sk.upjs.jpaz2.animators

Class TurnAnimator

java.lang.Object

sk.upjs.jpaz2.animators.TurnAnimator

All Implemented Interfaces:

Animator, WeightedAnimator

Direct Known Subclasses:

TurtleTurnAnimator

public abstract class TurnAnimator
extends Object
implements WeightedAnimator

Base class for turn animators.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	TurnAnimator(double startDirection, double endDirection, boolean clockwise) Constructs turn animator.

Method Summary

Modifier and Type	Method and Description
protected double	computeDirection(double fraction) Computes direction that corresponds to given animation fraction.
double	getAngleChange() Returns change of angle in degrees during the turn animation.
long	getWeight() Returns weight of the animator.

Methods inherited from class java.lang.Object

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

Methods inherited from interface sk.upjs.jpaz2.Animator

animate

Constructor Detail

TurnAnimator

protected TurnAnimator(double startDirection,
                       double endDirection,
                       boolean clockwise)

Constructs turn animator.

Parameters:

startDirection - the initial direction in degrees when animation starts

endDirection - the final direction in degrees after animation

clockwise - the direction of rotation (turning).

Method Detail

getAngleChange

public double getAngleChange()

Returns change of angle in degrees during the turn animation.

Returns:

the change of angle in degrees.

getWeight

public long getWeight()

Description copied from interface: WeightedAnimator

Returns weight of the animator.

Specified by:

getWeight in interface WeightedAnimator

Returns:

the weight of animator. It must be a non-negative number.

computeDirection

protected double computeDirection(double fraction)

Computes direction that corresponds to given animation fraction.

Parameters:

fraction - the animation fraction.

Returns:

the corresponding angle in degrees.