public ViewerControl(ModelingHistory history) :
base(new GraphicsMode(m_GLColorFormat, m_GLDepth, m_GLStencil, m_GLSamples, 48, 2, m_GLStereo), 3, 0, GraphicsContextFlags.Debug)
{
hist = history;
//clusters = hist.Layers.GetClusters();
clusters = hist.Layers.GetClusteringLayer(currentClusterLayer).clusters;
this.SuspendLayout();
this.BackColor = System.Drawing.Color.DimGray;
this.ResumeLayout(false);
base.CreateControl();
this.Cursor = Cursors.Cross;
VSync = false;
//setup viewables
SetCluster();
//setup camera
m_Camera.Width = Width;
m_Camera.Height = Height;
m_Camera.Set(new Vec3f(), Quatf.AxisAngleToQuatf(Vec3f.Z, -45), 10, false);
//m_RefreshTimer.Elapsed += delegate { RefreshControl(); };
}
/// <summary>
/// Orbit Camera Position around Target, maintaining distance to Target and the Up vector
/// </summary>
/// <param name="theta_degrees">
/// A <see cref="System.Double"/>
/// </param>
public void OrbitTarget(double theta_degrees)
{
double theta = theta_degrees * Math.PI / 180.0;
Quatf newrot = qrot * Quatf.AxisAngleToQuatf(NaturalUp.Val, (float)theta);
Set(Target.Val, newrot, dist);
}
/// <summary>
/// Pan the Camera around the Up vector by <c>theta_degrees</c> degrees.
/// </summary>
/// <param name="theta_degrees">
/// A <see cref="System.Double"/>
/// </param>
public void RotatecAboutAxis(Vec3f axis, double theta_degrees)
{
double theta = theta_degrees * Math.PI / 180;
Vec3f tar = Quatf.AxisAngleToQuatf(axis, (float)theta).Rotate(Forward.Val * dist) + Position.Val;
Set(tar, qrot * Quatf.AxisAngleToQuatf(axis, (float)theta), dist);
}
public void OrbitTargetUpDown(double theta_degrees, bool clampflips = false)
{
double theta = theta_degrees * Math.PI / 180.0;
Quatf newrot = qrot * Quatf.AxisAngleToQuatf(GetRight(), (float)theta);
//if (clampflips)
//{
// Vec3f newup = Vec3f.Normalize(newrot.Rotate(Vec3f.Y));
// float dot = FMath.PI / 2.0f - Vec3f.AngleBetween(newup, NaturalUp);
// if (dot < 0)
// {
// Vec3f newforward = Vec3f.Normalize(newrot.Rotate(-Vec3f.Z));
// Vec3f newright = newforward ^ newup;
// float sign = -Math.Sign(newforward % NaturalUp);
// newrot = newrot * Quatf.RotAxisAngleToQuatf(newright, dot * sign);
// }
//}
Set(Target, newrot, dist);
}
/*public void OrbitTargetUpDownNatural( double theta_degrees )
* {
* float fn = Forward.Val % NaturalUp.Val;
* if( ( theta_degrees < 0.0 && fn >= 0.95f ) || ( theta_degrees > 0.0 && fn <= -0.95f ) ) return;
*
* double theta = theta_degrees * Math.PI / 180.0;
* Vec3f posreltar = Position.Val - Target.Val;
* Vec3f right = Forward.Val ^ NaturalUp.Val;
* float dist = (Target.Val - Position.Val).Length;
*
* Properties.DeferPropertyChanged = true;
* bIgnoreChanges = true;
* Position.Set( Target.Val + Vec3f.Normalize( VecExtensions.RotateVectorAroundAxis( posreltar, right, (float) theta ) ) * dist );
* Up.Set( VecExtensions.RotateVectorAroundAxis( Up.Val, right, (float) theta ) );
* bIgnoreChanges = false;
* Target.Set( Target.Val );
* Properties.DeferPropertyChanged = false;
* }*/
public void OrbitTargetUpDown(double theta_degrees, bool clampflips)
{
double theta = theta_degrees * Math.PI / 180.0;
Quatf newrot = qrot * Quatf.AxisAngleToQuatf(GetRight(), (float)theta);
if (clampflips)
{
// prevent camera from flipping over!
Vec3f newup = Vec3f.Normalize(newrot.Rotate(Vec3f.Y));
float dot = FMath.PI / 2.0f - Vec3f.AngleBetween(newup, NaturalUp.Val);
if (dot < 0)
{
Vec3f newforward = Vec3f.Normalize(newrot.Rotate(-Vec3f.Z));
Vec3f newright = newforward ^ newup;
float sign = -Math.Sign(newforward % NaturalUp.Val);
newrot = newrot * Quatf.RotAxisAngleToQuatf(newright, dot * sign);
}
}
Set(Target.Val, newrot, dist);
}
public void Reset()
{
Set(new Vec3f(), Quatf.AxisAngleToQuatf(Vec3f.Z, -45) * Quatf.AxisAngleToQuatf(Vec3f.Y, -45), 10, false);
}
