com.sk89q.worldedit.interpolation

Class ReparametrisingInterpolation

java.lang.Object

com.sk89q.worldedit.interpolation.ReparametrisingInterpolation

All Implemented Interfaces:

Interpolation

public class ReparametrisingInterpolation
extends Object
implements Interpolation

Reparametrises another interpolation function by arc length.
This is done so entities travel at roughly the same speed across the whole route.

Author:

TomyLobo

Constructor Summary

Constructors

Constructor and Description
ReparametrisingInterpolation(Interpolation baseInterpolation)

Method Summary

Methods

Modifier and Type	Method and Description
double	arcLength(double positionA, double positionB) Gets the result of ∫ab|f'(t)| dt. That means it calculates the arc length (in meters) between positionA and positionB.
Vector	get1stDerivative(double position) Gets the result of f'(position).
Interpolation	getBaseInterpolation()
Vector	getPosition(double position) Gets the result of f(position)
int	getSegment(double position)
void	setNodes(List<Node> nodes) Sets nodes to be used by subsequent calls to Interpolation.getPosition(double) and the other methods.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReparametrisingInterpolation

public ReparametrisingInterpolation(Interpolation baseInterpolation)

Method Detail

setNodes

public void setNodes(List<Node> nodes)

Description copied from interface: Interpolation

Sets nodes to be used by subsequent calls to Interpolation.getPosition(double) and the other methods.

Specified by:

setNodes in interface Interpolation

getBaseInterpolation

public Interpolation getBaseInterpolation()

getPosition

public Vector getPosition(double position)

Description copied from interface: Interpolation

Gets the result of f(position)

Specified by:

getPosition in interface Interpolation

Returns:

get1stDerivative

public Vector get1stDerivative(double position)

Description copied from interface: Interpolation

Gets the result of f'(position).

Specified by:

get1stDerivative in interface Interpolation

Returns:

arcLength

public double arcLength(double positionA,
               double positionB)

Description copied from interface: Interpolation

Gets the result of ∫_a^b|f'(t)| dt.
That means it calculates the arc length (in meters) between positionA and positionB.

Specified by:

arcLength in interface Interpolation

Parameters:

positionA - lower limit

positionB - upper limit

Returns:

getSegment

public int getSegment(double position)

Specified by:

getSegment in interface Interpolation