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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.fourisland.fourpuzzle.gamestate.mapview.viewpoint;
import com.fourisland.fourpuzzle.Game;
import com.fourisland.fourpuzzle.util.Interval;
/**
*
* @author hatkirby
*/
public class MovingViewpoint implements Viewpoint {
private double x;
private double y;
private int sx;
private int sy;
private int dx;
private int dy;
private double speed;
private int xdist;
private int ydist;
private Runnable callback;
private Interval in;
public MovingViewpoint(int sx, int sy, int dx, int dy, Runnable callback)
{
this(sx, sy, dx, dy, callback, 1000);
}
public MovingViewpoint(int sx, int sy, int dx, int dy, Runnable callback, int length)
{
this.x = sx;
this.y = sy;
this.sx = sx;
this.sy = sy;
this.dx = dx;
this.dy = dy;
this.speed = length / Game.FPS;
this.xdist = dx - sx;
this.ydist = dy - sy;
this.callback = callback;
this.in = Interval.createMillisInterval((int) speed);
}
private void refresh()
{
x += (xdist / speed);
y += (ydist / speed);
if (((sx < dx) && (x > dx)) || ((sx > dx) && (x < dx)))
{
x = dx;
}
if (((sy < dy) && (y > dy)) || ((sy > dy) && (y < dy)))
{
y = dy;
}
if ((x == dx) && (y == dy))
{
callback.run();
}
}
public int getX()
{
if (in.isElapsed())
{
refresh();
}
return (int) x;
}
public int getY()
{
if (in.isElapsed())
{
refresh();
}
return (int) y;
}
}
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