></param>
private void UpdateDisplayData(UCS lc)
{
m_curves.Clear();
foreach (List <Vector> iniVectors in m_iniCurves)
{
List <Vector> vectors = new List <Vector>();
m_curves.Add(vectors);
for (int i = 0; i < iniVectors.Count; i++)
{
// transform points to local coordinate system
vectors.Add(lc.GC2LC(iniVectors[i]));
}
}
// trigger update view event
if (null != UpdateViewEvent)
{
UpdateViewEvent();
}
}
/// <summary>
/// static constructor used to initialize static members
/// </summary>
static Graphics3DData()
{
// initialize small angle
double angle = RotateAngle;
double antiAngle = -RotateAngle;
double sin = Math.Sin(angle);
double cos = Math.Cos(angle);
double antiSin = Math.Sin(antiAngle);
double antiCos = Math.Cos(antiAngle);
// initialize 6 Rotate UCS
Vector origin = new Vector();
RotateXUCS =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, cos, sin));
RotateAntiXUCS =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, antiCos, antiSin));
RotateYUCS =
new UCS(origin, new Vector(cos, 0.0, -sin), new Vector(0.0, 1.0, 0.0));
RotateAntiYUCS =
new UCS(origin, new Vector(antiCos, 0.0, -antiSin), new Vector(0.0, 1.0, 0.0));
RotateZUCS =
new UCS(origin, new Vector(cos, sin, 0.0), new Vector(-sin, cos, 0.0));
RotateAntiZUCS =
new UCS(origin, new Vector(antiCos, antiSin, 0.0), new Vector(-antiSin, antiCos, 0.0));
// initialize 7 special UCS
SpecialUCSs[(int)ViewDirections.IsoMetric] = new UCS(origin,
new Vector(-0.408248290463863, 0.408248290463863, 0.816496580927726),
new Vector(0.707106781186548, 0.707106781186548, 0.0));
SpecialUCSs[(int)ViewDirections.Top] =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, 1.0, 0.0));
SpecialUCSs[(int)ViewDirections.Front] =
new UCS(origin, new Vector(-1.0, 0.0, 0.0), new Vector(0.0, 0.0, 1.0));
SpecialUCSs[(int)ViewDirections.Left] =
new UCS(origin, new Vector(0.0, -1.0, 0.0), new Vector(0.0, 0.0, 1.0));
SpecialUCSs[(int)ViewDirections.Right] =
new UCS(origin, new Vector(0.0, 1.0, 0.0), new Vector(0.0, 0.0, 1.0));
SpecialUCSs[(int)ViewDirections.Bottom] =
new UCS(origin, new Vector(-1.0, 0.0, 0.0), new Vector(0.0, 1.0, 0.0));
SpecialUCSs[(int)ViewDirections.Back] =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, 0.0, 1.0));
}
/// <summary>
/// change the camera direction to the geometry
/// </summary>
/// <param name="viewDirection">camera direction</param>
public void SetViewDirection(ViewDirections viewDirection)
{
m_currentUCS = SpecialUCSs[(int)viewDirection];
UpdateDisplayData(m_currentUCS);
}
/// <summary>
/// static constructor used to initialize static members
/// </summary>
static Graphics3DData()
{
// initialize small angle
double angle = RotateAngle;
double antiAngle = -RotateAngle;
double sin = Math.Sin(angle);
double cos = Math.Cos(angle);
double antiSin = Math.Sin(antiAngle);
double antiCos = Math.Cos(antiAngle);
// initialize 6 Rotate UCS
Vector origin = new Vector();
RotateXUCS =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, cos, sin));
RotateAntiXUCS =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, antiCos, antiSin));
RotateYUCS =
new UCS(origin, new Vector(cos, 0.0, -sin), new Vector(0.0, 1.0, 0.0));
RotateAntiYUCS =
new UCS(origin, new Vector(antiCos, 0.0, -antiSin), new Vector(0.0, 1.0, 0.0));
RotateZUCS =
new UCS(origin, new Vector(cos, sin, 0.0), new Vector(-sin, cos, 0.0));
RotateAntiZUCS =
new UCS(origin, new Vector(antiCos, antiSin, 0.0), new Vector(-antiSin, antiCos, 0.0));
// initialize 7 special UCS
SpecialUCSs[(int)ViewDirections.IsoMetric] = new UCS(origin,
new Vector(-0.408248290463863, 0.408248290463863, 0.816496580927726),
new Vector(0.707106781186548, 0.707106781186548, 0.0));
SpecialUCSs[(int)ViewDirections.Top] =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, 1.0, 0.0));
SpecialUCSs[(int)ViewDirections.Front] =
new UCS(origin, new Vector(-1.0, 0.0, 0.0), new Vector(0.0, 0.0, 1.0));
SpecialUCSs[(int)ViewDirections.Left] =
new UCS(origin, new Vector(0.0, -1.0, 0.0), new Vector(0.0, 0.0, 1.0));
SpecialUCSs[(int)ViewDirections.Right] =
new UCS(origin, new Vector(0.0, 1.0, 0.0), new Vector(0.0, 0.0, 1.0));
SpecialUCSs[(int)ViewDirections.Bottom] =
new UCS(origin, new Vector(-1.0, 0.0, 0.0), new Vector(0.0, 1.0, 0.0));
SpecialUCSs[(int)ViewDirections.Back] =
new UCS(origin, new Vector(1.0, 0.0, 0.0), new Vector(0.0, 0.0, 1.0));
}
/// <summary>
/// update data according to current UCS
/// </summary>
/// <param name="lc"></param>
private void UpdateDisplayData(UCS lc)
{
m_curves.Clear();
foreach (List<Vector> iniVectors in m_iniCurves)
{
List<Vector> vectors = new List<Vector>();
m_curves.Add(vectors);
for (int i = 0; i < iniVectors.Count; i++)
{
// transform points to local coordinate system
vectors.Add(lc.GC2LC(iniVectors[i]));
}
}
// trigger update view event
if (null != UpdateViewEvent)
{
UpdateViewEvent();
}
}
/// <summary>
/// change the camera direction to the geometry
/// </summary>
/// <param name="viewDirection">camera direction</param>
public void SetViewDirection(ViewDirections viewDirection)
{
m_currentUCS = SpecialUCSs[(int)viewDirection];
UpdateDisplayData(m_currentUCS);
}
/// <summary>
/// rotate around Z axis with default angle
/// </summary>
/// <param name="direction">minus or positive angle</param>
public void RotateZ(bool direction)
{
if (direction)
{
m_currentUCS = m_currentUCS + RotateZUCS;
UpdateDisplayData(m_currentUCS);
}
else
{
m_currentUCS = m_currentUCS + RotateAntiZUCS;
UpdateDisplayData(m_currentUCS);
}
}