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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.util.Interval;
/**
*
* @author hatkirby
*/
public class ShakingViewpoint implements Viewpoint {
int sx;
int length;
int x;
int y;
ShakeSpeed speed;
Interval in;
Runnable callback;
boolean back = false;
long start;
public ShakingViewpoint(int x, int y, ShakeSpeed speed, int length, Runnable callback)
{
this.sx = x;
this.length = length;
this.x = x;
this.y = y;
this.in = Interval.createMillisInterval(1000 / speed.getSpeed());
this.speed = speed;
this.callback = callback;
this.start = System.currentTimeMillis();
}
private void refresh()
{
if (back)
{
x -= speed.getSpeed();
if (x < sx - 16)
{
back = false;
}
} else {
x += speed.getSpeed();
if (x > sx + 16)
{
back = true;
}
}
if (start + length <= System.currentTimeMillis())
{
callback.run();
}
}
public int getX()
{
if (in.isElapsed())
{
refresh();
}
return x;
}
public int getY()
{
return y;
}
public static enum ShakeSpeed
{
Slow(16),
Medium(24),
Fast(32);
private int speed;
private ShakeSpeed(int speed)
{
this.speed = speed;
}
public int getSpeed()
{
return speed;
}
}
}
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