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63 lines
1.7 KiB
63 lines
1.7 KiB
1 year ago
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/*
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SoLoud audio engine
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Copyright (c) 2013-2014 Jari Komppa
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*/
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#ifndef SOLOUD_FADER_H
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#define SOLOUD_FADER_H
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#include "soloud.h"
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namespace SoLoud
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{
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// Helper class to process faders
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class Fader
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{
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public:
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// Value to fade from
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float mFrom;
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// Value to fade to
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float mTo;
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// Delta between from and to
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float mDelta;
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// Total time to fade
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time mTime;
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// Time fading started
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time mStartTime;
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// Time fading will end
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time mEndTime;
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// Current value. Used in case time rolls over.
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float mCurrent;
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// Active flag; 0 means disabled, 1 is active, 2 is LFO, -1 means was active, but stopped
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int mActive;
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// Ctor
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Fader();
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// Set up LFO
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void setLFO(float aFrom, float aTo, time aTime, time aStartTime);
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// Set up fader
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void set(float aFrom, float aTo, time aTime, time aStartTime);
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// Get the current fading value
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float get(time aCurrentTime);
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};
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};
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#endif
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