private double distanceTo(Actor opponent) {
double actorToMoveX = opponent.getAvatar().getTranslateX();
double actorToMoveY = opponent.getAvatar().getTranslateY();
double currentX = getAvatar().getTranslateX();
double currentY = getAvatar().getTranslateY();
double deltaX = actorToMoveX - currentX;
double deltaY = actorToMoveY - currentY;
double calculatedDistance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
return calculatedDistance;
}
/**
* Defines the characteristics of a <i>TranslateTransition</i>. Each call results in ONE segment
* of motion. When that segment is finished, it "chains" another call to <i>startMotion()</i>
* (which is NOT recursion)! The initial call is made by the managing <i>Army</i> object;
* subsequent calls are made through the "chaining" process described here.
*
* @param engageInCombat TODO
*/
public void startMotion(boolean engageInCombat) {
Army opposingArmy = armyAllegiance.getOpposingArmy();
Actor opponent =
opposingArmy.findNearestOpponent(
this); // could legitimately return a null: 1) no one is visible 2) no Actors in
// opposing army
Point2D newLocation;
if (opponent != null) {
System.out.printf(
"ToMove:[%.1f:%.1f] Opponent:[%.1f:%.1f]\n",
getAvatar().getTranslateX(),
getAvatar().getTranslateY(),
opponent.getAvatar().getTranslateX(),
opponent.getAvatar().getTranslateX());
double DISTANCE_FOR_BATTLE = 50.0;
if (engageInCombat && distanceTo(opponent) < DISTANCE_FOR_BATTLE) {
double h1, h2, h3, h4; // debug code
h1 = this.getHealth();
h2 = opponent.getHealth();
combatRound(opponent);
h3 = this.getHealth();
h4 = opponent.getHealth();
h4 = h4;
if (this.getHealth() <= 0.0) {
armyAllegiance.removeNowDeadActor(this);
}
if (opponent.getHealth() <= 0.0) {
opponent.armyAllegiance.removeNowDeadActor(opponent);
}
} // end if (combat)
newLocation = findNewLocation(opponent);
} else // end if (test for null opponent)
newLocation = meander(); // null opponent means we wander around close to our current location
if (tt.getStatus()
!= Animation.Status.RUNNING) { // if NOT yet RUNNING, start . . . otherwise, do nothing.
// tt.setToX(Math.random()*getAvatar().getScene().getWidth());
// tt.setToY(Math.random()*getAvatar().getScene().getHeight());
tt.setToX(validateCoordinate(newLocation).getX());
tt.setToY(validateCoordinate(newLocation).getY());
tt.setDuration(
Duration.seconds(MAX_SPEED / (getSpeed() * (armyAllegiance.getSpeedControllerValue()))));
tt.setOnFinished(event -> startMotion(true)); // NOT RECURSION!!!!
tt
.play(); // give assembled object to the render engine (of course, play() is an
// object-oriented method which has access to "this" inside, and it can use
// "this" to give to the render engine.
}
} // end startMotion()