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101 lines
2.6 KiB
C
101 lines
2.6 KiB
C
// SONIC ROBO BLAST 2
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//-----------------------------------------------------------------------------
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// Copyright (C) 2020-2023 by Jaime "Lactozilla" Passos.
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//
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// This program is free software distributed under the
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// terms of the GNU General Public License, version 2.
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// See the 'LICENSE' file for more details.
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//-----------------------------------------------------------------------------
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/// \file m_easing.h
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/// \brief Easing functions
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#ifndef __M_EASING_H__
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#define __M_EASING_H__
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#include "doomtype.h"
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#include "m_fixed.h"
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typedef enum
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{
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EASE_LINEAR = 0,
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EASE_INSINE,
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EASE_OUTSINE,
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EASE_INOUTSINE,
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EASE_INQUAD,
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EASE_OUTQUAD,
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EASE_INOUTQUAD,
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EASE_INCUBIC,
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EASE_OUTCUBIC,
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EASE_INOUTCUBIC,
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EASE_INQUART,
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EASE_OUTQUART,
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EASE_INOUTQUART,
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EASE_INQUINT,
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EASE_OUTQUINT,
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EASE_INOUTQUINT,
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EASE_INEXPO,
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EASE_OUTEXPO,
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EASE_INOUTEXPO,
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EASE_INBACK,
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EASE_OUTBACK,
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EASE_INOUTBACK,
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EASE_MAX,
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} easing_t;
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typedef fixed_t (*easingfunc_t)(fixed_t, fixed_t, fixed_t);
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extern easingfunc_t easing_funclist[EASE_MAX];
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extern const char *easing_funcnames[EASE_MAX];
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#define EASINGFUNCLIST(sep) \
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EASINGFUNC(Linear) sep /* Easing_Linear */ \
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\
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EASINGFUNC(InSine) sep /* Easing_InSine */ \
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EASINGFUNC(OutSine) sep /* Easing_OutSine */ \
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EASINGFUNC(InOutSine) sep /* Easing_InOutSine */ \
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\
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EASINGFUNC(InQuad) sep /* Easing_InQuad */ \
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EASINGFUNC(OutQuad) sep /* Easing_OutQuad */ \
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EASINGFUNC(InOutQuad) sep /* Easing_InOutQuad */ \
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\
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EASINGFUNC(InCubic) sep /* Easing_InCubic */ \
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EASINGFUNC(OutCubic) sep /* Easing_OutCubic */ \
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EASINGFUNC(InOutCubic) sep /* Easing_InOutCubic */ \
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\
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EASINGFUNC(InQuart) sep /* Easing_InQuart */ \
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EASINGFUNC(OutQuart) sep /* Easing_OutQuart */ \
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EASINGFUNC(InOutQuart) sep /* Easing_InOutQuart */ \
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\
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EASINGFUNC(InQuint) sep /* Easing_InQuint */ \
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EASINGFUNC(OutQuint) sep /* Easing_OutQuint */ \
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EASINGFUNC(InOutQuint) sep /* Easing_InOutQuint */ \
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\
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EASINGFUNC(InExpo) sep /* Easing_InExpo */ \
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EASINGFUNC(OutExpo) sep /* Easing_OutExpo */ \
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EASINGFUNC(InOutExpo) sep /* Easing_InOutExpo */ \
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\
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EASINGFUNC(InBack) sep /* Easing_InBack */ \
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EASINGFUNC(OutBack) sep /* Easing_OutBack */ \
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EASINGFUNC(InOutBack) sep /* Easing_InOutBack */
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#define EASINGFUNC(type) fixed_t Easing_ ## type (fixed_t t, fixed_t start, fixed_t end);
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EASINGFUNCLIST()
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#undef EASINGFUNC
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#define EASINGFUNC(type) fixed_t Easing_ ## type (fixed_t t, fixed_t start, fixed_t end, fixed_t param);
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EASINGFUNC(InBackParameterized) /* Easing_InBackParameterized */
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EASINGFUNC(OutBackParameterized) /* Easing_OutBackParameterized */
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EASINGFUNC(InOutBackParameterized) /* Easing_InOutBackParameterized */
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#undef EASINGFUNC
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#endif
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