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Steer.java
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Steer.java
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package org.magnos.steer;
import org.magnos.steer.vec.Vec;
/**
* A {@link Steer} is considered a steering behavior or a steering force which
* gets applied to some {@link SteerSubject}.
*/
public interface Steer<V extends Vec<V>>
{
/**
* Infinite steering force.
*/
public static final float INFINITE = Float.MAX_VALUE;
/**
* No steering force.
*/
public static final float NONE = 0;
/**
* The default shared flag (steering behaviors can be shared by default).
*/
public static boolean DEFAULT_SHARED = true;
/**
* Gets the amount of force caused by this steering behavior.
*
* @param elapsed
* The elapsed time since the last call.
* @param subject
* The subject to get the steering force of.
* @return
* The reference to the force to apply.
*/
public float getForce( float elapsed, SteerSubject<V> subject, V out );
public void accumulateForces( float elapsed, SteerSubject<V> subject, Accumulator<V> accum );
/**
* Whether the steer can be/is shared by several subjects. If this is true
* then this steer won't be copied for each subject it affects. Some steering
* implementations cannot be shared, some can be.
*
* @return
* True if the steering behavior can be/is shared.
*/
public boolean isShared();
public float getMaximum();
public void setMaximum(float maximum);
public float getMinimum();
public void setMinimum(float minimum);
/**
* Returns a clone of this steering behavior. A behavior would be cloned
* if it can not be shared ({@link #isShared()} returns false).
*
* @return
* A newly instantiated Steer that is a clone of this.
*/
public Steer<V> clone();
}