followaffector.java

Sony Ericsson手机上的Facebook客户端全套代码

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) 
// Source File Name:   FollowAffector.java

package se.southend.drops.integeraffector;


// Referenced classes of package se.southend.drops.integeraffector:
//            Affector

public abstract class FollowAffector extends Affector
{

    public FollowAffector(int dimensions)
    {
        setTargetSpeed(64);
        setSourceSpeed(4);
        lastValues = new int[dimensions];
        values = new int[dimensions];
        way = new int[dimensions];
        tgt = new int[dimensions];
    }

    public final void setSourceSpeed(int speed)
    {
        speedSrc = speed;
    }

    public final void setTargetSpeed(int speed)
    {
        speedTgt = speed;
    }

    public final void setWorldPosition(int pos[])
    {
        for(int i = 0; i < pos.length; i++)
            tgt[i] = way[i] = values[i] = pos[i];

    }

    public final void setTargetPosition(int pos[])
    {
        for(int i = 0; i < pos.length; i++)
            tgt[i] = pos[i];

    }

    public final int[] getWorldPosition()
    {
        int result[] = new int[values.length];
        System.arraycopy(values, 0, result, 0, values.length);
        return result;
    }

    public final int[] getTargetPosition()
    {
        int result[] = new int[tgt.length];
        System.arraycopy(tgt, 0, result, 0, tgt.length);
        return result;
    }

    public void update(long time)
    {
        for(int i = 0; i < values.length; i++)
            lastValues[i] = values[i];

        for(int i = 0; i < way.length; i++)
            way[i] += (tgt[i] - way[i]) * speedTgt >> 6;

        for(int i = 0; i < values.length; i++)
            values[i] += (way[i] - values[i]) * speedSrc >> 6;

    }

    public static final int INSTANT = 64;
    private int way[];
    private int tgt[];
    private int speedSrc;
    private int speedTgt;
}