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fx.h
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/*
* fx.h
* kattMickisShooter
*
* Created by Erik Andersson on 2009-12-13.
* Copyright (c) 2010 Erik Andersson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef __FX__H__
#define __FX__H__
#include "SDL.h"
class Fx
{
private:
double _to, _from;
double _value;
double _duration;
Uint32 _start_time;
double(*_transition)(double);
bool _is_running;
public:
enum Mode {Single, Tween};
Mode _mode;
Fx(double(*trans)(double));
Fx(): _is_running(false) {};
void transition(double(*trans)(double)) { _transition = trans; };
void mode(Mode m) { _mode = m; };
void value(double from, double to) { _from = from; _to = to; };
void value(double value) { _value = value; };
void duration(double duration) { _duration = duration; };
bool isRunning() { return _is_running; };
void start();
void stop();
double step();
};
#endif