public virtual void renderAngle(Atom atomA, Atom atomB, Atom atomC, short colix, bool renderArcs)
{
/*
* if (! (atomA.isVisible() && atomB.isVisible() && atomC.isVisible()))
* return;
*/
if (displayModelIndex >= 0 && (displayModelIndex != atomA.modelIndex || displayModelIndex != atomB.modelIndex || displayModelIndex != atomC.modelIndex))
{
return;
}
//g3d.setColix(colix);
int zA = atomA.ScreenZ - atomA.ScreenD - 10;
int zB = atomB.ScreenZ - atomB.ScreenD - 10;
int zC = atomC.ScreenZ - atomC.ScreenD - 10;
int zOffset = (zA + zB + zC) / 3;
int radius = drawSegment(atomA.ScreenX, atomA.ScreenY, zA, atomB.ScreenX, atomB.ScreenY, zB, colix);
radius += drawSegment(atomB.ScreenX, atomB.ScreenY, zB, atomC.ScreenX, atomC.ScreenY, zC, colix);
radius = (radius + 1) / 2;
if (!renderArcs)
{
return;
}
// FIXME mth -- this really should be a function of pixelsPerAngstrom
// in addition, the location of the arc is not correct
// should probably be some percentage of the smaller distance
AxisAngle4f aa = measurement.aa;
if (aa == null)
{
// 180 degrees
paintMeasurementString(atomB.ScreenX + 5, atomB.ScreenY - 5, zB, radius, colix);
return;
}
int dotCount = (int)((aa.angle / (2 * System.Math.PI)) * 64);
float stepAngle = aa.angle / dotCount;
aaT.set_Renamed(aa);
int iMid = dotCount / 2;
for (int i = dotCount; --i >= 0;)
{
aaT.angle = i * stepAngle;
matrixT.set_Renamed(aaT);
pointT.set_Renamed(measurement.pointArc);
matrixT.transform(pointT);
pointT.add(atomB.point3f);
//Point3i screenArc = viewer.transformPoint(pointT);
//int zArc = screenArc.z - zOffset;
//if (zArc < 0)
// zArc = 0;
//g3d.drawPixel(screenArc.x, screenArc.y, zArc);
//if (i == iMid)
//{
// pointT.set_Renamed(measurement.pointArc);
// pointT.scale(1.1f);
// matrixT.transform(pointT);
// pointT.add(atomB.point3f);
// Point3i screenLabel = viewer.transformPoint(pointT);
// int zLabel = screenLabel.z - zOffset;
// paintMeasurementString(screenLabel.x, screenLabel.y, zLabel, radius, colix);
//}
}
}
public virtual void formatMeasurement()
{
for (int i = count; --i >= 0;)
{
if (countPlusIndices[i + 1] < 0)
{
strMeasurement = null;
return;
}
}
if (count < 2)
{
return;
}
switch (count)
{
case 2:
float distance = frame.getDistance(countPlusIndices[1], countPlusIndices[2]);
strMeasurement = formatDistance(distance);
break;
case 3:
float degrees = frame.getAngle(countPlusIndices[1], countPlusIndices[2], countPlusIndices[3]);
strMeasurement = formatAngle(degrees);
if (degrees == 180)
{
aa = null;
pointArc = null;
}
else
{
Point3f pointA = getAtomPoint3f(1);
Point3f pointB = getAtomPoint3f(2);
Point3f pointC = getAtomPoint3f(3);
Vector3f vectorBA = new Vector3f();
Vector3f vectorBC = new Vector3f();
vectorBA.sub(pointA, pointB);
vectorBC.sub(pointC, pointB);
float radians = vectorBA.angle(vectorBC);
Vector3f vectorAxis = new Vector3f();
vectorAxis.cross(vectorBA, vectorBC);
aa = new AxisAngle4f(vectorAxis.x, vectorAxis.y, vectorAxis.z, radians);
vectorBA.normalize();
vectorBA.scale(0.5f);
pointArc = new Point3f(vectorBA);
}
break;
case 4:
float torsion = frame.getTorsion(countPlusIndices[1], countPlusIndices[2], countPlusIndices[3], countPlusIndices[4]);
strMeasurement = formatAngle(torsion);
break;
default:
System.Console.Out.WriteLine("Invalid count to measurement shape:" + count);
throw new System.IndexOutOfRangeException();
}
}
