Package yearreview.app.animation

Class BezierCurve

java.lang.Object

yearreview.app.animation.BezierCurve

public class BezierCurve
extends Object

A Bezier-Curve used for calculation of smooth animations.

Author:

ColdStone37

Field Summary

Fields

Modifier and Type	Field	Description
private final Vector2D[]	controlPoints	Array of Control-Points of the curve.

Constructor Summary

Constructors

Constructor	Description
BezierCurve(List<Vector2D> controlPoints)	Constructs a new BezierCurve from a list of Control-Points.
BezierCurve(Vector2D... controlPoints)	Constructs a new BezierCurve from atleast two Control-Points.

Method Summary

Modifier and Type	Method	Description
Vector2D	getEnd()	Gets the last Control-Point of the Bezier.
Vector2D	getStart()	Gets the first Control-Point of the Bezier.
Vector2D	samplePoint(float val)	Samples the Bezier at a certain point along the curve.

Methods inherited from class java.lang.Object

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

Field Details

controlPoints

private final Vector2D[] controlPoints

Array of Control-Points of the curve.

Constructor Details

BezierCurve

public BezierCurve(Vector2D... controlPoints)

Constructs a new BezierCurve from atleast two Control-Points.

Parameters:

controlPoints - Control-Points of the Bezier

BezierCurve

public BezierCurve(List<Vector2D> controlPoints)

Constructs a new BezierCurve from a list of Control-Points.

Parameters:

controlPoints - Control-Points of the Bezier

Method Details

samplePoint

public Vector2D samplePoint(float val)

Samples the Bezier at a certain point along the curve.

Parameters:

val - how far along the curve

Returns:

sampled position

getStart

public Vector2D getStart()

Gets the first Control-Point of the Bezier.

Returns:

first Control-Point

getEnd

public Vector2D getEnd()

Gets the last Control-Point of the Bezier.

Returns:

last Control-Point