public JointPoint getOtherJointPoint(JointPoint joint)
{
if (joint.Equals(endPoints[0]))
{
return(endPoints[1]);
}
return(endPoints[0]);
}
/*
* Returns the direction (left or right) to that the current path is bent.
* -1 is left, 1 is right.
* */
private int getRedirectionDirection(JointPoint joint, Curve curve)
{
if (joint.Equals(data.jointPointA))
{
JointPoint endJoint = curve.getOtherJointPoint(joint);
if (endJoint.Equals(data.jointPointB))
{
return(-1);
}
if (endJoint.Equals(data.jointPointC))
{
return(1);
}
}
if (joint.Equals(data.jointPointB))
{
JointPoint endJoint = curve.getOtherJointPoint(joint);
if (endJoint.Equals(data.jointPointA))
{
return(1);
}
if (endJoint.Equals(data.jointPointC))
{
return(-1);
}
}
if (joint.Equals(data.jointPointC))
{
JointPoint endJoint = curve.getOtherJointPoint(joint);
if (endJoint.Equals(data.jointPointB))
{
return(1);
}
if (endJoint.Equals(data.jointPointA))
{
return(-1);
}
}
return(0);
}
/*
* Returns the sign for the angle (curve to the right 1 or left -1?)
* */
public int getSignOfCurve(JointPoint startJointPoint, JointPoint endJointPoint)
{
if (startJointPoint.Equals(jointPointA))
{
if (endJointPoint.Equals(jointPointB))
{
return(-1);
}
if (endJointPoint.Equals(jointPointC))
{
return(1);
}
}
if (startJointPoint.Equals(jointPointB))
{
if (endJointPoint.Equals(jointPointA))
{
return(1);
}
if (endJointPoint.Equals(jointPointC))
{
return(-1);
}
}
if (startJointPoint.Equals(jointPointC))
{
if (endJointPoint.Equals(jointPointB))
{
return(1);
}
if (endJointPoint.Equals(jointPointA))
{
return(-1);
}
}
return(-1);
}
/*
* Returns the index at that a curve/path is connected to a joint/intersection.
* 0 index is always the curve with large radius to the next joint (e.g. A to B, B to C).
* Then index is increasing clockwise.
* */
public int getPathIndex(JointPoint joint, Curve curve)
{
if (joint.Equals(jointPointA))
{
if (curve.Equals(curveABsmallRadius))
{
return(1);
}
if (curve.Equals(curveABlargeRadius))
{
return(0);
}
if (curve.Equals(curveACsmallRadius))
{
return(2);
}
if (curve.Equals(curveAClargeRadius))
{
return(3);
}
}
if (joint.Equals(jointPointB))
{
if (curve.Equals(curveABsmallRadius))
{
return(2);
}
if (curve.Equals(curveABlargeRadius))
{
return(3);
}
if (curve.Equals(curveBCsmallRadius))
{
return(1);
}
if (curve.Equals(curveBClargeRadius))
{
return(0);
}
}
if (joint.Equals(jointPointC))
{
if (curve.Equals(curveBCsmallRadius))
{
return(2);
}
if (curve.Equals(curveBClargeRadius))
{
return(3);
}
if (curve.Equals(curveACsmallRadius))
{
return(1);
}
if (curve.Equals(curveAClargeRadius))
{
return(0);
}
}
return(0);
}