com.badlogic.gdx.math

Interface Path<T>

All Known Implementing Classes:

Bezier, BSpline, CatmullRomSpline

public interface Path<T>

Interface that specifies a path of type T within the window 0.0<=t<=1.0.

Author:

Xoppa

Method Summary

Modifier and Type	Method and Description
float	approximate(T v)
float	approxLength(int samples)
T	derivativeAt(T out, float t)
float	locate(T v)
T	valueAt(T out, float t)

Method Detail

derivativeAt

T derivativeAt(T out,
               float t)

valueAt

T valueAt(T out,
          float t)

Returns:

The value of the path at t where 0<=t<=1

approximate

float approximate(T v)

Returns:

The approximated value (between 0 and 1) on the path which is closest to the specified value. Note that the implementation of this method might be optimized for speed against precision, see locate(Object) for a more precise (but more intensive) method.

locate

float locate(T v)

Returns:

The precise location (between 0 and 1) on the path which is closest to the specified value. Note that the implementation of this method might be CPU intensive, see approximate(Object) for a faster (but less precise) method.

approxLength

float approxLength(int samples)

Parameters:

samples - The amount of divisions used to approximate length. Higher values will produce more precise results, but will be more CPU intensive.

Returns:

An approximated length of the spline through sampling the curve and accumulating the euclidean distances between the sample points.