scenic.path
Class CurvedSegment

java.lang.Object
  scenic.path.CurvedSegment

All Implemented Interfaces:

Segment

Direct Known Subclasses:

ArcSegment, CubicBezierSegment, QuadraticBezierSegment

public abstract class CurvedSegment
extends java.lang.Object
implements Segment

This is the base class for all curved segments.

Method Summary

abstract java.awt.geom.Point2D.Double	calcPoint(double t, java.awt.geom.Point2D.Double position) Calculates the position of the segment at the given t value.
void	walk(PathWalker walker, java.awt.geom.Point2D.Double position, java.awt.geom.AffineTransform error) Walks the given walker through this segment.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface scenic.path.Segment

getBounds

Method Detail

walk

public void walk(PathWalker walker,
                 java.awt.geom.Point2D.Double position,
                 java.awt.geom.AffineTransform error)

Description copied from interface: Segment

Walks the given walker through this segment.

Specified by:

walk in interface Segment

Parameters:

walker - the walker.

position - the start position.

error - the error matrix.

calcPoint

public abstract java.awt.geom.Point2D.Double calcPoint(double t,
                                                       java.awt.geom.Point2D.Double position)

Calculates the position of the segment at the given t value.

Parameters:

t - the t value (must be in the range [0, 1]).

position - the previous position.

Returns:

the position.