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author | LucaSas <sas.luca.alex@gmail.com> | 2021-11-04 16:14:58 +0200 |
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committer | LucaSas <sas.luca.alex@gmail.com> | 2021-11-04 16:14:58 +0200 |
commit | d96b4ebce5ee6245fa80d27d41b67aa56555c912 (patch) | |
tree | f28cb388a14c4bd9da8f4b57b213eb1539fc5367 /libs/raylib/src/easings.h | |
parent | 6bcb1207addb4afe041c94e68e23c77175164956 (diff) | |
download | gamejam-slgj-2024-d96b4ebce5ee6245fa80d27d41b67aa56555c912.tar.gz gamejam-slgj-2024-d96b4ebce5ee6245fa80d27d41b67aa56555c912.tar.bz2 gamejam-slgj-2024-d96b4ebce5ee6245fa80d27d41b67aa56555c912.zip |
Changed the template to now download raylib instead of having it in the repo.
Diffstat (limited to 'libs/raylib/src/easings.h')
-rw-r--r-- | libs/raylib/src/easings.h | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/libs/raylib/src/easings.h b/libs/raylib/src/easings.h deleted file mode 100644 index f6c384b..0000000 --- a/libs/raylib/src/easings.h +++ /dev/null @@ -1,263 +0,0 @@ -/******************************************************************************************* -* -* raylib easings (header only file) -* -* Useful easing functions for values animation -* -* This header uses: -* #define EASINGS_STATIC_INLINE // Inlines all functions code, so it runs faster. -* // This requires lots of memory on system. -* How to use: -* The four inputs t,b,c,d are defined as follows: -* t = current time (in any unit measure, but same unit as duration) -* b = starting value to interpolate -* c = the total change in value of b that needs to occur -* d = total time it should take to complete (duration) -* -* Example: -* -* int currentTime = 0; -* int duration = 100; -* float startPositionX = 0.0f; -* float finalPositionX = 30.0f; -* float currentPositionX = startPositionX; -* -* while (currentPositionX < finalPositionX) -* { -* currentPositionX = EaseSineIn(currentTime, startPositionX, finalPositionX - startPositionX, duration); -* currentTime++; -* } -* -* A port of Robert Penner's easing equations to C (http://robertpenner.com/easing/) -* -* Robert Penner License -* --------------------------------------------------------------------------------- -* Open source under the BSD License. -* -* Copyright (c) 2001 Robert Penner. All rights reserved. -* -* Redistribution and use in source and binary forms, with or without modification, -* are permitted provided that the following conditions are met: -* -* - Redistributions of source code must retain the above copyright notice, -* this list of conditions and the following disclaimer. -* - Redistributions in binary form must reproduce the above copyright notice, -* this list of conditions and the following disclaimer in the documentation -* and/or other materials provided with the distribution. -* - Neither the name of the author nor the names of contributors may be used -* to endorse or promote products derived from this software without specific -* prior written permission. -* -* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -* IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, -* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF -* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE -* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED -* OF THE POSSIBILITY OF SUCH