PIbd-21_Zhirnova_A_E_Double.../DoubleDeckerBus/MovementStrategy/MoveToCenter.java

50 lines
1.6 KiB
Java

package DoubleDeckerBus.MovementStrategy;
public class MoveToCenter extends AbstractStrategy{
@Override
protected boolean IsTargetDestination() {
var objParams = GetObjectParameters();
if (objParams == null) {
return false;
}
return ((objParams.ObjectMiddleHorizontal <= FieldWidth() / 2 &&
objParams.ObjectMiddleHorizontal + GetStep() >= FieldWidth() / 2)
||(objParams.ObjectMiddleHorizontal >= FieldWidth() / 2 &&
objParams.ObjectMiddleHorizontal - GetStep() <= FieldWidth() / 2)) &&
((objParams.ObjectMiddleVertical <= FieldHeight() / 2 &&
objParams.ObjectMiddleVertical + GetStep() >= FieldHeight() / 2) ||
(objParams.ObjectMiddleVertical >= FieldHeight() / 2 &&
objParams.ObjectMiddleVertical - GetStep() <= FieldHeight() / 2));
}
@Override
protected void MoveToTarget() {
var objParams = GetObjectParameters();
if (objParams == null) {
return;
}
var diffX = objParams.ObjectMiddleHorizontal - FieldWidth() / 2;
if (Math.abs(diffX) > GetStep()) {
if (diffX > 0) {
MoveLeft();
}
else {
MoveRight();
}
}
var diffY = objParams.ObjectMiddleVertical - FieldHeight() / 2;
if (Math.abs(diffY) > GetStep()) {
if (diffY > 0) {
MoveUp();
}
else {
MoveDown();
}
}
}
}