package org.newdawn.slick.util.pathfinding.navmesh;
/**
* A link between this space and another
*
* @author kevin
*/
public class Link {
/** The x coordinate of the joining point */
private float px;
/** The y coordinate of the joining point */
private float py;
/** The target space we'd be linking to */
private Space target;
/**
* Create a new link
*
* @param px The x coordinate of the linking point
* @param py The y coordinate of the linking point
* @param target The target space we're linking to
*/
public Link(float px, float py, Space target) {
this.px = px;
this.py = py;
this.target = target;
}
/**
* Get the distance squared from this link to the given position
*
* @param tx The x coordinate of the target location
* @param ty The y coordinate of the target location
* @return The distance squared from this link to the target
*/
public float distance2(float tx, float ty) {
float dx = tx - px;
float dy = ty - py;
return ((dx*dx) + (dy*dy));
}
/**
* Get the x coordinate of the link
*
* @return The x coordinate of the link
*/
public float getX() {
return px;
}
/**
* Get the y coordinate of the link
*
* @return The y coordinate of the link
*/
public float getY() {
return py;
}
/**
* Get the space this object links to
*
* @return The space this object links to
*/
public Space getTarget() {
return target;
}
}
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