DAMAGE. -* --------------------------------------------------------------------------------- -* -* Copyright (c) 2015 Ramon Santamaria -* -* This software is provided "as-is", without any express or implied warranty. In no event -* will the authors be held liable for any damages arising from the use of this software. -* -* Permission is granted to anyone to use this software for any purpose, including commercial -* applications, and to alter it and redistribute it freely, subject to the following restrictions: -* -* 1. The origin of this software must not be misrepresented; you must not claim that you -* wrote the original software. If you use this software in a product, an acknowledgment -* in the product documentation would be appreciated but is not required. -* -* 2. Altered source versions must be plainly marked as such, and must not be misrepresented -* as being the original software. -* -* 3. This notice may not be removed or altered from any source distribution. -* -**********************************************************************************************/ - -#ifndef EASINGS_H -#define EASINGS_H - -#define EASINGS_STATIC_INLINE // NOTE: By default, compile functions as static inline - -#if defined(EASINGS_STATIC_INLINE) - #define EASEDEF static inline -#else - #define EASEDEF extern -#endif - -#include <math.h> // Required for: sinf(), cosf(), sqrt(), pow() - -#ifndef PI - #define PI 3.14159265358979323846f //Required as PI is not always defined in math.h -#endif - -#ifdef __cplusplus -extern "C" { // Prevents name mangling of functions -#endif - -// Linear Easing functions -EASEDEF float EaseLinearNone(float t, float b, float c, float d) { return (c*t/d + b); } -EASEDEF float EaseLinearIn(float t, float b, float c, float d) { return (c*t/d + b); } -EASEDEF float EaseLinearOut(float t, float b, float c, float d) { return (c*t/d + b); } -EASEDEF float EaseLinearInOut(float t,float b, float c, float d) { return (c*t/d + b); } - -// Sine Easing functions -EASEDEF float EaseSineIn(float t, float b, float c, float d) { return (-c*cosf(t/d*(PI/2.0f)) + c + b); } -EASEDEF float EaseSineOut(float t, float b, float c, float d) { return (c*sinf(t/d*(PI/2.0f)) + b); } -EASEDEF float EaseSineInOut(float t, float b, float c, float d) { return (-c/2.0f*(cosf(PI*t/d) - 1.0f) + b); } - -// Circular Easing functions -EASEDEF float EaseCircIn(float t, float b, float c, float d) { t /= d; return (-c*(sqrt(1.0f - t*t) - 1.0f) + b); } -EASEDEF float EaseCircOut(float t, float b, float c, float d) { t = t/d - 1.0f; return (c*sqrt(1.0f - t*t) + b); } -EASEDEF float EaseCircInOut(float t, float b, float c, float d) -{ - if ((t/=d/2.0f) < 1.0f) return (-c/2.0f*(sqrt(1.0f - t*t) - 1.0f) + b); - t -= 2.0f; return (c/2.0f*(sqrt(1.0f - t*t) + 1.0f) + b); -} - -// Cubic Easing functions -EASEDEF float EaseCubicIn(float t, float b, float c, float d) { t /= d; return (c*t*t*t + b); } -EASEDEF float EaseCubicOut(float t, float b, float c, float d) { t = t/d - 1.0f; return (c*(t*t*t + 1.0f) + b); } -EASEDEF float EaseCubicInOut(float t, float b, float c, float d) -{ - if ((t/=d/2.0f) < 1.0f) return (c/2.0f*t*t*t + b); - t -= 2.0f; return (c/2.0f*(t*t*t + 2.0f) + b); -} - -// Quadratic Easing functions -EASEDEF float EaseQuadIn(float t, float b, float c, float d) { t /= d; return (c*t*t + b); } -EASEDEF float EaseQuadOut(float t, float b, float c, float d) { t /= d; return (-c*t*(t - 2.0f) + b); } -EASEDEF float EaseQuadInOut(float t, float b, float c, float d) -{ - if ((t/=d/2) < 1) return (((c/2)*(t*t)) + b); - return (-c/2.0f*(((t - 1.0f)*(t - 3.0f)) - 1.0f) + b); -} - -// Exponential Easing functions -EASEDEF float EaseExpoIn(float t, float b, float c, float d) { return (t == 0.0f) ? b : (c*pow(2.0f, 10.0f*(t/d - 1.0f)) + b); } -EASEDEF float EaseExpoOut(float t, float b, float c, float d) { return (t == d) ? (b + c) : (c*(-pow(2.0f, -10.0f*t/d) + 1.0f) + b); } -EASEDEF float EaseExpoInOut(float t, float b, float c, float d) -{ - if (t == 0.0f) return b; - if (t == d) return (b + c); - if ((t/=d/2.0f) < 1.0f) return (c/2.0f*pow(2.0f, 10.0f*(t - 1.0f)) + b); - - return (c/2.0f*(-pow(2.0f, -10.0f*(t - 1.0f)) + 2.0f) + b); -} - -// Back Easing functions -EASEDEF float EaseBackIn(float t, float b, float c, float d) -{ - float s = 1.70158f; - float postFix = t/=d; - return (c*(postFix)*t*((s + 1.0f)*t - s) + b); -} - -EASEDEF float EaseBackOut(float t, float b, float c, float d) -{ - float s = 1.70158f; - t = t/d - 1.0f; - return (c*(t*t*((s + 1.0f)*t + s) + 1.0f) + b); -} - -EASEDEF float EaseBackInOut(float t, float b, float c, float d) -{ - float s = 1.70158f; - if ((t/=d/2.0f) < 1.0f) - { - s *= 1.525f; - return (c/2.0f*(t*t*((s + 1.0f)*t - s)) + b); - } - - float postFix = t-=2.0f; - s *= 1.525f; - return (c/2.0f*((postFix)*t*((s + 1.0f)*t + s) + 2.0f) + b); -} - -// Bounce Easing functions -EASEDEF float EaseBounceOut(float t, float b, float c, float d) -{ - if ((t/=d) < (1.0f/2.75f)) - { - return (c*(7.5625f*t*t) + b); - } - else if (t < (2.0f/2.75f)) - { - float postFix = t-=(1.5f/2.75f); - return (c*(7.5625f*(postFix)*t + 0.75f) + b); - } - else if (t < (2.5/2.75)) - { - float postFix = t-=(2.25f/2.75f); - return (c*(7.5625f*(postFix)*t + 0.9375f) + b); - } - else - { - float postFix = t-=(2.625f/2.75f); - return (c*(7.5625f*(postFix)*t + 0.984375f) + b); - } -} - -EASEDEF float EaseBounceIn(float t, float b, float c, float d) { return (c - EaseBounceOut(d - t, 0.0f, c, d) + b); } -EASEDEF float EaseBounceInOut(float t, float b, float c, float d) -{ - if (t < d/2.0f) return (EaseBounceIn(t*2.0f, 0.0f, c, d)*0.5f + b); - else return (EaseBounceOut(t*2.0f - d, 0.0f, c, d)*0.5f + c*0.5f + b); -} - -// Elastic Easing functions -EASEDEF float EaseElasticIn(float t, float b, float c, float d) -{ - if (t == 0.0f) return b; - if ((t/=d) == 1.0f) return (b + c); - - float p = d*0.3f; - float a = c; - float s = p/4.0f; - float postFix = a*pow(2.0f, 10.0f*(t-=1.0f)); - - return (-(postFix*sinf((t*d-s)*(2.0f*PI)/p )) + b); -} - -EASEDEF float EaseElasticOut(float t, float b, float c, float d) -{ - if (t == 0.0f) return b; - if ((t/=d) == 1.0f) return (b + c); - - float p = d*0.3f; - float a = c; - float s = p/4.0f; - - return (a*pow(2.0f,-10.0f*t)*sinf((t*d-s)*(2.0f*PI)/p) + c + b); -} - -EASEDEF float EaseElasticInOut(float t, float b, float c, float d) -{ - if (t == 0.0f) return b; - if ((t/=d/2.0f) == 2.0f) return (b + c); - - float p = d*(0.3f*1.5f); - float a = c; - float s = p/4.0f; - - if (t < 1.0f) - { - float postFix = a*pow(2.0f, 10.0f*(t-=1.0f)); - return -0.5f*(postFix*sinf((t*d-s)*(2.0f*PI)/p)) + b; - } - - float postFix = a*pow(2.0f, -10.0f*(t-=1.0f)); - - return (postFix*sinf((t*d-s)*(2.0f*PI)/p)*0.5f + c + b); -} - -#ifdef __cplusplus -} -#endif - -#endif // EASINGS_H |