30 lines
764 B
Java
30 lines
764 B
Java
package bwapi;
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/**
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* Common ancestor for location based objects to simplify distance computation.
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* This will be refactored into interface with default methods when java 8 becomes widely used.
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*
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* Idea by Rafa³ Poniatowski
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*/
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public abstract class AbstractPoint<T extends AbstractPoint> {
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public abstract T getPoint();
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public int getX(){
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return getPoint().getX();
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}
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public int getY(){
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return getPoint().getY();
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}
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public double getDistance(AbstractPoint<T> otherPosition) {
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return getDistance(otherPosition.getX(), otherPosition.getY());
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}
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public double getDistance(int x, int y) {
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double dx = x - getX();
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double dy = y - getY();
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return Math.sqrt(dx * dx + dy * dy);
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}
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} |