public void moveInDirection(CGPoint direction, double timeInterval) {
CGPoint curPosition = getPosition();
double dx = movementSpeed * direction.getX();
double dy = movementSpeed * direction.getY();
double dt = movementSpeed * timeInterval;
CGPoint targetPosition = new CGPoint(curPosition.getX() + dx, curPosition.getY() + dy);
double ang =
APAUtils.polarAdjust(APAUtils.getRadiansBetweenPoints(targetPosition, curPosition));
setZRotation(ang);
double distRemaining = Math.hypot(dx, dy);
if (distRemaining < dt) {
setPosition(targetPosition);
} else {
setPosition(
new CGPoint(
curPosition.getX() - Math.sin(ang) * dt, curPosition.getY() + Math.cos(ang) * dt));
}
// Don't change to a walk animation if we planning an attack.
if (!attacking) {
requestedAnimation = APAAnimationState.Walk;
}
}
public void moveTowards(CGPoint position, double timeInterval) {
CGPoint curPosition = getPosition();
double dx = position.getX() - curPosition.getX();
double dy = position.getY() - curPosition.getY();
double dt = movementSpeed * timeInterval;
double ang = APAUtils.polarAdjust(APAUtils.getRadiansBetweenPoints(position, curPosition));
setZRotation(ang);
double distRemaining = Math.hypot(dx, dy);
if (distRemaining < dt) {
setPosition(position);
} else {
setPosition(
new CGPoint(
curPosition.getX() - Math.sin(ang) * dt, curPosition.getY() + Math.cos(ang) * dt));
}
requestedAnimation = APAAnimationState.Walk;
}