+Show TOC
×Hide TOC

BasicMultiTweenFPS

Kind of class:	class
Inherits from:	AbstractMultiTween
Implements:	IBasicTween IFrameListener
Known subclasses:	MultiTweenFPS
Version:	1.0
Author:	Francis Bourre
Classpath:	com.bourre.transitions.BasicMultiTweenFPS
File last modified:	Wednesday, 31 October 2007, 07:35:30

► View source

▼ Hide source

/*
 * Copyright the original author or authors.
 * 
 * Licensed under the MOZILLA PUBLIC LICENSE, Version 1.1 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.mozilla.org/MPL/MPL-1.1.html
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
/**
 * @author Francis Bourre
 * @version 1.0
 */

import com.bourre.events.IEvent;
import com.bourre.log.PixlibStringifier;
import com.bourre.transitions.AbstractMultiTween;
import com.bourre.transitions.FPSBeacon;
import com.bourre.transitions.IBasicTween;
import com.bourre.transitions.IFrameListener;

class com.bourre.transitions.BasicMultiTweenFPS 
    extends AbstractMultiTween
    implements IBasicTween, IFrameListener
{
    private var _nCurrentFPS:Number;
    
    public function BasicMultiTweenFPS( t, 
                                        p, 
                                        e : Array, 
                                        n : Number, 
                                        s : Array, 
                                        f : Function )
    {
        super( t, p, e, n, s, f );
        _oBeacon = FPSBeacon.getInstance();
    }
    
    /**
     * Start tweening.
     * 
     * <p>{@link AbstractTween#execute} overridding.
     * 
     * <p>{@link com.bourre.commands.Command} polymorphism.
     */
    public function execute( e : IEvent ) : Void
    {
        _nCurrentFPS = 0;
        super.execute();
    }
    
    /**
     * Returns the string representation of this instance.
     * @return the string representation of this instance
     */
    public function toString() : String 
    {
        return PixlibStringifier.stringify( this );
    }
    
    //
    private function _isMotionFinished() : Boolean
    {
        return ++_nCurrentFPS >= _nRate;
    }

    private function _update( nS : Number, nE : Number ) : Number
    {
        return _fE( _nCurrentFPS, nS, nE - nS, _nRate );
    }
}