89 lines
1.8 KiB
Java
89 lines
1.8 KiB
Java
package bwta;
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import bwta.*;
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import java.util.Map;
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import java.util.HashMap;
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import java.util.Collection;
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import java.util.List;
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import bwapi.Position;
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import bwapi.TilePosition;
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import bwapi.Player;
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/**
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A Polygon is a geometric representation of <a href="Region.html">Region</a>
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*/
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public class Polygon {
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/**
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Returns the area of the polygon.
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*/
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public double getArea() {
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return getArea_native(pointer);
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}
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/**
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Returns the perimeter of the polygon.
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*/
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public double getPerimeter() {
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return getPerimeter_native(pointer);
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}
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/**
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Returns the centroid of the polygon.
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*/
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public Position getCenter() {
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return getCenter_native(pointer);
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}
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/**
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Returns true if the given point is inside the polygon.
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*/
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public boolean isInside(Position p) {
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return isInside_native(pointer, p);
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}
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/**
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Returns the point on the boundary of the polygon that is nearest to the given point.
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*/
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public Position getNearestPoint(Position p) {
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return getNearestPoint_native(pointer, p);
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}
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private static Map<Long, Polygon> instances = new HashMap<Long, Polygon>();
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private Polygon(long pointer) {
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this.pointer = pointer;
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}
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private static Polygon get(long pointer) {
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Polygon instance = instances.get(pointer);
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if (instance == null ) {
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instance = new Polygon(pointer);
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instances.put(pointer, instance);
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}
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return instance;
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}
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private long pointer;
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private native double getArea_native(long pointer);
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private native double getPerimeter_native(long pointer);
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private native Position getCenter_native(long pointer);
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private native boolean isInside_native(long pointer, Position p);
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private native Position getNearestPoint_native(long pointer, Position p);
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}
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