26 lines
777 B
C
26 lines
777 B
C
/**
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* Copyright (c) 2021 Dominic Masters
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*
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* This software is released under the MIT License.
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* https://opensource.org/licenses/MIT
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*/
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#pragma once
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#include "../libs.h"
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/**
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* Returns the ease time for a given real time duration span.
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* @param start At what point in time the animation started
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* @param current The current point in time the animation is at.
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* @param duration The total duration on the animation.
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* @returns The easing time (0-1 time) that the animation is at.
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*/
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#define easeTimeToEase(start, current, duration) ((current-start)/duration)
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#define easeLinear(t) t
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#define easeInQuad(t) t*t
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#define easeOutQuad(t) t*(2-t)
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#define easeInOutQuad(t) (t < .5 ? 2*t*t : -1+(4-2*t)*t)
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#define easeInCubic(t) t*t*t
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#define easeOutCubic(t) t*(t-1)*(t-1)+1 |