com.badlogic.gdx.ai.utils.Location Java Examples

@Override
public Location<T> calculateSlotLocation (Location<T> outLocation, int slotNumber) {
	if (numberOfSlots > 1) {
		// Place the slot around the circle based on its slot number
		float angleAroundCircle = (MathUtils.PI2 * slotNumber) / numberOfSlots;

		// The radius depends on the radius of the member,
		// and the number of members in the circle:
		// we want there to be no gap between member's shoulders.
		float radius = memberRadius / (float)Math.sin(Math.PI / numberOfSlots);

		// Fill location components based on the angle around circle.
		outLocation.angleToVector(outLocation.getPosition(), angleAroundCircle).scl(radius);

		// The members should be facing out
		outLocation.setOrientation(angleAroundCircle);
	}
	else {
		outLocation.getPosition().setZero();
		outLocation.setOrientation(MathUtils.PI2 * slotNumber);
	}

	// Return the slot location
	return outLocation;
}
 

/** Creates a {@code Formation} for the specified {@code pattern}, {@code slotAssignmentStrategy} and {@code moderator}.
 * @param anchor the anchor point of this formation, usually a {@link Steerable}. Cannot be {@code null}.
 * @param pattern the pattern of this formation
 * @param slotAssignmentStrategy the strategy used to assign a member to his slot
 * @param motionModerator the motion moderator. Can be {@code null} if moderation is not needed
 * @throws IllegalArgumentException if the anchor point is {@code null} */
public Formation (Location<T> anchor, FormationPattern<T> pattern, SlotAssignmentStrategy<T> slotAssignmentStrategy,
	FormationMotionModerator<T> motionModerator) {
	if (anchor == null) throw new IllegalArgumentException("The anchor point cannot be null");
	this.anchor = anchor;
	this.pattern = pattern;
	this.slotAssignmentStrategy = slotAssignmentStrategy;
	this.motionModerator = motionModerator;

	this.slotAssignments = new Array<SlotAssignment<T>>();
	this.driftOffset = anchor.newLocation();
	this.positionOffset = anchor.getPosition().cpy();
}
 

/** Creates a {@code Hide} behavior for the specified owner, target and proximity.
 * @param owner the owner of this behavior
 * @param target the target of this behavior
 * @param proximity the proximity to find nearby obstacles */
public Hide (Steerable<T> owner, Location<T> target, Proximity<T> proximity) {
	super(owner, target);
	this.proximity = proximity;

	this.bestHidingSpot = newVector(owner);
	this.toObstacle = null; // Set to null since we'll reuse steering.linear for this vector
}
 

/** Calculates the drift offset when members are in the given set of slots for the specified pattern.
 * @param centerOfMass the output location set to the calculated drift offset
 * @param slotAssignments the set of slots
 * @param pattern the pattern
 * @return the given location for chaining. */
public Location<T> calculateDriftOffset (Location<T> centerOfMass, Array<SlotAssignment<T>> slotAssignments,
	FormationPattern<T> pattern) {

	// Clear the center of mass
	centerOfMass.getPosition().setZero();
	float centerOfMassOrientation = 0;

	// Make sure tempLocation is instantiated
	if (tempLocation == null) tempLocation = centerOfMass.newLocation();

	T centerOfMassPos = centerOfMass.getPosition();
	T tempLocationPos = tempLocation.getPosition();

	// Go through each assignment and add its contribution to the center
	float numberOfAssignments = slotAssignments.size;
	for (int i = 0; i < numberOfAssignments; i++) {
		pattern.calculateSlotLocation(tempLocation, slotAssignments.get(i).slotNumber);
		centerOfMassPos.add(tempLocationPos);
		centerOfMassOrientation += tempLocation.getOrientation();
	}

	// Divide through to get the drift offset.
	centerOfMassPos.scl(1f / numberOfAssignments);
	centerOfMassOrientation /= numberOfAssignments;
	centerOfMass.setOrientation(centerOfMassOrientation);

	return centerOfMass;
}
 

/** Creates a {@code Face} behavior for the specified owner and target.
 * @param owner the owner of this behavior
 * @param target the target of this behavior. */
public Face (Steerable<T> owner, Location<T> target) {
	super(owner, target);
}
 

/** Creates a {@code Flee} behavior for the specified owner and target.
 * @param owner the owner of this behavior
 * @param target the target agent of this behavior. */
public Flee (Steerable<T> owner, Location<T> target) {
	super(owner, target);
}
 

@Override
public Flee<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Creates a {@code Seek} behavior for the specified owner and target.
 * @param owner the owner of this behavior
 * @param target the target agent of this behavior. */
public Seek (Steerable<T> owner, Location<T> target) {
	super(owner);
	this.target = target;
}
 

/** Returns the target to seek. */
public Location<T> getTarget () {
	return target;
}
 

/** Sets the target to seek.
 * @return this behavior for chaining. */
public Seek<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Creates an {@code Arrive} behavior for the specified owner and target.
 * @param owner the owner of this behavior
 * @param target the target of this behavior */
public Arrive (Steerable<T> owner, Location<T> target) {
	super(owner);
	this.target = target;
}
 

/** Returns the target to arrive to. */
public Location<T> getTarget () {
	return target;
}
 

/** Sets the target to arrive to.
 * @return this behavior for chaining. */
public Arrive<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Returns the target location of this formation member. */
public Location<T> getTargetLocation ();
 

@Override
public Face<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

@Override
public FollowPath<T, P> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Sets the target to align to. Notice that this method is inherited from {@link ReachOrientation}, but is completely useless
 * for {@code LookWhereYouAreGoing} because the target orientation is determined by the velocity of the owner itself.
 * @return this behavior for chaining. */
@Override
public LookWhereYouAreGoing<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Creates a {@code Hide} behavior for the specified owner and target.
 * @param owner the owner of this behavior
 * @param target the target of this behavior */
public Hide (Steerable<T> owner, Location<T> target) {
	this(owner, target, null);
}
 

@Override
public Hide<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Creates a {@code ReachOrientation} behavior for the specified owner and target.
 * @param owner the owner of this behavior
 * @param target the target. */
public ReachOrientation (Steerable<T> owner, Location<T> target) {
	super(owner);
	this.target = target;
}
 

/** Returns the target to align to. */
public Location<T> getTarget () {
	return target;
}
 

/** Sets the target to align to.
 * @return this behavior for chaining. */
public ReachOrientation<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

/** Sets the target to align to. Notice that this method is inherited from {@link ReachOrientation}, but is completely useless
 * for {@code Wander} because owner's orientation is determined by the internal target, which is moving on the wander circle.
 * @return this behavior for chaining. */
@Override
public Wander<T> setTarget (Location<T> target) {
	this.target = target;
	return this;
}
 

@Override
public Location<T> newLocation () {
	return null;
}
 

@Override
public Location<Vector3> newLocation () {
	return new BulletLocation();
}
 

@Override
public Location<Vector2> newLocation() {
    return new Box2dLocation();
}
 

@Override
public Location<Vector2> newLocation() {
    return new Box2dLocation();
}
 

@Override
public Location<Vector3> newLocation() {
	return new BulletLocation();
}
 

@Override
public Location<Vector3> newLocation() {
	return new BulletLocation();
}
 

@Override
public Location<Vector2> newLocation () {
	return new Box2dLocation();
}